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https://issues.apache.org/jira/browse/HBASE-20390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eshcar Hillel updated HBASE-20390:
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Release Note:
Changing in-memory compaction (IMC) defaults:
(1) active segment is 1.4% of entire memstore
(hbase.memstore.inmemoryflush.threshold.factor),
(2) number of segments in compaction pipeline is 2
(hbase.hregion.compacting.pipeline.segments.limit)
was:
Changing in-memory compaction (IMC) defaults:
(1) active segment is 2% of entire memstore
(hbase.memstore.inmemoryflush.threshold.factor),
(2) number of segments in compaction pipeline is 2
(hbase.hregion.compacting.pipeline.segments.limit)
> IMC Default Parameters for 2.0.0
> --------------------------------
>
> Key: HBASE-20390
> URL: https://issues.apache.org/jira/browse/HBASE-20390
> Project: HBase
> Issue Type: Sub-task
> Reporter: Eshcar Hillel
> Assignee: Eshcar Hillel
> Priority: Major
> Attachments: HBASE-20390-branch-2.0-01.patch,
> HBASE-20390-branch-2.0-01.patch, HBASE-20390.branch-2.0.002.patch, HBase 2.0
> performance evaluation - throughput SSD_HDD.pdf, hits.ihc.png
>
>
> Setting new default parameters for in-memory compaction based on performance
> tests done in HBASE-20188
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