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Ultra-lightweight log Implementation of tens of billions of transaction systems with a daily transaction volume and tens of billions of Transaction Systems First, let's talk about the past ~~ Two years ago, I worked in a traditional financial

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Rac _ production database log group corruption handling, rac logs Original Works are from the "Deep Blue blog" blog. Be sure to indicate the source when reprinting. Otherwise, you have the right to pursue legal liability for copyright. Deep Blue

1, causesRecently some files on the Linux server were tampered with, want to trace the records have not been found, so you have to think of a way to record all the user's Operation records.Generally, we usually use history to record, but there is a

Building real-time log collection system with Elasticsearch,logstash,kibanaIntroduction This set of systems, Logstash is responsible for collecting processing log file contents stored in the Elasticsearch search engine database. Kibana is

OPS needs to record the "slow action" commands in the master Redis and then find the relevant business party, otherwise, blockIt's not funny anymore. The relevant commands are then found directly in the Redis Handbook.SLOWLOG subcommand [argument]

Original article link Reference Http://baobaoyangzhou.blog.163.com/blog/static/117831250201241232756488/ Http://wenku.baidu.com/view/5e5438186bd97f192279e964.html Index GPROF usage Usage notes Additional reading  

Core control parametersInnoDB Storage Engine controls the policy of the Redo log flushing to disk through the Innodb_flush_log_at_trx_commit parameterTo view parameter values: like ' Innodb_flush_log_at_trx_commit ';To modify a parameter value:Set =

Part1: writing at the topIn the MysQL5.6 release, the Undo log rollback log can be separated into a separate tablespace, with the drawback that the space size cannot be reclaimed, until Mysql5.7,but MariadDB10.1 is not supported.This article

MongoDB's journaling log function is not the same as the common log log, MongoDB also has log logs, it simply records the database on the server startup information, slow query records, database exception information, client and database server