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Group Replication is know as an up to date HA(High Availablity) solution which is supported in official version of MySQL 5.7 since Dec. 2016.It's simi 阅读全文
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##innodb correlate innodb_flush_log_at_trx_commit value: 0,[1],2 effect: control the flush operations of redo log buffer to redo logfile on disk. deta 阅读全文
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we've know the machenism of semi-synchronous replication in my previous article,let's do some test to learn more details about it.now i have three vir 阅读全文
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today,i'll have a test with the open source tool mysqlbinlog_flashback which is released by 58daojia,here's the github address:https://github.com/58da 阅读全文
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Preface As we all know,there're three kinds of replication in MySQL nowadays.Such as,asynchronous replication,(full)synchronous replication,semi-synch 阅读全文
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today,i'll using the open source tool named "binlog2sql" which is release by danfengchao to do some flashback test. here's the github address:https:// 阅读全文
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since i've broken down the replication enviornment by "reset master;" yesterday.therefore,i'd like to reconfigure it again,there're several simple ste 阅读全文
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a fellow in IMG wechat group 2 met an error about running out of disk space when using MySQL query today,now let's mimic the situation: first,i'll cre 阅读全文
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today,one buddy in IMG wechat group 2 asked "why i've installed the MySQL 5.7 on linux server,but there's no mysqld_safe command at all?"so,here i'd l 阅读全文
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last night,i've tested flashback by MyFlash tool,but failed,now let's do some other test with it.first of all,clear the test environment:drop the proc 阅读全文