mirror of
https://github.com/netdata/netdata.git
synced 2025-04-16 10:31:07 +00:00
Convert the ML database (#16046)
* Convert a db to WAL with auto vacuum * Use single sqlite configuration function * Remove UNUSED statements
This commit is contained in:
Stelios Fragkakis
GitHub
parent
5ff2ec1a29
commit
f90c2a23e9
9 changed files with 147 additions and 96 deletions
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@ -52,39 +52,8 @@ int sql_init_context_database(int memory)
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if (likely(!memory))
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target_version = perform_context_database_migration(db_context_meta, DB_CONTEXT_METADATA_VERSION);
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// https://www.sqlite.org/pragma.html#pragma_auto_vacuum
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// PRAGMA schema.auto_vacuum = 0 | NONE | 1 | FULL | 2 | INCREMENTAL;
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snprintfz(buf, 1024, "PRAGMA auto_vacuum=%s;", config_get(CONFIG_SECTION_SQLITE, "auto vacuum", "INCREMENTAL"));
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if(init_database_batch(db_context_meta, list)) return 1;
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// https://www.sqlite.org/pragma.html#pragma_synchronous
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// PRAGMA schema.synchronous = 0 | OFF | 1 | NORMAL | 2 | FULL | 3 | EXTRA;
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snprintfz(buf, 1024, "PRAGMA synchronous=%s;", config_get(CONFIG_SECTION_SQLITE, "synchronous", "NORMAL"));
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if(init_database_batch(db_context_meta, list)) return 1;
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// https://www.sqlite.org/pragma.html#pragma_journal_mode
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// PRAGMA schema.journal_mode = DELETE | TRUNCATE | PERSIST | MEMORY | WAL | OFF
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snprintfz(buf, 1024, "PRAGMA journal_mode=%s;", config_get(CONFIG_SECTION_SQLITE, "journal mode", "WAL"));
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if(init_database_batch(db_context_meta, list)) return 1;
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// https://www.sqlite.org/pragma.html#pragma_temp_store
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// PRAGMA temp_store = 0 | DEFAULT | 1 | FILE | 2 | MEMORY;
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snprintfz(buf, 1024, "PRAGMA temp_store=%s;", config_get(CONFIG_SECTION_SQLITE, "temp store", "MEMORY"));
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if(init_database_batch(db_context_meta, list)) return 1;
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// https://www.sqlite.org/pragma.html#pragma_journal_size_limit
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// PRAGMA schema.journal_size_limit = N ;
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snprintfz(buf, 1024, "PRAGMA journal_size_limit=%lld;", config_get_number(CONFIG_SECTION_SQLITE, "journal size limit", 16777216));
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if(init_database_batch(db_context_meta, list)) return 1;
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// https://www.sqlite.org/pragma.html#pragma_cache_size
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// PRAGMA schema.cache_size = pages;
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// PRAGMA schema.cache_size = -kibibytes;
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snprintfz(buf, 1024, "PRAGMA cache_size=%lld;", config_get_number(CONFIG_SECTION_SQLITE, "cache size", -2000));
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if(init_database_batch(db_context_meta, list)) return 1;
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snprintfz(buf, 1024, "PRAGMA user_version=%d;", target_version);
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if(init_database_batch(db_context_meta, list)) return 1;
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if (configure_sqlite_database(db_context_meta, target_version))
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return 1;
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if (likely(!memory))
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snprintfz(buf, 1024, "ATTACH DATABASE \"%s/netdata-meta.db\" as meta;", netdata_configured_cache_dir);
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@ -11,6 +11,24 @@ static int return_int_cb(void *data, int argc, char **argv, char **column)
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return 0;
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}
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static int get_auto_vaccum(sqlite3 *database)
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{
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char *err_msg = NULL;
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char sql[128];
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int exists = 0;
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snprintf(sql, 127, "PRAGMA auto_vacuum");
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int rc = sqlite3_exec_monitored(database, sql, return_int_cb, (void *) &exists, &err_msg);
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if (rc != SQLITE_OK) {
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netdata_log_info("Error checking database auto vacuum setting; %s", err_msg);
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sqlite3_free(err_msg);
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}
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return exists;
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}
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int table_exists_in_database(const char *table)
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{
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char *err_msg = NULL;
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@ -111,7 +129,6 @@ const char *database_migrate_v13_v14[] = {
