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MapDServer.cpp
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MapDServer.cpp
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/*
* Copyright 2018 OmniSci, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "MapDServer.h"
#include "DataMgr/ForeignStorage/ForeignStorageInterface.h"
#include "ThriftHandler/DBHandler.h"
#ifdef HAVE_THRIFT_THREADFACTORY
#include <thrift/concurrency/ThreadFactory.h>
#else
#include <thrift/concurrency/PlatformThreadFactory.h>
#endif
#include <thrift/concurrency/ThreadManager.h>
#include <thrift/protocol/TBinaryProtocol.h>
#include <thrift/protocol/TJSONProtocol.h>
#include <thrift/server/TThreadedServer.h>
#include <thrift/transport/TBufferTransports.h>
#include <thrift/transport/THttpServer.h>
#include <thrift/transport/TSSLServerSocket.h>
#include <thrift/transport/TSSLSocket.h>
#include <thrift/transport/TServerSocket.h>
#include "MapDRelease.h"
#include "Archive/S3Archive.h"
#include "Shared/Logger.h"
#include "Shared/SystemParameters.h"
#include "Shared/file_delete.h"
#include "Shared/mapd_shared_mutex.h"
#include "Shared/mapd_shared_ptr.h"
#include "Shared/scope.h"
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string/trim.hpp>
#include <boost/filesystem.hpp>
#include <boost/locale/generator.hpp>
#include <boost/make_shared.hpp>
#include <boost/program_options.hpp>
#include <csignal>
#include <sstream>
#include <thread>
#include <vector>
#include "MapDRelease.h"
#include "Shared/Asio.h"
#include "Shared/Compressor.h"
#include "Shared/SystemParameters.h"
#include "Shared/file_delete.h"
#include "Shared/mapd_shared_ptr.h"
#include "Shared/scope.h"
using namespace ::apache::thrift;
using namespace ::apache::thrift::concurrency;
using namespace ::apache::thrift::protocol;
using namespace ::apache::thrift::server;
using namespace ::apache::thrift::transport;
unsigned connect_timeout{20000};
unsigned recv_timeout{300000};
unsigned send_timeout{300000};
extern bool g_cache_string_hash;
extern size_t g_leaf_count;
extern bool g_skip_intermediate_count;
extern bool g_enable_bump_allocator;
extern size_t g_max_memory_allocation_size;
extern size_t g_min_memory_allocation_size;
extern bool g_enable_experimental_string_functions;
extern bool g_enable_table_functions;
extern bool g_enable_fsi;
extern bool g_enable_interop;
extern bool g_enable_union;
extern bool g_use_tbb_pool;
bool g_enable_thrift_logs{false};
std::atomic<int> g_saw_signal{-1};
std::atomic<const char*> g_simple_error_message{nullptr};
mapd_shared_mutex g_thrift_mutex;
TThreadedServer* g_thrift_http_server{nullptr};
TThreadedServer* g_thrift_buf_server{nullptr};
mapd::shared_ptr<DBHandler> g_warmup_handler =
0; // global "g_warmup_handler" needed to avoid circular dependency
// between "DBHandler" & function "run_warmup_queries"
mapd::shared_ptr<DBHandler> g_mapd_handler = 0;
std::once_flag g_shutdown_once_flag;
void shutdown_handler() {
if (g_mapd_handler) {
std::call_once(g_shutdown_once_flag, []() { g_mapd_handler->shutdown(); });
}
}
// Signal handler to set a global flag telling the server to exit.
// Do not call other functions inside this (or any) signal handler
// unless you really know what you are doing. See also:
// man 7 signal-safety
// man 7 signal
// https://en.wikipedia.org/wiki/Reentrancy_(computing)
void omnisci_signal_handler(const boost::system::error_code& error, int signum) {
if (error) { // NOTE: the docs don't say if Boost will ever do this
g_simple_error_message = "omnisci_signal_handler: boost error, ignored";
return;
}
// For some reason Boost needs us to register a SIGCHLD handler
// to make boost::process::system and/or boost::process::child work
// correctly when a child gets SIGKILLed. Rather than spend too much
// time figuring out why, simply don't do anything here.
if (signum == SIGCHLD) {
return;
}
// Record the signal number for logging during shutdown.
// Only records the first signal if called more than once.
int expected_signal{-1};
if (!g_saw_signal.compare_exchange_strong(expected_signal, signum)) {
return; // this wasn't the first signal
}
// This point should never be reached more than once.
// Tell heartbeat() to shutdown by unsetting the 'Asio::running' flag.
// If 'Asio::running' is already false, this has no effect and the
// shutdown is already in progress.
Asio::running = false;
// Handle core dumps specially by pausing inside this signal handler
// because on some systems, some signals will execute their default
// action immediately when and if the signal handler returns.
