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https://github.com/facebook/rocksdb.git
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d327d56081
Summary: As title Pull Request resolved: https://github.com/facebook/rocksdb/pull/13034 Reviewed By: ltamasi Differential Revision: D63413712 Pulled By: jaykorean fbshipit-source-id: 0070761b0d9de1f50fe0baf235643d36aeb9f7f5
115 lines
4.1 KiB
C++
115 lines
4.1 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#pragma once
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#include <stddef.h>
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#include <stdint.h>
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#include <string>
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#include "rocksdb/rocksdb_namespace.h"
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namespace ROCKSDB_NAMESPACE {
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struct CompactionJobStats {
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CompactionJobStats() { Reset(); }
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void Reset();
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// Aggregate the CompactionJobStats from another instance with this one
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void Add(const CompactionJobStats& stats);
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// the elapsed time of this compaction in microseconds.
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uint64_t elapsed_micros = 0;
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// the elapsed CPU time of this compaction in microseconds.
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uint64_t cpu_micros = 0;
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// Used internally indicating whether a subcompaction's
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// `num_input_records` is accurate.
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bool has_num_input_records = false;
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// the number of compaction input records.
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uint64_t num_input_records = 0;
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// the number of blobs read from blob files
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uint64_t num_blobs_read = 0;
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// the number of compaction input files (table files)
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size_t num_input_files = 0;
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// the number of compaction input files at the output level (table files)
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size_t num_input_files_at_output_level = 0;
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// the number of compaction output records.
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uint64_t num_output_records = 0;
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// the number of compaction output files (table files)
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size_t num_output_files = 0;
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// the number of compaction output files (blob files)
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size_t num_output_files_blob = 0;
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// true if the compaction is a full compaction (all live SST files input)
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bool is_full_compaction = false;
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// true if the compaction is a manual compaction
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bool is_manual_compaction = false;
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// true if the compaction ran in a remote worker
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bool is_remote_compaction = false;
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// the total size of table files in the compaction input
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uint64_t total_input_bytes = 0;
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// the total size of blobs read from blob files
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uint64_t total_blob_bytes_read = 0;
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// the total size of table files in the compaction output
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uint64_t total_output_bytes = 0;
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// the total size of blob files in the compaction output
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uint64_t total_output_bytes_blob = 0;
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// number of records being replaced by newer record associated with same key.
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// this could be a new value or a deletion entry for that key so this field
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// sums up all updated and deleted keys
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uint64_t num_records_replaced = 0;
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// the sum of the uncompressed input keys in bytes.
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uint64_t total_input_raw_key_bytes = 0;
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// the sum of the uncompressed input values in bytes.
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uint64_t total_input_raw_value_bytes = 0;
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// the number of deletion entries before compaction. Deletion entries
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// can disappear after compaction because they expired
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uint64_t num_input_deletion_records = 0;
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// number of deletion records that were found obsolete and discarded
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// because it is not possible to delete any more keys with this entry
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// (i.e. all possible deletions resulting from it have been completed)
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uint64_t num_expired_deletion_records = 0;
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// number of corrupt keys (ParseInternalKey returned false when applied to
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// the key) encountered and written out.
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uint64_t num_corrupt_keys = 0;
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// Following counters are only populated if
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// options.report_bg_io_stats = true;
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// Time spent on file's Append() call.
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uint64_t file_write_nanos = 0;
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// Time spent on sync file range.
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uint64_t file_range_sync_nanos = 0;
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// Time spent on file fsync.
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uint64_t file_fsync_nanos = 0;
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// Time spent on preparing file write (fallocate, etc)
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uint64_t file_prepare_write_nanos = 0;
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// 0-terminated strings storing the first 8 bytes of the smallest and
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// largest key in the output.
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static const size_t kMaxPrefixLength = 8;
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std::string smallest_output_key_prefix;
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std::string largest_output_key_prefix;
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// number of single-deletes which do not meet a put
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uint64_t num_single_del_fallthru = 0;
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// number of single-deletes which meet something other than a put
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uint64_t num_single_del_mismatch = 0;
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// TODO: Add output_to_penultimate_level output information
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};
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} // namespace ROCKSDB_NAMESPACE
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