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https://issues.apache.org/jira/browse/HBASE-26295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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chenglei updated HBASE-26295:
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Description: HBASE-21957 reserved a {{BucketEntry}} ctor which has no
{{RefCnt#recycler}}, and when {{BucketCache}} is restored from a persistence
file, it use this no {{RefCnt#recycler}}, {{BucketEntry}} ctor. But from
HBASE-21957, {{BucketEntry}} is freed through {{RefCnt#recycler}} , so this no
{{RefCnt#recycler}} {{BucketEntry}} could not be freed even if corresponding
{{HFileBlock}} is evicted from {{BucketCache}}. (was: HBASE-21957 reserved a
{{BucketEntry}} ctor which has no {{RefCnt#recycler}}, and when {{BucketCache}}
is restored from a persistence file, it use this {{BucketEntry}} ctor.
But from HBASE-21957, {{BucketEntry}} is freed through {{RefCnt#recycler}} , so
this no {{RefCnt#recycler}} {{BucketEntry}} could not be freed even if
corresponding {{HFileBlock}} is evicted from {{BucketCache}}.)
> BucketCache could not free BucketEntry which restored from persistence file
> ---------------------------------------------------------------------------
>
> Key: HBASE-26295
> URL: https://issues.apache.org/jira/browse/HBASE-26295
> Project: HBase
> Issue Type: Bug
> Components: BucketCache
> Affects Versions: 3.0.0-alpha-1, 2.4.6
> Reporter: chenglei
> Assignee: chenglei
> Priority: Major
> Fix For: 2.5.0, 3.0.0-alpha-2, 2.3.7, 2.4.7
>
>
> HBASE-21957 reserved a {{BucketEntry}} ctor which has no {{RefCnt#recycler}},
> and when {{BucketCache}} is restored from a persistence file, it use this no
> {{RefCnt#recycler}}, {{BucketEntry}} ctor. But from HBASE-21957,
> {{BucketEntry}} is freed through {{RefCnt#recycler}} , so this no
> {{RefCnt#recycler}} {{BucketEntry}} could not be freed even if corresponding
> {{HFileBlock}} is evicted from {{BucketCache}}.
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