I've got a case of very slow indexing - 111 seconds to index 9
documents. It's not really thinking sphinx that is responsible for
this part anyway - but just looking for any tips or ideas.

- on my laptop it runs fine, e.g.:

indexing index 'user_delta'...
total 2 docs, 68 bytes
total 0.048 sec, 1425.43 bytes/sec, 41.92 docs/sec

- on the production server one time it ran like this:

indexing index 'user_delta'..
total 9 docs, 320 bytes
total 111.667 sec, 2.87 bytes/sec, 0.08 docs/sec

- and another like this:

indexing index 'user_delta'...
total 14 docs, 533 bytes
total 8.589 sec, 62.06 bytes/sec, 1.63 docs/sec

the indexer is running on seperate box to the db - the db server is a
very fast database server (SAS disks etc) so the hardware should be
fine, but the load on it is surprisingly high when running the
indexing.

I ran a MySQL EXPLAIN command on the generated SQL configuration and
it shows all indexes being used.

so, yeah, any experiences people might have that could help would be
much appreciated.

cheers!

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