David Johnson wrote:
>
> We have five big tables with blobs in them that get fragmented very fast.
> We have to stop out (24 X 7) operation to defrag them too frequently (one a
> week). It seems that the fragmentation happens so fast because MySQL tries
> very hard not to waste space. For instance, we had one table that had 6.75
> Blocks/Record but only had 1% lost space.
>
> We'd love if we could tell MySQL to use 2Gig for the table and populate it
> sparsely, rather than trying
> so hard to save space. Is this possible? Do we need to hack the source?
>
> DJ
>
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How about storing the blobs on the filesystem and storing references to
them in the database? You are not searching through the blobs for
patterns, are you?
--
Sasha Pachev
http://www.sashanet.com