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static int do_migration_v1_v2(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running \"%s\" database migration", name);
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if (table_exists_in_database("host") && !column_exists_in_table("host", "hops"))
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@ -121,7 +138,6 @@ static int do_migration_v1_v2(sqlite3 *database, const char *name)
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static int do_migration_v2_v3(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running \"%s\" database migration", name);
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if (table_exists_in_database("host") && !column_exists_in_table("host", "memory_mode"))
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@ -131,7 +147,6 @@ static int do_migration_v2_v3(sqlite3 *database, const char *name)
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static int do_migration_v3_v4(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running database migration %s", name);
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char sql[256];
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@ -163,7 +178,6 @@ static int do_migration_v3_v4(sqlite3 *database, const char *name)
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static int do_migration_v4_v5(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running \"%s\" database migration", name);
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return init_database_batch(database, &database_migrate_v4_v5[0]);
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@ -171,7 +185,6 @@ static int do_migration_v4_v5(sqlite3 *database, const char *name)
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static int do_migration_v5_v6(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running \"%s\" database migration", name);
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return init_database_batch(database, &database_migrate_v5_v6[0]);
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@ -179,7 +192,6 @@ static int do_migration_v5_v6(sqlite3 *database, const char *name)
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static int do_migration_v6_v7(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running \"%s\" database migration", name);
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char sql[256];
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@ -213,7 +225,6 @@ static int do_migration_v6_v7(sqlite3 *database, const char *name)
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static int do_migration_v7_v8(sqlite3 *database, const char *name)
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{
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UNUSED(name);
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netdata_log_info("Running database migration %s", name);
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char sql[256];
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@ -381,10 +392,27 @@ static int do_migration_v13_v14(sqlite3 *database, const char *name)
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}
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// Actions for ML migration
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const char *database_ml_migrate_v1_v2[] = {
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"PRAGMA journal_mode=delete",
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"PRAGMA journal_mode=WAL",
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"PRAGMA auto_vacuum=2",
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"VACUUM",
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NULL
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};
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static int do_ml_migration_v1_v2(sqlite3 *database, const char *name)
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{
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netdata_log_info("Running \"%s\" database migration", name);
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if (get_auto_vaccum(database) != 2)
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return init_database_batch(database, &database_ml_migrate_v1_v2[0]);
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return 0;
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}
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static int do_migration_noop(sqlite3 *database, const char *name)
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{
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UNUSED(database);
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UNUSED(name);
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netdata_log_info("Running database migration %s", name);
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return 0;
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}
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@ -448,6 +476,12 @@ DATABASE_FUNC_MIGRATION_LIST context_migration_action[] = {
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{.name = NULL, .func = NULL}
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};
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DATABASE_FUNC_MIGRATION_LIST ml_migration_action[] = {
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{.name = "v0 to v1", .func = do_migration_noop},
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{.name = "v1 to v2", .func = do_ml_migration_v1_v2},
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// the terminator of this array
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{.name = NULL, .func = NULL}
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};
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int perform_database_migration(sqlite3 *database, int target_version)
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{
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@ -458,3 +492,8 @@ int perform_context_database_migration(sqlite3 *database, int target_version)
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{
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return migrate_database(database, target_version, "context", context_migration_action);
