Revision 8e12638f3d0d91791cf06253493b8b15827f4b6c authored by sdong on 19 August 2019, 17:50:25 UTC, committed by Facebook Github Bot on 19 August 2019, 17:51:59 UTC
Summary: Atomic white box test's kill odd is the same as normal test. However, in the scenario that only WritableFileWriter::Append() is blacklisted, WritableFileWriter::Flush() dominates the killing odds. Normally, most of WritableFileWriter::Flush() are called in WAL writes, where every write triggers a WAL flush. In atomic test, WAL is disabled, so the kill happens less frequently than we antipated. In some rare cases, the kill didn't end up with happening (for reasons I still don't fully understand) and cause the stress test timeout. If WAL is disabled, make the odds 5x likely to trigger. Pull Request resolved: https://github.com/facebook/rocksdb/pull/5717 Test Plan: Run whitebox_crash_test_with_atomic_flush and whitebox_crash_test and observe the kill odds printed out. Differential Revision: D16897237 fbshipit-source-id: cbf5d96f6fc0e980523d0f1f94bf4e72cdb82d1c
1 parent e1c468d
malloc_stats.cc
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include "db/malloc_stats.h"
#ifndef ROCKSDB_LITE
#include <memory>
#include <string.h>
#include "port/jemalloc_helper.h"
namespace rocksdb {
#ifdef ROCKSDB_JEMALLOC
typedef struct {
char* cur;
char* end;
} MallocStatus;
static void GetJemallocStatus(void* mstat_arg, const char* status) {
MallocStatus* mstat = reinterpret_cast<MallocStatus*>(mstat_arg);
size_t status_len = status ? strlen(status) : 0;
size_t buf_size = (size_t)(mstat->end - mstat->cur);
if (!status_len || status_len > buf_size) {
return;
}
snprintf(mstat->cur, buf_size, "%s", status);
mstat->cur += status_len;
}
void DumpMallocStats(std::string* stats) {
if (!HasJemalloc()) {
return;
}
MallocStatus mstat;
const unsigned int kMallocStatusLen = 1000000;
std::unique_ptr<char[]> buf{new char[kMallocStatusLen + 1]};
mstat.cur = buf.get();
mstat.end = buf.get() + kMallocStatusLen;
malloc_stats_print(GetJemallocStatus, &mstat, "");
stats->append(buf.get());
}
#else
void DumpMallocStats(std::string*) {}
#endif // ROCKSDB_JEMALLOC
} // namespace rocksdb
#endif // !ROCKSDB_LITE
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