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Code Issues Packages Projects Releases Wiki Activity

refactor: consolidate database pools (#9105)

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# Which Problems Are Solved

Zitadel currently uses 3 database pool, 1 for queries, 1 for pushing
events and 1 for scheduled projection updates. This defeats the purpose
of a connection pool which already handles multiple connections.

During load tests we found that the current structure of connection
pools consumes a lot of database resources. The resource usage dropped
after we reduced the amount of database pools to 1 because existing
connections can be used more efficiently.

# How the Problems Are Solved

Removed logic to handle multiple connection pools and use a single one.

# Additional Changes

none

# Additional Context

part of https://github.com/zitadel/zitadel/issues/8352
This commit is contained in:
Silvan
2025-01-16 12:07:18 +01:00
committed by GitHub
parent 07f74730ac
commit 4645045987
21 changed files with 104 additions and 564 deletions
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95
cmd/setup/setup.go
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@@ -26,7 +26,6 @@ import (
"github.com/zitadel/zitadel/internal/command"
cryptoDB "github.com/zitadel/zitadel/internal/crypto/database"
"github.com/zitadel/zitadel/internal/database"
"github.com/zitadel/zitadel/internal/database/dialect"
"github.com/zitadel/zitadel/internal/domain"
"github.com/zitadel/zitadel/internal/eventstore"
old_es "github.com/zitadel/zitadel/internal/eventstore/repository/sql"
@@ -102,26 +101,22 @@ func Setup(ctx context.Context, config *Config, steps *Steps, masterKey string)
i18n.MustLoadSupportedLanguagesFromDir()
queryDBClient, err := database.Connect(config.Database, false, dialect.DBPurposeQuery)
logging.OnError(err).Fatal("unable to connect to database")
esPusherDBClient, err := database.Connect(config.Database, false, dialect.DBPurposeEventPusher)
logging.OnError(err).Fatal("unable to connect to database")
projectionDBClient, err := database.Connect(config.Database, false, dialect.DBPurposeProjectionSpooler)
dbClient, err := database.Connect(config.Database, false)
logging.OnError(err).Fatal("unable to connect to database")
config.Eventstore.Querier = old_es.NewCRDB(queryDBClient)
esV3 := new_es.NewEventstore(esPusherDBClient)
config.Eventstore.Querier = old_es.NewCRDB(dbClient)
esV3 := new_es.NewEventstore(dbClient)
config.Eventstore.Pusher = esV3
config.Eventstore.Searcher = esV3
eventstoreClient := eventstore.NewEventstore(config.Eventstore)
logging.OnError(err).Fatal("unable to start eventstore")
eventstoreV4 := es_v4.NewEventstoreFromOne(es_v4_pg.New(queryDBClient, &es_v4_pg.Config{
eventstoreV4 := es_v4.NewEventstoreFromOne(es_v4_pg.New(dbClient, &es_v4_pg.Config{
MaxRetries: config.Eventstore.MaxRetries,
}))
steps.s1ProjectionTable = &ProjectionTable{dbClient: queryDBClient.DB}
steps.s2AssetsTable = &AssetTable{dbClient: queryDBClient.DB}
steps.s1ProjectionTable = &ProjectionTable{dbClient: dbClient.DB}
steps.s2AssetsTable = &AssetTable{dbClient: dbClient.DB}
steps.FirstInstance.Skip = config.ForMirror || steps.FirstInstance.Skip
steps.FirstInstance.instanceSetup = config.DefaultInstance
@@ -129,7 +124,7 @@ func Setup(ctx context.Context, config *Config, steps *Steps, masterKey string)
steps.FirstInstance.smtpEncryptionKey = config.EncryptionKeys.SMTP
steps.FirstInstance.oidcEncryptionKey = config.EncryptionKeys.OIDC
steps.FirstInstance.masterKey = masterKey