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}
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int perform_ml_database_migration(sqlite3 *database, int target_version)
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{
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return migrate_database(database, target_version, "ml", ml_migration_action);
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}
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@ -9,5 +9,6 @@
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int perform_database_migration(sqlite3 *database, int target_version);
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int perform_context_database_migration(sqlite3 *database, int target_version);
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int table_exists_in_database(const char *table);
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int perform_ml_database_migration(sqlite3 *database, int target_version);
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#endif //NETDATA_SQLITE_DB_MIGRATION_H
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@ -201,6 +201,55 @@ int execute_insert(sqlite3_stmt *res)
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return rc;
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}
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int configure_sqlite_database(sqlite3 *database, int target_version)
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{
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char buf[1024 + 1] = "";
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const char *list[2] = { buf, NULL };
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// https://www.sqlite.org/pragma.html#pragma_auto_vacuum
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// PRAGMA schema.auto_vacuum = 0 | NONE | 1 | FULL | 2 | INCREMENTAL;
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snprintfz(buf, 1024, "PRAGMA auto_vacuum=%s;", config_get(CONFIG_SECTION_SQLITE, "auto vacuum", "INCREMENTAL"));
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if (init_database_batch(database, list))
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return 1;
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// https://www.sqlite.org/pragma.html#pragma_synchronous
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// PRAGMA schema.synchronous = 0 | OFF | 1 | NORMAL | 2 | FULL | 3 | EXTRA;
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snprintfz(buf, 1024, "PRAGMA synchronous=%s;", config_get(CONFIG_SECTION_SQLITE, "synchronous", "NORMAL"));
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if (init_database_batch(database, list))
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return 1;
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// https://www.sqlite.org/pragma.html#pragma_journal_mode
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// PRAGMA schema.journal_mode = DELETE | TRUNCATE | PERSIST | MEMORY | WAL | OFF
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snprintfz(buf, 1024, "PRAGMA journal_mode=%s;", config_get(CONFIG_SECTION_SQLITE, "journal mode", "WAL"));
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if (init_database_batch(database, list))
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return 1;
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// https://www.sqlite.org/pragma.html#pragma_temp_store
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// PRAGMA temp_store = 0 | DEFAULT | 1 | FILE | 2 | MEMORY;
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snprintfz(buf, 1024, "PRAGMA temp_store=%s;", config_get(CONFIG_SECTION_SQLITE, "temp store", "MEMORY"));
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if (init_database_batch(database, list))
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return 1;
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// https://www.sqlite.org/pragma.html#pragma_journal_size_limit
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// PRAGMA schema.journal_size_limit = N ;
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snprintfz(buf, 1024, "PRAGMA journal_size_limit=%lld;", config_get_number(CONFIG_SECTION_SQLITE, "journal size limit", 16777216));
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if (init_database_batch(database, list))
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return 1;
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// https://www.sqlite.org/pragma.html#pragma_cache_size
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// PRAGMA schema.cache_size = pages;
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// PRAGMA schema.cache_size = -kibibytes;
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snprintfz(buf, 1024, "PRAGMA cache_size=%lld;", config_get_number(CONFIG_SECTION_SQLITE, "cache size", -2000));
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if (init_database_batch(database, list))
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return 1;
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snprintfz(buf, 1024, "PRAGMA user_version=%d;", target_version);
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if (init_database_batch(database, list))
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return 1;
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return 0;
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}
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#define MAX_OPEN_STATEMENTS (512)
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static void add_stmt_to_list(sqlite3_stmt *res)
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@ -382,9 +431,6 @@ int sql_init_database(db_check_action_type_t rebuild, int memory)
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netdata_log_info("SQLite database %s initialization", sqlite_database);
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char buf[1024 + 1] = "";
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const char *list[2] = { buf, NULL };
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rc = sqlite3_create_function(db_meta, "u2h", 1, SQLITE_ANY | SQLITE_DETERMINISTIC, 0, sqlite_uuid_parse, 0, 0);