// We would like to do some emergency cleanup before core dump.
if (signum == SIGQUIT || signum == SIGABRT || signum == SIGSEGV || signum == SIGFPE) {
// Wait briefly to give heartbeat() a chance to flush the logs and
// do any other emergency shutdown tasks.
sleep(1);
kill(getpid(), signum);
}
}
void start_server(TThreadedServer& server, const int port) {
try {
server.serve();
} catch (std::exception& e) {
LOG(ERROR) << "Exception: " << e.what() << ": port " << port << std::endl;
}
}
void releaseWarmupSession(TSessionId& sessionId, std::ifstream& query_file) {
query_file.close();
if (sessionId != g_warmup_handler->getInvalidSessionId()) {
g_warmup_handler->disconnect(sessionId);
}
}
void run_warmup_queries(mapd::shared_ptr<DBHandler> handler,
std::string base_path,
std::string query_file_path) {
// run warmup queries to load cache if requested
if (query_file_path.empty()) {
return;
}
LOG(INFO) << "Running DB warmup with queries from " << query_file_path;
try {
g_warmup_handler = handler;
std::string db_info;
std::string user_keyword, user_name, db_name;
std::ifstream query_file;
Catalog_Namespace::UserMetadata user;
Catalog_Namespace::DBMetadata db;
TSessionId sessionId = g_warmup_handler->getInvalidSessionId();
ScopeGuard session_guard = [&] { releaseWarmupSession(sessionId, query_file); };
query_file.open(query_file_path);
while (std::getline(query_file, db_info)) {
if (db_info.length() == 0) {
continue;
}
std::istringstream iss(db_info);
iss >> user_keyword >> user_name >> db_name;
if (user_keyword.compare(0, 4, "USER") == 0) {
// connect to DB for given user_name/db_name with super_user_rights (without
// password), & start session
g_warmup_handler->super_user_rights_ = true;
g_warmup_handler->connect(sessionId, user_name, "", db_name);
g_warmup_handler->super_user_rights_ = false;
// read and run one query at a time for the DB with the setup connection
TQueryResult ret;
std::string single_query;
while (std::getline(query_file, single_query)) {
boost::algorithm::trim(single_query);
if (single_query.length() == 0 || single_query[0] == '-') {
continue;
}
if (single_query[0] == '}') {
single_query.clear();
break;
}
if (single_query.find(';') == single_query.npos) {
std::string multiline_query;
std::getline(query_file, multiline_query, ';');
single_query += multiline_query;
}
try {
g_warmup_handler->sql_execute(ret, sessionId, single_query, true, "", -1, -1);
} catch (...) {
LOG(WARNING) << "Exception while executing '" << single_query
<< "', ignoring";
}
single_query.clear();
}
// stop session and disconnect from the DB
g_warmup_handler->disconnect(sessionId);
sessionId = g_warmup_handler->getInvalidSessionId();
} else {
LOG(WARNING) << "\nSyntax error in the file: " << query_file_path.c_str()
<< " Missing expected keyword USER. Following line will be ignored: "
<< db_info.c_str() << std::endl;
}
db_info.clear();
}
} catch (...) {
LOG(WARNING) << "Exception while executing warmup queries. "
<< "Warmup may not be fully completed. Will proceed nevertheless."
<< std::endl;
}
}
namespace po = boost::program_options;
class MapDProgramOptions {
public:
MapDProgramOptions(char const* argv0, bool dist_v5_ = false)
: log_options_(argv0), dist_v5_(dist_v5_) {
fillOptions();
fillAdvancedOptions();
}
int http_port = 6278;
size_t reserved_gpu_mem = 384 * 1024 * 1024;
std::string base_path;
std::string cluster_file = {"cluster.conf"};
std::string cluster_topology_file = {"cluster_topology.conf"};
std::string license_path = {""};
bool cpu_only = false;
bool verbose_logging = false;
bool jit_debug = false;
bool intel_jit_profile = false;
bool allow_multifrag = true;
bool read_only = false;
bool allow_loop_joins = false;
bool enable_legacy_syntax = true;
AuthMetadata authMetadata;
SystemParameters mapd_parameters;
bool enable_rendering = false;
bool enable_auto_clear_render_mem = false;
int render_oom_retry_threshold = 0; // in milliseconds
size_t render_mem_bytes = 1000000000;
size_t render_poly_cache_bytes = 300000000;
size_t max_concurrent_render_sessions = 500;
bool enable_runtime_udf = false;
bool enable_watchdog = true;
bool enable_dynamic_watchdog = false;
bool enable_runtime_query_interrupt = false;
unsigned runtime_query_interrupt_frequency = 1000; // in milliseconds
unsigned dynamic_watchdog_time_limit = 10000;
/**
* Can be used to override the number of gpus detected on the system
* -1 means do not override
