Encountered monitor.jvm warning

Hi all,

we today got (for the first time) warning messages which seem to indicate a
memory problem:
[2015-03-24 09:08:12,960][WARN ][monitor.jvm ] [Danger]
[gc][young][413224][18109] duration [5m], collections [1]/[5.3m], total
[5m]/[16.7m], memory [7.9gb]->[3.7gb]/[9.8gb], all_pools {[young]
[853.9mb]->[6.1mb]/[1.1gb]}{[survivor] [149.7mb]->[0b]/[149.7mb]}{[old]
[6.9gb]->[3.7gb]/[8.5gb]}
[2015-03-24 09:08:12,960][WARN ][monitor.jvm ] [Danger]
[gc][old][413224][104] duration [18.4s], collections [1]/[5.3m], total
[18.4s]/[58s], memory [7.9gb]->[3.7gb]/[9.8gb], all_pools {[young]
[853.9mb]->[6.1mb]/[1.1gb]}{[survivor] [149.7mb]->[0b]/[149.7mb]}{[old]
[6.9gb]->[3.7gb]/[8.5gb]}
[2015-03-24 09:08:15,372][WARN ][monitor.jvm ] [Danger]
[gc][young][413225][18110] duration [1.4s], collections [1]/[2.4s], total
[1.4s]/[16.7m], memory [3.7gb]->[5gb]/[9.8gb], all_pools {[young]
[6.1mb]->[2.7mb]/[1.1gb]}{[survivor] [0b]->[149.7mb]/[149.7mb]}{[old]
[3.7gb]->[4.9gb]/[8.5gb]}
[2015-03-24 09:08:18,192][WARN ][monitor.jvm ] [Danger]
[gc][young][413227][18111] duration [1.4s], collections [1]/[1.8s], total
[1.4s]/[16.7m], memory [5.8gb]->[6.2gb]/[9.8gb], all_pools {[young]
[845.4mb]->[1.2mb]/[1.1gb]}{[survivor]
[149.7mb]->[149.7mb]/[149.7mb]}{[old] [4.9gb]->[6gb]/[8.5gb]}
[2015-03-24 09:08:21,506][WARN ][monitor.jvm ] [Danger]
[gc][young][413229][18112] duration [1.2s], collections [1]/[2.3s], total
[1.2s]/[16.7m], memory [7gb]->[7.3gb]/[9.8gb], all_pools {[young]
[848.6mb]->[2.1mb]/[1.1gb]}{[survivor]
[149.7mb]->[149.7mb]/[149.7mb]}{[old] [6gb]->[7.2gb]/[8.5gb]}

We're using ES 1.4.2 as a single node cluster, ES_HEAP is set to 10g, other
settings are defaults. From previous posts related to this issue, it is
said that field data cache may be a problem.

Requesting */_nodes/stats/indices/fielddata *says:
{
"cluster_name": "my_cluster",
"nodes": {
"ILUggMfTSvix8Kc0nfNVAw": {
"timestamp": 1427188716203,
"name": "Danger",
"transport_address": "inet[/192.168.110.91:9300]",
"host": "xxx",
"ip": [
"inet[/192.168.110.91:9300]",
"NONE"
],
"indices": {
"fielddata": {
"memory_size_in_bytes": 64822224,
"evictions": 0
}
}
}
}
}

Running top results in:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
12735 root 20 0 15.8g 10g 0 S 74 13.2 2485:26 java

Any ideas what to do? If possible I would rather avoid increasing ES_HEAP
as there isn't that much free memory left on the host.

Regards,

Abid

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what is the new gen setting? how much is the system memory in total?
how many cpu cores in the node? what query do you use?

jason

On Tue, Mar 24, 2015 at 5:26 PM, Abid Hussain
hussain@novacom.mygbiz.com wrote:

