How to check if solr cores have any issues and the node needs to be restarted

[swathi]

Hello Team,

I am trying to restart a node that has issues with the cores. I was hoping
to use CORE STATUS api and check whether it has any cores listed in the
initFailures or not.

Since all such cores do not respond to ping and receive traffic, I want to
put effort into finding out the reason from the stack trace of those cores
and verify whether the node needs to be restarted.

What kind of errors of the core would be shown by using the CORE status API
?



Thanks.

Provide suggestion on indexing performance

[Aman Tandon]

Hi,

We want to know about the indexing performance in the below mentioned
scenarios, consider the total number of 10 string fields and total number
of documents are 10 million.

1) indexed=true, stored=true
2) indexed=true, docValues=true

Which one should we prefer in terms of indexing performance, please share
your experience.

With regards,
Aman Tandon

Re: ways to check if document is in a huge search result set

[Derek Poh]

Some additional information.

I have a query from user that a supplier's product(s) is not in the 
search result.
I debugged by adding a fq on the supplier id to the query to verify the 
supplier's product is in thesearch result. The products do existin the 
search result.
I want to tell user in which page of the search result the supplier's 
product appear in. To do this I go through each page of the search 
result to find the supplier's product.
It is still fine if the search result has a few hundreds products but it 
will be a chore if the result have thousands. In this case there are 
more than 100,000 products in the result.


Any advice on easier ways to check which page the supplier's product or 
document appear in a search result?


On 9/11/2017 2:44 PM, Mikhail Khludnev wrote:

You can request facet field, query facet, filter or even explainOther.

On Mon, Sep 11, 2017 at 5:12 AM, Derek Poh  wrote:


Hi

I have a collection of productdocument.
Each productdocument has supplier information in it.

I need to check if a supplier's products is return in a search
resultcontaining over 100,000 products and in which page (assuming
pagination is 20 products per page).
Itis time-consuming and "labour-intensive" to go through each page to look
for the product of the supplier.

Would like to know if you guys have any better and easier waysto do this?

Derek

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Re: Solr JDBC and Basic Authentication

[Joel Bernstein]

I don't believe there is a work around for this at this time.

At Alfresco we are currently integrating the Solr's JDBC client into the
product and we'll be investigating approaches for securing the JDBC
connection. We'll be looking into the basic auth as part of this. So I
would expect to see progress on this in early 7x releases.

Joel Bernstein
http://joelsolr.blogspot.com/

On Mon, Sep 11, 2017 at 5:31 PM,  wrote:

> Hi all,
>
> I'm using Solr 6.6 with solrj for jdbc connections and query.
>
> In my Solr installation, configured in SolrCloud mode with 3 servers,
> basic authentication is enabled.
>
> When I try to connect and execute a query, I get "USER_REQUIRED auth
> header null" in log files.
>
> I found on some forums that there is an open issue ( SOLR-8213
> https://issues.apache.org/jira/browse/SOLR-8213 ) on this problem from 26
> October 2015.
>
> Is there a workaround on this or there is no way to use solr jdbc with
> authentication ?
>
> I'm trying to connect Apache Zeppelin to Apache Solr with jdbc
> interpreter, but I get this error.
>
> Thanks.
>

Re: Latest stable SOLR version

[Gunalan V]

Thanks Shawn!

On Mon, Sep 11, 2017 at 2:01 PM, Shawn Heisey  wrote:

> On 9/11/2017 9:36 AM, Gunalan V wrote:
> > In our project we are planning to use SOLR and I'm new to it. So, what is
> > the latest stable version we can use and that is supported by Apache?
>
> As of four days ago, the latest release is 6.6.1.  This is a point
> release, intended to fix known bugs in the 6.6.0 version without adding
> any new features.
>
> All releases are considered "stable", or they would not be released.
> Every attempt is made to find and fix problems before release, but bugs
> do happen.
>
> > Kindly let me know your suggestions because we started with installing
> SOLR
> > 6.2 but heard that there are many issues and need to be upgraded to 6.3
> or
> > so.
>
> If you need a search engine to be up and in production quickly, the
> recommendation right now is the latest version - 6.6.1.  This is the
> thirteenth release in the 6.x line, and represents over a year of new
> features and bugfixes since the 6.0.0 release.
>
> The 7.0 release is underway right now, and could be announced as soon as
> later this week.  It also might end up delayed.  That depends on whether
> problems are found and if so, what those problems are.
>
> If you have a longer timeframe before you need to be online, it would
> probably be a good idea to plan on testing 7.0 when it is released, and
> be ready to upgrade your test environment to new 7.x versions as they
> come out.  You could choose to test 6.6.1 and 7.x concurrently, and go
> with whichever version you can get working correctly.
>
> My personal feeling is that a brand new major release (x.0 version)
> should not be deployed into production without an extensive amount of
> testing.  That applies to ANY software, not just Solr.  It's not that I
> think the 7.0 version is going to be bad software.  It's just that it
> hasn't received any widespread user testing yet, so any major problems
> are currently unknown.  The developers do a lot of testing, but they can
> only come up with so many test scenarios.  Real-world installations tend
> to be better at sniffing out bugs.
>
> Thanks,
> Shawn
>
>

Re: Latest stable SOLR version

[Gunalan V]

Thanks Alessandro!

