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November 10, 2015 13:51
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MySQL tunning from a persentation
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| All the changes that are fit to print. Droppin’ Mo’ Science 52 All Your IOPS Are Belong To Us: Ernie Souhrada, Database Engineer @ Pinterest - Percona Live MySQL Conference & Expo 2015 Full list of customizations / changes deployed: | |
| - Linux kernel 3.18.7 | |
| - irqbalance 1.0.8 | |
| - RPS enabled | |
| - Jemalloc instead of Glibc | |
| - Disk IO scheduler = noop | |
| - XFS + 64K RAID block size | |
| - Mount options: - noatime,nobarrier,discard,inode64,logbsize=256k | |
| - my.cnf changes: | |
| innodb_max_dirty_pages_pct = 75 | |
| innodb_checksum_algorithm = CRC32 | |
| innodb_io_capacity = 10000 | |
| innodb_io_capacity_max = 16000 | |
| innodb_lru_scan_depth = 2000 | |
| innodb_log_buffer_size = 32M | |
| innodb_read_io_threads = 8 | |
| innodb_write_io_threads = 8 | |
| relay_log_info_repository = TABLE | |
| relay_log_recovery = ON | |
| table_open_cache_instances = 8 | |
| metadata_locks_hash_instances = 256 | |
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