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Cleanup of ThreadStatusUtil structures should use the DB's reference

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Summary:
instead of thread_local

The cleanup path for the rocksdb database might not have the
thread_updater_local_cache_ pointer initialized because the thread
executing the cleanup is likely not a rocksdb thread. This results in a
memory leak detected by Valgrind. The cleanup code path should use the
thread_status_updater pointer obtained from the DB object instead of a
thread local one.
Closes https://github.com/facebook/rocksdb/pull/2059

Differential Revision: D4801611

Pulled By: hermanlee

fbshipit-source-id: 407d7de
This commit is contained in:
Herman Lee 2017-03-30 10:31:26 -07:00 committed by Facebook Github Bot
parent f3607640a6
commit 58179ec4a6
1 changed files with 3 additions and 2 deletions
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5
util/thread_status_util.cc
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@ -144,10 +144,11 @@ void ThreadStatusUtil::EraseColumnFamilyInfo(
}
void ThreadStatusUtil::EraseDatabaseInfo(const DB* db) {
if (thread_updater_local_cache_ == nullptr) {
ThreadStatusUpdater* thread_updater = db->GetEnv()->GetThreadStatusUpdater();
if (thread_updater == nullptr) {
return;
}
thread_updater_local_cache_->EraseDatabaseInfo(db);
thread_updater->EraseDatabaseInfo(db);
}
bool ThreadStatusUtil::MaybeInitThreadLocalUpdater(const Env* env) {