steps.FirstInstance.db = queryDBClient
steps.FirstInstance.db = dbClient
steps.FirstInstance.es = eventstoreClient
steps.FirstInstance.defaults = config.SystemDefaults
steps.FirstInstance.zitadelRoles = config.InternalAuthZ.RolePermissionMappings
@@ -137,46 +132,46 @@ func Setup(ctx context.Context, config *Config, steps *Steps, masterKey string)
steps.FirstInstance.externalSecure = config.ExternalSecure
steps.FirstInstance.externalPort = config.ExternalPort
steps.s5LastFailed = &LastFailed{dbClient: queryDBClient.DB}
steps.s6OwnerRemoveColumns = &OwnerRemoveColumns{dbClient: queryDBClient.DB}
steps.s7LogstoreTables = &LogstoreTables{dbClient: queryDBClient.DB, username: config.Database.Username(), dbType: config.Database.Type()}
steps.s8AuthTokens = &AuthTokenIndexes{dbClient: queryDBClient}
steps.CorrectCreationDate.dbClient = esPusherDBClient
steps.s12AddOTPColumns = &AddOTPColumns{dbClient: queryDBClient}
steps.s13FixQuotaProjection = &FixQuotaConstraints{dbClient: queryDBClient}
steps.s14NewEventsTable = &NewEventsTable{dbClient: esPusherDBClient}
steps.s15CurrentStates = &CurrentProjectionState{dbClient: queryDBClient}
steps.s16UniqueConstraintsLower = &UniqueConstraintToLower{dbClient: queryDBClient}
steps.s17AddOffsetToUniqueConstraints = &AddOffsetToCurrentStates{dbClient: queryDBClient}
steps.s18AddLowerFieldsToLoginNames = &AddLowerFieldsToLoginNames{dbClient: queryDBClient}
steps.s19AddCurrentStatesIndex = &AddCurrentSequencesIndex{dbClient: queryDBClient}
steps.s20AddByUserSessionIndex = &AddByUserIndexToSession{dbClient: queryDBClient}
steps.s21AddBlockFieldToLimits = &AddBlockFieldToLimits{dbClient: queryDBClient}
steps.s22ActiveInstancesIndex = &ActiveInstanceEvents{dbClient: queryDBClient}
steps.s23CorrectGlobalUniqueConstraints = &CorrectGlobalUniqueConstraints{dbClient: esPusherDBClient}
steps.s24AddActorToAuthTokens = &AddActorToAuthTokens{dbClient: queryDBClient}
steps.s25User11AddLowerFieldsToVerifiedEmail = &User11AddLowerFieldsToVerifiedEmail{dbClient: esPusherDBClient}
steps.s26AuthUsers3 = &AuthUsers3{dbClient: esPusherDBClient}
steps.s27IDPTemplate6SAMLNameIDFormat = &IDPTemplate6SAMLNameIDFormat{dbClient: esPusherDBClient}
steps.s28AddFieldTable = &AddFieldTable{dbClient: esPusherDBClient}
steps.s5LastFailed = &LastFailed{dbClient: dbClient.DB}
steps.s6OwnerRemoveColumns = &OwnerRemoveColumns{dbClient: dbClient.DB}
steps.s7LogstoreTables = &LogstoreTables{dbClient: dbClient.DB, username: config.Database.Username(), dbType: config.Database.Type()}
steps.s8AuthTokens = &AuthTokenIndexes{dbClient: dbClient}
steps.CorrectCreationDate.dbClient = dbClient
steps.s12AddOTPColumns = &AddOTPColumns{dbClient: dbClient}
steps.s13FixQuotaProjection = &FixQuotaConstraints{dbClient: dbClient}
steps.s14NewEventsTable = &NewEventsTable{dbClient: dbClient}
steps.s15CurrentStates = &CurrentProjectionState{dbClient: dbClient}
steps.s16UniqueConstraintsLower = &UniqueConstraintToLower{dbClient: dbClient}
steps.s17AddOffsetToUniqueConstraints = &AddOffsetToCurrentStates{dbClient: dbClient}
steps.s18AddLowerFieldsToLoginNames = &AddLowerFieldsToLoginNames{dbClient: dbClient}
steps.s19AddCurrentStatesIndex = &AddCurrentSequencesIndex{dbClient: dbClient}
steps.s20AddByUserSessionIndex = &AddByUserIndexToSession{dbClient: dbClient}
steps.s21AddBlockFieldToLimits = &AddBlockFieldToLimits{dbClient: dbClient}
steps.s22ActiveInstancesIndex = &ActiveInstanceEvents{dbClient: dbClient}
steps.s23CorrectGlobalUniqueConstraints = &CorrectGlobalUniqueConstraints{dbClient: dbClient}
