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https://issues.apache.org/jira/browse/HIVE-17344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Janos Gub reassigned HIVE-17344:
--------------------------------
> LocalCache element memory usage is not calculated properly.
> -----------------------------------------------------------
>
> Key: HIVE-17344
> URL: https://issues.apache.org/jira/browse/HIVE-17344
> Project: Hive
> Issue Type: Bug
> Reporter: Janos Gub
> Assignee: Janos Gub
>
> Orc footer cache has a calculation of memory usage:
> {code:java}
> public int getMemoryUsage() {
> return bb.remaining() + 100; // 100 is for 2 longs, BB and java overheads
> (semi-arbitrary).
> }
> {code}
> ByteBuffer.remaining returns the remaining space in the bytebuffer, thus
> allowing this cache to grow until MAXSIZE/100. I think the correct solution
> would be bb.capacity.
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