*/
int num_gpus = -1;
int start_gpu = 0;
/**
* Number of threads used when loading data
*/
size_t num_reader_threads = 0;
/**
* path to file containing warmup queries list
*/
std::string db_query_file = {""};
/**
* exit after warmup
*/
bool exit_after_warmup = false;
/**
* Inactive session tolerance in mins (60 mins)
*/
int idle_session_duration = kMinsPerHour;
/**
* Maximum session life in mins (43,200 mins == 30 Days)
* (https://pages.nist.gov/800-63-3/sp800-63b.html#aal3reauth)
*/
int max_session_duration = kMinsPerMonth;
std::string udf_file_name = {""};
std::string udf_compiler_path = {""};
std::vector<std::string> udf_compiler_options;
void fillOptions();
void fillAdvancedOptions();
po::options_description help_desc;
po::options_description developer_desc;
logger::LogOptions log_options_;
po::positional_options_description positional_options;
public:
std::vector<LeafHostInfo> db_leaves;
std::vector<LeafHostInfo> string_leaves;
po::variables_map vm;
std::string clusterIds_arg;
std::string getNodeIds();
std::vector<std::string> getNodeIdsArray();
static const std::string nodeIds_token;
boost::optional<int> parse_command_line(int argc, char const* const* argv);
void validate();
void validate_base_path();
void init_logging();
const bool dist_v5_;
};
void MapDProgramOptions::init_logging() {
if (verbose_logging && logger::Severity::DEBUG1 < log_options_.severity_) {
log_options_.severity_ = logger::Severity::DEBUG1;
}
log_options_.set_base_path(base_path);
logger::init(log_options_);
}
void MapDProgramOptions::fillOptions() {
help_desc.add_options()("help,h", "Show available options.");
help_desc.add_options()(
"allow-cpu-retry",
po::value<bool>(&g_allow_cpu_retry)
->default_value(g_allow_cpu_retry)
->implicit_value(true),
R"(Allow the queries which failed on GPU to retry on CPU, even when watchdog is enabled.)");
help_desc.add_options()("allow-loop-joins",
po::value<bool>(&allow_loop_joins)
->default_value(allow_loop_joins)
->implicit_value(true),
"Enable loop joins.");
help_desc.add_options()("bigint-count",
po::value<bool>(&g_bigint_count)
->default_value(g_bigint_count)
->implicit_value(false),
"Use 64-bit count.");
help_desc.add_options()("calcite-max-mem",
po::value<size_t>(&mapd_parameters.calcite_max_mem)
->default_value(mapd_parameters.calcite_max_mem),
"Max memory available to calcite JVM.");
if (!dist_v5_) {
help_desc.add_options()("calcite-port",
po::value<int>(&mapd_parameters.calcite_port)
->default_value(mapd_parameters.calcite_port),
"Calcite port number.");
}
help_desc.add_options()("config",
po::value<std::string>(&mapd_parameters.config_file),
"Path to server configuration file.");
help_desc.add_options()("cpu-buffer-mem-bytes",
po::value<size_t>(&mapd_parameters.cpu_buffer_mem_bytes)
->default_value(mapd_parameters.cpu_buffer_mem_bytes),
"Size of memory reserved for CPU buffers, in bytes.");
help_desc.add_options()(
"cpu-only",
po::value<bool>(&cpu_only)->default_value(cpu_only)->implicit_value(true),
"Run on CPU only, even if GPUs are available.");
help_desc.add_options()("cuda-block-size",
po::value<size_t>(&mapd_parameters.cuda_block_size)
->default_value(mapd_parameters.cuda_block_size),
"Size of block to use on GPU.");
help_desc.add_options()("cuda-grid-size",
po::value<size_t>(&mapd_parameters.cuda_grid_size)
->default_value(mapd_parameters.cuda_grid_size),
"Size of grid to use on GPU.");
if (!dist_v5_) {
help_desc.add_options()(
"data",
po::value<std::string>(&base_path)->required()->default_value("data"),
"Directory path to OmniSci data storage (catalogs, raw data, log files, etc).");
positional_options.add("data", 1);
}
help_desc.add_options()("db-query-list",
po::value<std::string>(&db_query_file),
"Path to file containing OmniSci warmup queries.");
help_desc.add_options()(
"exit-after-warmup",
po::value<bool>(&exit_after_warmup)->default_value(false)->implicit_value(true),
"Exit after OmniSci warmup queries.");
help_desc.add_options()("dynamic-watchdog-time-limit",
po::value<unsigned>(&dynamic_watchdog_time_limit)
->default_value(dynamic_watchdog_time_limit)
->implicit_value(10000),
"Dynamic watchdog time limit, in milliseconds.");
help_desc.add_options()("enable-debug-timer",
po::value<bool>(&g_enable_debug_timer)
->default_value(g_enable_debug_timer)
->implicit_value(true),
"Enable debug timer logging.");
help_desc.add_options()("enable-dynamic-watchdog",
