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https://issues.apache.org/jira/browse/HBASE-1189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Erik Holstad updated HBASE-1189:
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Attachment: StaticLoader.java
HbaseMapWritable.java
A new version of the HbaseMapWritable that does not have a static constructor
but implements an
interface that takes care of those static tasks.
> Changing the map type used internally for HbaseMapWritable.
> -------------------------------------------------------------
>
> Key: HBASE-1189
> URL: https://issues.apache.org/jira/browse/HBASE-1189
> Project: Hadoop HBase
> Issue Type: New Feature
> Components: io
> Reporter: Erik Holstad
> Assignee: Erik Holstad
> Priority: Minor
> Attachments: HbaseMapWritable.java, StaticLoader.java
>
>
> For the CellCache the need for a HbaseMapWritable that has a different kind
> of map used internally
> has showed up. The problem is that the instantiation of the map is done
> static so you have no control
> over it and if extending HMW you get both the memory usage for the parent as
> well as the child.
> After trying out different ideas on how to solve this, it seems like the
> easiest way would be to have a setMapType
> method and just set it to null in the code. If the old code would be kept you
> would need to instantiate 2
> different maps. The problem with setting it to null is that all the old code
> needs to be changed to fit the new model,
> and also be used in the future.
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