elasticsearch 不知为什么自动删除index

gc日志
2018-09-14T15:38:51.246+0800: 1114260.568: Total time for which application threads were stopped: 0.0005928 seconds, Stopping threads took: 0.0001853 seconds
2018-09-14T15:38:51.530+0800: 1114260.853: Total time for which application threads were stopped: 0.0004401 seconds, Stopping threads took: 0.0000640 seconds
2018-09-14T15:38:51.540+0800: 1114260.862: Total time for which application threads were stopped: 0.0002959 seconds, Stopping threads took: 0.0000359 seconds
2018-09-14T15:38:54.329+0800: 1114263.652: Total time for which application threads were stopped: 0.0004059 seconds, Stopping threads took: 0.0000638 seconds
2018-09-14T15:38:54.329+0800: 1114263.652: Total time for which application threads were stopped: 0.0002088 seconds, Stopping threads took: 0.0000272 seconds
2018-09-14T15:38:54.330+0800: 1114263.652: Total time for which application threads were stopped: 0.0001846 seconds, Stopping threads took: 0.0000245 seconds
2018-09-14T15:38:54.330+0800: 1114263.652: Total time for which application threads were stopped: 0.0001833 seconds, Stopping threads took: 0.0000234 seconds
2018-09-14T15:38:54.330+0800: 1114263.653: Total time for which application threads were stopped: 0.0001833 seconds, Stopping threads took: 0.0000280 seconds
2018-09-14T15:38:54.391+0800: 1114263.714: Total time for which application threads were stopped: 0.0003352 seconds, Stopping threads took: 0.0000564 seconds
2018-09-14T15:38:54.392+0800: 1114263.714: Total time for which application threads were stopped: 0.0001790 seconds, Stopping threads took: 0.0000266 seconds
2018-09-14T15:38:54.392+0800: 1114263.714: Total time for which application threads were stopped: 0.0001739 seconds, Stopping threads took: 0.0000241 seconds
2018-09-14T15:38:54.392+0800: 1114263.714: Total time for which application threads were stopped: 0.0001744 seconds, Stopping threads took: 0.0000237 seconds
2018-09-14T15:38:54.392+0800: 1114263.715: Total time for which application threads were stopped: 0.0001730 seconds, Stopping threads took: 0.0000238 seconds
2018-09-14T15:38:54.397+0800: 1114263.719: Total time for which application threads were stopped: 0.0007647 seconds, Stopping threads took: 0.0000381 seconds
2018-09-14T15:38:54.397+0800: 1114263.720: Total time for which application threads were stopped: 0.0005621 seconds, Stopping threads took: 0.0000251 seconds
2018-09-14T15:38:54.398+0800: 1114263.720: Total time for which application threads were stopped: 0.0005148 seconds, Stopping threads took: 0.0000242 seconds
2018-09-14T15:38:54.398+0800: 1114263.721: Total time for which application threads were stopped: 0.0005140 seconds, Stopping threads took: 0.0000324 seconds
2018-09-14T15:38:54.399+0800: 1114263.721: Total time for which application threads were stopped: 0.0001764 seconds, Stopping threads took: 0.0000235 seconds
2018-09-14T15:38:54.428+0800: 1114263.751: Total time for which application threads were stopped: 0.0002933 seconds, Stopping threads took: 0.0000736 seconds
2018-09-14T15:38:54.429+0800: 1114263.752: Total time for which application threads were stopped: 0.0006589 seconds, Stopping threads took: 0.0000272 seconds
2018-09-14T15:38:55.357+0800: 1114264.679: Total time for which application threads were stopped: 0.0004181 seconds, Stopping threads took: 0.0000852 seconds
2018-09-14T15:38:56.357+0800: 1114265.680: Total time for which application threads were stopped: 0.0004090 seconds, Stopping threads took: 0.0000846 seconds
2018-09-14T15:38:56.662+0800: 1114265.985: Total time for which application threads were stopped: 0.0003758 seconds, Stopping threads took: 0.0000639 seconds
2018-09-14T15:38:56.676+0800: 1114265.998: Total time for which application threads were stopped: 0.0003471 seconds, Stopping threads took: 0.0000554 seconds
2018-09-14T15:38:56.810+0800: 1114266.133: Total time for which application threads were stopped: 0.0003982 seconds, Stopping threads took: 0.0000805 seconds
2018-09-14T15:38:56.858+0800: 1114266.180: Total time for which application threads were stopped: 0.0243796 seconds, Stopping threads took: 0.0239710 seconds
2018-09-14T15:38:56.864+0800: 1114266.186: Total time for which application threads were stopped: 0.0003626 seconds, Stopping threads took: 0.0000753 seconds