po::value<bool>(&enable_dynamic_watchdog)
->default_value(enable_dynamic_watchdog)
->implicit_value(true),
"Enable dynamic watchdog.");
help_desc.add_options()("enable-filter-push-down",
po::value<bool>(&g_enable_filter_push_down)
->default_value(g_enable_filter_push_down)
->implicit_value(true),
"Enable filter push down through joins.");
help_desc.add_options()("enable-overlaps-hashjoin",
po::value<bool>(&g_enable_overlaps_hashjoin)
->default_value(g_enable_overlaps_hashjoin)
->implicit_value(true),
"Enable the overlaps hash join framework allowing for range "
"join (e.g. spatial overlaps) computation using a hash table.");
help_desc.add_options()("enable-hashjoin-many-to-many",
po::value<bool>(&g_enable_hashjoin_many_to_many)
->default_value(g_enable_hashjoin_many_to_many)
->implicit_value(true),
"Enable the overlaps hash join framework allowing for range "
"join (e.g. spatial overlaps) computation using a hash table.");
help_desc.add_options()("enable-runtime-query-interrupt",
po::value<bool>(&enable_runtime_query_interrupt)
->default_value(enable_runtime_query_interrupt)
->implicit_value(true),
"Enable runtime query interrupt.");
help_desc.add_options()("runtime-query-interrupt-frequency",
po::value<unsigned>(&runtime_query_interrupt_frequency)
->default_value(runtime_query_interrupt_frequency)
->implicit_value(1000),
"A frequency of checking the request of runtime query "
"interrupt from user (in millisecond).");
if (!dist_v5_) {
help_desc.add_options()(
"enable-string-dict-hash-cache",
po::value<bool>(&g_cache_string_hash)
->default_value(g_cache_string_hash)
->implicit_value(true),
"Cache string hash values in the string dictionary server during import.");
}
help_desc.add_options()(
"enable-thrift-logs",
po::value<bool>(&g_enable_thrift_logs)
->default_value(g_enable_thrift_logs)
->implicit_value(true),
"Enable writing messages directly from thrift to stdout/stderr.");
help_desc.add_options()("enable-watchdog",
po::value<bool>(&enable_watchdog)
->default_value(enable_watchdog)
->implicit_value(true),
"Enable watchdog.");
help_desc.add_options()(
"filter-push-down-low-frac",
po::value<float>(&g_filter_push_down_low_frac)
->default_value(g_filter_push_down_low_frac)
->implicit_value(g_filter_push_down_low_frac),
"Lower threshold for selectivity of filters that are pushed down.");
help_desc.add_options()(
"filter-push-down-high-frac",
po::value<float>(&g_filter_push_down_high_frac)
->default_value(g_filter_push_down_high_frac)
->implicit_value(g_filter_push_down_high_frac),
"Higher threshold for selectivity of filters that are pushed down.");
help_desc.add_options()("filter-push-down-passing-row-ubound",
po::value<size_t>(&g_filter_push_down_passing_row_ubound)
->default_value(g_filter_push_down_passing_row_ubound)
->implicit_value(g_filter_push_down_passing_row_ubound),
"Upperbound on the number of rows that should pass the filter "
"if the selectivity is less than "
"the high fraction threshold.");
help_desc.add_options()("from-table-reordering",
po::value<bool>(&g_from_table_reordering)
->default_value(g_from_table_reordering)
->implicit_value(true),
"Enable automatic table reordering in FROM clause.");
help_desc.add_options()("gpu-buffer-mem-bytes",
po::value<size_t>(&mapd_parameters.gpu_buffer_mem_bytes)
->default_value(mapd_parameters.gpu_buffer_mem_bytes),
"Size of memory reserved for GPU buffers, in bytes, per GPU.");
help_desc.add_options()("gpu-input-mem-limit",
po::value<double>(&mapd_parameters.gpu_input_mem_limit)
->default_value(mapd_parameters.gpu_input_mem_limit),
"Force query to CPU when input data memory usage exceeds this "
"percentage of available GPU memory.");
help_desc.add_options()(
"hll-precision-bits",
po::value<int>(&g_hll_precision_bits)
->default_value(g_hll_precision_bits)
->implicit_value(g_hll_precision_bits),
"Number of bits used from the hash value used to specify the bucket number.");
if (!dist_v5_) {
help_desc.add_options()("http-port",
po::value<int>(&http_port)->default_value(http_port),
"HTTP port number.");
}
help_desc.add_options()(
"idle-session-duration",
po::value<int>(&idle_session_duration)->default_value(idle_session_duration),
"Maximum duration of idle session.");
help_desc.add_options()("inner-join-fragment-skipping",
po::value<bool>(&g_inner_join_fragment_skipping)
->default_value(g_inner_join_fragment_skipping)
->implicit_value(true),
