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Ted Yu commented on HBASE-14575:
The description from 04/Nov/15 09:00 is mostly accurate:
w.r.t. #4 swap
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stack commented on HBASE-14575:
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bq. The explanation is pretty long. How about putting the explanation in
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stack commented on HBASE-14575:
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bq. Browsed some region server log but didn't find exception related to
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Ted Yu commented on HBASE-14575:
Browsed some region server log but didn't find exception related to
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Ted Yu commented on HBASE-14575:
bq. with description of logging regime
You meant 'locking regime', I
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Devaraj Das commented on HBASE-14575:
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Hmm.. On the unit test, I am not sure it's going to be very
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Hadoop QA commented on HBASE-14575:
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{color:green}+1 overall{color}. Here are the results of testing
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Jerry He commented on HBASE-14575:
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The v6 patch is clean and bold. Based on the discussion in this
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ramkrishna.s.vasudevan commented on HBASE-14575:
bq.However, before compaction selection,
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stack commented on HBASE-14575:
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Can we have more test runs please given weird hanging MR tests.
Is the
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Hadoop QA commented on HBASE-14575:
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{color:green}+1 overall{color}. Here are the results of testing
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Ted Yu commented on HBASE-14575:
Fetching
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Hadoop QA commented on HBASE-14575:
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{color:green}+1 overall{color}. Here are the results of testing
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Ted Yu commented on HBASE-14575:
Ran ITBLL and IntegrationTestBulkLoad with patch v6 on 6 region server
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Ted Yu commented on HBASE-14575:
Patch v6 QA run was clean.
The test failure above is to show what
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Ted Yu commented on HBASE-14575:
>From
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Enis Soztutar commented on HBASE-14575:
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So it the test failure related?
Agreed that the sync on
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Hadoop QA commented on HBASE-14575:
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{color:green}+1 overall{color}. Here are the results of testing
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ramkrishna.s.vasudevan commented on HBASE-14575:
Then it is good. So I don't think you
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ramkrishna.s.vasudevan commented on HBASE-14575:
Am fine with this patch. Just thought of
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Devaraj Das commented on HBASE-14575:
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I am fine with that [~ram_krish]
> Reduce scope of
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Devaraj Das commented on HBASE-14575:
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[~jinghe] yeah from my read of things, seems you are right. So
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Ted Yu commented on HBASE-14575:
In HRegion#doClose():
{code}
writestate.writesEnabled = false;
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Devaraj Das commented on HBASE-14575:
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Don't we need region level write lock to make sure the
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Ted Yu commented on HBASE-14575:
For #4. swap in compacted files, HStore#compact() calls
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Jerry He commented on HBASE-14575:
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bulk load and compaction don't conflict with against each other on
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Enis Soztutar commented on HBASE-14575:
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That test scale is pretty small BTW.
> Reduce scope of
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Ted Yu commented on HBASE-14575:
Thanks for the review, Ram.
Let me think about your suggestion.
I ran
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ramkrishna.s.vasudevan commented on HBASE-14575:
Going thro the code and the patch I
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Ted Yu commented on HBASE-14575:
We are trying to remove / relax the region read lock for compaction.
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Hadoop QA commented on HBASE-14575:
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{color:red}-1 overall{color}. Here are the results of testing the
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stack commented on HBASE-14575:
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You saw my comments [~ted_yu] I repeat main thrust below:
bq. The
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Ted Yu commented on HBASE-14575:
Yes, I did see the above comment.
Preparation of such paragraph is
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Jerry He commented on HBASE-14575:
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There is a complex logic with the writestate in HRegion:
{code}
/*
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Ted Yu commented on HBASE-14575:
In HRegion#doClose(), we have :
{code}
synchronized (writestate) {
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ramkrishna.s.vasudevan commented on HBASE-14575:
bq.readLock.lock(); // hold region open
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ramkrishna.s.vasudevan commented on HBASE-14575:
Thanks Ted. My bad. I missed that. True
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Jerry He commented on HBASE-14575:
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As [~ndimiduk] mentioned, we've been doing a lot of checks for close
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ramkrishna.s.vasudevan commented on HBASE-14575:
Just trying to understand the scope of
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Ted Yu commented on HBASE-14575:
bq. this patch should remove the read lock in the HRegion.compact()
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stack commented on HBASE-14575:
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The original author says of the approach "... I'm not sure if it's
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Ted Yu commented on HBASE-14575:
{code}
[ERROR] Failed to execute goal
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Hadoop QA commented on HBASE-14575:
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{color:green}+1 overall{color}. Here are the results of testing
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Hadoop QA commented on HBASE-14575:
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{color:red}-1 overall{color}. Here are the results of testing the
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Ted Yu commented on HBASE-14575:
Without the lock scope reduction, the test fails with:
{code}
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Hadoop QA commented on HBASE-14575:
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{color:green}+1 overall{color}. Here are the results of testing
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Devaraj Das commented on HBASE-14575:
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[~yuzhih...@gmail.com] what's the patch about?
> Reduce scope
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Ted Yu commented on HBASE-14575:
Looks like Nick is busy.
Patch v1 fixes a few mockito errors in the
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Hadoop QA commented on HBASE-14575:
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{color:red}-1 overall{color}. Here are the results of testing the
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Devaraj Das commented on HBASE-14575:
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[~ndimiduk] wondering if you have any update on the testing on
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Devaraj Das commented on HBASE-14575:
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[~ndimiduk] the change looks easy to reason about, and it'll
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