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https://issues.apache.org/jira/browse/HBASE-27686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17701962#comment-17701962
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Hudson commented on HBASE-27686:
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Results for branch master
[build #798 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/798/]:
(/) *{color:green}+1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/798/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/798/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/798/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> Recovery of BucketCache and Prefetched data after RS Crash
> ----------------------------------------------------------
>
> Key: HBASE-27686
> URL: https://issues.apache.org/jira/browse/HBASE-27686
> Project: HBase
> Issue Type: Improvement
> Components: BucketCache
> Reporter: Shanmukha Haripriya Kota
> Assignee: Shanmukha Haripriya Kota
> Priority: Major
>
> HBASE-27313 introduced the ability to persist a list of hfiles for which
> prefetch has already been completed, so the we can avoid prefetching those
> files again in the event of a graceful restart, but it doesn't cover crash
> scenarios, as if the RS is killed or abnormally stopped, the list wouldn't be
> saved.
> This change aims to persist the list of already prefetched from a background
> thread that periodically checks cache state and persists the list if updates
> have happened.
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