"Enable/disable inner join fragment skipping. This feature is "
"considered stable and is enabled by default. This "
"parameter will be removed in a future release.");
help_desc.add_options()(
"max-session-duration",
po::value<int>(&max_session_duration)->default_value(max_session_duration),
"Maximum duration of active session.");
help_desc.add_options()(
"null-div-by-zero",
po::value<bool>(&g_null_div_by_zero)
->default_value(g_null_div_by_zero)
->implicit_value(true),
"Return null on division by zero instead of throwing an exception.");
help_desc.add_options()(
"num-reader-threads",
po::value<size_t>(&num_reader_threads)->default_value(num_reader_threads),
"Number of reader threads to use.");
help_desc.add_options()(
"overlaps-max-table-size-bytes",
po::value<size_t>(&g_overlaps_max_table_size_bytes)
->default_value(g_overlaps_max_table_size_bytes),
"The maximum size in bytes of the hash table for an overlaps hash join.");
if (!dist_v5_) {
help_desc.add_options()("port,p",
po::value<int>(&mapd_parameters.omnisci_server_port)
->default_value(mapd_parameters.omnisci_server_port),
"TCP Port number.");
}
help_desc.add_options()("num-gpus",
po::value<int>(&num_gpus)->default_value(num_gpus),
"Number of gpus to use.");
help_desc.add_options()(
"read-only",
po::value<bool>(&read_only)->default_value(read_only)->implicit_value(true),
"Enable read-only mode.");
help_desc.add_options()(
"res-gpu-mem",
po::value<size_t>(&reserved_gpu_mem)->default_value(reserved_gpu_mem),
"Reduces GPU memory available to the OmniSci allocator by this amount. Used for "
"compiled code cache and ancillary GPU functions and other processes that may also "
"be using the GPU concurrent with OmniSciDB.");
help_desc.add_options()("start-gpu",
po::value<int>(&start_gpu)->default_value(start_gpu),
"First gpu to use.");
help_desc.add_options()("trivial-loop-join-threshold",
po::value<unsigned>(&g_trivial_loop_join_threshold)
->default_value(g_trivial_loop_join_threshold)
->implicit_value(1000),
"The maximum number of rows in the inner table of a loop join "
"considered to be trivially small.");
help_desc.add_options()("verbose",
po::value<bool>(&verbose_logging)
->default_value(verbose_logging)
->implicit_value(true),
"Write additional debug log messages to server logs.");
help_desc.add_options()(
"enable-runtime-udf",
po::value<bool>(&enable_runtime_udf)
->default_value(enable_runtime_udf)
->implicit_value(true),
"Enable runtime UDF registration by passing signatures and corresponding LLVM IR "
"to the `register_runtime_udf` endpoint. For use with the Python Remote Backend "
"Compiler server, packaged separately.");
help_desc.add_options()("version,v", "Print Version Number.");
help_desc.add_options()("enable-experimental-string-functions",
po::value<bool>(&g_enable_experimental_string_functions)
->default_value(g_enable_experimental_string_functions)
->implicit_value(true),
"Enable experimental string functions.");
#ifdef ENABLE_FSI
help_desc.add_options()(
"enable-fsi",
po::value<bool>(&g_enable_fsi)->default_value(g_enable_fsi)->implicit_value(true),
"Enable foreign storage interface.");
#endif // ENABLE_FSI
help_desc.add_options()(
"enable-interoperability",
po::value<bool>(&g_enable_interop)
->default_value(g_enable_interop)
->implicit_value(true),
"Enable offloading of query portions to an external execution engine.");
help_desc.add_options()("enable-union",
po::value<bool>(&g_enable_union)
->default_value(g_enable_union)
->implicit_value(true),
"Enable UNION ALL SQL clause.");
help_desc.add_options()(
"calcite-service-timeout",
po::value<size_t>(&mapd_parameters.calcite_timeout)
->default_value(mapd_parameters.calcite_timeout),
"Calcite server timeout (milliseconds). Increase this on systems with frequent "
"schema changes or when running large numbers of parallel queries.");
help_desc.add_options()(
"stringdict-parallelizm",
po::value<bool>(&g_enable_stringdict_parallel)
->default_value(g_enable_stringdict_parallel)
->implicit_value(false),
"Allow StringDictionary to parallelize loads using multiple threads");
help_desc.add(log_options_.get_options());
}
void MapDProgramOptions::fillAdvancedOptions() {
developer_desc.add_options()("dev-options", "Print internal developer options.");
developer_desc.add_options()(
"enable-calcite-view-optimize",
po::value<bool>(&mapd_parameters.enable_calcite_view_optimize)