Hi all,

we today got (for the first time) warning messages which seem to indicate a
memory problem:
[2015-03-24 09:08:12,960][WARN ][monitor.jvm ] [Danger]
[gc][young][413224][18109] duration [5m], collections [1]/[5.3m], total
[5m]/[16.7m], memory [7.9gb]->[3.7gb]/[9.8gb], all_pools {[young]
[853.9mb]->[6.1mb]/[1.1gb]}{[survivor] [149.7mb]->[0b]/[149.7mb]}{[old]
[6.9gb]->[3.7gb]/[8.5gb]}
[2015-03-24 09:08:12,960][WARN ][monitor.jvm ] [Danger]
[gc][old][413224][104] duration [18.4s], collections [1]/[5.3m], total
[18.4s]/[58s], memory [7.9gb]->[3.7gb]/[9.8gb], all_pools {[young]
[853.9mb]->[6.1mb]/[1.1gb]}{[survivor] [149.7mb]->[0b]/[149.7mb]}{[old]
[6.9gb]->[3.7gb]/[8.5gb]}
[2015-03-24 09:08:15,372][WARN ][monitor.jvm ] [Danger]
[gc][young][413225][18110] duration [1.4s], collections [1]/[2.4s], total
[1.4s]/[16.7m], memory [3.7gb]->[5gb]/[9.8gb], all_pools {[young]
[6.1mb]->[2.7mb]/[1.1gb]}{[survivor] [0b]->[149.7mb]/[149.7mb]}{[old]
[3.7gb]->[4.9gb]/[8.5gb]}
[2015-03-24 09:08:18,192][WARN ][monitor.jvm ] [Danger]
[gc][young][413227][18111] duration [1.4s], collections [1]/[1.8s], total
[1.4s]/[16.7m], memory [5.8gb]->[6.2gb]/[9.8gb], all_pools {[young]
[845.4mb]->[1.2mb]/[1.1gb]}{[survivor] [149.7mb]->[149.7mb]/[149.7mb]}{[old]
[4.9gb]->[6gb]/[8.5gb]}
[2015-03-24 09:08:21,506][WARN ][monitor.jvm ] [Danger]
[gc][young][413229][18112] duration [1.2s], collections [1]/[2.3s], total
[1.2s]/[16.7m], memory [7gb]->[7.3gb]/[9.8gb], all_pools {[young]
[848.6mb]->[2.1mb]/[1.1gb]}{[survivor] [149.7mb]->[149.7mb]/[149.7mb]}{[old]
[6gb]->[7.2gb]/[8.5gb]}

We're using ES 1.4.2 as a single node cluster, ES_HEAP is set to 10g, other
settings are defaults. From previous posts related to this issue, it is said
that field data cache may be a problem.

Requesting /_nodes/stats/indices/fielddata says:
{
"cluster_name": "my_cluster",
"nodes": {
"ILUggMfTSvix8Kc0nfNVAw": {
"timestamp": 1427188716203,
"name": "Danger",
"transport_address": "inet[/192.168.110.91:9300]",
"host": "xxx",
"ip": [
"inet[/192.168.110.91:9300]",
"NONE"
],
"indices": {
"fielddata": {
"memory_size_in_bytes": 64822224,
"evictions": 0
}
}
}
}
}

Running top results in:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
12735 root 20 0 15.8g 10g 0 S 74 13.2 2485:26 java

Any ideas what to do? If possible I would rather avoid increasing ES_HEAP as
there isn't that much free memory left on the host.

Regards,

Abid

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All settings except from ES_HEAP (set to 10 GB) are defaults, so I actually
am not sure about the new gen setting.

The host has 80 GB memory in total and 24 CPU cores. All ES indices
together sum up to ~32 GB where the biggest indices are of size ~8 GB.

We are using queries mostly together with filters and also aggregations.

We "solved" the problem with a restart of the cluster. Are there any
recommended diagnostics to be performed when this problem occurs next time?

Regards,

Abid

Am Dienstag, 24. März 2015 15:24:43 UTC+1 schrieb Jason Wee:

what is the new gen setting? how much is the system memory in total?
how many cpu cores in the node? what query do you use?

jason

On Tue, Mar 24, 2015 at 5:26 PM, Abid Hussain
<hus...@novacom.mygbiz.com <javascript:>> wrote:

