Comments on: Moving to another shard http://www.bytebot.net/blog/archives/2007/10/11/moving-to-another-shard A permanent record for what's interesting today - this is my live journal Wed, 10 Mar 2010 10:35:48 -0500 http://wordpress.org/?v=2.9.2 hourly 1 By: byte http://www.bytebot.net/blog/archives/2007/10/11/moving-to-another-shard/comment-page-1#comment-129813 byte Fri, 12 Oct 2007 15:18:35 +0000 http://www.bytebot.net/blog/archives/2007/10/11/moving-to-another-shard#comment-129813 hey john! it wasn't a problem at all, just good to know that this happens from time to time. it was moved in under-15 minutes, and from the time i grabbed the screenshot, it was only another 6.5 minutes before i got access back to my account again. quick operation, and continue making flickr rock! hey john! it wasn’t a problem at all, just good to know that this happens from time to time. it was moved in under-15 minutes, and from the time i grabbed the screenshot, it was only another 6.5 minutes before i got access back to my account again.

quick operation, and continue making flickr rock!

]]> By: john allspaw http://www.bytebot.net/blog/archives/2007/10/11/moving-to-another-shard/comment-page-1#comment-129812 john allspaw Fri, 12 Oct 2007 14:39:05 +0000 http://www.bytebot.net/blog/archives/2007/10/11/moving-to-another-shard#comment-129812 You hit your shard at the precise moment it was being migrated, so the account gets temporarily locked from changes to make sure all is good before and after the move, consistency-wise. It doesn't happen often, but it's The amount of time to migrate a user obviously has something to do with how large their account is, but in some ways it's more dependent on how busy current shard or target shard is, at the time. So I have to ask: in the end....was it moved in less than 15 minutes, or more ? --john You hit your shard at the precise moment it was being migrated, so the account gets temporarily locked from changes to make sure all is good before and after the move, consistency-wise. It doesn’t happen often, but it’s

The amount of time to migrate a user obviously has something to do with how large their account is, but in some ways it’s more dependent on how busy current shard or target shard is, at the time.

So I have to ask: in the end….was it moved in less than 15 minutes, or more ?

–john

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