Bug #91860 The buf_LRU_free_page function may leak some memory in a particular scenario
Submitted: 1 Aug 2018 20:51 Modified: 2 Aug 2018 6:28
Reporter: Xiaofeng Dong Email Updates:
Status: Duplicate Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S2 (Serious)
Version:5.7.22 OS:Any
Assigned to: CPU Architecture:Any
Tags: compre, innodb, innodb_buffer_pool, Leak, Memory

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Description:
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If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.

To split a large file: