# Mlockall

**URL:** <https://discuss.elastic.co/t/mlockall/22977>\
**Category:** Elasticsearch\
**Created:** [March 30, 2015, 11:24am UTC](https://discuss.elastic.co/t/mlockall/22977 "2015-03-30T11:24:51Z")\
**Posts on this page:** 11\
**Page:** 1

<div class="post-metadata">

**Author:** ![Cheten\_Dev](https://avatars.discourse-cdn.com/v4/letter/c/8e8cbc/32.png) [@Cheten\_Dev](https://discuss.elastic.co/u/Cheten_Dev)\
**Post date:** [March 30, 2015, 11:24am UTC](https://discuss.elastic.co/t/mlockall/22977/1 "2015-03-30T11:24:51Z")

</div>

Hi,

i have tried everything written on the document to set mlackall = true but  
nothing seems working here

what am i missing here ?

Thanks

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [March 31, 2015, 2:37am UTC](https://discuss.elastic.co/t/mlockall/22977/2 "2015-03-31T02:37:11Z")

</div>

A bit more info would be useful.

What version of ES, what OS?

On 30 March 2015 at 22:24, Chetan Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:

> Hi,
> 
> i have tried everything written on the document to set mlackall = true  
> but  
> nothing seems working here
> 
> what am i missing here ?
> 
> Thanks
> 
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> [https://groups.google.com/d/msgid/elasticsearch/5748d9fb-120a-4521-8caa-62b780ea0594%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/5748d9fb-120a-4521-8caa-62b780ea0594%40googlegroups.com?utm_medium=email&utm_source=footer)  
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**Author:** ![Cheten\_Dev](https://avatars.discourse-cdn.com/v4/letter/c/8e8cbc/32.png) [@Cheten\_Dev](https://discuss.elastic.co/u/Cheten_Dev)\
**Post date:** [March 31, 2015, 5:16am UTC](https://discuss.elastic.co/t/mlockall/22977/3 "2015-03-31T05:16:00Z")

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Hi,

I am on linux server with elasticsearch 1.5.0

On Tue, Mar 31, 2015 at 8:07 AM, Mark Walkom [markwalkom@gmail.com](mailto:markwalkom@gmail.com) wrote:

> A bit more info would be useful.
> 
> What version of ES, what OS?
> 
> On 30 March 2015 at 22:24, Chetan Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:
> 
> > Hi,
> > 
> > i have tried everything written on the document to set mlackall = true  
> > but  
> > nothing seems working here
> > 
> > what am i missing here ?
> > 
> > Thanks
> > 
> > --  
> > You received this message because you are subscribed to the Google Groups  
> > "elasticsearch" group.  
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> > [https://groups.google.com/d/msgid/elasticsearch/5748d9fb-120a-4521-8caa-62b780ea0594%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/5748d9fb-120a-4521-8caa-62b780ea0594%40googlegroups.com?utm_medium=email&utm_source=footer)  
> > .  
> > For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).
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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [March 31, 2015, 6:26am UTC](https://discuss.elastic.co/t/mlockall/22977/4 "2015-03-31T06:26:41Z")

</div>

Which linux?

On 31 March 2015 at 16:16, Cheten Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:

> Hi,
> 
> I am on linux server with elasticsearch 1.5.0
> 
> On Tue, Mar 31, 2015 at 8:07 AM, Mark Walkom [markwalkom@gmail.com](mailto:markwalkom@gmail.com) wrote:
> 
> > A bit more info would be useful.
> > 
> > What version of ES, what OS?
> > 
> > On 30 March 2015 at 22:24, Chetan Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:
> > 
> > > Hi,
> > > 
> > > i have tried everything written on the document to set mlackall = true  
> > > but  
> > > nothing seems working here
> > > 
> > > what am i missing here ?
> > > 
> > > Thanks
> > > 
> > > --  
> > > You received this message because you are subscribed to the Google  
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> > > [https://groups.google.com/d/msgid/elasticsearch/5748d9fb-120a-4521-8caa-62b780ea0594%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/5748d9fb-120a-4521-8caa-62b780ea0594%40googlegroups.com?utm_medium=email&utm_source=footer)  
> > > .  
> > > For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).
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**Author:** ![Cheten\_Dev](https://avatars.discourse-cdn.com/v4/letter/c/8e8cbc/32.png) [@Cheten\_Dev](https://discuss.elastic.co/u/Cheten_Dev)\
**Post date:** [March 31, 2015, 6:40am UTC](https://discuss.elastic.co/t/mlockall/22977/5 "2015-03-31T06:40:06Z")