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if (unlikely(rc != SQLITE_OK))
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error_report("Failed to register internal u2h function");
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@ -402,39 +448,8 @@ int sql_init_database(db_check_action_type_t rebuild, int memory)
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if (likely(!memory))
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target_version = perform_database_migration(db_meta, DB_METADATA_VERSION);
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// https://www.sqlite.org/pragma.html#pragma_auto_vacuum
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// PRAGMA schema.auto_vacuum = 0 | NONE | 1 | FULL | 2 | INCREMENTAL;
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snprintfz(buf, 1024, "PRAGMA auto_vacuum=%s;", config_get(CONFIG_SECTION_SQLITE, "auto vacuum", "INCREMENTAL"));
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if(init_database_batch(db_meta, list)) return 1;
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// https://www.sqlite.org/pragma.html#pragma_synchronous
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// PRAGMA schema.synchronous = 0 | OFF | 1 | NORMAL | 2 | FULL | 3 | EXTRA;
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snprintfz(buf, 1024, "PRAGMA synchronous=%s;", config_get(CONFIG_SECTION_SQLITE, "synchronous", "NORMAL"));
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if(init_database_batch(db_meta, list)) return 1;
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// https://www.sqlite.org/pragma.html#pragma_journal_mode
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// PRAGMA schema.journal_mode = DELETE | TRUNCATE | PERSIST | MEMORY | WAL | OFF
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snprintfz(buf, 1024, "PRAGMA journal_mode=%s;", config_get(CONFIG_SECTION_SQLITE, "journal mode", "WAL"));
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if(init_database_batch(db_meta, list)) return 1;
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// https://www.sqlite.org/pragma.html#pragma_temp_store
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// PRAGMA temp_store = 0 | DEFAULT | 1 | FILE | 2 | MEMORY;
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snprintfz(buf, 1024, "PRAGMA temp_store=%s;", config_get(CONFIG_SECTION_SQLITE, "temp store", "MEMORY"));
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if(init_database_batch(db_meta, list)) return 1;
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// https://www.sqlite.org/pragma.html#pragma_journal_size_limit
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// PRAGMA schema.journal_size_limit = N ;
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snprintfz(buf, 1024, "PRAGMA journal_size_limit=%lld;", config_get_number(CONFIG_SECTION_SQLITE, "journal size limit", 16777216));
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if(init_database_batch(db_meta, list)) return 1;
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// https://www.sqlite.org/pragma.html#pragma_cache_size
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// PRAGMA schema.cache_size = pages;
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// PRAGMA schema.cache_size = -kibibytes;
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snprintfz(buf, 1024, "PRAGMA cache_size=%lld;", config_get_number(CONFIG_SECTION_SQLITE, "cache size", -2000));
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if(init_database_batch(db_meta, list)) return 1;
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snprintfz(buf, 1024, "PRAGMA user_version=%d;", target_version);
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if(init_database_batch(db_meta, list)) return 1;
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if (configure_sqlite_database(db_meta, target_version))
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return 1;
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if (init_database_batch(db_meta, &database_config[0]))
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return 1;
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@ -50,6 +50,7 @@ SQLITE_API int sqlite3_exec_monitored(
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int init_database_batch(sqlite3 *database, const char *batch[]);
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int sql_init_database(db_check_action_type_t rebuild, int memory);
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void sql_close_database(void);
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int configure_sqlite_database(sqlite3 *database, int target_version);
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// Helpers
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int bind_text_null(sqlite3_stmt *res, int position, const char *text, bool can_be_null);
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@ -60,11 +60,12 @@
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#define METADATA_HOST_CHECK_FIRST_CHECK (5) // First check for pending metadata
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#define METADATA_HOST_CHECK_INTERVAL (30) // Repeat check for pending metadata
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#define METADATA_HOST_CHECK_IMMEDIATE (5) // Repeat immediate run because we have more metadata to write
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#define METADATA_FREE_PAGES_THRESHOLD_PC (5) // Percentage of free pages to trigger vacuum
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#define METADATA_FREE_PAGES_VACUUM_PC (10) // Percentage of free pages to vacuum
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#define MAX_METADATA_CLEANUP (500) // Maximum metadata write operations (e.g deletes before retrying)
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#define METADATA_MAX_BATCH_SIZE (512) // Maximum commands to execute before running the event loop
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#define DATABASE_FREE_PAGES_THRESHOLD_PC (5) // Percentage of free pages to trigger vacuum
