# ES hangs when deleting objects **URL:** \ **Category:** Elasticsearch\ **Created:** [July 12, 2016, 2:08pm UTC](https://discuss.elastic.co/t/es-hangs-when-deleting-objects/55298 "2016-07-12T14:08:03Z")\ **Posts on this page:** 12\ **Page:** 1
**Author:** ![marcmga](https://avatars.discourse-cdn.com/v4/letter/m/3bc359/32.png) [@marcmga](https://discuss.elastic.co/u/marcmga)\ **Post date:** [July 12, 2016, 2:08pm UTC](https://discuss.elastic.co/t/es-hangs-when-deleting-objects/55298/1 "2016-07-12T14:08:03Z")
Hi, When i try to delete a dashboard, or a visualization ES crashed. It shows me (after several minutes) the status page. head size 1.09 and used 988 MB I search logs from today, but it shows me old logs, starting yesterday. How may i fix this? Is it about HEAP SIZE? I don't knwo if it deals with that, but i get an error on my dashboards. Courier Fetch: x of X shards failed. Thanks ---
**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:** [July 13, 2016, 4:08am UTC](https://discuss.elastic.co/t/es-hangs-when-deleting-objects/55298/2 "2016-07-13T04:08:01Z")
> [@marcmga](#): > > When i try to delete a dashboard, or a visualization ES crashed. How, via KB? Also, check your ES logs, there should be something in them. ---
**Author:** ![marcmga](https://avatars.discourse-cdn.com/v4/letter/m/3bc359/32.png) [@marcmga](https://discuss.elastic.co/u/marcmga)\ **Post date:** [July 13, 2016, 7:19am UTC](https://discuss.elastic.co/t/es-hangs-when-deleting-objects/55298/3 "2016-07-13T07:19:36Z")
Hi warkolm, Yes, via Kibana. Looking at logs i found this: ``` [2016-07-12 08:39:15,775][DEBUG][action.search.type] [xxx] [logstash-2016.04.14][0], node[AfgOio-1S5-wj942o9pYmQ], [P], v[22], s[STARTED], a[id=PBHVpMHESBKV3Y4xZ8PHYQ]: Failed to execute [org.elasticsearch.action.search.SearchRequest@3d805b40] lastShard [true] RemoteTransportException[[xxx][localhost/127.0.0.1:9300][indices:data/read/search[phase/query]]]; nested: EsRejectedExecutionException[rejected execution of org.elasticsearch.transport. TransportService$4@2f3cc2cf on EsThreadPoolExecutor[search, queue capacity = 3000, org.elasticsearch.common.util.concurrent.EsThreadPoolExecutor@7d5a6e26[Running, pool size = 7, active thre ads = 7, queued tasks = 3000, completed tasks = 57201]]]; Caused by: EsRejectedExecutionException[rejected execution of org.elasticsearch.transport.TransportService$4@2f3cc2cf on EsThreadPoolExecutor[search, queue capacity = 3000, org.elasticsearc h.common.util.concurrent.EsThreadPoolExecutor@7d5a6e26[Running, pool size = 7, active threads = 7, queued tasks = 3000, completed tasks = 57201]]] ............. ``` What i may think is that the pool size is full? is that ok? The queue size is full, now i changed it to 5000. But the error is still appearing.Should i change it to a higher number? I think that doesn't deals with my problem, is another problem. When it hangs deleting i get this error: ``` [2016-07-12 17:16:03,830][WARN][netty.channel.socket.nio.AbstractNioSelector] Unexpected exception in the selector loop. java.lang.OutOfMemoryError: Java heap space [2016-07-12 17:16:03,830][ERROR][rest.action.support] failed to send failure response java.lang.OutOfMemoryError: Java heap space [2016-07-12 17:16:00,211][WARN][netty.channel.socket.nio.AbstractNioSelector] Unexpected exception in the selector loop. java.lang.OutOfMemoryError: Java heap space [2016-07-12 17:14:38,855][ERROR][rest.action.support] failed to send failure response java.lang.OutOfMemoryError: Java heap space at com.fasterxml.jackson.core.util.BufferRecycler.calloc(BufferRecycler.java:156) at com.fasterxml.jackson.core.util.BufferRecycler.allocCharBuffer(BufferRecycler.java:124) at com.fasterxml.jackson.core.util.BufferRecycler.allocCharBuffer(BufferRecycler.java:114) at com.fasterxml.jackson.core.io.IOContext.allocConcatBuffer(IOContext.java:186) at com.fasterxml.jackson.core.json.UTF8JsonGenerator.