Tickets :: Comment on [#7363] Avoid bitwise operations in the SQL Share driver

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Comment	>> Release notes > >> suggest that the share sql driver was to be a major improvement from > >> the datatree based shares. But reading the comments the current share > >> sql driver is a major bottleneck in large installations and in > >> actually use it can be worse than the share datatree driver that it > >> replaced. > > > > I wrote the sql driver as the datatree driver was 100 time slower on > really large data. Tested on my production installation we fall from > 40s to 0.34s or something per Ansel gallery list with caa 80k > galleries and 1M images. Mainly because of how sql sever creates and > manages temporary tables for query execution. Even others have > reported big speed improvements on the mailing-list. But, yes, it was > just a step forward to something really useful. See ticket #6109. > > > >> > >> Would it be possible for someone to write some sort of conversion > >> script from the current share sql to the new one that does not use > >> bitwise operations. I could then test this new code with data from > >> our installation. > > > > A good time to rewrite Hore_Share into H4/git lib :)
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