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Fix issue #921

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Summary:
See a bug report here: https://github.com/facebook/rocksdb/issues/921
The fix is to not check the shared/ directory if share_table_files is false. We could also check FileExists() before GetChildren(), but that will add extra latency when Env is Hdfs :(

Test Plan: added a unit test

Reviewers: rven, sdong, IslamAbdelRahman, yhchiang, anthony

Reviewed By: anthony

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D52593
This commit is contained in:
Igor Canadi 2016-01-06 13:05:24 -08:00
parent 51adc5457a
commit e541dcc8fa
2 changed files with 32 additions and 20 deletions
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2
utilities/backupable/backupable_db.cc
View File

@ -1344,6 +1344,7 @@ Status BackupEngineImpl::GarbageCollect() {
assert(!read_only_); assert(!read_only_);
Log(options_.info_log, "Starting garbage collection"); Log(options_.info_log, "Starting garbage collection");
if (options_.share_table_files) {
// delete obsolete shared files // delete obsolete shared files
std::vector<std::string> shared_children; std::vector<std::string> shared_children;
{ {
@ -1367,6 +1368,7 @@ Status BackupEngineImpl::GarbageCollect() {
backuped_file_infos_.erase(rel_fname); backuped_file_infos_.erase(rel_fname);
} }
} }
}
// delete obsolete private files // delete obsolete private files
std::vector<std::string> private_children; std::vector<std::string> private_children;

10
utilities/backupable/backupable_db_test.cc
View File

@ -1313,6 +1313,16 @@ TEST_F(BackupableDBTest, EnvFailures) {
delete backup_engine; delete backup_engine;
} }
} }
// see https://github.com/facebook/rocksdb/issues/921
TEST_F(BackupableDBTest, Issue921Test) {
BackupEngine* backup_engine;
backupable_options_->share_table_files = false;
backupable_options_->backup_dir += "/new_dir";
ASSERT_OK(BackupEngine::Open(env_, *backupable_options_, &backup_engine));
}
} // anon namespace } // anon namespace
} // namespace rocksdb } // namespace rocksdb