Better, faster, ptop_preindex

Also reduced chunk size to 100,000 from 250,000. This is a minor change we can tweak later if it makes things slower.

Also triggers the pillowtop reindex that originally motivated this rework of the fast reindexers
good point, done.

On Wed, Nov 12, 2014 at 4:34 PM, Jonathan Emord <notifications@github.com>
wrote:

> In corehq/pillows/mappings/case_mapping.py:
>
> > @@ -1,5 +1,5 @@
> >  from corehq.pillows.core import DATE_FORMATS_ARR, DATE_FORMATS_STRING
> > -CASE_INDEX="hqcases_7a8d2b81335e0a8cef1de718313a23b9"
> > +CASE_INDEX="hqcases_ab7x44e58ks2f9fl85ce3t6jfrkb2179"
>
> Looks like the same hash we had last before the issue.
>
> Either need to delete that index from hqes0 or change the hash
>
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> <https://github.com/dimagi/commcare-hq/pull/4775/files#r20253430>.
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