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Heng Chen commented on HBASE-16652:
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Increment entry size is stable due to it just one long size,
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Phil Yang commented on HBASE-16652:
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What are the sizes of two WAL.Entry?
> Figure out performance
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Heng Chen commented on HBASE-16652:
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Will be back later.
> Figure out performance difference between
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Duo Zhang commented on HBASE-16652:
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This is in {{reckonDeltasByStore}}
{code:title=HRegion.java}
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Phil Yang commented on HBASE-16652:
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{code}
List currentValues = get(mutation, store, deltas,
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Heng Chen commented on HBASE-16652:
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Let me test it again with cache closed.
> Figure out
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Heng Chen commented on HBASE-16652:
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En The time comes from server-side, it is only 'get' action
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Heng Chen commented on HBASE-16652:
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Sounds reasonable.
> Figure out performance difference between
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Anoop Sam John commented on HBASE-16652:
Increment is a public exposed class and this will change
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Duo Zhang commented on HBASE-16652:
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See ProtobufUtil.toGet and toScan. If TimeRange.isAllTime returns
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Phil Yang commented on HBASE-16652:
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Oh, we have a default TimeRange in Get, too. So the reason that
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Heng Chen commented on HBASE-16652:
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Good question. We could test it, it seems should be faster.
>
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Phil Yang commented on HBASE-16652:
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If I am not wrong, we have a default TimeRange in Scan so the tr
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Heng Chen commented on HBASE-16652:
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Found the reason why 'get' in Increment is slower than append.
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Heng Chen commented on HBASE-16652:
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I add time log about 'get' operation, and do test with pe command,
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Heng Chen commented on HBASE-16652:
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Thanks [~yangzhe1991]. As profile shows, the main difference
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Phil Yang commented on HBASE-16652:
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And there may be an improvement that we can add two Longs bit by
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Phil Yang commented on HBASE-16652:
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In append we use arraycopy to merge the bytes and in increment we
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Heng Chen commented on HBASE-16652:
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Thanks [~allan163]. Increment has one get and one put too
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Allan Yang commented on HBASE-16652:
Though may not related to this jira, I'd like to mention that,
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