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| author | Thirunarayanan Balathandayuthapani <thiru@mariadb.com> | 2019-12-23 12:27:41 +0530 |
|---|---|---|
| committer | Thirunarayanan Balathandayuthapani <thiru@mariadb.com> | 2019-12-23 15:51:02 +0530 |
| commit | bba59abb039fee1a3ee72a25643ebb7a0b64f3c5 (patch) | |
| tree | 7a61982143377107d206fd7132bacfa39d2d6ce8 /storage/innobase/include/log0recv.h | |
| parent | a59a015a75146ef486137de96e7a29a7eaf96a01 (diff) | |
| download | mariadb-git-bba59abb039fee1a3ee72a25643ebb7a0b64f3c5.tar.gz | |
MDEV-19176 Reduce the memory usage during recovery
- Moved the recv_sys->heap memory condition inside recv_parse_log_recs().
So that, InnoDB can mark the status as STORE_NO earlier.
- InnoDB uses one third of buffer pool chunk size for reading the redo
log records. In that case, we can avoid the scenario where buffer ran
out of memory issue during recovery.
Diffstat (limited to 'storage/innobase/include/log0recv.h')
| -rw-r--r-- | storage/innobase/include/log0recv.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/storage/innobase/include/log0recv.h b/storage/innobase/include/log0recv.h index 74aa4fcb517..d6da4cad9a9 100644 --- a/storage/innobase/include/log0recv.h +++ b/storage/innobase/include/log0recv.h @@ -133,14 +133,19 @@ bool recv_sys_add_to_parsing_buf(const byte* log_block, lsn_t scanned_lsn); /** Parse log records from a buffer and optionally store them to a hash table to wait merging to file pages. -@param[in] checkpoint_lsn the LSN of the latest checkpoint -@param[in] store whether to store page operations -@param[in] apply whether to apply the records +@param[in] checkpoint_lsn the LSN of the latest checkpoint +@param[in] store whether to store page operations +@param[in] available_memory memory to read the redo logs +@param[in] apply whether to apply the records @return whether MLOG_CHECKPOINT record was seen the first time, or corruption was noticed */ -bool recv_parse_log_recs(lsn_t checkpoint_lsn, store_t store, bool apply); +bool recv_parse_log_recs( + lsn_t checkpoint_lsn, + store_t* store, + ulint available_memory, + bool apply); -/** Moves the parsing buffer data left to the buffer start. */ +/** Moves the parsing buffer data left to the buffer start */ void recv_sys_justify_left_parsing_buf(); /** Report optimized DDL operation (without redo log), |