innodb_fast_shutdown: TheInnoDBshutdownmode. If the value is 0,InnoDBdoes aslow shutdown, a fullpurgeand an insert buffer merge before shutting down. If the value is 1 (the default),InnoDBskips these operations at shutdown, a process known as afast shutdown. If the value is 2,InnoDBf...
如果应用程序的插入操作主要是逐行进行的,而不是BULK插入方式,那么增加bulk_insert_buffer_size的值可能不会产生明显的性能改善。 此外,bulk_insert_buffer_size只适用于MyISAM和MEMORY存储引擎,对于InnoDB存储引擎无效。 总结起来,通过修改MySQL的bulk_insert_buffer_size参数,可以优化BULK插入操作的性能。在调整该参数时...
) ENGINE=InnoDB DEFAULT CHARSET=utf8 ROW_FORMAT=DYNAMIC; 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 单个添加更新 如果记录在表中不存在则进行插入,如果存在则进行更新: sql = "INSERT INTO stock_discover VALUES ('%s', 2, '%s', 'HZ', '%s', '%s')" \ " ON DUPLICATE KEY UPDATE `date` ...
innodb_file_per_table(4) checkpoint_completion_target(4) checkpoint_segments(3) basic(3) zfs(2) wal_keep_segments(2) 更多 随笔分类 (203) FS(1) highscalability(1) IT话题(2) Linux(20) Linux I/O(5) Linux Mem(3) Mongo Backup and Recovery(1) Mongo Basic(3) ...