->default_value(mapd_parameters.enable_calcite_view_optimize)
->implicit_value(true),
"Enable additional calcite (query plan) optimizations when a view is part of the "
"query.");
developer_desc.add_options()(
"enable-columnar-output",
po::value<bool>(&g_enable_columnar_output)
->default_value(g_enable_columnar_output)
->implicit_value(true),
"Enable columnar output for intermediate/final query steps.");
developer_desc.add_options()("enable-legacy-syntax",
po::value<bool>(&enable_legacy_syntax)
->default_value(enable_legacy_syntax)
->implicit_value(true),
"Enable legacy syntax.");
developer_desc.add_options()(
"enable-multifrag",
po::value<bool>(&allow_multifrag)
->default_value(allow_multifrag)
->implicit_value(true),
"Enable execution over multiple fragments in a single round-trip to GPU.");
developer_desc.add_options()(
"enable-shared-mem-group-by",
po::value<bool>(&g_enable_smem_group_by)
->default_value(g_enable_smem_group_by)
->implicit_value(true),
"Enable using GPU shared memory for some GROUP BY queries.");
developer_desc.add_options()("enable-direct-columnarization",
po::value<bool>(&g_enable_direct_columnarization)
->default_value(g_enable_direct_columnarization)
->implicit_value(true),
"Enables/disables a more optimized columnarization method "
"for intermediate steps in multi-step queries.");
developer_desc.add_options()("enable-window-functions",
po::value<bool>(&g_enable_window_functions)
->default_value(g_enable_window_functions)
->implicit_value(true),
"Enable experimental window function support.");
developer_desc.add_options()("enable-table-functions",
po::value<bool>(&g_enable_table_functions)
->default_value(g_enable_table_functions)
->implicit_value(true),
"Enable experimental table functions support.");
developer_desc.add_options()(
"jit-debug-ir",
po::value<bool>(&jit_debug)->default_value(jit_debug)->implicit_value(true),
"Enable runtime debugger support for the JIT. Note that this flag is "
"incompatible "
"with the `ENABLE_JIT_DEBUG` build flag. The generated code can be found at "
"`/tmp/mapdquery`.");
developer_desc.add_options()(
"intel-jit-profile",
po::value<bool>(&intel_jit_profile)
->default_value(intel_jit_profile)
->implicit_value(true),
"Enable runtime support for the JIT code profiling using Intel VTune.");
developer_desc.add_options()(
"enable-modern-thread-pool",
po::value<bool>(&g_use_tbb_pool)
->default_value(g_use_tbb_pool)
->implicit_value(true),
"Enable a new thread pool implementation for queuing kernels for execution.");
developer_desc.add_options()(
"skip-intermediate-count",
po::value<bool>(&g_skip_intermediate_count)
->default_value(g_skip_intermediate_count)
->implicit_value(true),
"Skip pre-flight counts for intermediate projections with no filters.");
developer_desc.add_options()(
"strip-join-covered-quals",
po::value<bool>(&g_strip_join_covered_quals)
->default_value(g_strip_join_covered_quals)
->implicit_value(true),
"Remove quals from the filtered count if they are covered by a "
"join condition (currently only ST_Contains).");
developer_desc.add_options()(
"max-output-projection-allocation-bytes",
po::value<size_t>(&g_max_memory_allocation_size)
->default_value(g_max_memory_allocation_size),
"Maximum allocation size for a fixed output buffer allocation for projection "
"queries with no pre-flight count. Default is the maximum slab size (sizes "
"greater "
"than the maximum slab size have no affect). Requires bump allocator.");
developer_desc.add_options()(
"min-output-projection-allocation-bytes",
po::value<size_t>(&g_min_memory_allocation_size)
->default_value(g_min_memory_allocation_size),
"Minimum allocation size for a fixed output buffer allocation for projection "
"queries with no pre-flight count. If an allocation of this size cannot be "
"obtained, the query will be retried with different execution parameters and/or "
"on "
"CPU (if allow-cpu-retry is enabled). Requires bump allocator.");
developer_desc.add_options()("enable-bump-allocator",
po::value<bool>(&g_enable_bump_allocator)
->default_value(g_enable_bump_allocator)
->implicit_value(true),
"Enable the bump allocator for projection queries on "
"GPU. The bump allocator will "
"allocate a fixed size buffer for each query, track the "
"number of rows passing the "
"kernel during query execution, and copy back only the "
"rows that passed the kernel "
"to CPU after execution. When disabled, pre-flight "