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Hi,

here is the info

Distributor ID: Ubuntu  
Description: Ubuntu 14.04.1 LTS  
Release: 14.04  
Codename: trusty

I have tried to set mlockall = true on two server . i am able to  
successfully do it on one  
but not able to do it on other server

On Tue, Mar 31, 2015 at 11:56 AM, Mark Walkom [markwalkom@gmail.com](mailto:markwalkom@gmail.com) wrote:

> Which linux?
> 
> On 31 March 2015 at 16:16, Cheten Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:
> 
> > Hi,
> > 
> > I am on linux server with elasticsearch 1.5.0
> > 
> > On Tue, Mar 31, 2015 at 8:07 AM, Mark Walkom [markwalkom@gmail.com](mailto:markwalkom@gmail.com)  
> > wrote:
> > 
> > > A bit more info would be useful.
> > > 
> > > What version of ES, what OS?
> > > 
> > > On 30 March 2015 at 22:24, Chetan Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:
> > > 
> > > > Hi,
> > > > 
> > > > i have tried everything written on the document to set mlackall = true  
> > > > but  
> > > > nothing seems working here
> > > > 
> > > > what am i missing here ?
> > > > 
> > > > Thanks
> > > > 
> > > > --  
> > > > You received this message because you are subscribed to the Google  
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> > > > [https://groups.google.com/d/msgid/elasticsearch/5748d9fb-120a-4521-8caa-62b780ea0594%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/5748d9fb-120a-4521-8caa-62b780ea0594%40googlegroups.com?utm_medium=email&utm_source=footer)  
> > > > .  
> > > > For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).
> > > 
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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [March 31, 2015, 11:58pm UTC](https://discuss.elastic.co/t/mlockall/22977/6 "2015-03-31T23:58:53Z")

</div>

Can you show us the relevant config sections from the nodes that don't have  
mlockall set?

On 31 March 2015 at 17:40, Cheten Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:

> Hi,
> 
> here is the info
> 
> Distributor ID: Ubuntu  
> Description: Ubuntu 14.04.1 LTS  
> Release: 14.04  
> Codename: trusty
> 
> I have tried to set mlockall = true on two server . i am able to  
> successfully do it on one  
> but not able to do it on other server
> 
> On Tue, Mar 31, 2015 at 11:56 AM, Mark Walkom [markwalkom@gmail.com](mailto:markwalkom@gmail.com)  
> wrote:
> 
> > Which linux?
> > 
> > On 31 March 2015 at 16:16, Cheten Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:
> > 
> > > Hi,
> > > 
> > > I am on linux server with elasticsearch 1.5.0
> > > 
> > > On Tue, Mar 31, 2015 at 8:07 AM, Mark Walkom [markwalkom@gmail.com](mailto:markwalkom@gmail.com)  
> > > wrote:
> > > 
> > > > A bit more info would be useful.
> > > > 
> > > > What version of ES, what OS?
> > > > 
> > > > On 30 March 2015 at 22:24, Chetan Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:
> > > > 
> > > > > Hi,
> > > > > 
> > > > > i have tried everything written on the document to set mlackall = true  
> > > > > but  
> > > > > nothing seems working here
> > > > > 
> > > > > what am i missing here ?
> > > > > 
> > > > > Thanks
> > > > > 
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<div class="post-metadata">

**Author:** ![Cheten\_Dev](https://avatars.discourse-cdn.com/v4/letter/c/8e8cbc/32.png) [@Cheten\_Dev](https://discuss.elastic.co/u/Cheten_Dev)\
**Post date:** [April 1, 2015, 10:39am UTC](https://discuss.elastic.co/t/mlockall/22977/7 "2015-04-01T10:39:47Z")

