Cluster taking lot of time while Indexing and Updation

[bharatbhushan (bharat)]

Hi All,

When i tried to indexing document or update document into ES, It takes lot of time. But search performance is good.

Its takes around 30 seconds to put/update document.
I am using only bulk update and bulk index on production environment but it got stuck.

PUT /test/_bulk
{"index":{"_id":"1503987207_1","_index":"test","_type":"event","routing":"1","parent":"1","_retry_on_conflict":5}}
{"event_name":"signup","event_date":{"day":"29","month":"08","year":"2017","day_month":"29-08","year_month_day":"2017-08-29","timestamp":"2017-08-29T06:13:27","weekday":"tuesday"},"userId":"1","point":1,"country":["india"]}

And get response of this hit is

{
  "took": 39734,
  "errors": false,
  "items": [
     {
        "index": {
           "_index": "test",
           "_type": "event",
           "_id": "1503987207_1",
           "_version": 7,
           "result": "updated",
           "_shards": {
              "total": 2,
              "successful": 2,
              "failed": 0
           },
           "created": false,
           "status": 200
        }
     }
  ]
}

I am using Elasticsearch 5.5
I have one cluster with 3 data node and 1 master node

Data node, each have config.
8 core cpu
27GB RAM

And

Master have config
8 core cpu
27GB RAM

and we assign 13GB RAM to Heap of each node.

/etc/elasticsearch/elasticsearch.yml

indices.memory.index_buffer_size: 40%
thread_pool.bulk.queue_size: 3000

---

/etc/elasticsearch/jvm.options
-Xms13g
-Xmx13g

All node have load around 2.

Please help me to search query with children on cluster1.

Thanks in advance