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https://issues.apache.org/jira/browse/HBASE-23056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16950053#comment-16950053
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Hudson commented on HBASE-23056:
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Results for branch master
[build #1503 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/master/1503/]: (/)
*{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://builds.apache.org/job/HBase%20Nightly/job/master/1503//General_Nightly_Build_Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/master/1503//JDK8_Nightly_Build_Report_(Hadoop2)/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/master/1503//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> Block count is 0 when BucketCache using persistent IOEngine and retrieve from
> file
> -----------------------------------------------------------------------------------
>
> Key: HBASE-23056
> URL: https://issues.apache.org/jira/browse/HBASE-23056
> Project: HBase
> Issue Type: Bug
> Components: BucketCache
> Affects Versions: 1.5.0, 1.4.10, 2.2.1, master
> Reporter: Baiqiang Zhao
> Assignee: Baiqiang Zhao
> Priority: Minor
> Fix For: 3.0.0, 2.3.0, 1.4.11, 1.5.1
>
> Attachments: HBASE-23056-branch-1.0001.patch,
> HBASE-23056.master.0001.patch, after_RS_restart.png, before_RS_restart.png
>
>
> We use FileIOEngine to store and read block data in BucketCache. Before stop
> RS, the BucketCache metrics in WebUI is like before_RS_restart.png, the block
> count is 3. When stop RS, the backing map is persistent to file. And then
> start RS, the metrics is like after_RS_restart.png, the block count is 0, but
> the size of blocks is correct.
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