(UTF8JsonGenerator.java:127) at com.fasterxml.jackson.core.JsonFactory._createUTF8Generator(JsonFactory.java:1284) at com.fasterxml.jackson.core.JsonFactory.createGenerator(JsonFactory.java:1016) at org.elasticsearch.common.xcontent.json.JsonXContent.createGenerator(JsonXContent.java:74) at org.elasticsearch.common.xcontent.json.JsonXContent.createGenerator(JsonXContent.java:80) at org.elasticsearch.common.xcontent.XContentBuilder.(XContentBuilder.java:112) at org.elasticsearch.rest.RestChannel.newBuilder(RestChannel.java:69) at org.elasticsearch.rest.RestChannel.newErrorBuilder(RestChannel.java:52) at org.elasticsearch.rest.BytesRestResponse.convert(BytesRestResponse.java:123) at org.elasticsearch.rest.BytesRestResponse.(BytesRestResponse.java:96) at org.elasticsearch.rest.BytesRestResponse.(BytesRestResponse.java:87) at org.elasticsearch.rest.action.support.RestActionListener.onFailure(RestActionListener.java:60) at org.elasticsearch.rest.action.support.RestActionListener.onResponse(RestActionListener.java:51) at org.elasticsearch.action.search.type.TransportSearchQueryAndFetchAction$AsyncAction$1.doRun(TransportSearchQueryAndFetchAction.java:90) at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) ``` Heap memory issue. What should i do? Thanks ---
**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:** [July 13, 2016, 7:23am UTC](https://discuss.elastic.co/t/es-hangs-when-deleting-objects/55298/4 "2016-07-13T07:23:51Z")
> [@marcmga](#): > > java.lang.OutOfMemoryError: Java heap space This all means your nodes are overloaded. ---
**Author:** ![marcmga](https://avatars.discourse-cdn.com/v4/letter/m/3bc359/32.png) [@marcmga](https://discuss.elastic.co/u/marcmga)\ **Post date:** [July 13, 2016, 7:25am UTC](https://discuss.elastic.co/t/es-hangs-when-deleting-objects/55298/5 "2016-07-13T07:25:54Z")
Hi warkolm, I think that is a java\_heap issue, isn't it? So, if i change the heap size, can i fix this? ---
**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:** [July 13, 2016, 8:19am UTC](https://discuss.elastic.co/t/es-hangs-when-deleting-objects/55298/6 "2016-07-13T08:19:24Z")
It might, but you should look at other things like adding more nodes. ---
**Author:** ![marcmga](https://avatars.discourse-cdn.com/v4/letter/m/3bc359/32.png) [@marcmga](https://discuss.elastic.co/u/marcmga)\ **Post date:** [July 13, 2016, 11:25am UTC](https://discuss.elastic.co/t/es-hangs-when-deleting-objects/55298/7 "2016-07-13T11:25:21Z")
I'm trying to change HEAP\_SIZE but with no success. I've created an environment var ES\_HEAPSIZE=4g When i restart elasticsearch i see that the process is started -Xms256m -Xmx1g How can i change the heap size (in linux) in a right way? how can i check the current heap\_size? Thanks ---
**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:** [July 13, 2016, 8:27pm UTC](https://discuss.elastic.co/t/es-hangs-when-deleting-objects/55298/8 "2016-07-13T20:27:12Z")
How did you install ES? ---
**Author:** ![marcmga](https://avatars.discourse-cdn.com/v4/letter/m/3bc359/32.png) [@marcmga](https://discuss.elastic.co/u/marcmga)\ **Post date:** [July 14, 2016, 6:44am UTC](https://discuss.elastic.co/t/es-hangs-when-deleting-objects/55298/9 "2016-07-14T06:44:06Z")
I installed the .deb file ---
**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:** [July 14, 2016, 9:03am UTC](https://discuss.elastic.co/t/es-hangs-when-deleting-objects/55298/10 "2016-07-14T09:03:15Z")
So use the `/etc/default/elasticsearch` file 🙂 ---
**Author:** ![marcmga](https://avatars.discourse-cdn.com/v4/letter/m/3bc359/32.png) [@marcmga](https://discuss.elastic.co/u/marcmga)\ **Post date:** [July 14, 2016, 9:26am UTC](https://discuss.elastic.co/t/es-hangs-when-deleting-objects/55298/11 "2016-07-14T09:26:13Z")
Thank you, that's worked ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 5, 2017, 10:35pm UTC](https://discuss.elastic.co/t/es-hangs-when-deleting-objects/55298/12 "2017-07-05T22:35:46Z")