On Mon, Sep 11, 2017 at 11:31 AM, Alessandro Hoss  wrote:

> Solr 6.6.1 was already released on September 7:
>
> http://www.apache.org/dyn/closer.lua/lucene/solr/6.6.1
> Release notes: https://lucene.apache.org/solr/6_6_1/changes/Changes.html
>
> Guess you should give it a try.
>
> On Mon, Sep 11, 2017 at 1:15 PM Gunalan V  wrote:
>
> > Thank You!
> >
> > I believe 6.6 should have fixed all the previous version issues. But in
> 6.6
> > is there any major issues noticed?  if so I will go with 6.5.1 else will
> > proceed with 6.6.
> >
> > Kindly confirm!
> >
> >
> >
> > GVK
> >
> > On Mon, Sep 11, 2017 at 10:59 AM, Walter Underwood <
> wun...@wunderwood.org>
> > wrote:
> >
> > > We have been running 6.5.1 in production since May. I would not run
> > > anything before that.
> > >
> > > The new metrics code caused performance problems. That was fixed in
> > 6.5.0.
> > >
> > > There was a memory leak talking to Zookeeper. That was fixed in 6.5.1.
> > >
> > > Solr 6.6.1 should be released very soon.
> > >
> > > wunder
> > > Walter Underwood
> > > wun...@wunderwood.org
> > > http://observer.wunderwood.org/  (my blog)
> > >
> > >
> > > > On Sep 11, 2017, at 8:36 AM, Gunalan V 
> wrote:
> > > >
> > > > Hello,
> > > >
> > > > In our project we are planning to use SOLR and I'm new to it. So,
> what
> > is
> > > > the latest stable version we can use and that is supported by Apache?
> > > >
> > > > Kindly let me know your suggestions because we started with
> installing
> > > SOLR
> > > > 6.2 but heard that there are many issues and need to be upgraded to
> 6.3
> > > or
> > > > so.
> > > >
> > > >
> > > > Thanks,
> > > > GVK
> > >
> > >
> >
>

Solr JDBC and Basic Authentication

[calamita . agostino]

Hi all,

I'm using Solr 6.6 with solrj for jdbc connections and query.

In my Solr installation, configured in SolrCloud mode with 3 servers, basic 
authentication is enabled.

When I try to connect and execute a query, I get "USER_REQUIRED auth header 
null" in log files.

I found on some forums that there is an open issue ( SOLR-8213 
https://issues.apache.org/jira/browse/SOLR-8213 ) on this problem from 26 
October 2015.

Is there a workaround on this or there is no way to use solr jdbc with 
authentication ?

I'm trying to connect Apache Zeppelin to Apache Solr with jdbc interpreter, but 
I get this error.

Thanks.

Re: Solr Deleting Docs after Indexing

[Kaushik]

It was indeed the duplicate Id's. Somehow I thought I had it unique all the
way.

Thanks,
Kaushik

On Mon, Sep 11, 2017 at 3:21 PM, Susheel Kumar 
wrote:

> Does all 4 document's have same docID (Unqiue key)?
>
> On Mon, Sep 11, 2017 at 2:44 PM, Kaushik  wrote:
>
> > I am using Solr 5.3 and have a custom Solr J application to write to
> Solr.
> > When I index using this application, I expect to see 4 documents indexed.
> > But for some strange reason, 3 documents get deleted and there is always
> > only 1 document in the index. I say that because the final tally on the
> > Solr Admin console is
> > Num Docs: 1
> > Max Doc: 4
> > Deleted Docs: 3
> >
> >
> > How and where in Solr/logs can I find why the documents are being
> deleted?
> >
> > Thanks,
> > Kaushik
> >
>

SolrCloud 5.3.1 "IndexWriter is closed"

[Kelly, Frank]

Just wondering if anyone has seen this before and might understand why this is 
happening

When we deploy a new schema.xml adding some new search terms we get the dreaded 
“IndexWriter is closed” exception and the only solution we have found to date 
is a Solr restart :-(

