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MySQL NUMA allocations under 2.6.32+
refering Jeremy Cole's post on swapstorming under NUMA hardware, I'll note something potentially new ( Read more... ) -
Redis VS Memcached (slightly better bench)
Hello! First read this if you haven't yet ( Read more... ) -
Rolling back 432 million rows in MySQL 5.0
Believe it or not, I haven't put myself into this position before. The day before yesterday I started a LOAD DATA INFILE for 760 million rows. Didn't really think too hard about it, figured I'd let it run until it finished ( Read more... ) -
Intel Nehalem CRC32 hardware instruction and HAProxy
Was staring at a wall earlier trying to think of things to optimize in an experimental HAProxy setup. I have the proxy configured to do very little processing (even using splice(2) when useful ( Read more... ) -
Memcached 1.4.0
Everyone's favorite MySQL load relief system, memcached, has just hit the next major stable release: 1.4.0
This release sports a new binary protocol, major performance improvements, and many new statistics. Major kudos to the work of other people (Trond, Dustin, Toru) who put most of the effort into this new release.
Check out the release notes ( Read more... ) -
Memcached 1.2.7 and 1.3.3
original post
... and this is my usual plea to those mysql/web/industrial folks to try out the latest code. Help us on our quest to scale the crap out of all of your stuff. :)
Find us on the mailing list, on #memcached on freenode, or on twitter as dormando, dlsspy, tmaesaka, and trondn. :) All others are fakers ( Read more... ) -
Memcached 1.3.2 beta
Yo,
I didn't write most of this code, but most of the new changes are pretty awesome go read about it, grab it, and try itWe're very careful about getting as much testing as possible before declarnig a new release as stable. Please try it out in your development environments, beat up on it, maybe try it out in staging. Perhaps even be naughty and ( Read more... ) -
Goodbye again, LJ
I said it once in 2002, and now again in 2008. See ya, LJ :)
Mucho thanks to dwell and tupshin for their mentions for the work burr86 and I have put in to help them take over LJ. Especially burr86 - I did some hard stuff but he did most of the work from 6A's side. Kudos to LJ's ops/eng teams for diving into one of the more complicated web architectures and actually ( Read more... ) -
Should you cache?
Should you use memcached? Should you just shard mysql more?
Memcached's popularity is expanding its use into some odd places. It's becoming an authoritative datastore for some large sites, and almost more importantly it's sneaking into the lowly web startup. This is causing some discussionMost of whom seem to be missing the point. In this post I ( Read more... )