OurSQLEpisode185:GettinginSync_MySQL

pt-table-checksum
pt-table-checksum
pt-table-sync

Episode 151, where we talked about Oracle toolsmysqldbcompare and mysqldiff
Options discussed:
--replicate, --no-create-replicate-table
--no-check-binlog-format
--recurse (default is infinite), --recursion-method
--no-replicate-check, --quiet
--retries, --resume, --run-time
--set-vars
--no-empty-replicate-table
--max-lag, --check-slave-lag
--max-load (default: threads_running=25)
--pid
--no-check-plan
--no-check-replication-filters
--no-check-slave-tables

You can also give a comma-separated list of configuration files to read in, with the --config option. If you use it, the --config option has to be the first option on the commandline. The documentation says to look at the output using --help to see the default configuration files, and in the testing we did, this looked at:
/etc/percona-toolkit/percona-toolkit.conf
/etc/percona-toolkit/pt-table-checksum.conf
/root/.percona-toolkit.conf
/root/.pt-table-checksum.conf

--databases, --tables, --engines, --databases-regex, --tables-regex, --columns, --where
--ignore-databases, --ignore-tables, --ignore-engines (FEDERATED,MERGE by default), --ignore-columns, --ignore-databases-regex, --ignore-tables-regex
--chunk-time, --chunk-size, --chunk-index, --chunk-size-limit
--progress
--function (default is CRC32)
--float-precision
--explain
--replicate-check-only
--trim
--replicate-database

Ear Candy
Case study: Why Baron Schwarz chose MySQL for the backend of his company

At the movies
This week in At the Movies, we present Jonathan Levin speaking aboutUsing MySQL to Build Big Data Applications. In this 26 minute video, Jonathan shows how to create summary tables in MySQL for handling big data.

Where you can see us
Sheeri will be at theJune Boston MySQL User Groupon Monday, June 9th, where we'll have Amrith Kumar talking about DB as a service using trove on openstack.

Gerry will be at theJune Seattle MySQL User Groupon Monday, June 9th, where we'll talk about WebScaleSQL.

Sheeri and Gerry will be attendingOSCon 2014from Sunday July 20th through Thursday July 24th.

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