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From Stack <st...@duboce.net>
Subject Re: Set scanner caching to a better default?
Date Wed, 17 Oct 2012 05:12:07 GMT
On Tue, Oct 16, 2012 at 8:25 PM, lars hofhansl <lhofhansl@yahoo.com> wrote:
> We just ran into this again today, where we forgot to set scanner caching and observed
bad performance.
> The default of 1 does not seem to make any sense (except for very specific case of large/wide
rows).
>
> Any value between 10 and 1000 should be OK, really. Maybe the default should be 100.
>
> This would also go some way to avoid the perception that HBase is slow for folks who
are just playing around with it.
>

I'd say all our defaults could do w/ an edit but am fine starting w/
this one alone (Or we have the UI come w/ flashing neon saying the
configs are super conservative and must be tuned).

St.Ack

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