"count queries are used to size "
"the output buffer for projection queries.");
developer_desc.add_options()("ssl-cert",
po::value<std::string>(&mapd_parameters.ssl_cert_file)
->default_value(std::string("")),
"SSL Validated public certficate.");
developer_desc.add_options()(
"pki-db-client-auth",
po::value<bool>(&authMetadata.pki_db_client_auth)->default_value(false),
"Use client PKI authentication to the database.");
developer_desc.add_options()(
"ssl-transport-client-auth",
po::value<bool>(&mapd_parameters.ssl_transport_client_auth)->default_value(false),
"SSL Use client PKI authentication at the transport layer.");
developer_desc.add_options()("ssl-private-key",
po::value<std::string>(&mapd_parameters.ssl_key_file)
->default_value(std::string("")),
"SSL private key file.");
// Note ssl_trust_store is passed through to Calcite via mapd_parameters
// todo(jack): add ensure ssl-trust-store exists if cert and private key in use
developer_desc.add_options()("ssl-trust-store",
po::value<std::string>(&mapd_parameters.ssl_trust_store)
->default_value(std::string("")),
"SSL public CA certifcates (java trust store) to validate "
"TLS connections (passed through to the Calcite server).");
developer_desc.add_options()(
"ssl-trust-password",
po::value<std::string>(&mapd_parameters.ssl_trust_password)
->default_value(std::string("")),
"SSL password for java trust store provided via --ssl-trust-store parameter.");
developer_desc.add_options()(
"ssl-trust-ca",
po::value<std::string>(&mapd_parameters.ssl_trust_ca_file)
->default_value(std::string("")),
"SSL public CA certificates to validate TLS connection(as a client).");
developer_desc.add_options()(
"ssl-trust-ca-server",
po::value<std::string>(&authMetadata.ca_file_name)->default_value(std::string("")),
"SSL public CA certificates to validate TLS connection(as a server).");
developer_desc.add_options()("ssl-keystore",
po::value<std::string>(&mapd_parameters.ssl_keystore)
->default_value(std::string("")),
"SSL server credentials as a java key store (passed "
"through to the Calcite server).");
developer_desc.add_options()(
"ssl-keystore-password",
po::value<std::string>(&mapd_parameters.ssl_keystore_password)
->default_value(std::string("")),
"SSL password for java keystore, provide by via --ssl-keystore.");
developer_desc.add_options()(
"udf",
po::value<std::string>(&udf_file_name),
"Load user defined extension functions from this file at startup. The file is "
"expected to be a C/C++ file with extension .cpp.");
developer_desc.add_options()(
"udf-compiler-path",
po::value<std::string>(&udf_compiler_path),
"Provide absolute path to clang++ used in udf compilation.");
developer_desc.add_options()(
"udf-compiler-options",
po::value<std::vector<std::string> >(&udf_compiler_options),
"Specify compiler options to tailor udf compilation.");
}
namespace {
std::stringstream sanitize_config_file(std::ifstream& in) {
// Strip the web section out of the config file so boost can validate program options
std::stringstream ss;
std::string line;
while (std::getline(in, line)) {
ss << line << "\n";
if (line == "[web]") {
break;
}
}
return ss;
}
bool trim_and_check_file_exists(std::string& filename, const std::string desc) {
if (!filename.empty()) {
boost::algorithm::trim_if(filename, boost::is_any_of("\"'"));
if (!boost::filesystem::exists(filename)) {
std::cerr << desc << " " << filename << " does not exist." << std::endl;
return false;
}
}
return true;
}
} // namespace
void MapDProgramOptions::validate_base_path() {
boost::algorithm::trim_if(base_path, boost::is_any_of("\"'"));
if (!boost::filesystem::exists(base_path)) {
throw std::runtime_error("OmniSci base directory does not exist at " + base_path);
}
}
void MapDProgramOptions::validate() {
boost::algorithm::trim_if(base_path, boost::is_any_of("\"'"));
const auto data_path = boost::filesystem::path(base_path) / "mapd_data";
if (!boost::filesystem::exists(data_path)) {
throw std::runtime_error("OmniSci data directory does not exist at '" + base_path +
"'");
}
{
const auto lock_file = boost::filesystem::path(base_path) / "omnisci_server_pid.lck";
auto pid = std::to_string(getpid());
int pid_fd = open(lock_file.c_str(), O_RDWR | O_CREAT, 0644);
if (pid_fd == -1) {
auto err = std::string("Failed to open PID file ") + lock_file.c_str() + ". " +
strerror(errno) + ".";
throw std::runtime_error(err);
}
