I just opened
https://issues.apache.org/jira/browse/LUCENE-9917. On Thu, Apr 8, 2021 at 4:34 PM ?????? ???????? <mihaylovnikitos@gmail.com>
wrote:
> Thank you. Understood the policy
>
> > I have some changes to stored fields on my plate, I'll include this
> change as well.
>
> Is there a ticket for this change?
>
> ??, 8 ???. 2021 ?. ? 15:30, Adrien Grand <jpountz@gmail.com>:
> >
> > Actually, we don't plan to have flexible settings even for advanced
> > developers. Our stance on these discussions is that we should be
> > opinionated about the default codec and not offer any options. Rather
> than
> > exposing advanced settings for advanced users, these advanced users can
> > build their own codec and take care of backward compatibility themselves.
> >
> > On Thu, Apr 8, 2021 at 10:11 AM ?????? ???????? <
> mihaylovnikitos@gmail.com>
> > wrote:
> >
> > > Thanks for the reply.
> > >
> > > The problem of understanding. You can make flexible settings for
> > > advanced developers, leaving two facets by default. In tests, check
> > > these facets
> > > Never change them so that the developers themselves explicitly set the
> > > settings. IMHO, I think this will help to avoid such problems
> > >
> > > OK. Have a ticket?
> > >
> > > ??, 8 ???. 2021 ?. ? 13:52, Adrien Grand <jpountz@gmail.com>:
> > > >
> > > > Thanks for the feedback.
> > > >
> > > > We don't want to offer too many choices, as it complicates backward
> > > > compatibility testing, and want to stick to two options at most.
> > > >
> > > > Since this is the second time I'm seeing this feedback, I'm inclined
> to
> > > > reduce the block size for BEST_SPEED in order to trade a bit of
> > > compression
> > > > ratio for better decompression speed. I have some changes to stored
> > > fields
> > > > on my plate, I'll include this change as well.
> > > >
> > > > On Thu, Apr 8, 2021 at 7:04 AM ?????? ???????? <
> > > mihaylovnikitos@gmail.com>
> > > > wrote:
> > > >
> > > > > Hi
> > > > > BEST_SPEED has been changed in LUCENE-9447 and LUCENE-9486. For
> this
> > > > > reason, retrieving data from elasticsearch has slowed down by
> 10-20%.
> > > When
> > > > > there is a lot of data, this is critical
> > > > > Can developers leave the choice of which codec to use: LZ4(16kB)
> (old
> > > > > BEST_SPEED) or LZ4 with preset dict(BEST_SPEED_SAVING_DISKSIZE)? Or
> > > make
> > > > > more flexible settings?
> > > > >
> > > > > Otherwise, such changes may be a blocker or will have to spend
> money on
> > > > > buying new hardware
> > > > >
> > > >
> > > >
> > > > --
> > > > Adrien
> > >
> > > ---------------------------------------------------------------------
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> > >
> > >
> >
> > --
> > Adrien
>
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>
--
Adrien