Comments on: Replication++, Replication 2.0, Replication.Next http://ronaldbradford.com/blog/replication-replication-20-replicationnext-2008-04-10/ Expert times and information on MySQL Fri, 12 Mar 2010 22:45:29 -0400 http://wordpress.org/?v=2.8.4 hourly 1 By: Peter Zaitsev http://ronaldbradford.com/blog/replication-replication-20-replicationnext-2008-04-10/comment-page-1/#comment-341 Peter Zaitsev Sun, 13 Apr 2008 07:55:18 +0000 http://ronaldbradford.com/blog/?p=1025#comment-341 I see you're focusing on problem of replication being Async - of course as you're going to solve this problem, but do not be mistaken - this is not the only problem which limits read scalability. The data size is another one. Say you had 10GB data and couple of 16GB slaves. Now you got 100GB data and 10 times more reads. Will 20 Slaves handle it ? Most likely not because you week 20 copies of same data on disk and in the cache... Though it will surely be good combination with Sharding. I see you’re focusing on problem of replication being Async – of course as you’re going to solve this problem,
but do not be mistaken – this is not the only problem which limits read scalability. The data size is another one.

Say you had 10GB data and couple of 16GB slaves. Now you got 100GB data and 10 times more reads. Will 20 Slaves handle it ? Most likely not because you week 20 copies of same data on disk and in the cache…

Though it will surely be good combination with Sharding.

]]> By: Ronald http://ronaldbradford.com/blog/replication-replication-20-replicationnext-2008-04-10/comment-page-1/#comment-340 Ronald Fri, 11 Apr 2008 06:58:47 +0000 http://ronaldbradford.com/blog/?p=1025#comment-340 In <a href="http://fschiettecatte.wordpress.com/2008/04/10/read-replication-with-mysql-part-deux/" rel="nofollow">Read replication with MySQL - part deux</a>, <b>François Schiettecatte</b> gives his views on caching and experiences in Memcache from his time at feedster. In Read replication with MySQL – part deux, François Schiettecatte gives his views on caching and experiences in Memcache from his time at feedster.

]]> By: Ronald http://ronaldbradford.com/blog/replication-replication-20-replicationnext-2008-04-10/comment-page-1/#comment-339 Ronald Fri, 11 Apr 2008 06:55:44 +0000 http://ronaldbradford.com/blog/?p=1025#comment-339 <b>Greg Linden</b> adds his views on the topic with emphasis on Partition at <a href="http://glinden.blogspot.com/2008/04/replication-caching-and-partitioning.html" rel="nofollow">Replication, caching, and partitioning</a>. Greg Linden adds his views on the topic with emphasis on Partition at Replication, caching, and partitioning.

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