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Solving the ext3 latency problem

Solving the ext3 latency problem

Posted Apr 14, 2009 17:25 UTC (Tue) by bronson (subscriber, #4806)
Parent article: Solving the ext3 latency problem

Great article! It's nice to see that all this discussion is coming to a sane conclusion.

It's a little disturbing to see data=writeback becoming the default. Is the performance gain really so great that it's worth being less secure by default?

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Solving the ext3 latency problem

Posted Apr 15, 2009 9:34 UTC (Wed) by edschofield (guest, #39993) [Link]

Yes, great article. The lkml discussion was also fascinating.

We have _severe_ latency issues with ext3 and our RAID arrays, sometimes causing our servers to appear to freeze for tens of seconds during disk writes. A safer 'writeback' mode that eliminates these latencies will be a huge win for us.


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