[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13709870#comment-13709870 ] Lars Hofhansl commented on HBASE-8806: -- Going to commit later today.

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13708525#comment-13708525 ] Lars Hofhansl commented on HBASE-8806: -- Any chance to redo the perf test just for the

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13708607#comment-13708607 ] Hadoop QA commented on HBASE-8806: -- {color:red}-1 overall{color}. Here are the results

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13708587#comment-13708587 ] Hadoop QA commented on HBASE-8806: -- {color:red}-1 overall{color}. Here are the results

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13708835#comment-13708835 ] Lars Hofhansl commented on HBASE-8806: -- Thanks [~davelatham]! I would like to commit

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13709180#comment-13709180 ] Dave Latham commented on HBASE-8806: Sounds good to me. +1 to commit.

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13709435#comment-13709435 ] Lars Hofhansl commented on HBASE-8806: -- Cool. Any objections? I am feeling strangely

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13709452#comment-13709452 ] Anoop Sam John commented on HBASE-8806: --- bq.A consideration is that rather than

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13707896#comment-13707896 ] Lars Hofhansl commented on HBASE-8806: -- [~davelatham] and [~churromorales], is my

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13707897#comment-13707897 ] Lars Hofhansl commented on HBASE-8806: -- Looking at the numbers again this looks like

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13707917#comment-13707917 ] Dave Latham commented on HBASE-8806: [~lhofhansl] Agreed, don't see a reason it should

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13704355#comment-13704355 ] Lars Hofhansl commented on HBASE-8806: -- Looking forward to the perf data. I do not

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13705001#comment-13705001 ] rahul gidwani commented on HBASE-8806: -- Hi Lars, We at flurry have been running with

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13705020#comment-13705020 ] Hadoop QA commented on HBASE-8806: -- {color:red}-1 overall{color}. Here are the results

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13705171#comment-13705171 ] Lars Hofhansl commented on HBASE-8806: -- Hmm... So the normal case is impacted:

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13703824#comment-13703824 ] stack commented on HBASE-8806: -- I'd be +1 on this going into trunk until the reentrant stuff

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13703887#comment-13703887 ] rahul gidwani commented on HBASE-8806: -- Mr. Stack I will run a perf test. Here is

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13701926#comment-13701926 ] Lars Hofhansl commented on HBASE-8806: -- Thanks [~davelatham]. How are we doing on

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13700942#comment-13700942 ] Dave Latham commented on HBASE-8806: Filed HBASE-8877 to track the reentrant approach

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699855#comment-13699855 ] Lars Hofhansl commented on HBASE-8806: -- btw. every now and then the

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699859#comment-13699859 ] Hadoop QA commented on HBASE-8806: -- {color:red}-1 overall{color}. Here are the results

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699867#comment-13699867 ] Lars Hofhansl commented on HBASE-8806: -- Should we commit something like the 0.94

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699872#comment-13699872 ] Hadoop QA commented on HBASE-8806: -- {color:red}-1 overall{color}. Here are the results

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699986#comment-13699986 ] Anoop Sam John commented on HBASE-8806: --- bq.Should we commit something like the 0.94

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=1360#comment-1360 ] Anoop Sam John commented on HBASE-8806: --- For the normal case there will be always a

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13700019#comment-13700019 ] ramkrishna.s.vasudevan commented on HBASE-8806: --- Is it ok if we sort it out

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13700110#comment-13700110 ] Dave Latham commented on HBASE-8806: {quote}The changes in pom.xml are not needed for

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13700197#comment-13700197 ] Lars Hofhansl commented on HBASE-8806: -- [~davelatham] Agreed that in the (usual) case

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13700208#comment-13700208 ] Anoop Sam John commented on HBASE-8806: --- Agree with Dave and Lars. I was just saying

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13700210#comment-13700210 ] Hadoop QA commented on HBASE-8806: -- {color:red}-1 overall{color}. Here are the results

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13700226#comment-13700226 ] Hadoop QA commented on HBASE-8806: -- {color:red}-1 overall{color}. Here are the results

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13698769#comment-13698769 ] Lars Hofhansl commented on HBASE-8806: -- Yeah, the extra byte comparisons required in

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13698803#comment-13698803 ] Hadoop QA commented on HBASE-8806: -- {color:red}-1 overall{color}. Here are the results

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13698811#comment-13698811 ] ramkrishna.s.vasudevan commented on HBASE-8806: --- Patch looks good.