</div>

Hi,

I don't know what config sections you are asking about, but here you can  
see information about two nodes

i have uncommented bootstrap:mlockall = true  
i have tried ulimit -l unlimited  
i also tried the following ./bin/elasticsearch -Djna.tmpdir=/some path/

but no success

root@ubuntu:~/chetan/elasticsearch-1.5.0/bin# curl  
localhost:9200/\_nodes/process ?pretty  
{  
"cluster\_name" : "CWESUBUNTU",  
"nodes" : {  
"rD-BkWRnQ-uE5\_VoWqStiA" : {  
"name" : "ubuntu200",  
"transport\_address" : "inet[/192.168.1.200:9300]",  
"host" : "ubuntu",  
"ip" : "192.168.1.200",  
"version" : "1.5.0",  
"build" : "5448160",  
"http\_address" : "inet[/192.168.1.200:9200]",  
"process" : {  
"refresh\_interval\_in\_millis" : 1000,  
"id" : 12999,  
"max\_file\_descriptors" : 99999,  
"mlockall" : false  
}  
},  
"vGHvM7ncQ9id36ZcpSIFDQ" : {  
"name" : "ubuntu202",  
"transport\_address" : "inet[/192.168.1.202:9300]",  
"host" : "ubuntu02",  
"ip" : "192.168.1.202",  
"version" : "1.5.0",  
"build" : "5448160",  
"http\_address" : "inet[/192.168.1.202:9200]",  
"process" : {  
"refresh\_interval\_in\_millis" : 1000,  
"id" : 12234,  
"max\_file\_descriptors" : 99999,  
"mlockall" : true  
}  
}  
}  
}

On Wed, Apr 1, 2015 at 5:28 AM, Mark Walkom [markwalkom@gmail.com](mailto:markwalkom@gmail.com) wrote:

> Can you show us the relevant config sections from the nodes that don't  
> have mlockall set?
> 
> On 31 March 2015 at 17:40, Cheten Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:
> 
> > Hi,
> > 
> > here is the info
> > 
> > Distributor ID: Ubuntu  
> > Description: Ubuntu 14.04.1 LTS  
> > Release: 14.04  
> > Codename: trusty
> > 
> > I have tried to set mlockall = true on two server . i am able to  
> > successfully do it on one  
> > but not able to do it on other server
> > 
> > On Tue, Mar 31, 2015 at 11:56 AM, Mark Walkom [markwalkom@gmail.com](mailto:markwalkom@gmail.com)  
> > wrote:
> > 
> > > Which linux?
> > > 
> > > On 31 March 2015 at 16:16, Cheten Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:
> > > 
> > > > Hi,
> > > > 
> > > > I am on linux server with elasticsearch 1.5.0
> > > > 
> > > > On Tue, Mar 31, 2015 at 8:07 AM, Mark Walkom [markwalkom@gmail.com](mailto:markwalkom@gmail.com)  
> > > > wrote:
> > > > 
> > > > > A bit more info would be useful.
> > > > > 
> > > > > What version of ES, what OS?
> > > > > 
> > > > > On 30 March 2015 at 22:24, Chetan Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:
> > > > > 
> > > > > > Hi,
> > > > > > 
> > > > > > i have tried everything written on the document to set mlackall =  
> > > > > > true but  
> > > > > > nothing seems working here
> > > > > > 
> > > > > > what am i missing here ?
> > > > > > 
> > > > > > Thanks
> > > > > > 
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<div class="post-metadata">

**Author:** ![lisak](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/lisak/32/618_2.png) [@lisak](https://discuss.elastic.co/u/lisak)\
**Post date:** [April 1, 2015, 2:21pm UTC](https://discuss.elastic.co/t/mlockall/22977/8 "2015-04-01T14:21:02Z")

</div>

I have the same problem with not only mlockall  
[http://stackoverflow.com/questions/29390654/some-of-elasticsearch-yml-configuration-is-not-taking-effect](http://stackoverflow.com/questions/29390654/some-of-elasticsearch-yml-configuration-is-not-taking-effect)

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**Post date:** [April 1, 2015, 9:17pm UTC](https://discuss.elastic.co/t/mlockall/22977/9 "2015-04-01T21:17:10Z")

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it's boostrap.mlcokall: true, not an equals, perhaps that is your problem?