2018-09-14T15:38:56.869+0800: 1114266.191: Total time for which application threads were stopped: 0.0002507 seconds, Stopping threads took: 0.0000659 seconds
2018-09-14T15:38:56.869+0800: 1114266.191: Total time for which application threads were stopped: 0.0002363 seconds, Stopping threads took: 0.0000712 seconds
2018-09-14T15:38:56.873+0800: 1114266.195: Total time for which application threads were stopped: 0.0002222 seconds, Stopping threads took: 0.0000424 seconds
2018-09-14T15:38:56.873+0800: 1114266.196: Total time for which application threads were stopped: 0.0001922 seconds, Stopping threads took: 0.0000340 seconds
2018-09-14T15:38:56.879+0800: 1114266.201: Total time for which application threads were stopped: 0.0002392 seconds, Stopping threads took: 0.0000553 seconds
2018-09-14T15:38:56.904+0800: 1114266.227: Total time for which application threads were stopped: 0.0004401 seconds, Stopping threads took: 0.0000723 seconds
2018-09-14T15:38:56.905+0800: 1114266.228: Total time for which application threads were stopped: 0.0002805 seconds, Stopping threads took: 0.0000866 seconds
2018-09-14T15:38:56.906+0800: 1114266.229: Total time for which application threads were stopped: 0.0002226 seconds, Stopping threads took: 0.0000263 seconds
2018-09-14T15:38:56.955+0800: 1114266.277: Total time for which application threads were stopped: 0.0408222 seconds, Stopping threads took: 0.0404673 seconds
2018-09-14T15:38:56.966+0800: 1114266.289: Total time for which application threads were stopped: 0.0109993 seconds, Stopping threads took: 0.0107720 seconds
2018-09-14T15:38:56.968+0800: 1114266.291: Total time for which application threads were stopped: 0.0004312 seconds, Stopping threads took: 0.0001037 seconds
2018-09-14T15:38:56.973+0800: 1114266.296: Total time for which application threads were stopped: 0.0008797 seconds, Stopping threads took: 0.0000422 seconds
2018-09-14T15:38:56.974+0800: 1114266.296: Total time for which application threads were stopped: 0.0002063 seconds, Stopping threads took: 0.0000333 seconds
2018-09-14T15:38:56.974+0800: 1114266.296: Total time for which application threads were stopped: 0.0002107 seconds, Stopping threads took: 0.0000437 seconds
2018-09-14T15:38:56.974+0800: 1114266.297: Total time for which application threads were stopped: 0.0002240 seconds, Stopping threads took: 0.0000618 seconds
2018-09-14T15:38:56.975+0800: 1114266.297: Total time for which application threads were stopped: 0.0002153 seconds, Stopping threads took: 0.0000501 seconds
2018-09-14T15:38:56.976+0800: 1114266.298: Total time for which application threads were stopped: 0.0001996 seconds, Stopping threads took: 0.0000348 seconds
2018-09-14T15:38:56.976+0800: 1114266.299: Total time for which application threads were stopped: 0.0001926 seconds, Stopping threads took: 0.0000307 seconds
2018-09-14T15:38:56.983+0800: 1114266.306: Total time for which application threads were stopped: 0.0019813 seconds, Stopping threads took: 0.0017458 seconds
2018-09-14T15:38:56.984+0800: 1114266.307: Total time for which application threads were stopped: 0.0003111 seconds, Stopping threads took: 0.0001131 seconds
2018-09-14T15:38:56.985+0800: 1114266.307: Total time for which application threads were stopped: 0.0002609 seconds, Stopping threads took: 0.0000725 seconds
2018-09-14T15:38:56.985+0800: 1114266.308: Total time for which application threads were stopped: 0.0002252 seconds, Stopping threads took: 0.0000500 seconds
2018-09-14T15:38:56.989+0800: 1114266.311: Total time for which application threads were stopped: 0.0011588 seconds, Stopping threads took: 0.0009829 seconds
2018-09-14T15:38:56.989+0800: 1114266.312: Total time for which application threads were stopped: 0.0002539 seconds, Stopping threads took: 0.0000688 seconds
2018-09-14T15:38:56.990+0800: 1114266.312: Total time for which application threads were stopped: 0.0002326 seconds, Stopping threads took: 0.0000696 seconds
2018-09-14T15:38:56.991+0800: 1114266.313: Total time for which application threads were stopped: 0.0002497 seconds, Stopping threads took: 0.0000725 seconds
2018-09-14T15:38:56.999+0800: 1114266.321: Total time for which application threads were stopped: 0.0003674 seconds, Stopping threads took: 0.0000742 seconds