Hi all,

we today got (for the first time) warning messages which seem to
indicate a
memory problem:
[2015-03-24 09:08:12,960][WARN ][monitor.jvm ] [Danger]
[gc][young][413224][18109] duration [5m], collections [1]/[5.3m], total
[5m]/[16.7m], memory [7.9gb]->[3.7gb]/[9.8gb], all_pools {[young]
[853.9mb]->[6.1mb]/[1.1gb]}{[survivor] [149.7mb]->[0b]/[149.7mb]}{[old]
[6.9gb]->[3.7gb]/[8.5gb]}
[2015-03-24 09:08:12,960][WARN ][monitor.jvm ] [Danger]
[gc][old][413224][104] duration [18.4s], collections [1]/[5.3m], total
[18.4s]/[58s], memory [7.9gb]->[3.7gb]/[9.8gb], all_pools {[young]
[853.9mb]->[6.1mb]/[1.1gb]}{[survivor] [149.7mb]->[0b]/[149.7mb]}{[old]
[6.9gb]->[3.7gb]/[8.5gb]}
[2015-03-24 09:08:15,372][WARN ][monitor.jvm ] [Danger]
[gc][young][413225][18110] duration [1.4s], collections [1]/[2.4s],
total
[1.4s]/[16.7m], memory [3.7gb]->[5gb]/[9.8gb], all_pools {[young]
[6.1mb]->[2.7mb]/[1.1gb]}{[survivor] [0b]->[149.7mb]/[149.7mb]}{[old]
[3.7gb]->[4.9gb]/[8.5gb]}
[2015-03-24 09:08:18,192][WARN ][monitor.jvm ] [Danger]
[gc][young][413227][18111] duration [1.4s], collections [1]/[1.8s],
total
[1.4s]/[16.7m], memory [5.8gb]->[6.2gb]/[9.8gb], all_pools {[young]
[845.4mb]->[1.2mb]/[1.1gb]}{[survivor]
[149.7mb]->[149.7mb]/[149.7mb]}{[old]
[4.9gb]->[6gb]/[8.5gb]}
[2015-03-24 09:08:21,506][WARN ][monitor.jvm ] [Danger]
[gc][young][413229][18112] duration [1.2s], collections [1]/[2.3s],
total
[1.2s]/[16.7m], memory [7gb]->[7.3gb]/[9.8gb], all_pools {[young]
[848.6mb]->[2.1mb]/[1.1gb]}{[survivor]
[149.7mb]->[149.7mb]/[149.7mb]}{[old]
[6gb]->[7.2gb]/[8.5gb]}

We're using ES 1.4.2 as a single node cluster, ES_HEAP is set to 10g,
other
settings are defaults. From previous posts related to this issue, it is
said
that field data cache may be a problem.

Requesting /_nodes/stats/indices/fielddata says:
{
"cluster_name": "my_cluster",
"nodes": {
"ILUggMfTSvix8Kc0nfNVAw": {
"timestamp": 1427188716203,
"name": "Danger",
"transport_address": "inet[/192.168.110.91:9300]",
"host": "xxx",
"ip": [
"inet[/192.168.110.91:9300]",
"NONE"
],
"indices": {
"fielddata": {
"memory_size_in_bytes": 64822224,
"evictions": 0
}
}
}
}
}

Running top results in:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
12735 root 20 0 15.8g 10g 0 S 74 13.2 2485:26 java

Any ideas what to do? If possible I would rather avoid increasing
ES_HEAP as
there isn't that much free memory left on the host.

Regards,

Abid

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Groups
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For more options, visit https://groups.google.com/d/optout.

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Few filters should be fine but aggregations... hm....

You could use dump stack trace and/or heap dump if it happen again and
start to analyze from there. Try as well,

hth

jason

On Tue, Mar 24, 2015 at 11:59 PM, Abid Hussain
hussain@novacom.mygbiz.com wrote:

All settings except from ES_HEAP (set to 10 GB) are defaults, so I actually
am not sure about the new gen setting.

The host has 80 GB memory in total and 24 CPU cores. All ES indices together
sum up to ~32 GB where the biggest indices are of size ~8 GB.

We are using queries mostly together with filters and also aggregations.

We "solved" the problem with a restart of the cluster. Are there any
recommended diagnostics to be performed when this problem occurs next time?

