[jira] [Commented] (KUDU-1736) kudu crash in debug build: unordered undo delta

["Mike Percy (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KUDU-1736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15895385#comment-15895385 ] 

Mike Percy commented on KUDU-1736:
----------------------------------

I think I saw this on Jenkins again, now triggered by the additional validation I added a few weeks ago:

{code}

delta_tracker.cc:208] Check failed: first_copy->delta_stats().min_timestamp() >= second_copy->delta_stats().min_timestamp() (2931 vs. 2932) Found out-of-order deltas: [{1644469961406533227 (ts range=[2931, 3022], delete_count=[0], reinsert_count=[0], update_counts_by_col_id=[12:9))}, {1644469961406533202 (ts range=[2932, 2941], delete_count=[0], reinsert_count=[0], update_counts_by_col_id=[12:10))}]: type = 1
    @     0x7f6832bfcc37 gsignal at ??:0
    @     0x7f6832c00028 abort at ??:0
    @     0x7f68385bf492 kudu::tablet::DeltaTracker::ValidateDeltaOrder() at ??:0
    @     0x7f68385bfc79 kudu::tablet::DeltaTracker::AtomicUpdateStores() at ??:0
    @     0x7f68385b150f kudu::tablet::MajorDeltaCompaction::UpdateDeltaTracker() at ??:0
    @     0x7f6838530c2b kudu::tablet::DiskRowSet::MajorCompactDeltaStoresWithColumnIds() at ??:0
    @     0x7f683853060e kudu::tablet::DiskRowSet::MajorCompactDeltaStores() at ??:0
    @     0x7f683849498f kudu::tablet::Tablet::CompactWorstDeltas() at ??:0
    @           0x495eaa kudu::tablet::MultiThreadedTabletTest<>::CompactDeltas() at /home/jenkins-slave/workspace/kudu-master/0/src/kudu/tablet/mt-tablet-test.cc:307
    @           0x47fe9e kudu::tablet::MultiThreadedTabletTest<>::MajorCompactDeltasThread() at /home/jenkins-slave/workspace/kudu-master/0/src/kudu/tablet/mt-tablet-test.cc:301
    @           0x4a7371 boost::_mfi::mf1<>::operator()() at /home/jenkins-slave/workspace/kudu-master/0/thirdparty/installed/uninstrumented/include/boost/bind/mem_fn_template.hpp:166 (discriminator 3)
    @           0x4a6989 boost::_bi::list2<>::operator()<>() at /home/jenkins-slave/workspace/kudu-master/0/thirdparty/installed/uninstrumented/include/boost/bind/bind.hpp:320
    @           0x4a5f1d boost::_bi::bind_t<>::operator()() at /home/jenkins-slave/workspace/kudu-master/0/thirdparty/installed/uninstrumented/include/boost/bind/bind.hpp:1223
    @           0x4a5890 boost::detail::function::void_function_obj_invoker0<>::invoke() at /home/jenkins-slave/workspace/kudu-master/0/thirdparty/installed/uninstrumented/include/boost/function/function_template.hpp:160
    @     0x7f6834855874 boost::function0<>::operator()() at ??:0
    @     0x7f68348a5239 kudu::Thread::SuperviseThread() at ??:0
    @     0x7f68322e5184 start_thread at ??:0
    @     0x7f6832cc037d clone at ??:0
{code}

> kudu crash in debug build: unordered undo delta
> -----------------------------------------------
>
>                 Key: KUDU-1736
>                 URL: https://issues.apache.org/jira/browse/KUDU-1736
>             Project: Kudu
>          Issue Type: Bug
>            Reporter: zhangsong
>
> in jd cluster we met kudu-tserver crash with fatal messages described as follow:
> Check failed: last_key_.CompareTo<UNDO>(key) <= 0 must insert undo deltas in sorted order (ascending key, then descending ts): got key (row 1422@tx6052042821982183424) after (row 1422@tx6052042821953155072)
> This is a dcheck which should not failed.



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