2018-09-14T15:38:57.386+0800: 1114266.709: Total time for which application threads were stopped: 0.0004037 seconds, Stopping threads took: 0.0000740 seconds
2018-09-14T15:38:57.387+0800: 1114266.709: Total time for which application threads were stopped: 0.0001798 seconds, Stopping threads took: 0.0000255 seconds
2018-09-14T15:38:57.387+0800: 1114266.710: Total time for which application threads were stopped: 0.0001961 seconds, Stopping threads took: 0.0000248 seconds
2018-09-14T15:38:57.419+0800: 1114266.742: Total time for which application threads were stopped: 0.0003600 seconds, Stopping threads took: 0.0001117 seconds
2018-09-14T15:38:57.812+0800: 1114267.134: Total time for which application threads were stopped: 0.0004072 seconds, Stopping threads took: 0.0000800 seconds
2018-09-14T15:38:57.812+0800: 1114267.135: Total time for which application threads were stopped: 0.0001794 seconds, Stopping threads took: 0.0000247 seconds
2018-09-14T15:38:57.812+0800: 1114267.135: Total time for which application threads were stopped: 0.0001862 seconds, Stopping threads took: 0.0000215 seconds
2018-09-14T15:38:57.813+0800: 1114267.135: Total time for which application threads were stopped: 0.0001718 seconds, Stopping threads took: 0.0000214 seconds
2018-09-14T15:38:57.884+0800: 1114267.206: Total time for which application threads were stopped: 0.0002288 seconds, Stopping threads took: 0.0000445 seconds
2018-09-14T15:38:57.884+0800: 1114267.207: Total time for which application threads were stopped: 0.0001762 seconds, Stopping threads took: 0.0000229 seconds
2018-09-14T15:38:58.193+0800: 1114267.515: Total time for which application threads were stopped: 0.0004019 seconds, Stopping threads took: 0.0000769 seconds
2018-09-14T15:38:58.216+0800: 1114267.538: Total time for which application threads were stopped: 0.0003579 seconds, Stopping threads took: 0.0000397 seconds
2018-09-14T15:38:58.220+0800: 1114267.543: Total time for which application threads were stopped: 0.0003002 seconds, Stopping threads took: 0.0000649 seconds
2018-09-14T15:38:58.234+0800: 1114267.556: Total time for which application threads were stopped: 0.0006126 seconds, Stopping threads took: 0.0000806 seconds
2018-09-14T15:38:58.234+0800: 1114267.557: Total time for which application threads were stopped: 0.0002871 seconds, Stopping threads took: 0.0000316 seconds
2018-09-14T15:38:58.235+0800: 1114267.557: Total time for which application threads were stopped: 0.0002915 seconds, Stopping threads took: 0.0000347 seconds
2018-09-14T15:38:58.235+0800: 1114267.558: Total time for which application threads were stopped: 0.0002862 seconds, Stopping threads took: 0.0000298 seconds
2018-09-14T15:38:58.239+0800: 1114267.561: Total time for which application threads were stopped: 0.0002727 seconds, Stopping threads took: 0.0000387 seconds
2018-09-14T15:38:58.813+0800: 1114268.136: Total time for which application threads were stopped: 0.0004093 seconds, Stopping threads took: 0.0000748 seconds
2018-09-14T15:38:58.814+0800: 1114268.136: Total time for which application threads were stopped: 0.0002165 seconds, Stopping threads took: 0.0000517 seconds
2018-09-14T15:38:58.814+0800: 1114268.136: Total time for which application threads were stopped: 0.0001823 seconds, Stopping threads took: 0.0000239 seconds
2018-09-14T15:38:58.814+0800: 1114268.136: Total time for which application threads were stopped: 0.0001877 seconds, Stopping threads took: 0.0000228 seconds
2018-09-14T15:38:58.845+0800: 1114268.167: Total time for which application threads were stopped: 0.0002464 seconds, Stopping threads took: 0.0000404 seconds
2018-09-14T15:38:58.846+0800: 1114268.168: Total time for which application threads were stopped: 0.0001908 seconds, Stopping threads took: 0.0000302 seconds
2018-09-14T15:38:58.846+0800: 1114268.169: Total time for which application threads were stopped: 0.0001788 seconds, Stopping threads took: 0.0000239 seconds
2018-09-14T15:39:05.159+0800: 1114274.481: Total time for which application threads were stopped: 0.0004406 seconds, Stopping threads took: 0.0001000 seconds
2018-09-14T15:39:05.159+0800: 1114274.482: Total time for which application threads were stopped: 0.0002002 seconds, Stopping threads took: 0.0000276 seconds
2018-09-14T15:39:26.813+0800: 1114296.135: Total time for which application threads were stopped: 0.0009488 seconds, Stopping threads took: 0.0006035 seconds