steps.s24AddActorToAuthTokens = &AddActorToAuthTokens{dbClient: dbClient}
steps.s25User11AddLowerFieldsToVerifiedEmail = &User11AddLowerFieldsToVerifiedEmail{dbClient: dbClient}
steps.s26AuthUsers3 = &AuthUsers3{dbClient: dbClient}
steps.s27IDPTemplate6SAMLNameIDFormat = &IDPTemplate6SAMLNameIDFormat{dbClient: dbClient}
steps.s28AddFieldTable = &AddFieldTable{dbClient: dbClient}
steps.s29FillFieldsForProjectGrant = &FillFieldsForProjectGrant{eventstore: eventstoreClient}
steps.s30FillFieldsForOrgDomainVerified = &FillFieldsForOrgDomainVerified{eventstore: eventstoreClient}
steps.s31AddAggregateIndexToFields = &AddAggregateIndexToFields{dbClient: esPusherDBClient}
steps.s32AddAuthSessionID = &AddAuthSessionID{dbClient: esPusherDBClient}
steps.s33SMSConfigs3TwilioAddVerifyServiceSid = &SMSConfigs3TwilioAddVerifyServiceSid{dbClient: esPusherDBClient}
steps.s34AddCacheSchema = &AddCacheSchema{dbClient: queryDBClient}
steps.s35AddPositionToIndexEsWm = &AddPositionToIndexEsWm{dbClient: esPusherDBClient}
steps.s36FillV2Milestones = &FillV3Milestones{dbClient: queryDBClient, eventstore: eventstoreClient}
steps.s37Apps7OIDConfigsBackChannelLogoutURI = &Apps7OIDConfigsBackChannelLogoutURI{dbClient: esPusherDBClient}
steps.s38BackChannelLogoutNotificationStart = &BackChannelLogoutNotificationStart{dbClient: esPusherDBClient, esClient: eventstoreClient}
steps.s40InitPushFunc = &InitPushFunc{dbClient: esPusherDBClient}
steps.s42Apps7OIDCConfigsLoginVersion = &Apps7OIDCConfigsLoginVersion{dbClient: esPusherDBClient}
steps.s43CreateFieldsDomainIndex = &CreateFieldsDomainIndex{dbClient: queryDBClient}
steps.s44ReplaceCurrentSequencesIndex = &ReplaceCurrentSequencesIndex{dbClient: esPusherDBClient}
steps.s31AddAggregateIndexToFields = &AddAggregateIndexToFields{dbClient: dbClient}
steps.s32AddAuthSessionID = &AddAuthSessionID{dbClient: dbClient}
steps.s33SMSConfigs3TwilioAddVerifyServiceSid = &SMSConfigs3TwilioAddVerifyServiceSid{dbClient: dbClient}
steps.s34AddCacheSchema = &AddCacheSchema{dbClient: dbClient}
steps.s35AddPositionToIndexEsWm = &AddPositionToIndexEsWm{dbClient: dbClient}
steps.s36FillV2Milestones = &FillV3Milestones{dbClient: dbClient, eventstore: eventstoreClient}
steps.s37Apps7OIDConfigsBackChannelLogoutURI = &Apps7OIDConfigsBackChannelLogoutURI{dbClient: dbClient}
steps.s38BackChannelLogoutNotificationStart = &BackChannelLogoutNotificationStart{dbClient: dbClient, esClient: eventstoreClient}
steps.s40InitPushFunc = &InitPushFunc{dbClient: dbClient}
steps.s42Apps7OIDCConfigsLoginVersion = &Apps7OIDCConfigsLoginVersion{dbClient: dbClient}
steps.s43CreateFieldsDomainIndex = &CreateFieldsDomainIndex{dbClient: dbClient}
steps.s44ReplaceCurrentSequencesIndex = &ReplaceCurrentSequencesIndex{dbClient: dbClient}
steps.s45CorrectProjectOwners = &CorrectProjectOwners{eventstore: eventstoreClient}
steps.s46InitPermissionFunctions = &InitPermissionFunctions{eventstoreClient: esPusherDBClient}
steps.s46InitPermissionFunctions = &InitPermissionFunctions{eventstoreClient: dbClient}
err = projection.Create(ctx, projectionDBClient, eventstoreClient, config.Projections, nil, nil, nil)
err = projection.Create(ctx, dbClient, eventstoreClient, config.Projections, nil, nil, nil)
logging.OnError(err).Fatal("unable to start projections")
repeatableSteps := []migration.RepeatableMigration{
@@ -264,8 +259,8 @@ func Setup(ctx context.Context, config *Config, steps *Steps, masterKey string)
ctx,
eventstoreClient,
eventstoreV4,
queryDBClient,
projectionDBClient,
dbClient,
dbClient,
masterKey,
config,
)