Answer by lee for MySQL V8 replication lagging waiting for handler commit
So for anyone finding this issue and are in the same boat as me I can tell you that disabling innodb_adaptive_hash_index is the solution. After disabling it my server has not fallen behind once and the...
View ArticleAnswer by Rick James for MySQL V8 replication lagging waiting for handler commit
Analysis of STATUS and VARIABLES:Observations:Version: 8.0.221500 GB of RAMUptime = 07:48:45; some GLOBAL STATUS values may not be meaningful yet.You are not running on Windows.Running 64-bit versionIt...
View ArticleAnswer by Wilson Hauck for MySQL V8 replication lagging waiting for handler...
Rate Per Second = RPSSuggestions to consider for your my.cnf [mysqld] sectioninnodb_io_capacity=30000 # from 6000 for higher IOPS with your NVME deviceskey_buffer_size=4G # from ~ 64G since only 2% has...
View ArticleMySQL V8 replication lagging waiting for handler commit
let me start with some background.We've decided to upgrade our Master DB to a more performant machine. We got a server with 1.5TB of RAM, Quad Intel(R) Xeon(R) Gold 6254 and IO is all NVMe drives. Our...
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