Environment:

  *   Solr 5.3.1 in Solr Cloud (3 shards each with 3 replicas across 3 EC2 Vms)
  *   300m+ documents (60+ GB index)
  *   Relevant settings?
 *   SOLR_OPTS="$SOLR_OPTS -Dsolr.autoSoftCommit.maxTime=1000”
 *   SOLR_OPTS="$SOLR_OPTS -Dsolr.autoCommit.maxTime=30"

Is there anything “unsafe” about reload on a collection that is handling live 
traffic?
Could be related to https://issues.apache.org/jira/browse/SOLR-9830
And https://issues.apache.org/jira/browse/SOLR-9699 in particular?

Cheers!

-Frank
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Frank Kelly

Principal Software Engineer

Identity Profile Team (SCBE, Traces, CDA)


HERE

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Re: Solr Deleting Docs after Indexing

[Susheel Kumar]

Does all 4 document's have same docID (Unqiue key)?

On Mon, Sep 11, 2017 at 2:44 PM, Kaushik  wrote:

> I am using Solr 5.3 and have a custom Solr J application to write to Solr.
> When I index using this application, I expect to see 4 documents indexed.
> But for some strange reason, 3 documents get deleted and there is always
> only 1 document in the index. I say that because the final tally on the
> Solr Admin console is
> Num Docs: 1
> Max Doc: 4
> Deleted Docs: 3
>
>
> How and where in Solr/logs can I find why the documents are being deleted?
>
> Thanks,
> Kaushik
>

Re: Latest stable SOLR version

[Shawn Heisey]

On 9/11/2017 9:36 AM, Gunalan V wrote:
> In our project we are planning to use SOLR and I'm new to it. So, what is
> the latest stable version we can use and that is supported by Apache?

As of four days ago, the latest release is 6.6.1.  This is a point
release, intended to fix known bugs in the 6.6.0 version without adding
any new features.

All releases are considered "stable", or they would not be released. 
Every attempt is made to find and fix problems before release, but bugs
do happen.

> Kindly let me know your suggestions because we started with installing SOLR
> 6.2 but heard that there are many issues and need to be upgraded to 6.3 or
> so.

If you need a search engine to be up and in production quickly, the
recommendation right now is the latest version - 6.6.1.  This is the
thirteenth release in the 6.x line, and represents over a year of new
features and bugfixes since the 6.0.0 release.

The 7.0 release is underway right now, and could be announced as soon as
later this week.  It also might end up delayed.  That depends on whether
problems are found and if so, what those problems are.

If you have a longer timeframe before you need to be online, it would
probably be a good idea to plan on testing 7.0 when it is released, and
be ready to upgrade your test environment to new 7.x versions as they
come out.  You could choose to test 6.6.1 and 7.x concurrently, and go
with whichever version you can get working correctly.

My personal feeling is that a brand new major release (x.0 version)
should not be deployed into production without an extensive amount of
testing.  That applies to ANY software, not just Solr.  It's not that I
think the 7.0 version is going to be bad software.  It's just that it
hasn't received any widespread user testing yet, so any major problems
are currently unknown.  The developers do a lot of testing, but they can
only come up with so many test scenarios.  Real-world installations tend
to be better at sniffing out bugs.

Thanks,
Shawn

Solr Deleting Docs after Indexing

[Kaushik]

I am using Solr 5.3 and have a custom Solr J application to write to Solr.
When I index using this application, I expect to see 4 documents indexed.
But for some strange reason, 3 documents get deleted and there is always
only 1 document in the index. I say that because the final tally on the
Solr Admin console is
Num Docs: 1
Max Doc: 4
Deleted Docs: 3


How and where in Solr/logs can I find why the documents are being deleted?

Thanks,
Kaushik

RE: multi language search engine in solr

[Junte Zhang]

Having the language already separated makes it a lot easier. 

You could add the language suffix (e.g. 3 letter with ISO 639-2B 
https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes) per field where you have 
the different languages. Or else you could have copied an entire field to their 
language-analyzed fields, and hope that would be good enough for matching. 

I think Malay should be very similar to Indonesian 
(https://wiki.apache.org/solr/LanguageAnalysis#Indonesian). However, you could 
extend this by adding your own dictionary (keywords) and stopwords (if that is 
desirable).

/JZ

-Original Message-
From: Mugeesh Husain [mailto:muge...@gmail.com] 
Sent: Monday, September 11, 2017 3:46 AM
To: solr-user@lucene.apache.org
Subject: Re: multi language search engine in solr

Thank you rick for your response.

