Re: solr optimize command

2018-11-30 Thread Christopher Schultz
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Shawn,

On 11/29/18 18:53, Shawn Heisey wrote:
> On 11/29/2018 4:41 PM, Christopher Schultz wrote:
>> When mine returned (with wait=true as a request parameter), I got
>> a JSON response telling me how long it took.
> 
> That's what I would expect.
> 
> If you have to explicitly include parameters like "wait" or 
> "waitSearcher" to make it block until the optimize is done, then in
> my mind, that's a bug.  That should be the default setting.  In the
> 7.5 reference guide, I only see "waitSearcher", and it says the
> default is true.

I didn't test it without that parameter. I used it because it was
suggested to me earlier this week on this list. It may in fact be
optional. I was using Solr 7.4.

- -chris
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Re: solr optimize command

2018-11-29 Thread Erick Erickson
Here's the scoop on optimize:
https://lucidworks.com/2017/10/13/segment-merging-deleted-documents-optimize-may-bad/

Note the link to how Solr 7.5 is different.

Best,
Erick
On Thu, Nov 29, 2018 at 3:53 PM Shawn Heisey  wrote:
>
> On 11/29/2018 4:41 PM, Christopher Schultz wrote:
> > When mine returned (with wait=true as a request parameter), I got a
> > JSON response telling me how long it took.
>
> That's what I would expect.
>
> If you have to explicitly include parameters like "wait" or
> "waitSearcher" to make it block until the optimize is done, then in my
> mind, that's a bug.  That should be the default setting.  In the 7.5
> reference guide, I only see "waitSearcher", and it says the default is true.
>
> Thanks,
> Shawn
>


Re: solr optimize command

2018-11-29 Thread Shawn Heisey

On 11/29/2018 4:41 PM, Christopher Schultz wrote:

When mine returned (with wait=true as a request parameter), I got a
JSON response telling me how long it took.


That's what I would expect.

If you have to explicitly include parameters like "wait" or 
"waitSearcher" to make it block until the optimize is done, then in my 
mind, that's a bug.  That should be the default setting.  In the 7.5 
reference guide, I only see "waitSearcher", and it says the default is true.


Thanks,
Shawn



Re: solr optimize command

2018-11-29 Thread Christopher Schultz
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Shawn,

On 11/29/18 17:56, Shawn Heisey wrote:
> On 11/28/2018 6:22 PM, Wei wrote:
>> I use the following http request to start solr index
>> optimization:
>> 
>> http://localhost:8983/solr//update?skipError=true -F
>> stream.body=' '
>> 
>> The request returns status code 200 shortly, but when looking at
>> the solr instance I noticed that actual optimization has not
>> completed yet as there are more than 1 segments. Is the optimize
>> command async? What is the best approach to validate that
>> optimize is truly completed?
> 
> I do not know how that request can return a 200 before the optimize
> job completes.  The "wait" parameters (one of which Christopher
> mentioned) should all default to true, and I don't see them on your
> request.  As far as I know, the operation is NOT asynchronous.  Are
> you absolutely sure that it returned a 200? I'd like to see the
> actual response to verify.
> 
> I hate to assume you're wrong, but I think it's probably more
> likely that your HTTP request timed out because of overly
> aggressive timeout settings, probably a socket timeout.  If you
> have definitive proof that you received the 200 and a
> normal-looking response, then we'll need to look deeper.  Do you
> have the entry in solr.log for the optimize request?

When mine returned (with wait=true as a request parameter), I got a
JSON response telling me how long it took.

- -chris
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Re: solr optimize command

2018-11-29 Thread Shawn Heisey

On 11/28/2018 6:22 PM, Wei wrote:

I use the following http request to start solr index optimization:

http://localhost:8983/solr//update?skipError=true -F stream.body='
'

The request returns status code 200 shortly, but when looking at the solr
instance I noticed that actual optimization has not completed yet as there
are more than 1 segments. Is the optimize command async? What is the best
approach to validate that optimize is truly completed?


