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Re: Index exist on Deleted columns
Posted by: Ra Nala
Date: September 20, 2017 12:54AM

Hi Peter,

hope, my below answers will help to resolve my issues-Performance.

our RAM is 8 GB,

when i execute this command i got info for innodb buffer_pool_size
SELECT @@innodb_buffer_pool_size

@@innodb_buffer_pool_size
----------------------------
24696061952

<what does Explain says about your delete query?>

explain delete from e_temp

id select_type table partitions type possible_keys key key_len ref rows filtered Extra
----- -------------- ---------------- ------------- ------- ---------------- ------ ---------- ------ ------- ----------- -----------------
1 DELETE e_temp (null) ALL (null) (null) (null) (null) 1258035 1000000 Deleting all rows

1 record(s) selected [Fetch MetaData: 0/ms] [Fetch Data: 0/ms]

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