June 19, 2013

Comment: Percona Server 5.1.69-14.7 now available: A drop in replacement for MySQL

… using CentOS for my servers but i develop apps in windows, do you think percona will release windows version as well? Thanks

Comment: Percona Server 5.1.69-14.7 now available: A drop in replacement for MySQL

…_comparison.html 3) we’re not planning to release the windows versions of Percona Server at the moment

Comment: Is Synchronous Replication right for your app?

… transaction execution time from BEGIN to COMMIT return is the window for conflicts to occur. Callaghan’s law is a lower…

Comment: Is Synchronous Replication right for your app?

…. In fact it seems in this case that the time window for conflicts is potentially far greater than the RTT limit… cause the large transaction to roll back. So the conflict window is actually time_of_large_transaction + RTT. Does this reasoning…

Post: Percona XtraDB Cluster 5.5.30-23.7.4 for MySQL now available

… D Prabhu). High values in variables evs.send_window and evs.user_send_window could trigger cluster crash under high load. Bug…

Post: Percona Toolkit for MySQL Webinar Followup Questions

… of the slow log on a Windows machine? A: Yes, pt-query-digest should work on Windows even if it’s not…

Comment: MySQL performance: Impact of memory allocators (Part 2)

Could Jemalloc improve performance no MySQL 5.6 on Windows 64-bit? How could we use Jemalloc on Windows 64-bit without compiling MySQL 5.6 source code with it? Thanks! Great article!!

Post: Is Synchronous Replication right for your app?

… up to several hundred.  This really will open a large window where rows won’t be able to be updated more…

Post: Galera Flow Control in Percona XtraDB Cluster for MySQL

…_reads. It minimizes the expense of certification by keeping the window between new transactions being committed and the oldest unapplied transaction…

Comment: Converting Character Sets

I get a whole bunch of these when I run the script on windows: DBD::mysql::db quote failed: handle 2 is owned by thread cb0f8 not current thread 4fc00b8 (handles can’t be shared between threads and your driver may need a CLONE method added) at convert_charset.pl line 281, line 1.