Re: Mysql use up all my swap space WHY?
UPDATE
=======
--Master did CRASH last night due to running out of SWAP
--error.log
InnoDB: detected cycle in LRU for buffer pool 0, skipping to next buffer pool.
InnoDB: detected cycle in LRU for buffer pool 1, skipping to next buffer pool.
180605 21:15:09 mysqld_safe Number of processes running now: 0
180605 21:15:09 mysqld_safe mysqld restarted
180605 21:16:53 [Note] Recovering after a crash..
180605 21:16:58 [Note] Starting crash recovery...
180605 21:16:58 [Note] Crash recovery finished.
--swap looks good today due to mysqld restart which released all used swap.
free -m
total used free shared buffers cached
Mem: 48250 47346 904 0 223 12495
-/+ buffers/cache: 34627 13623
Swap: 26239 183 26056
--Increased innodb_buffer_pool_size to use 80% of available RAM
#innodb_buffer_pool_size=28G # only used 58% of avaliable 48GB RAM - ran out of SWAP and DB crashed 6.6.2018
innodb_buffer_pool_size=38G # changed by YE 6/6/2018 has 48gb RAM now set to 80% of RAM. will go into effect next restart.
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