On 1 April 2015 at 21:39, Cheten Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:

> Hi,
> 
> I don't know what config sections you are asking about, but here you can  
> see information about two nodes
> 
> i have uncommented bootstrap:mlockall = true  
> i have tried ulimit -l unlimited  
> i also tried the following ./bin/elasticsearch -Djna.tmpdir=/some path/
> 
> but no success
> 
> root@ubuntu:~/chetan/elasticsearch-1.5.0/bin# curl  
> localhost:9200/\_nodes/process ?pretty  
> {  
> "cluster\_name" : "CWESUBUNTU",  
> "nodes" : {  
> "rD-BkWRnQ-uE5\_VoWqStiA" : {  
> "name" : "ubuntu200",  
> "transport\_address" : "inet[/192.168.1.200:9300]",  
> "host" : "ubuntu",  
> "ip" : "192.168.1.200",  
> "version" : "1.5.0",  
> "build" : "5448160",  
> "http\_address" : "inet[/192.168.1.200:9200]",  
> "process" : {  
> "refresh\_interval\_in\_millis" : 1000,  
> "id" : 12999,  
> "max\_file\_descriptors" : 99999,  
> "mlockall" : false  
> }  
> },  
> "vGHvM7ncQ9id36ZcpSIFDQ" : {  
> "name" : "ubuntu202",  
> "transport\_address" : "inet[/192.168.1.202:9300]",  
> "host" : "ubuntu02",  
> "ip" : "192.168.1.202",  
> "version" : "1.5.0",  
> "build" : "5448160",  
> "http\_address" : "inet[/192.168.1.202:9200]",  
> "process" : {  
> "refresh\_interval\_in\_millis" : 1000,  
> "id" : 12234,  
> "max\_file\_descriptors" : 99999,  
> "mlockall" : true  
> }  
> }  
> }  
> }
> 
> On Wed, Apr 1, 2015 at 5:28 AM, Mark Walkom [markwalkom@gmail.com](mailto:markwalkom@gmail.com) wrote:
> 
> > Can you show us the relevant config sections from the nodes that don't  
> > have mlockall set?
> > 
> > On 31 March 2015 at 17:40, Cheten Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:
> > 
> > > Hi,
> > > 
> > > here is the info
> > > 
> > > Distributor ID: Ubuntu  
> > > Description: Ubuntu 14.04.1 LTS  
> > > Release: 14.04  
> > > Codename: trusty
> > > 
> > > I have tried to set mlockall = true on two server . i am able to  
> > > successfully do it on one  
> > > but not able to do it on other server
> > > 
> > > On Tue, Mar 31, 2015 at 11:56 AM, Mark Walkom [markwalkom@gmail.com](mailto:markwalkom@gmail.com)  
> > > wrote:
> > > 
> > > > Which linux?
> > > > 
> > > > On 31 March 2015 at 16:16, Cheten Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:
> > > > 
> > > > > Hi,
> > > > > 
> > > > > I am on linux server with elasticsearch 1.5.0
> > > > > 
> > > > > On Tue, Mar 31, 2015 at 8:07 AM, Mark Walkom [markwalkom@gmail.com](mailto:markwalkom@gmail.com)  
> > > > > wrote:
> > > > > 
> > > > > > A bit more info would be useful.
> > > > > > 
> > > > > > What version of ES, what OS?
> > > > > > 
> > > > > > On 30 March 2015 at 22:24, Chetan Dev [cheten.dev@carwale.com](mailto:cheten.dev@carwale.com) wrote:
> > > > > > 
> > > > > > > Hi,
> > > > > > > 
> > > > > > > i have tried everything written on the document to set mlackall =  
> > > > > > > true but  
> > > > > > > nothing seems working here
> > > > > > > 
> > > > > > > what am i missing here ?
> > > > > > > 
> > > > > > > Thanks
> > > > > > > 
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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [April 1, 2015, 9:20pm UTC](https://discuss.elastic.co/t/mlockall/22977/10 "2015-04-01T21:20:52Z")

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​The issue there is that these settings are node level, not cluster level.  
As you mentioned, use curl -XGET localhost:9200/\_nodes/​

On 2 April 2015 at 01:21, Jakub Liska [liska.jakub@gmail.com](mailto:liska.jakub@gmail.com) wrote:

> I have the same problem with not only mlockall  
> [http://stackoverflow.com/questions/29390654/some-of-elasticsearch-yml-configuration-is-not-taking-effect](http://stackoverflow.com/questions/29390654/some-of-elasticsearch-yml-configuration-is-not-taking-effect)
> 
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> .
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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 12:22am UTC](https://discuss.elastic.co/t/mlockall/22977/11 "2017-07-06T00:22:17Z")

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