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Fix deleting files

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Summary: One more fix! In some cases, our filenames start with "/". Apparently, env_ can't handle filenames with double //

Test Plan:
deletefile_test does not include this line in the LOG anymore:
2013/11/12-18:11:43.150149 7fe4a6fff700 RenameFile logfile #3 FAILED -- IO error: /tmp/rocksdbtest-3574/deletefile_test//000003.log: No such file or directory

Reviewers: dhruba, haobo

Reviewed By: haobo

CC: leveldb

Differential Revision: https://reviews.facebook.net/D14055
This commit is contained in:
Igor Canadi 2013-11-12 20:32:07 -08:00
parent 21587760b9
commit d88d8ecf80
1 changed files with 19 additions and 11 deletions
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30
db/db_impl.cc
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@ -505,7 +505,7 @@ void DBImpl::PurgeObsoleteFiles(DeletionState& state) {
state.all_files.reserve(state.all_files.size() +
state.sst_delete_files.size());
for (auto file : state.sst_delete_files) {
state.all_files.push_back(TableFileName("", file->number));
state.all_files.push_back(TableFileName("", file->number).substr(1));
delete file;
}
@ -513,11 +513,16 @@ void DBImpl::PurgeObsoleteFiles(DeletionState& state) {
state.log_delete_files.size());
for (auto filenum : state.log_delete_files) {
if (filenum > 0) {
state.all_files.push_back(LogFileName("", filenum));
state.all_files.push_back(LogFileName("", filenum).substr(1));
}
}
for (size_t i = 0; i < state.all_files.size(); i++) {
// dedup state.all_files so we don't try to delete the same
// file twice
sort(state.all_files.begin(), state.all_files.end());
auto unique_end = unique(state.all_files.begin(), state.all_files.end());
for (size_t i = 0; state.all_files.begin() + i < unique_end; i++) {
if (ParseFileName(state.all_files[i], &number, &type)) {
bool keep = true;
switch (type) {
@ -557,22 +562,25 @@ void DBImpl::PurgeObsoleteFiles(DeletionState& state) {
// evict from cache
table_cache_->Evict(number);
}
Log(options_.info_log, "Delete type=%d #%llu", int(type), number);
std::string fname = dbname_ + "/" + state.all_files[i];
Log(options_.info_log, "Delete type=%d #%lu -- %s",
int(type), number, fname.c_str());
Status st;
if (type == kLogFile && (options_.WAL_ttl_seconds > 0 ||
options_.WAL_size_limit_MB > 0)) {
st = env_->RenameFile(dbname_ + "/" + state.all_files[i],
ArchivedLogFileName(options_.wal_dir,
number));
st = env_->RenameFile(fname,
ArchivedLogFileName(options_.wal_dir, number));
if (!st.ok()) {
Log(options_.info_log, "RenameFile logfile #%llu FAILED", number);
Log(options_.info_log, "RenameFile logfile #%lu FAILED -- %s\n",
number, st.ToString().c_str());
}
} else {
st = env_->DeleteFile(dbname_ + "/" + state.all_files[i]);
st = env_->DeleteFile(fname);
if (!st.ok()) {
Log(options_.info_log, "Delete type=%d #%llu FAILED\n",
int(type), number);
Log(options_.info_log, "Delete type=%d #%lu FAILED -- %s\n",
int(type), number, st.ToString().c_str());
}
}
}