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Translog: Implement a file system based translog and make it the default #260

kimchy opened this issue Jul 14, 2010 · 1 comment


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commented Jul 14, 2010

Currently, there is an on going in memory translog (per shard) holding all the operations done between flushes. There is a memory monitor to control if there are memory problems and then do a flush to clean it (on the most expensive shards) as well as auto flush each N (5000) number of operations. Still, this memory can be of good use other than the translog.

A file system based translog will hold the changes on a file. There is no need to flush / fsync it since its not really used for full shutdown recovery (the gateway is there for that) so it should be fast enough.

It should be used as the default as well for better out of the box experience.


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commented Jul 14, 2010

Translog: Implement a file system based translog and make it the default, closed by 95ba62f.

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