| // Copyright (c) 2016-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). |
| |
| #pragma once |
| |
| struct CompactionIterationStats { |
| // Compaction statistics |
| |
| // Doesn't include records skipped because of |
| // CompactionFilter::Decision::kRemoveAndSkipUntil. |
| int64_t num_record_drop_user = 0; |
| |
| int64_t num_record_drop_hidden = 0; |
| int64_t num_record_drop_obsolete = 0; |
| int64_t num_record_drop_range_del = 0; |
| int64_t num_range_del_drop_obsolete = 0; |
| // Deletions obsoleted before bottom level due to file gap optimization. |
| int64_t num_optimized_del_drop_obsolete = 0; |
| uint64_t total_filter_time = 0; |
| |
| // Input statistics |
| // TODO(noetzli): The stats are incomplete. They are lacking everything |
| // consumed by MergeHelper. |
| uint64_t num_input_records = 0; |
| uint64_t num_input_deletion_records = 0; |
| uint64_t num_input_corrupt_records = 0; |
| uint64_t total_input_raw_key_bytes = 0; |
| uint64_t total_input_raw_value_bytes = 0; |
| |
| // Single-Delete diagnostics for exceptional situations |
| uint64_t num_single_del_fallthru = 0; |
| uint64_t num_single_del_mismatch = 0; |
| }; |