I do not know how that request can return a 200 before the optimize job 
completes.  The "wait" parameters (one of which Christopher mentioned) 
should all default to true, and I don't see them on your request.  As 
far as I know, the operation is NOT asynchronous.  Are you absolutely 
sure that it returned a 200? I'd like to see the actual response to verify.


I hate to assume you're wrong, but I think it's probably more likely 
that your HTTP request timed out because of overly aggressive timeout 
settings, probably a socket timeout.  If you have definitive proof that 
you received the 200 and a normal-looking response, then we'll need to 
look deeper.  Do you have the entry in solr.log for the optimize request?


Thanks,
Shawn



Re: solr optimize command

2018-11-29 Thread Christopher Schultz
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Hash: SHA256

Wei,

On 11/28/18 20:22, Wei wrote:
> Hi,
> 
> I use the following http request to start solr index optimization:
> 
> http://localhost:8983/solr//update?skipError=true -F
> stream.body=' '
> 
> 
> The request returns status code 200 shortly, but when looking at
> the solr instance I noticed that actual optimization has not
> completed yet as there are more than 1 segments. Is the optimize
> command async? What is the best approach to validate that optimize
> is truly completed?

Try this instead:

http://localhost:8983/solr//update?optimize=true=true

This will wait until the operation has completed. Note that your
client (e.g. curl) may time-out after some time, so you'll want to
adjust that timeout to make sure the client doesn't give-up before the
optimization operation has completed.

As others have said, perhaps you don't actually need to optimize anythin
g.

- -chris
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Re: solr optimize command

2018-11-28 Thread Walter Underwood
Why do you think you need to optimize? Most configurations don’t need that.

And no, there is not synchronous optimize request.

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

> On Nov 28, 2018, at 6:50 PM, Zheng Lin Edwin Yeo  wrote:
> 
> Hi,
> 
> How big is your index size, and do you have enough space in your disk to do
> the optimization? You need at least twice the disk space in order for the
> optimization to be successful, and even more if you are still doing
> indexing during the optimization.
> 
> Also, which Solr version are you using?
> 
> Regards,
> Edwin
> 
> On Thu, 29 Nov 2018 at 09:23, Wei  wrote:
> 
>> Hi,
>> 
>> I use the following http request to start solr index optimization:
>> 
>> http://localhost:8983/solr//update?skipError=true -F stream.body='
>> '
>> 
>> 
>> The request returns status code 200 shortly, but when looking at the solr
>> instance I noticed that actual optimization has not completed yet as there
>> are more than 1 segments. Is the optimize command async? What is the best
>> approach to validate that optimize is truly completed?
>> 
>> 
>> Thanks,
>> 
>> Wei
>> 



Re: solr optimize command

2018-11-28 Thread Zheng Lin Edwin Yeo
Hi,

How big is your index size, and do you have enough space in your disk to do
the optimization? You need at least twice the disk space in order for the
optimization to be successful, and even more if you are still doing
indexing during the optimization.

Also, which Solr version are you using?

Regards,
Edwin

On Thu, 29 Nov 2018 at 09:23, Wei  wrote:

> Hi,
>
>  I use the following http request to start solr index optimization:
>
> http://localhost:8983/solr//update?skipError=true -F stream.body='
> '
>
>
>  The request returns status code 200 shortly, but when looking at the solr
> instance I noticed that actual optimization has not completed yet as there
> are more than 1 segments. Is the optimize command async? What is the best
> approach to validate that optimize is truly completed?
>
>
> Thanks,
>
> Wei
>


solr optimize command

2018-11-28 Thread Wei
Hi,

 I use the following http request to start solr index optimization:

http://localhost:8983/solr//update?skipError=true -F stream.body='
'


 The request returns status code 200 shortly, but when looking at the solr
instance I noticed that actual optimization has not completed yet as there
are more than 1 segments. Is the optimize command async? What is the best
approach to validate that optimize is truly completed?


Thanks,

Wei