(SamplerAggregator.java:164) ~[elasticsearch-7.11.2.jar:7.11.2]
at org.elasticsearch.search.aggregations.bucket.sampler.SamplerAggregatorFactory.createInternal(SamplerAggregatorFactory.java:33) ~[elasticsearch-7.11.2.jar:7.11.2]
at org.elasticsearch.search.aggregations.AggregatorFactory.create(AggregatorFactory.java:63) ~[elasticsearch-7.11.2.jar:7.11.2]
at org.elasticsearch.search.aggregations.AggregatorFactories.createSubAggregators(AggregatorFactories.java:187) ~[elasticsearch-7.11.2.jar:7.11.2]
(END)
Error 2 : The remote server returned an error: (429) Too Many Requests.. Call: Status code 429 from: POST /feed_XXXX/_update/56246%7C1%7C1409625889747439616?if_primary_term=1&if_seq_no=3102960. ServerError: Type: circuit_breaking_exception Reason: "[parent] Data too large, data for [indices:data/write/update[s]] would be [17041414328/15.8gb], which is larger than the limit of [16320875724/15.1gb], real usage: [17041410408/15.8gb], new bytes reserved: [3920/3.8kb], usages [request=0/0b, fielddata=2388112750/2.2gb, in_flight_requests=5126/5kb, model_inference=0/0b, accounting=4148192/3.9mb]"
```
Configuration:
ES version : "7.11.2",
ES Configuration:
```auto
**elasticsearch.yml**
bootstrap.memory_lock: true
cloud.node.auto_attributes: true
cluster:
name: XXXXXXX
routing.allocation.awareness.attributes: aws_availability_zone
discovery:
seed_providers: ec2
ec2.groups: XXXXX
network.host: XX.XXX.X.XXX
node:
name: ${HOSTNAME}
roles : [data]
http.max_content_length: 200mb
siren.memory.root.limit: 2147483647
**Jvm Options.yml**
# Xmx represents the maximum size of total heap space
-Xms16g
-Xmx16g
-Dsiren.io.netty.maxDirectMemory=2147483648
## GC configuration
-Des.networkaddress.cache.ttl=60
-Des.networkaddress.cache.negative.ttl=10
# pre-touch memory pages used by the JVM during initialization
-XX:+AlwaysPreTouch
# explicitly set the stack size
-Xss1m
# set to headless, just in case
-Djava.awt.headless=true
# ensure UTF-8 encoding by default (e.g. filenames)
-Dfile.encoding=UTF-8
# use our provided JNA always versus the system one
-Djna.nosys=true
# turn off a JDK optimization that throws away stack traces for common
# exceptions because stack traces are important for debugging
-XX:-OmitStackTraceInFastThrow
# flags to configure Netty
-Dio.netty.noUnsafe=true
-Dio.netty.noKeySetOptimization=true
-Dio.netty.recycler.maxCapacityPerThread=0
# log4j 2
-Dlog4j.shutdownHookEnabled=false
-Dlog4j2.disable.jmx=true
-Djava.io.tmpdir=${ES_TMPDIR}
-XX:-HeapDumpOnOutOfMemoryError
-XX:HeapDumpPath=/var/lib/elasticsearch
-XX:ErrorFile=/var/log/elasticsearch/hs_err_pid%p.log
8:-XX:+PrintGCDetails
8:-XX:+PrintGCDateStamps
8:-XX:+PrintTenuringDistribution
8:-XX:+PrintGCApplicationStoppedTime
8:-Xloggc:/var/log/elasticsearch/gc.log
8:-XX:+UseGCLogFileRotation
8:-XX:NumberOfGCLogFiles=32
8:-XX:GCLogFileSize=64m
#JDK 9+ GC logging
9-:-Xlog:gc*,gc+age=trace,safepoint:file=/var/log/elasticsearch/gc.log:utctime,pid,tags:filecount=32,filesize=64m
9-:-Djava.locale.providers=COMPAT
```
Thanks!!
---
### Author:  [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [July 1, 2021, 12:43am UTC](https://discuss.elastic.co/t/es-7-11-heap-out-of-memory-error/277478/2 "2021-07-01T00:43:38Z")
What is the output from the `_cluster/stats?pretty&human` API?
> [@tmathew](#):
>
> We upgraded from 2.4 to 7.11
Can you elaborate more on your upgrade procedure?
> [@tmathew](#):
>
> ```auto
> siren.memory.root.limit: 2147483647
>
> ```
I would suggest removing Siren and seeing if that helps. Mostly because that's a non-supported plugin and it may have unintended consequences.
---
### Author:  [@tmathew](https://discuss.elastic.co/u/tmathew)
#### Post date: [July 1, 2021, 2:08am UTC](https://discuss.elastic.co/t/es-7-11-heap-out-of-memory-error/277478/3 "2021-07-01T02:08:52Z")
Thanks - we figured the issue. All good
---
### Author:  [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [July 1, 2021, 2:19am UTC](https://discuss.elastic.co/t/es-7-11-heap-out-of-memory-error/277478/4 "2021-07-01T02:19:04Z")
It'd be good to share your solution, it might help someone in the future.
---
### Author:  [@tmathew](https://discuss.elastic.co/u/tmathew)
#### Post date: [July 1, 2021, 1:01pm UTC](https://discuss.elastic.co/t/es-7-11-heap-out-of-memory-error/277478/5 "2021-07-01T13:01:04Z")
Bulk index request timed out because ES didn't respond when the targeted index alias wasn't present. When we added the missing alias, it worked
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 29, 2021, 1:01pm UTC](https://discuss.elastic.co/t/es-7-11-heap-out-of-memory-error/277478/6 "2021-07-29T13:01:35Z")
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