if (lockf(pid_fd, F_TLOCK, 0) == -1) {
close(pid_fd);
auto err = std::string("Another OmniSci Server is using data directory ") +
base_path + ".";
throw std::runtime_error(err);
}
if (ftruncate(pid_fd, 0) == -1) {
close(pid_fd);
auto err = std::string("Failed to truncate PID file ") + lock_file.c_str() + ". " +
strerror(errno) + ".";
throw std::runtime_error(err);
}
if (write(pid_fd, pid.c_str(), pid.length()) == -1) {
close(pid_fd);
auto err = std::string("Failed to write PID file ") + lock_file.c_str() + ". " +
strerror(errno) + ".";
throw std::runtime_error(err);
}
}
boost::algorithm::trim_if(db_query_file, boost::is_any_of("\"'"));
if (db_query_file.length() > 0 && !boost::filesystem::exists(db_query_file)) {
throw std::runtime_error("File containing DB queries " + db_query_file +
" does not exist.");
}
const auto db_file =
boost::filesystem::path(base_path) / "mapd_catalogs" / OMNISCI_SYSTEM_CATALOG;
if (!boost::filesystem::exists(db_file)) {
{ // check old system catalog existsense
const auto db_file = boost::filesystem::path(base_path) / "mapd_catalogs/mapd";
if (!boost::filesystem::exists(db_file)) {
throw std::runtime_error("OmniSci system catalog " + OMNISCI_SYSTEM_CATALOG +
" does not exist.");
}
}
}
// add all parameters to be displayed on startup
LOG(INFO) << "OmniSci started with data directory at '" << base_path << "'";
LOG(INFO) << " Watchdog is set to " << enable_watchdog;
LOG(INFO) << " Dynamic Watchdog is set to " << enable_dynamic_watchdog;
if (enable_dynamic_watchdog) {
LOG(INFO) << " Dynamic Watchdog timeout is set to " << dynamic_watchdog_time_limit;
}
LOG(INFO) << " Runtime query interrupt is set to " << enable_runtime_query_interrupt;
if (enable_runtime_query_interrupt) {
LOG(INFO) << " A frequency of checking runtime query interrupt request is set to "
<< runtime_query_interrupt_frequency << " (in ms.)";
}
LOG(INFO) << " Debug Timer is set to " << g_enable_debug_timer;
LOG(INFO) << " Maximum Idle session duration " << idle_session_duration;
LOG(INFO) << " Maximum active session duration " << max_session_duration;
}
boost::optional<int> MapDProgramOptions::parse_command_line(int argc,
char const* const* argv) {
po::options_description all_desc("All options");
all_desc.add(help_desc).add(developer_desc);
try {
po::store(po::command_line_parser(argc, argv)
.options(all_desc)
.positional(positional_options)
.run(),
vm);
po::notify(vm);
if (vm.count("config")) {
std::ifstream settings_file(mapd_parameters.config_file);
auto sanitized_settings = sanitize_config_file(settings_file);
po::store(po::parse_config_file(sanitized_settings, all_desc, false), vm);
po::notify(vm);
settings_file.close();
}
if (!trim_and_check_file_exists(mapd_parameters.ssl_cert_file, "ssl cert file")) {
return 1;
}
if (!trim_and_check_file_exists(authMetadata.ca_file_name, "ca file name")) {
return 1;
}
if (!trim_and_check_file_exists(mapd_parameters.ssl_trust_store, "ssl trust store")) {
return 1;
}
if (!trim_and_check_file_exists(mapd_parameters.ssl_keystore, "ssl key store")) {
return 1;
}
if (!trim_and_check_file_exists(mapd_parameters.ssl_key_file, "ssl key file")) {
return 1;
}
if (!trim_and_check_file_exists(mapd_parameters.ssl_trust_ca_file, "ssl ca file")) {
return 1;
}
if (vm.count("help")) {
std::cerr << "Usage: omnisci_server <data directory path> [-p <port number>] "
"[--http-port <http port number>] [--flush-log] [--version|-v]"
<< std::endl
<< std::endl;
std::cout << help_desc << std::endl;
return 0;
}
if (vm.count("dev-options")) {
std::cout << "Usage: omnisci_server <data directory path> [-p <port number>] "
"[--http-port <http port number>] [--flush-log] [--version|-v]"
<< std::endl
<< std::endl;
std::cout << developer_desc << std::endl;
return 0;
}
if (vm.count("version")) {
std::cout << "OmniSci Version: " << MAPD_RELEASE << std::endl;
return 0;
}
g_enable_watchdog = enable_watchdog;
g_enable_dynamic_watchdog = enable_dynamic_watchdog;
g_dynamic_watchdog_time_limit = dynamic_watchdog_time_limit;
g_enable_runtime_query_interrupt = enable_runtime_query_interrupt;
g_runtime_query_interrupt_frequency = runtime_query_interrupt_frequency;
} catch (po::error& e) {
std::cerr << "Usage Error: " << e.what() << std::endl;
return 1;
}
if (g_hll_precision_bits < 1 || g_hll_precision_bits > 16) {
std::cerr << "hll-precision-bits must be between 1 and 16." << std::endl;
return 1;
}
if (!g_from_table_reordering) {