Code review comment for lp:~sergei.glushchenko/percona-xtrabackup/20-decompress

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Sergei Glushchenko (sergei.glushchenko) wrote :

> I have three thoughts:
> - Should we add this to 2.0 at all? It is adding a feature and a 2.1 release
> probably isn't far off.

We have customer using 2.0, who want this feature.

> - I think that certainly in 2.1, this should be default behaviour, as it's
> almost certainly what the user wanted.

Yes, probably you're right.

> - parallel decompression?

I've experimented with parallel decompression, implementing it similar to parallel compression and it didn't gave me any performance gain. It was even slower than thread-per-file implementation. Do you have any specific proposals how to implement parallel decompression?

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