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From: Walter Underwood <wunder@wunderwood.org>
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Subject: Re: Setting Solr data dir isn't really working (6.3.0)
Date: Fri, 24 Feb 2017 11:20:08 -0800
References: <1DC14231-D14D-4026-9553-A09D7D374726@wunderwood.org>
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To: solr-user@lucene.apache.org
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archived-at: Fri, 24 Feb 2017 19:20:40 -0000

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Thanks!=20

Now I need to write up the mistakes I made trying to use the solr =
command.

wunder
Walter Underwood
wunder@wunderwood.org
http://observer.wunderwood.org/  (my blog)


> On Feb 24, 2017, at 11:17 AM, Erick Erickson <erickerickson@gmail.com> =
wrote:
>=20
> bq: Which means the docs have a problem, since they are recommending
> something that should not be recommended
>=20
> Absolutely, just changed:
> =
https://cwiki.apache.org/confluence/display/solr/DataDir+and+DirectoryFact=
ory+in+SolrConfig.
> Was that the one that mislead you?
>=20
> Erick
>=20
> On Fri, Feb 24, 2017 at 10:42 AM, Walter Underwood
> <wunder@wunderwood.org> wrote:
>> Running with this, which works they way we want.
>>=20
>>  <dataDir>/solr/data/${solr.core.name}</dataDir>
>>=20
>> wunder
>> Walter Underwood
>> wunder@wunderwood.org
>> http://observer.wunderwood.org/  (my blog)
>>=20
>>> On Feb 24, 2017, at 10:08 AM, Walter Underwood =
<wunder@wunderwood.org> wrote:
>>>=20
>>> Dang it. I know better than that, but I was blindly following the =
docs. Which means the docs have a problem, since they are recommending =
something that should not be recommended.
>>>=20
>>> Putting variable data on a different volume is very common. Official =
support for that goes at least as far back as Unix V7 (1979), with /var. =
It should be easy to do in Solr.
>>>=20
>>> I expected to see the shard names as directories under /solr/data, =
but I now remember that I need to set that with a variable.
>>>=20
>>> Time to delete everything and rebuild everything again.
>>>=20
>>> wunder
>>> Walter Underwood
>>> wunder@wunderwood.org
>>> http://observer.wunderwood.org/  (my blog)
>>>=20
>>>=20
>>>> On Feb 24, 2017, at 8:30 AM, Shawn Heisey <apache@elyograg.org> =
wrote:
>>>>=20
>>>> On 2/23/2017 6:41 PM, Walter Underwood wrote:
>>>>> I did this in the solrconfig.xml for both collections (tutors and =
questions).
>>>>>=20
>>>>> <dataDir>/solr/data</dataDir>
>>>>>=20
>>>>> I deleted the old collection indexes, reloaded, restarted, and =
created a new collection for =E2=80=9Ctutors". And I see this on the =
disk.
>>>>=20
>>>> Setting dataDir in solrconfig.xml, especially to an absolute path =
like
>>>> that, is generally not a good idea.  It's VERY bad if that config =
will
>>>> be used by multiple cores.  The best place to do it is in
>>>> core.properties, so it's part of the core definition and =
independent of
>>>> config/schema.  IMHO it's best to make it a relative path.  Below =
is a
>>>> core.properties file from my dev system running 6.3.0, in a
>>>> "cores/sparkinc_0" directory under the solr home.
>>>>=20
>>>> I do not see anything broken in the directory listings you =
provided.
>>>> What do you see that is misplaced?
>>>>=20
>>>> With SolrCloud, I wouldn't be setting dataDir *at all* -- I would =
let
>>>> Solr handle that, mostly because the config for SolrCloud is not on =
the
>>>> disk and therefore dataDir doesn't need to be separated from =
instanceDir.
>>>>=20
>>>> #Written by CorePropertiesLocator
>>>> #Mon Feb 06 19:24:18 UTC 2017
>>>> name=3Dsparkinclive
>>>> loadonStartup=3Dfalse
>>>> dataDir=3D../../data/sparkinc_0
>>>> transient=3Dfalse
>>>>=20
>>>> Thanks,
>>>> Shawn
>>>>=20
>>>=20
>>=20


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