[IGNITE-8975] Invalid initialization of compressed archived WAL segment when WAL compression is switched off.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.5
• Fix Version/s: 2.7
• Assignee: Ivan Daschinsky
• Reporter: Ivan Daschinsky
• Created: 10/Jul/18 14:58
• Updated: 17/Jul/18 13:58
• Resolved: 17/Jul/18 13:55

Description

After restarting node with WAL compression disabled and when compressed wal archive
presentd, current implementation of FileWriteAheadLogManager ignores presenting compressed wal segment and initalizes empty brand new one. This causes following error:

2018-07-05 16:14:25.761 [ERROR][exchange-worker-#153%DPL_GRID%DplGridNodeName%][o.a.i.i.p.c.p.c.CheckpointHistory] Failed to process checkpoint: CheckpointEntry [id=8dc4b1cc-dedd-4a57-8748-f5a7ecfd389d, timestamp=1530785506909, ptr=FileWALPointer [idx=4520, fileOff=860507725, len=691515]]
org.apache.ignite.IgniteCheckedException: Failed to find checkpoint record at the given WAL pointer: FileWALPointer [idx=4520, fileOff=860507725, len=691515]
at org.apache.ignite.internal.processors.cache.persistence.checkpoint.CheckpointEntry$GroupStateLazyStore.initIfNeeded(CheckpointEntry.java:346)
at org.apache.ignite.internal.processors.cache.persistence.checkpoint.CheckpointEntry$GroupStateLazyStore.access$300(CheckpointEntry.java:231)
at org.apache.ignite.internal.processors.cache.persistence.checkpoint.CheckpointEntry.initIfNeeded(CheckpointEntry.java:123)
at org.apache.ignite.internal.processors.cache.persistence.checkpoint.CheckpointEntry.groupState(CheckpointEntry.java:105)
at org.apache.ignite.internal.processors.cache.persistence.checkpoint.CheckpointHistory.isCheckpointApplicableForGroup(CheckpointHistory.java:377)
at org.apache.ignite.internal.processors.cache.persistence.checkpoint.CheckpointHistory.searchAndReserveCheckpoints(CheckpointHistory.java:304)
at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager.reserveHistoryForExchange(GridCacheDatabaseSharedManager.java:1614)
at org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.distributedExchange(GridDhtPartitionsExchangeFuture.java:1139)
at org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.init(GridDhtPartitionsExchangeFuture.java:724)
at org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body0(GridCachePartitionExchangeManager.java:2477)
at org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body(GridCachePartitionExchangeManager.java:2357)
at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:110)
at java.lang.Thread.run(Thread.java:745)

Issue Links

• links to: GitHub Pull Request #4345
• links to: TC build