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Posted to issues-all@impala.apache.org by "Lars Volker (JIRA)" <ji...@apache.org> on 2019/03/14 15:45:00 UTC
[jira] [Resolved] (IMPALA-8264) system-state-info.cc:102] Check
failed: total_tics > 0 (-4294962910 vs. 0)
[ https://issues.apache.org/jira/browse/IMPALA-8264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Lars Volker resolved IMPALA-8264.
---------------------------------
Resolution: Fixed
Fix Version/s: Impala 3.2.0
Yes, apologies for the delay.
> system-state-info.cc:102] Check failed: total_tics > 0 (-4294962910 vs. 0)
> --------------------------------------------------------------------------
>
> Key: IMPALA-8264
> URL: https://issues.apache.org/jira/browse/IMPALA-8264
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 3.2.0
> Reporter: Michael Ho
> Assignee: Lars Volker
> Priority: Critical
> Fix For: Impala 3.2.0
>
>
> When running 64-streams concurrent TPC-DS in debug builds at commit 681b256627e5e569778d4996bbdf530e30c528eb in a 140 node cluster, hit the following DCHECK after close to 14 hours of running.
> {noformat}
> F0228 00:42:35.132514 139036 system-state-info.cc:102] Check failed: total_tics > 0 (-4294962910 vs. 0)
> {noformat}
> {noformat}
> void SystemStateInfo::ComputeCpuRatios() {
> const CpuValues& cur = cpu_values_[cur_val_idx_];
> const CpuValues& old = cpu_values_[1 - cur_val_idx_];
> // Sum up all counters
> int64_t cur_sum = accumulate(cur.begin(), cur.end(), 0);
> int64_t old_sum = accumulate(old.begin(), old.end(), 0);
> int64_t total_tics = cur_sum - old_sum;
> // If less than 1/USER_HZ time has time has passed for any of the counters, the ratio is
> // zero (to avoid dividing by zero).
> if (total_tics == 0) {
> memset(&cpu_ratios_, 0, sizeof(cpu_ratios_));
> return;
> }
> DCHECK_GT(total_tics, 0); <<----
> {noformat}
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