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我剛買了一臺新的mysql機器(16gb ram,4個SAS 15k rpm 300GB的RAID10磁盤驅動器),所以速度非常快。加速InnoDB mysql數據庫導入
我一直在導入幾個數據庫,每個數據庫有幾百萬個項目,但是這需要相當長的時間,比我想象的要長。我看到每秒大約有1000個插入,我相信它應該能夠做得更多。流程運行時間越長,獲得的速度越慢。
這是我的配置,任何提示,以加快速度,但這並不損害數據的可靠性。
[mysqld]
skip-name-resolve
datadir=/var/lib/mysql
#socket=/tmp/mysql.sock
log-error=/var/log/mysqld.log
port=48221
user=mysql
old_passwords=0
max_connections = 1500
table_cache = 1024
max_allowed_packet = 16M
sort_buffer_size = 2M
thread_cache = 8
thread_concurrency = 32
query_cache_size = 0M
query_cache_type = 0
default-storage-engine = innodb
transaction_isolation = REPEATABLE-READ
tmp_table_size = 256M
long_query_time = 3
log_slow_queries = 1
innodb_additional_mem_pool_size=48M
innodb_flush_log_at_trx_commit=2
innodb_log_buffer_size=32M
innodb_buffer_pool_size=2G
innodb_autoinc_lock_mode=2
innodb_io_capacity=500
innodb_read_io_threads=16
innodb_write_io_threads=8
innodb_buffer_pool_size = 5000M
innodb_lock_wait_timeout = 300
innodb_max_dirty_pages_pct = 90
innodb_thread_concurrency =32
[mysqldump]
quick
single-transaction
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
感謝您的提示。但明智的配置設置,任何建議? –
這不是我的一杯茶,其他人將不得不投入。 – Szocske