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https://issues.apache.org/jira/browse/IGNITE-11242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16763619#comment-16763619
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Ivan Pavlukhin commented on IGNITE-11242:
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[~Artukhov] could you please clarify how many nodes is in cluster? How exactly
data streamer is used, how many threads stream data, from which nodes? Is there
any nodes entering to the cluster during streaming?
> Update counters mismatch after loading data via DataStreamer into
> MVCC-enabled caches
> -------------------------------------------------------------------------------------
>
> Key: IGNITE-11242
> URL: https://issues.apache.org/jira/browse/IGNITE-11242
> Project: Ignite
> Issue Type: Bug
> Components: mvcc, streaming
> Affects Versions: 2.7
> Reporter: Ivan Artukhov
> Assignee: Ivan Pavlukhin
> Priority: Critical
>
> *Steps:*
> Start 1000 caches in 100 cache groups. Caches configuration:
> {code:xml}
> <property name="atomicityMode"
> value="TRANSACTIONAL_SNAPSHOT"/>
> <property name="backups" value="2"/>
> <property name="cacheMode" value="PARTITIONED"/>
> <property name="writeSynchronizationMode"
> value="FULL_SYNC"/>
> <property name="partitionLossPolicy"
> value="READ_WRITE_SAFE"/>
> {code}
> Preload 10000 keys into each cache using DataStreamer
> Run *VerifyBackupPartitionsTaskV2* to check partition inconsistencies between
> hashes or update counters
> *Expected:*
> There are no differences between primary and backup partitions
> *Actual:*
> Two or three *backup* partitions in each cache group have update counters
> which differ from corresponding primary partitions. E.g.:
> {code}
> [2019-02-07 11:04:23,286][INFO ][Task-threadNum-0] Conflict partition:
> PartitionKeyV2 [grpId=-1093321804, grpName=cache_group_100, partId=261]
> [2019-02-07 11:04:23,286][INFO ][Task-threadNum-0] Partition instances:
> [PartitionHashRecordV2 [isPrimary=true, consistentId=id-0, updateCntr=100,
> size=100, partHash=665729765], PartitionHashRecordV2 [isPrimary=false,
> consistentId=id-1, updateCntr=91, size=100, partHash=665729765],
> PartitionHashRecordV2 [isPrimary=false, consistentId=id-2, updateCntr=100,
> size=100, partHash=665729765]]
> {code}
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