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https://issues.apache.org/jira/browse/HDFS-14823?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lisheng Sun updated HDFS-14823:
-------------------------------
Description:
When use the ycsb for pressure test of remote read, I found continuous jitter
in hbaseclient read.
Through monitoring indicators, it is found that readNextPacket is always
jittering.
And HBase Client and RegionServer have no gc.
was:
When use the ycsb for pressure test of remote read, I found continuous jitter
in hbaseclient read.
Through monitoring indicators, it is found that readNextPacket is always
jittering.
> BlockReaderRemote#readNextPacket is jittering
> -----------------------------------------------
>
> Key: HDFS-14823
> URL: https://issues.apache.org/jira/browse/HDFS-14823
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.1.0
> Reporter: Lisheng Sun
> Priority: Major
> Attachments: 95-percentile_readAll.png,
> 95-percentile_readNextPacket.png, 99-percentile_readAll.png,
> 99-percentile_readNextPacket.png, CPS-1-min_readAll.png,
> CPS-1-min_readNextPacket.png, regionserver_gc.png, remote_read_qps.png
>
>
> When use the ycsb for pressure test of remote read, I found continuous jitter
> in hbaseclient read.
> Through monitoring indicators, it is found that readNextPacket is always
> jittering.
> And HBase Client and RegionServer have no gc.
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