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stack commented on HBASE-20236:
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Attached latest (after HBASE-20780). [^2.0623.111354.lock.svg]
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stack commented on HBASE-20236:
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So, MutableSegment locking has been cleaned up in HBASE-20411. The fast
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stack commented on HBASE-20236:
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I moved the MutableSegment locking to its own issue, HBASE-20411
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Hadoop QA commented on HBASE-20236:
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| (x) *{color:red}-1 overall{color}* |
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stack commented on HBASE-20236:
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[~eshcar] This showed up in a write-only run where I'm using the default
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stack commented on HBASE-20236:
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Attached no_semaphore_vs_semaphore.png. First run is no semaphore.
Seems
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stack commented on HBASE-20236:
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Hmm... No. Semaphore is slightly faster (3-4%) even though it has this
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stack commented on HBASE-20236:
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I just tried a run where we skip the Semaphore and just go to the queue
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stack commented on HBASE-20236:
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[~eshcar] Thank you. Funny. I was looking at this yesterday. Sorry the doc
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Eshcar Hillel commented on HBASE-20236:
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I can take a look into this.
I see the semaphor used in
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