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#define DATABASE_FREE_PAGES_VACUUM_PC (10) // Percentage of free pages to vacuum
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enum metadata_opcode {
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METADATA_DATABASE_NOOP = 0,
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METADATA_DATABASE_TIMER,
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@ -1148,6 +1149,28 @@ static void timer_cb(uv_timer_t* handle)
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}
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}
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void vacuum_database(sqlite3 *database, const char *db_alias, int threshold, int vacuum_pc)
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{
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int free_pages = get_free_page_count(database);
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int total_pages = get_database_page_count(database);
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if (!threshold)
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threshold = DATABASE_FREE_PAGES_THRESHOLD_PC;
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if (!vacuum_pc)
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vacuum_pc = DATABASE_FREE_PAGES_VACUUM_PC;
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if (free_pages > (total_pages * threshold / 100)) {
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int do_free_pages = (int) (free_pages * vacuum_pc / 100);
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netdata_log_info("%s: Freeing %d database pages", db_alias, do_free_pages);
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char sql[128];
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snprintfz(sql, 127, "PRAGMA incremental_vacuum(%d)", do_free_pages);
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(void) db_execute(database, sql);
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}
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}
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void run_metadata_cleanup(struct metadata_wc *wc)
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{
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if (unlikely(metadata_flag_check(wc, METADATA_FLAG_SHUTDOWN)))
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@ -1161,18 +1184,7 @@ void run_metadata_cleanup(struct metadata_wc *wc)
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if (unlikely(metadata_flag_check(wc, METADATA_FLAG_SHUTDOWN)))
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return;
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int free_pages = get_free_page_count(db_meta);
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int total_pages = get_database_page_count(db_meta);
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if (free_pages > (total_pages * METADATA_FREE_PAGES_THRESHOLD_PC / 100)) {
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int do_free_pages = (int) (free_pages * METADATA_FREE_PAGES_VACUUM_PC / 100);
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netdata_log_info("METADATA: Freeing %d database pages", do_free_pages);
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char sql[128];
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snprintfz(sql, 127, "PRAGMA incremental_vacuum(%d)", do_free_pages);
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(void) db_execute(db_meta, sql);
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}
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vacuum_database(db_meta, "METADATA", DATABASE_FREE_PAGES_THRESHOLD_PC, DATABASE_FREE_PAGES_VACUUM_PC);
|
||||
|
||||
(void) sqlite3_wal_checkpoint(db_meta, NULL);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -17,6 +17,7 @@ void metaqueue_host_update_info(RRDHOST *host);
|
|||
void metaqueue_ml_load_models(RRDDIM *rd);
|
||||
void migrate_localhost(uuid_t *host_uuid);
|
||||
void metadata_queue_load_host_context(RRDHOST *host);
|
||||
void vacuum_database(sqlite3 *database, const char *db_alias, int threshold, int vacuum_pc);
|
||||
|
||||
// UNIT TEST
|
||||
int metadata_unittest(void);
|
||||
|
|
|
|||
22
ml/ml.cc
22
ml/ml.cc
|
|
@ -9,6 +9,8 @@
|
|||
#include "ad_charts.h"
|
||||
#include "database/sqlite/sqlite3.h"
|
||||
|
||||
#define ML_METADATA_VERSION 2
|
||||
|
||||
#define WORKER_TRAIN_QUEUE_POP 0
|
||||
#define WORKER_TRAIN_ACQUIRE_DIMENSION 1
|
||||
#define WORKER_TRAIN_QUERY 2
|
||||
|
|
@ -1625,6 +1627,8 @@ static void ml_flush_pending_models(ml_training_thread_t *training_thread) {
|
|||
training_thread->num_models_to_prune += training_thread->pending_model_info.size();
|
||||
}
|
||||
|
||||
vacuum_database(db, "ML", 0, 0);
|
||||
|
||||
training_thread->pending_model_info.clear();
|
||||
}
|
||||
|
||||
|
|
@ -1777,14 +1781,22 @@ void ml_init()
|
|||
|
||||
// create table
|
||||
if (db) {
|
||||
char *err = NULL;
|
||||
int rc = sqlite3_exec(db, db_models_create_table, NULL, NULL, &err);
|
||||
if (rc != SQLITE_OK) {
|
||||
error_report("Failed to create models table (%s, %s)", sqlite3_errstr(rc), err ? err : "");
|
||||
int target_version = perform_ml_database_migration(db, ML_METADATA_VERSION);
|
||||
if (configure_sqlite_database(db, target_version)) {
|
||||
error_report("Failed to setup ML database");
|
||||
sqlite3_close(db);
|
||||
sqlite3_free(err);
|
||||
db = NULL;
|
||||
}
|
||||
else {
|
||||
char *err = NULL;
|
||||
int rc = sqlite3_exec(db, db_models_create_table, NULL, NULL, &err);
|
||||
if (rc != SQLITE_OK) {
|
||||
error_report("Failed to create models table (%s, %s)", sqlite3_errstr(rc), err ? err : "");
|
||||
sqlite3_close(db);
|
||||
sqlite3_free(err);
|
||||
db = NULL;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
1
ml/ml.h
1
ml/ml.h
|
|
@ -9,6 +9,7 @@ extern "C" {
|
|||
|
||||
#include "daemon/common.h"
|
||||
#include "web/api/queries/rrdr.h"
|
||||
#include "database/sqlite/sqlite_db_migration.h"
|
||||
|
||||
bool ml_capable();
|
||||
bool ml_enabled(RRDHOST *rh);
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue