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https://issues.apache.org/jira/browse/HBASE-13729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14573753#comment-14573753
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Esteban Gutierrez commented on HBASE-13729:
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Sorry for the delay [~anoop.hbase] I think the easiest thing to do for now is
to unset the values for the new properties on the hbase-default.xml in
branch-1. At least that will give ops a simple transition and keep the memstore
footprint as it was configured on 0.98. Otherwise, ops will have to add a
intermediate step in rolling upgrades to upgrade the confs to use the new
properties or undefine hbase.regionserver.global.memstore.size and
hbase.regionserver.global.memstore.size.lower.limit and make them final.
> Old hbase.regionserver.global.memstore.upperLimit and lowerLimit properties
> are ignored if present
> --------------------------------------------------------------------------------------------------
>
> Key: HBASE-13729
> URL: https://issues.apache.org/jira/browse/HBASE-13729
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 2.0.0, 1.0.1, 1.1.0
> Reporter: Esteban Gutierrez
> Assignee: Esteban Gutierrez
> Priority: Critical
> Attachments:
> 0001-HBASE-13729-Old-hbase.regionserver.global.memstore.u.patch,
> HBASE-13729.2.patch
>
>
> If hbase.regionserver.global.memstore.upperLimit or lowerLimit are present we
> should use them instead of hbase.regionserver.global.memstore.size or
> hbase.regionserver.global.memstore.size.lower.limit respectively. The current
> implementation of HeapMemorySizeUtil.getGlobalMemStorePercent() and
> getGlobalMemStoreLowerMark() asumes that if the new properties are not
> defined then we should use the old configurations, however the new properties
> are defined in hbase-default.xml which makes the old configuration names
> useless and this has a direct impact when doing a rolling upgrade and
> hbase-site.xml hasn't been changed to handle the new property names
> exclusively.
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