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Add compaction time to log output

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Summary:
Although compaction time is recorded in the statistics,
it is helpful to include this value in the log output corresponding
to the end of compaction.

Test Plan: make all && make check

Reviewers: yhchiang, sdong, igor, noetzli, MarkCallaghan

Reviewed By: MarkCallaghan

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D47007
This commit is contained in:
Ari Ekmekji 2015-09-15 17:11:44 -07:00
parent 31a27a3606
commit 5ba3297d0d
1 changed files with 3 additions and 2 deletions
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5
db/compaction_job.cc
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@ -542,8 +542,9 @@ Status CompactionJob::Install(const MutableCFOptions& mutable_cf_options,
UpdateCompactionJobStats(stats);
auto stream = event_logger_->LogToBuffer(log_buffer_);
stream << "job" << job_id_ << "event"
<< "compaction_finished"
stream << "job" << job_id_
<< "event" << "compaction_finished"
<< "compaction_time_micros" << compaction_stats_.micros
<< "output_level" << compact_->compaction->output_level()
<< "num_output_files" << compact_->NumOutputFiles()
<< "total_output_size" << compact_->total_bytes