andreacavalli/rocksdb
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Update statistics only if needed.

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Summary:
Update statistics only if needed.

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This commit is contained in:
Dhruba Borthakur 2013-07-09 16:17:00 -07:00
parent 7cb8d462d5
commit 289efe9922
1 changed files with 4 additions and 2 deletions
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6
db/version_set.cc
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@ -2169,8 +2169,10 @@ Compaction* VersionSet::PickCompactionUniversal(int level, double score) {
}
// update statistics
options_->statistics->measureTime(NUM_FILES_IN_SINGLE_COMPACTION,
c->inputs_[0].size());
if (options_->statistics != nullptr) {
options_->statistics->measureTime(NUM_FILES_IN_SINGLE_COMPACTION,
c->inputs_[0].size());
}
c->input_version_ = current_;
c->input_version_->Ref();