[FTS] OOMs noted during indexing + querying[retrieving 10K docs]

[2016-05-09 00:55:08,030] - [task:1099] INFO - ------------------------------------------------------------------ Query # 90 -----------------------------------------------------------------

[2016-05-09 00:55:08,045] - [fts_base:1132] INFO - Running query {"from": 0, "indexName": "default_index", "fields": [], "explain": false, "ctl": {"timeout": 60000, "consistency": {"vectors": {}, "level": ""}}, "query": {"field": "email", "match": "gallia@mcdiabetes.com"}, "size": 10000} on node: 172.23.107.234:

[2016-05-09 00:56:08,365] - [rest_client:775] ERROR - http://172.23.107.234:8094/api/index/default_index/query error 400 reason: status: 400, content: rest_index: Query, indexName: default_index, requestBody: {"from": 0, "indexName": "default_index", "fields": [], "explain": false, "ctl": {"timeout": 60000, "consistency": {"vectors": {}, "level": ""}}, "query": {"field": "email", "match": "gallia@mcdiabetes.com"}, "size": 10000}, req: &http.Request{Method:"POST", URL:(*url.URL)(0xc8209c4280), Proto:"HTTP/1.1", ProtoMajor:1, ProtoMinor:1, Header:http.Header{"Content-Type":[]string{"application/json"}, "Authorization":[]string{"Basic QWRtaW5pc3RyYXRvcjpwYXNzd29yZA=="}, "Accept":[]string{"*/*"}, "User-Agent":[]string{"Python-httplib2/$Rev: 259 $"}, "Accept-Encoding":[]string{"identity"}, "Content-Length":[]string{"223"}}, Body:(*http.body)(0xc82c346340), ContentLength:223, TransferEncoding:[]string(nil), Close:false, Host:"172.23.107.234:8094", Form:url.Values{}, PostForm:url.Values{}, MultipartForm:(*multipart.Form)(nil), Trailer:http.Header(nil), RemoteAddr:"172.23.106.205:42895", RequestURI:"/api/index/default_index/query", TLS:(*tls.ConnectionState)(nil), Cancel:(<-chan struct {})(nil)}, err: bleve: QueryBlevePIndexImpl remote client returned status: 403 body: rest_auth: preparePerm, err: pindex not found 

 rest_index: Query, indexName: default_index, requestBody: {"from": 0, "indexName": "default_index", "fields": [], "explain": false, "ctl": {"timeout": 60000, "consistency": {"vectors": {}, "level": ""}}, "query": {"field": "email", "match": "gallia@mcdiabetes.com"}, "size": 10000}, req: &http.Request{Method:"POST", URL:(*url.URL)(0xc8209c4280), Proto:"HTTP/1.1", ProtoMajor:1, ProtoMinor:1, Header:http.Header{"Content-Type":[]string{"application/json"}, "Authorization":[]string{"Basic QWRtaW5pc3RyYXRvcjpwYXNzd29yZA=="}, "Accept":[]string{"*/*"}, "User-Agent":[]string{"Python-httplib2/$Rev: 259 $"}, "Accept-Encoding":[]string{"identity"}, "Content-Length":[]string{"223"}}, Body:(*http.body)(0xc82c346340), ContentLength:223, TransferEncoding:[]string(nil), Close:false, Host:"172.23.107.234:8094", Form:url.Values{}, PostForm:url.Values{}, MultipartForm:(*multipart.Form)(nil), Trailer:http.Header(nil), RemoteAddr:"172.23.106.205:42895", RequestURI:"/api/index/default_index/query", TLS:(*tls.ConnectionState)(nil), Cancel:(<-chan struct {})(nil)}, err: bleve: QueryBlevePIndexImpl remote client returned status: 403 body: rest_auth: preparePerm, err: pindex not found 

[2016-05-09 00:56:08,365] - [fts_base:689] ERROR - Error running query: 'NoneType' object is not iterable

[2016-05-09 00:56:08,365] - [task:1103] INFO - Status: {}

[2016-05-09 00:56:08,365] - [task:1127] INFO - FTS hits for query: {"field": "email", "match": "gallia@mcdiabetes.com"} is -1 (took 0.0ms)

May  9 00:24:46 localhost kernel: Out of memory: Kill process 14040 (cbft) score 331 or sacrifice child

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May  9 00:55:29 localhost kernel: Out of memory: Kill process 14772 (cbft) score 288 or sacrifice child