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Improve the log in Universal Compaction to include more debug information.

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Summary:
Previously, the log for Universal Compaction does not include the current
number of files in case the compaction is triggered by the number of files.
This diff includes the number of files in the log.

Test Plan:
make
This commit is contained in:
Yueh-Hsuan Chiang 2014-10-23 15:40:20 -07:00
parent 720c1c056d
commit 724fba2b39
1 changed files with 2 additions and 2 deletions
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4
db/compaction_picker.cc
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@ -553,8 +553,8 @@ Compaction* UniversalCompactionPicker::PickCompaction(
if ((c = PickCompactionUniversalReadAmp(
mutable_cf_options, version, score, UINT_MAX,
num_files, log_buffer)) != nullptr) {
LogToBuffer(log_buffer, "[%s] Universal: compacting for file num\n",
version->cfd_->GetName().c_str());
LogToBuffer(log_buffer, "[%s] Universal: compacting for file num -- %u\n",
version->cfd_->GetName().c_str(), num_files);
}
}
}