… of an upsert message into the root of the fractal tree. This can result in dramatic performance increase since the cost…
Post: The write cache: Swap insanity tome III
April 19, 2013 By 5 Comments
…—- –system– —–cpu—– Fri Mar 22 10:03:22 UTC 2013 r b swpd free buff cache si so bi bo in cs…
Comment: Is your MySQL Server Loaded ?
April 15, 2013 By 6 Comments
Also look at this bug report I made recently: http://bugs.mysql.com/bug.php?id=68963, as I have had issue with not seeing the wood for the trees so to speak because of a high number of running slaves on the server.
Post: 10 years of MySQL User Conferences
April 11, 2013 By 6 Comments
… the “MySQL Users Conference” and took place at the Double Tree hotel near the San Jose airport with an estimated 500…
Comment: Investigating MySQL Replication Latency in Percona XtraDB Cluster
May 17, 2013 By 13 Comments
… but site was not going down. Then we did some R&D on Percona MYSQL server and found that Percona need…
Post: Virident vCache vs. FlashCache: Part 1
May 16, 2013 By 3 Comments
(This is part one of a two part series) Over the past few weeks I have been looking at a preview release of Virident’s vCache software, which is a kernel module and set of utilities designed to provide functionality similar to that of FlashCache. In particular, Virident engaged Percona to do a …
Comment: Open Source, the MySQL market (and TokuDB in particular)
May 10, 2013 By 13 Comments
… tedious. It’s merges; integration and longevity testing. It’s R&D. It’s *distribution*, so that any user can easily…
Post: MySQL and Percona Server in LinkBench benchmark
May 8, 2013 By 18 Comments
… -csvstream streaming-stats.csv -D requests=5000000 -D maxtime=1800 -r
Comment: Benchmarking Percona Server TokuDB vs InnoDB
May 7, 2013 By 32 Comments
The point at 685 sec when InnoDB performance drops, is that when data doesn’t fit all in RAM anymore? I would in general expect to see benefits from TokuDB when workload is diskbound. You could artificially reduce InnoDB buffer pool (and corresponding Tokutek setting) to have more SSD vs RAM.
Post: Percona XtraDB Cluster for MySQL and encrypted Galera replication
May 3, 2013 By 2 Comments
…—. 4 root root 4.0K Apr 1 12:03 .. -rw-r–r–. 1 root root 1.2K Apr 1 12:08 cert.pem -rw-r–r–. 1 root root 1.7K Apr 1 12:08 key…. 60 root root 4.0K Apr 1 12:12 .. -rw-r—–. 1 mysql mysql 1.2K Apr 1 12:08 cert.pem -rw-r—–. 1 mysql mysql 1.7K Apr 1 12:08 key…
