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Do not flag error if file to be deleted does not exist

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Summary:
Some users have observed errors in the log file when
the log file or sst file is already deleted.

Test Plan:
Make sure that the errors do not appear for already deleted
files.

Reviewers: sdong

Reviewed By: sdong

Subscribers: anthony, kradhakrishnan, yhchiang, rven, igor, IslamAbdelRahman, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D47115
This commit is contained in:
Venkatesh Radhakrishnan 2015-09-17 10:21:34 -07:00
parent a5e312a7a4
commit 51e1c11254
1 changed files with 16 additions and 3 deletions
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19
db/db_impl.cc
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@ -770,6 +770,12 @@ void DBImpl::PurgeObsoleteFiles(const JobContext& state) {
"[JOB %d] Delete %s type=%d #%" PRIu64 " -- %s\n", state.job_id,
fname.c_str(), type, number,
file_deletion_status.ToString().c_str());
} else if (env_->FileExists(fname).IsNotFound()) {
Log(InfoLogLevel::INFO_LEVEL, db_options_.info_log,
"[JOB %d] Tried to delete a non-existing file %s type=%d #%" PRIu64
" -- %s\n",
state.job_id, fname.c_str(), type, number,
file_deletion_status.ToString().c_str());
} else {
Log(InfoLogLevel::ERROR_LEVEL, db_options_.info_log,
"[JOB %d] Failed to delete %s type=%d #%" PRIu64 " -- %s\n",
@ -798,9 +804,16 @@ void DBImpl::PurgeObsoleteFiles(const JobContext& state) {
full_path_to_delete.c_str());
Status s = env_->DeleteFile(full_path_to_delete);
if (!s.ok()) {
Log(InfoLogLevel::ERROR_LEVEL, db_options_.info_log,
"[JOB %d] Delete info log file %s FAILED -- %s\n", state.job_id,
to_delete.c_str(), s.ToString().c_str());
if (env_->FileExists(full_path_to_delete).IsNotFound()) {
Log(InfoLogLevel::INFO_LEVEL, db_options_.info_log,
"[JOB %d] Tried to delete non-existing info log file %s FAILED "
"-- %s\n",
state.job_id, to_delete.c_str(), s.ToString().c_str());
} else {
Log(InfoLogLevel::ERROR_LEVEL, db_options_.info_log,
"[JOB %d] Delete info log file %s FAILED -- %s\n", state.job_id,
to_delete.c_str(), s.ToString().c_str());
}
}
}
}