Regards,

Abid

Am Dienstag, 24. März 2015 15:24:43 UTC+1 schrieb Jason Wee:

what is the new gen setting? how much is the system memory in total?
how many cpu cores in the node? what query do you use?

jason

On Tue, Mar 24, 2015 at 5:26 PM, Abid Hussain
hus...@novacom.mygbiz.com wrote:

Hi all,

we today got (for the first time) warning messages which seem to
indicate a
memory problem:
[2015-03-24 09:08:12,960][WARN ][monitor.jvm ] [Danger]
[gc][young][413224][18109] duration [5m], collections [1]/[5.3m], total
[5m]/[16.7m], memory [7.9gb]->[3.7gb]/[9.8gb], all_pools {[young]
[853.9mb]->[6.1mb]/[1.1gb]}{[survivor] [149.7mb]->[0b]/[149.7mb]}{[old]
[6.9gb]->[3.7gb]/[8.5gb]}
[2015-03-24 09:08:12,960][WARN ][monitor.jvm ] [Danger]
[gc][old][413224][104] duration [18.4s], collections [1]/[5.3m], total
[18.4s]/[58s], memory [7.9gb]->[3.7gb]/[9.8gb], all_pools {[young]
[853.9mb]->[6.1mb]/[1.1gb]}{[survivor] [149.7mb]->[0b]/[149.7mb]}{[old]
[6.9gb]->[3.7gb]/[8.5gb]}
[2015-03-24 09:08:15,372][WARN ][monitor.jvm ] [Danger]
[gc][young][413225][18110] duration [1.4s], collections [1]/[2.4s],
total
[1.4s]/[16.7m], memory [3.7gb]->[5gb]/[9.8gb], all_pools {[young]
[6.1mb]->[2.7mb]/[1.1gb]}{[survivor] [0b]->[149.7mb]/[149.7mb]}{[old]
[3.7gb]->[4.9gb]/[8.5gb]}
[2015-03-24 09:08:18,192][WARN ][monitor.jvm ] [Danger]
[gc][young][413227][18111] duration [1.4s], collections [1]/[1.8s],
total
[1.4s]/[16.7m], memory [5.8gb]->[6.2gb]/[9.8gb], all_pools {[young]
[845.4mb]->[1.2mb]/[1.1gb]}{[survivor]
[149.7mb]->[149.7mb]/[149.7mb]}{[old]
[4.9gb]->[6gb]/[8.5gb]}
[2015-03-24 09:08:21,506][WARN ][monitor.jvm ] [Danger]
[gc][young][413229][18112] duration [1.2s], collections [1]/[2.3s],
total
[1.2s]/[16.7m], memory [7gb]->[7.3gb]/[9.8gb], all_pools {[young]
[848.6mb]->[2.1mb]/[1.1gb]}{[survivor]
[149.7mb]->[149.7mb]/[149.7mb]}{[old]
[6gb]->[7.2gb]/[8.5gb]}

We're using ES 1.4.2 as a single node cluster, ES_HEAP is set to 10g,
other
settings are defaults. From previous posts related to this issue, it is
said
that field data cache may be a problem.

Requesting /_nodes/stats/indices/fielddata says:
{
"cluster_name": "my_cluster",
"nodes": {
"ILUggMfTSvix8Kc0nfNVAw": {
"timestamp": 1427188716203,
"name": "Danger",
"transport_address": "inet[/192.168.110.91:9300]",
"host": "xxx",
"ip": [
"inet[/192.168.110.91:9300]",
"NONE"
],
"indices": {
"fielddata": {
"memory_size_in_bytes": 64822224,
"evictions": 0
}
}
}
}
}

Running top results in:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
12735 root 20 0 15.8g 10g 0 S 74 13.2 2485:26 java

Any ideas what to do? If possible I would rather avoid increasing
ES_HEAP as
there isn't that much free memory left on the host.

Regards,

Abid

--
You received this message because you are subscribed to the Google
Groups
"elasticsearch" group.
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For more options, visit https://groups.google.com/d/optout.

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Maybe aggregations are a cause for memory problems. According to the docs,
we set the fielddata cache property to
indices.fielddata.cache.size: 40%
... hoping this will help to avoid this kind of issues.

Regards,

Abid

Am Mittwoch, 25. März 2015 00:47:09 UTC+1 schrieb Jason Wee:

Few filters should be fine but aggregations... hm....

You could use dump stack trace and/or heap dump if it happen again and
start to analyze from there. Try as well,

Nodes hot threads API | Elasticsearch Guide [8.11] | Elastic

hth

jason

On Tue, Mar 24, 2015 at 11:59 PM, Abid Hussain
<hus...@novacom.mygbiz.com <javascript:>> wrote:

All settings except from ES_HEAP (set to 10 GB) are defaults, so I
actually
am not sure about the new gen setting.

