Re: problem about partition
Posted by:
Rick James
Date: April 16, 2010 10:08PM
Yes, PARTITION leads to lots of file handles. And they are usually all opened whenever you touch the Partition table.
table_open_cache should be high -- thousands is usually reasonable. However, it is limited by what the OS will let mysql have. If this is "too low", then you will be opening and closing tables much too often.
How big is the table you are partitioning? If it is under a gigabyte, it may not be worth partitioning at all. Care to SHOW CREATE TABLE so we can critique it?
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