The document document have sepearte of the lanaguage instead of mix of Arabic, 
English, Bengali, Hindi, Malay.

I coul not find any tokenizer for Malay, can you suggest me if you know please.



--
Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html

Re: Latest stable SOLR version

[Alessandro Hoss]

Solr 6.6.1 was already released on September 7:

http://www.apache.org/dyn/closer.lua/lucene/solr/6.6.1
Release notes: https://lucene.apache.org/solr/6_6_1/changes/Changes.html

Guess you should give it a try.

On Mon, Sep 11, 2017 at 1:15 PM Gunalan V  wrote:

> Thank You!
>
> I believe 6.6 should have fixed all the previous version issues. But in 6.6
> is there any major issues noticed?  if so I will go with 6.5.1 else will
> proceed with 6.6.
>
> Kindly confirm!
>
>
>
> GVK
>
> On Mon, Sep 11, 2017 at 10:59 AM, Walter Underwood 
> wrote:
>
> > We have been running 6.5.1 in production since May. I would not run
> > anything before that.
> >
> > The new metrics code caused performance problems. That was fixed in
> 6.5.0.
> >
> > There was a memory leak talking to Zookeeper. That was fixed in 6.5.1.
> >
> > Solr 6.6.1 should be released very soon.
> >
> > wunder
> > Walter Underwood
> > wun...@wunderwood.org
> > http://observer.wunderwood.org/  (my blog)
> >
> >
> > > On Sep 11, 2017, at 8:36 AM, Gunalan V  wrote:
> > >
> > > Hello,
> > >
> > > In our project we are planning to use SOLR and I'm new to it. So, what
> is
> > > the latest stable version we can use and that is supported by Apache?
> > >
> > > Kindly let me know your suggestions because we started with installing
> > SOLR
> > > 6.2 but heard that there are many issues and need to be upgraded to 6.3
> > or
> > > so.
> > >
> > >
> > > Thanks,
> > > GVK
> >
> >
>

Re: Latest stable SOLR version

[Gunalan V]

Thank You!

I believe 6.6 should have fixed all the previous version issues. But in 6.6
is there any major issues noticed?  if so I will go with 6.5.1 else will
proceed with 6.6.

Kindly confirm!



GVK

On Mon, Sep 11, 2017 at 10:59 AM, Walter Underwood 
wrote:

> We have been running 6.5.1 in production since May. I would not run
> anything before that.
>
> The new metrics code caused performance problems. That was fixed in 6.5.0.
>
> There was a memory leak talking to Zookeeper. That was fixed in 6.5.1.
>
> Solr 6.6.1 should be released very soon.
>
> wunder
> Walter Underwood
> wun...@wunderwood.org
> http://observer.wunderwood.org/  (my blog)
>
>
> > On Sep 11, 2017, at 8:36 AM, Gunalan V  wrote:
> >
> > Hello,
> >
> > In our project we are planning to use SOLR and I'm new to it. So, what is
> > the latest stable version we can use and that is supported by Apache?
> >
> > Kindly let me know your suggestions because we started with installing
> SOLR
> > 6.2 but heard that there are many issues and need to be upgraded to 6.3
> or
> > so.
> >
> >
> > Thanks,
> > GVK
>
>

Re: Latest stable SOLR version

[Walter Underwood]

We have been running 6.5.1 in production since May. I would not run anything 
before that.

The new metrics code caused performance problems. That was fixed in 6.5.0.

There was a memory leak talking to Zookeeper. That was fixed in 6.5.1.

Solr 6.6.1 should be released very soon.

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


> On Sep 11, 2017, at 8:36 AM, Gunalan V  wrote:
> 
> Hello,
> 
> In our project we are planning to use SOLR and I'm new to it. So, what is
> the latest stable version we can use and that is supported by Apache?
> 
> Kindly let me know your suggestions because we started with installing SOLR
> 6.2 but heard that there are many issues and need to be upgraded to 6.3 or
> so.
> 
> 
> Thanks,
> GVK

Latest stable SOLR version

[Gunalan V]

Hello,

In our project we are planning to use SOLR and I'm new to it. So, what is
the latest stable version we can use and that is supported by Apache?

Kindly let me know your suggestions because we started with installing SOLR
6.2 but heard that there are many issues and need to be upgraded to 6.3 or
so.


Thanks,
GVK

Re: Arabic words search in solr

[mohanmca01]

Hi Aman Deep Singh,

Thanks for the information.

We tried with EdgeNGramFilterFactory but it's not workingWe are not
getting expected results. 

Can you please suggest us alternative possible ways..

Thanks,




--
Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html

Re: commit time in solr cloud

[Susheel Kumar]

Hi Wei,

I'm assuming the lastModified time is when latest hard commit happens. Is
that correct?

