Alexander Belyak created IGNITE-15472:
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Summary: MetaStorage.iterate not thread safe with delete
Key: IGNITE-15472
URL: https://issues.apache.org/jira/browse/IGNITE-15472
Project: Ignite
Issue Type: Bug
Components: persistence
Reporter: Alexander Belyak
Got exception while iterating {color:#000000}ReadWriteMetastorage:{color}
{code:java}
// [2021-09-08
12:41:24,762][ERROR][stat-mgmt-#147%stat.StatisticsGlobalViewPersistenceTest0%][IgniteStatisticsConfigurationManager]
Unexpected error on check local statisticsjava.lang.AssertionError: itemId=2,
directCnt=2, indirectCnt=0, page=0001000100000048 [496, 1696][][free=1638] at
org.apache.ignite.internal.processors.cache.persistence.tree.io.AbstractDataPageIO.getDataOffset(AbstractDataPageIO.java:582)
at
org.apache.ignite.internal.processors.cache.persistence.tree.io.AbstractDataPageIO.readPayload(AbstractDataPageIO.java:626)
at
org.apache.ignite.internal.processors.cache.persistence.partstorage.PartitionMetaStorageImpl.readRow(PartitionMetaStorageImpl.java:107)
at
org.apache.ignite.internal.processors.cache.persistence.metastorage.MetaStorage.iterate(MetaStorage.java:363)
at
org.apache.ignite.internal.processors.query.stat.IgniteStatisticsPersistenceStoreImpl.iterateMeta(IgniteStatisticsPersistenceStoreImpl.java:659)
at
org.apache.ignite.internal.processors.query.stat.IgniteStatisticsPersistenceStoreImpl.getLocalPartitionsStatistics(IgniteStatisticsPersistenceStoreImpl.java:370)
at
org.apache.ignite.internal.processors.query.stat.IgniteStatisticsRepository.getLocalPartitionsStatistics(IgniteStatisticsRepository.java:239)
(edited)
{code}
There is probability of parallel deletion of the same keys.
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