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arangodb/arangod/MMFiles
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Jan Christoph Uhde 06cb81be3d Bug fix 3.4/little weekend fix (#10526) 
* create arena before using it

* try to avoid oom situation
 		2019-11-26 10:13:52 +01:00
..
CMakeLists.txt yet more micro optimizations (#7399) 2018-11-21 17:09:16 +01:00
MMFilesAllocatorThread.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesAllocatorThread.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesCleanupThread.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesCleanupThread.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesCollection.cpp Bug fix 3.4/cleanup 31032019 (#8633) 2019-04-01 17:02:00 +02:00
MMFilesCollection.h don't run compact() on a collection after a truncate() was done in the same transaction (#8471) 2019-03-20 17:44:06 +01:00
MMFilesCollectionExport.cpp Bug fix 3.4/replication fuzz debugging (#8668) 2019-04-03 11:43:36 +02:00
MMFilesCollectionExport.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesCollectionKeys.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesCollectionKeys.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesCollectionWriteLocker.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesCollectorCache.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesCollectorThread.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesCollectorThread.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesCompactionFeature.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesCompactionFeature.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesCompactionLocker.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesCompactorThread.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesCompactorThread.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesDatafile.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesDatafile.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesDatafileHelper.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesDatafileStatistics.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesDatafileStatistics.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesDatafileStatisticsContainer.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesDatafileStatisticsContainer.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesDitch.cpp Bug fix 3.4/address jenkins fails (#7985) 2019-01-22 12:32:17 +01:00
MMFilesDitch.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesDocumentOperation.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesDocumentOperation.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesDocumentPosition.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesEdgeIndex.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesEdgeIndex.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesEngine.cpp [3.4] Bug fix 3.4/add shard id to replication client identifier (#9466) 2019-09-11 12:45:57 +03:00
MMFilesEngine.h [3.4] Minimize unnecessary dropping of followers due to poorly set synchronous replication timeouts (#9811) 2019-08-27 11:45:37 +03:00
MMFilesExportCursor.cpp Bug fix 3.4/scheduler empty reformat (#7872) 2019-01-08 20:39:42 +01:00
MMFilesExportCursor.h Bug fix 3.4/scheduler empty reformat (#7872) 2019-01-08 20:39:42 +01:00
MMFilesFulltextIndex.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesFulltextIndex.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesGeoIndex.cpp Pregel various fixes (#8879) 2019-05-07 09:53:18 +02:00
MMFilesGeoIndex.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesHashIndex.cpp Bug fix 3.4/little weekend fix (#10526) 2019-11-26 10:13:52 +01:00
MMFilesHashIndex.h Bug fix 3.4/little weekend fix (#10526) 2019-11-26 10:13:52 +01:00
MMFilesIncrementalSync.h [3.4] Bug fix 3.4/add shard id to replication client identifier (#9466) 2019-09-11 12:45:57 +03:00
MMFilesIndex.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesIndexElement.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesIndexElement.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesIndexFactory.cpp Remove USE_IRESEARCH definition and usage (#8612) 2019-03-28 17:22:11 +01:00
MMFilesIndexFactory.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesIndexLookupContext.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesIndexLookupContext.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesLogfileManager.cpp Bug fix 3.4/cleanup 31032019 (#8633) 2019-04-01 17:02:00 +02:00
MMFilesLogfileManager.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesOptimizerRules.cpp Remove USE_IRESEARCH definition and usage (#8612) 2019-03-28 17:22:11 +01:00
MMFilesOptimizerRules.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesPathBasedIndex.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesPathBasedIndex.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesPersistentIndex.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesPersistentIndex.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesPersistentIndexFeature.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesPersistentIndexFeature.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesPersistentIndexKeyComparator.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesPersistentIndexKeyComparator.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesPrimaryIndex.cpp Bug fix 3.4/little weekend fix (#10526) 2019-11-26 10:13:52 +01:00
MMFilesPrimaryIndex.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesRemoverThread.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesRemoverThread.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesRestCollectionHandler.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesRestCollectionHandler.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesRestExportHandler.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesRestExportHandler.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesRestHandlers.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesRestHandlers.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesRestReplicationHandler.cpp [3.4] Bug fix 3.4/add shard id to replication client identifier (#9466) 2019-09-11 12:45:57 +03:00
MMFilesRestReplicationHandler.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesRestWalHandler.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesRestWalHandler.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesRevisionsCache.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesRevisionsCache.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesSkiplist.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesSkiplistIndex.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesSkiplistIndex.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesSynchronizerThread.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesSynchronizerThread.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesTransactionCollection.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesTransactionCollection.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesTransactionContextData.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesTransactionContextData.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesTransactionManager.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesTransactionManager.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesTransactionState.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesTransactionState.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesV8Functions.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesV8Functions.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesWalAccess.cpp various replication improvements (#8300) 2019-03-11 13:07:43 +01:00
MMFilesWalAccess.h various replication improvements (#8300) 2019-03-11 13:07:43 +01:00
MMFilesWalLogfile.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesWalLogfile.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesWalMarker.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesWalRecoverState.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesWalRecoverState.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesWalRecoveryFeature.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesWalRecoveryFeature.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesWalSlot.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesWalSlot.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesWalSlots.cpp big reformat 2018-12-26 00:57:05 +01:00
MMFilesWalSlots.h big reformat 2018-12-26 00:57:05 +01:00
MMFilesWalSyncRegion.h big reformat 2018-12-26 00:57:05 +01:00
README.md remove transferMarkers from StorageEngine.h 2017-02-21 16:00:37 +01:00
mmfiles-fulltext-common.h move replication-dump into engine 2017-03-21 13:55:57 +01:00
mmfiles-fulltext-index.cpp big reformat 2018-12-26 00:57:05 +01:00
mmfiles-fulltext-index.h big reformat 2018-12-26 00:57:05 +01:00
mmfiles-fulltext-list.cpp big reformat 2018-12-26 00:57:05 +01:00
mmfiles-fulltext-list.h big reformat 2018-12-26 00:57:05 +01:00
mmfiles-fulltext-query.cpp big reformat 2018-12-26 00:57:05 +01:00
mmfiles-fulltext-query.h big reformat 2018-12-26 00:57:05 +01:00
mmfiles-replication-common.cpp big reformat 2018-12-26 00:57:05 +01:00
mmfiles-replication-common.h big reformat 2018-12-26 00:57:05 +01:00
mmfiles-replication-dump.cpp Sync Foxx Queues (#8254) 2019-02-25 17:16:26 +01:00
mmfiles-replication-dump.h big reformat 2018-12-26 00:57:05 +01:00

README.md

MMFilesEngine

How operations are stored - Overview

All operations like insert or remove are written as markers to a write ahead log (WAL). This WAL consists of files of a certain size and if such a file is full (or is manually flushed), all relevant markers are transferred (transferMarkers()) to the journals of the respective collections. During the transfer any obsolete markers will be thrown away: a sequence of insert, remove, insert on the same document will result in the last insert discarding the previous operations. When a journal file of size (journalSize()) is full, it will be sealed and renamed. By applying these operations it will become a datafile that is read-only. Datafiles will eventually be merged by a compactor thread that does about the same work as the transferMarkers function, reducing the size of the stored data.

Ditches

Ditches are used to pin objects in WAL or journal as long as they are used by other operations.