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13698874#comment-13698874 ] Lars Hofhansl commented on HBASE-8806: -- Anoop's patch LGTM. * Should that be

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13698877#comment-13698877 ] Anoop Sam John commented on HBASE-8806: --- bq.•Should that be currentThread().getId()

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699035#comment-13699035 ] Anoop Sam John commented on HBASE-8806: --- I cannot include the same test as it

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699057#comment-13699057 ] Hadoop QA commented on HBASE-8806: -- {color:red}-1 overall{color}. Here are the results

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699077#comment-13699077 ] Dave Latham commented on HBASE-8806: To explain a bit more this patch changes the

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699403#comment-13699403 ] Lars Hofhansl commented on HBASE-8806: -- I think the client side lock issue is solved

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699427#comment-13699427 ] Lars Hofhansl commented on HBASE-8806: -- And, anyway, for 0.94 I'd prefer a more local

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699530#comment-13699530 ] Lars Hofhansl commented on HBASE-8806: -- Specifically, for 0.94 I'd prefer the fix

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699612#comment-13699612 ] Ted Yu commented on HBASE-8806: --- @Dave: The changes in pom.xml are not needed for this fix,

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699619#comment-13699619 ] stack commented on HBASE-8806: -- [~ted_yu] Dave said above (This patch is not from the current

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699634#comment-13699634 ] rahul gidwani commented on HBASE-8806: -- Hey folks, Sorry for the late response.

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699701#comment-13699701 ] Hadoop QA commented on HBASE-8806: -- {color:red}-1 overall{color}. Here are the results

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13699759#comment-13699759 ] Anoop Sam John commented on HBASE-8806: --- We need change all the CP hooks signatures?

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13697841#comment-13697841 ] Lars Hofhansl commented on HBASE-8806: -- [~anoop.hbase] Suggested almost the same

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13697844#comment-13697844 ] Lars Hofhansl commented on HBASE-8806: -- Yet another approach is to sort the KVs

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13697875#comment-13697875 ] Lars Hofhansl commented on HBASE-8806: -- W.r.t. the attached patch, we still need to

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13698534#comment-13698534 ] Anoop Sam John commented on HBASE-8806: --- bq.Yet another approach is to sort the KVs

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13695323#comment-13695323 ] Anoop Sam John commented on HBASE-8806: --- Yes Rahul, I have seen this and because of

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13694888#comment-13694888 ] rahul gidwani commented on HBASE-8806: -- while the logic is not wrong, i agree its not

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13694130#comment-13694130 ] Dave Latham commented on HBASE-8806: A little more background on how this came up.

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13694147#comment-13694147 ] rahul gidwani commented on HBASE-8806: -- I will provide a patch for trunk, no problem.

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13694475#comment-13694475 ] Anoop Sam John commented on HBASE-8806: --- In your use case the fix approach looks

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13694487#comment-13694487 ] Liyin Tang commented on HBASE-8806: --- Is this issue similar as HBASE-6930 ? We solved the

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13694493#comment-13694493 ] Anoop Sam John commented on HBASE-8806: --- At HRegion it will try to acquire the lock

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13694496#comment-13694496 ] Anoop Sam John commented on HBASE-8806: --- [~churromorales] Going through the patch

[jira] [Commented] (HBASE-8806) Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.

[ https://issues.apache.org/jira/browse/HBASE-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13693622#comment-13693622 ] stack commented on HBASE-8806: -- Approach looks good. You keep the hash for the life of the