The host has 80 GB memory in total and 24 CPU cores. All ES indices
together
sum up to ~32 GB where the biggest indices are of size ~8 GB.

We are using queries mostly together with filters and also aggregations.

We "solved" the problem with a restart of the cluster. Are there any
recommended diagnostics to be performed when this problem occurs next
time?

Regards,

Abid

Am Dienstag, 24. März 2015 15:24:43 UTC+1 schrieb Jason Wee:

what is the new gen setting? how much is the system memory in total?
how many cpu cores in the node? what query do you use?

jason

On Tue, Mar 24, 2015 at 5:26 PM, Abid Hussain
hus...@novacom.mygbiz.com wrote:

Hi all,

we today got (for the first time) warning messages which seem to
indicate a
memory problem:
[2015-03-24 09:08:12,960][WARN ][monitor.jvm ] [Danger]
[gc][young][413224][18109] duration [5m], collections [1]/[5.3m],
total
[5m]/[16.7m], memory [7.9gb]->[3.7gb]/[9.8gb], all_pools {[young]
[853.9mb]->[6.1mb]/[1.1gb]}{[survivor]
[149.7mb]->[0b]/[149.7mb]}{[old]
[6.9gb]->[3.7gb]/[8.5gb]}
[2015-03-24 09:08:12,960][WARN ][monitor.jvm ] [Danger]
[gc][old][413224][104] duration [18.4s], collections [1]/[5.3m],
total
[18.4s]/[58s], memory [7.9gb]->[3.7gb]/[9.8gb], all_pools {[young]
[853.9mb]->[6.1mb]/[1.1gb]}{[survivor]
[149.7mb]->[0b]/[149.7mb]}{[old]
[6.9gb]->[3.7gb]/[8.5gb]}
[2015-03-24 09:08:15,372][WARN ][monitor.jvm ] [Danger]
[gc][young][413225][18110] duration [1.4s], collections [1]/[2.4s],
total
[1.4s]/[16.7m], memory [3.7gb]->[5gb]/[9.8gb], all_pools {[young]
[6.1mb]->[2.7mb]/[1.1gb]}{[survivor] [0b]->[149.7mb]/[149.7mb]}{[old]
[3.7gb]->[4.9gb]/[8.5gb]}
[2015-03-24 09:08:18,192][WARN ][monitor.jvm ] [Danger]
[gc][young][413227][18111] duration [1.4s], collections [1]/[1.8s],
total
[1.4s]/[16.7m], memory [5.8gb]->[6.2gb]/[9.8gb], all_pools {[young]
[845.4mb]->[1.2mb]/[1.1gb]}{[survivor]
[149.7mb]->[149.7mb]/[149.7mb]}{[old]
[4.9gb]->[6gb]/[8.5gb]}
[2015-03-24 09:08:21,506][WARN ][monitor.jvm ] [Danger]
[gc][young][413229][18112] duration [1.2s], collections [1]/[2.3s],
total
[1.2s]/[16.7m], memory [7gb]->[7.3gb]/[9.8gb], all_pools {[young]
[848.6mb]->[2.1mb]/[1.1gb]}{[survivor]
[149.7mb]->[149.7mb]/[149.7mb]}{[old]
[6gb]->[7.2gb]/[8.5gb]}

We're using ES 1.4.2 as a single node cluster, ES_HEAP is set to 10g,
other
settings are defaults. From previous posts related to this issue, it
is
said
that field data cache may be a problem.

Requesting /_nodes/stats/indices/fielddata says:
{
"cluster_name": "my_cluster",
"nodes": {
"ILUggMfTSvix8Kc0nfNVAw": {
"timestamp": 1427188716203,
"name": "Danger",
"transport_address": "inet[/192.168.110.91:9300]",
"host": "xxx",
"ip": [
"inet[/192.168.110.91:9300]",
"NONE"
],
"indices": {
"fielddata": {
"memory_size_in_bytes": 64822224,
"evictions": 0
}
}
}
}
}

Running top results in:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
12735 root 20 0 15.8g 10g 0 S 74 13.2 2485:26 java

Any ideas what to do? If possible I would rather avoid increasing
ES_HEAP as
there isn't that much free memory left on the host.

Regards,

Abid

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