Revision f5cdf931a032a93688eb26532c4153b6950fd640 authored by Abhishek Kona on 13 November 2012, 00:45:45 UTC, committed by Abhishek Kona on 16 November 2012, 17:09:00 UTC
Summary: Add option to read WAL and print a summary for each record. facebook task => #1885013 E.G. Output : ./ldb dump_wal --walfile=/tmp/leveldbtest-5907/dbbench/026122.log --header Sequence,Count,ByteSize 49981,1,100033 49981,1,100033 49982,1,100033 49981,1,100033 49982,1,100033 49983,1,100033 49981,1,100033 49982,1,100033 49983,1,100033 49984,1,100033 49981,1,100033 49982,1,100033 Test Plan: Works run ./ldb read_wal --wal-file=/tmp/leveldbtest-5907/dbbench/000078.log --header Reviewers: dhruba, heyongqiang Reviewed By: dhruba CC: emayanke, leveldb, zshao Differential Revision: https://reviews.facebook.net/D6675
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db_iter.h
// 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.
#ifndef STORAGE_LEVELDB_DB_DB_ITER_H_
#define STORAGE_LEVELDB_DB_DB_ITER_H_
#include <stdint.h>
#include "leveldb/db.h"
#include "db/dbformat.h"
namespace leveldb {
// Return a new iterator that converts internal keys (yielded by
// "*internal_iter") that were live at the specified "sequence" number
// into appropriate user keys.
extern Iterator* NewDBIterator(
const std::string* dbname,
Env* env,
const Comparator* user_key_comparator,
Iterator* internal_iter,
const SequenceNumber& sequence);
} // namespace leveldb
#endif // STORAGE_LEVELDB_DB_DB_ITER_H_
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