>> Yes. its correct.

I also see sometime difference between replicas and leader commit
timestamps where the "diff/lag < autoCommit interval". So in your case you
noticed like upto 10 mins.
My guess is due to different start time of these replica/leader node, their
commit may happen at different times and thus you would see the difference.

Thanks,
Susheel

On Fri, Sep 8, 2017 at 3:06 PM, Wei  wrote:

> Hi,
>
> In solr cloud we want to track the last commit time on each node. The
> information source is from the luke handler:
>  admin/luke?numTerms=0=json, e.g.
>
>
>- userData:
>{
>   - commitTimeMSec: "1504895505447"
>   },
>- lastModified: "2017-09-08T18:31:45.447Z"
>
>
>
> I'm assuming the lastModified time is when latest hard commit happens. Is
> that correct?
>
> On all nodes we have autoCommit set to 15 mins interval. One observation I
> don't  understand is quite often the last commit time on shard leaders lags
> behind the last commit time on replicas, some times the lag is over 10
> minutes.  My understanding is that as update requests goes to leader first,
> the timer on the leaders would start earlier than the replicas. Am I
> missing something here?
>
> Thanks,
> Wei
>

Re: multi language search engine in solr

[Tommaso Teofili]

another thing to consider is what users would expect, would english user
search over english docs only ? if yes, the most important task would be to
correctly set up / create accurate per language analyzers, otherwise you
may consider to also adopt machine translation, either on the search
queries or on the resulting docs, me and a friend of mine gave a talk at
bbuzz this year [1].

My 2 cents,
Tommaso

[1] :
https://berlinbuzzwords.de/17/session/embracing-diversity-searching-over-multiple-languages

Il giorno lun 11 set 2017 alle ore 03:46 Mugeesh Husain 
ha scritto:

> Thank you rick for your response.
>
> The document document have sepearte of the lanaguage instead of mix of
> Arabic, English, Bengali, Hindi, Malay.
>
> I coul not find any tokenizer for Malay, can you suggest me if you know
> please.
>
>
>
> --
> Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html
>

Synonyms update on Solr Cloud.

[Sairam Yadav Kurumathy]

Hi,

I'm using solr version 6.4.2 and I've started solr using cmd "solr -e cloud
-noprompt" on windows.

I wanted to update synonyms.txt file.

When i ran the cmd "*./server/scripts/cloud-scripts/zkcli.sh -cmd upconfig
-zkhost localhost:9983 -confdir
./server/solr/configsets/data_driven_schema_configs/conf/ -confname
gettingstarted*" using curl in windows.

I've got below error.

 "*Error: Could not find or load main class org.apache.solr.cloud.ZkCLI*".

Thanks in advance.

Thanks,

 Sairam

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Re: ways to check if document is in a huge search result set

[Mikhail Khludnev]

You can request facet field, query facet, filter or even explainOther.

On Mon, Sep 11, 2017 at 5:12 AM, Derek Poh  wrote:

> Hi
>
> I have a collection of productdocument.
> Each productdocument has supplier information in it.
>
> I need to check if a supplier's products is return in a search
> resultcontaining over 100,000 products and in which page (assuming
> pagination is 20 products per page).
> Itis time-consuming and "labour-intensive" to go through each page to look
> for the product of the supplier.
>
> Would like to know if you guys have any better and easier waysto do this?
>
> Derek
>
> --
> CONFIDENTIALITY NOTICE
> This e-mail (including any attachments) may contain confidential and/or
> privileged information. If you are not the intended recipient or have
> received this e-mail in error, please inform the sender immediately and
> delete this e-mail (including any attachments) from your computer, and you
> must not use, disclose to anyone else or copy this e-mail (including any
> attachments), whether in whole or in part.
> This e-mail and any reply to it may be monitored for security, legal,
> regulatory compliance and/or other appropriate reasons.




-- 
Sincerely yours
Mikhail Khludnev

Re: ways to check if document is in a huge search result set

[Michael Kuhlmann]

Maybe I don't understand your problem, but why don't you just filter by
"supplier information"?

-Michael

Am 11.09.2017 um 04:12 schrieb Derek Poh:
> Hi
>
> I have a collection of productdocument.
> Each productdocument has supplier information in it.
>
> I need to check if a supplier's products is return in a search
> resultcontaining over 100,000 products and in which page (assuming
> pagination is 20 products per page).
> Itis time-consuming and "labour-intensive" to go through each page to
> look for the product of the supplier.
>
> Would like to know if you guys have any better and easier waysto do this?
>
> Derek
>
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