2018-09-14T15:39:26.813+0800: 1114296.135: Total time for which application threads were stopped: 0.0001787 seconds, Stopping threads took: 0.0000247 seconds
2018-09-14T15:41:26.822+0800: 1114416.145: Total time for which application threads were stopped: 0.0004883 seconds, Stopping threads took: 0.0001331 seconds
2018-09-14T15:43:57.919+0800: 1114567.242: Total time for which application threads were stopped: 0.0004778 seconds, Stopping threads took: 0.0001088 seconds
2018-09-14T15:43:57.919+0800: 1114567.242: Total time for which application threads were stopped: 0.0001817 seconds, Stopping threads took: 0.0000228 seconds
2018-09-14T15:43:57.920+0800: 1114567.243: Total time for which application threads were stopped: 0.0001974 seconds, Stopping threads took: 0.0000370 seconds
2018-09-14T15:43:57.920+0800: 1114567.243: Total time for which application threads were stopped: 0.0001774 seconds, Stopping threads took: 0.0000232 seconds
2018-09-14T15:43:57.921+0800: 1114567.243: Total time for which application threads were stopped: 0.0001730 seconds, Stopping threads took: 0.0000211 seconds
2018-09-14T15:43:57.921+0800: 1114567.243: Total time for which application threads were stopped: 0.0002080 seconds, Stopping threads took: 0.0000214 seconds
2018-09-14T15:43:57.921+0800: 1114567.244: Total time for which application threads were stopped: 0.0001908 seconds, Stopping threads took: 0.0000369 seconds
2018-09-14T15:43:58.445+0800: 1114567.767: Total time for which application threads were stopped: 0.0004574 seconds, Stopping threads took: 0.0001147 seconds
2018-09-14T15:43:58.445+0800: 1114567.768: Total time for which application threads were stopped: 0.0002006 seconds, Stopping threads took: 0.0000326 seconds
2018-09-14T15:43:58.446+0800: 1114567.768: Total time for which application threads were stopped: 0.0002460 seconds, Stopping threads took: 0.0000284 seconds
2018-09-14T15:43:58.446+0800: 1114567.768: Total time for which application threads were stopped: 0.0002716 seconds, Stopping threads took: 0.0000567 seconds
2018-09-14T15:43:58.446+0800: 1114567.769: Total time for which application threads were stopped: 0.0001850 seconds, Stopping threads took: 0.0000283 seconds
2018-09-14T15:43:58.448+0800: 1114567.771: Total time for which application threads were stopped: 0.0001983 seconds, Stopping threads took: 0.0000319 seconds
2018-09-14T15:43:58.448+0800: 1114567.771: Total time for which application threads were stopped: 0.0001781 seconds, Stopping threads took: 0.0000233 seconds
2018-09-14T15:43:58.864+0800: 1114568.187: Total time for which application threads were stopped: 0.0004394 seconds, Stopping threads took: 0.0000844 seconds
2018-09-14T15:43:58.865+0800: 1114568.187: Total time for which application threads were stopped: 0.0001881 seconds, Stopping threads took: 0.0000254 seconds
2018-09-14T15:43:58.865+0800: 1114568.187: Total time for which application threads were stopped: 0.0001909 seconds, Stopping threads took: 0.0000235 seconds
2018-09-14T15:43:58.865+0800: 1114568.188: Total time for which application threads were stopped: 0.0002047 seconds, Stopping threads took: 0.0000239 seconds
2018-09-14T15:43:58.865+0800: 1114568.188: Total time for which application threads were stopped: 0.0002055 seconds, Stopping threads took: 0.0000250 seconds
2018-09-14T15:43:58.867+0800: 1114568.189: Total time for which application threads were stopped: 0.0001998 seconds, Stopping threads took: 0.0000285 seconds
2018-09-14T15:43:58.867+0800: 1114568.190: Total time for which application threads were stopped: 0.0001786 seconds, Stopping threads took: 0.0000239 seconds
2018-09-14T15:44:02.921+0800: 1114572.243: Total time for which application threads were stopped: 0.0004218 seconds, Stopping threads took: 0.0000841 seconds
2018-09-14T15:44:02.922+0800: 1114572.245: Total time for which application threads were stopped: 0.0002462 seconds, Stopping threads took: 0.0000633 seconds
2018-09-14T15:44:02.923+0800: 1114572.245: Total time for which application threads were stopped: 0.0002117 seconds, Stopping threads took: 0.0000472 seconds
2018-09-14T15:44:02.923+0800: 1114572.246: Total time for which application threads were stopped: 0.0002172 seconds, Stopping threads took: 0.0000503 seconds
2018-09-14T15:44:02.924+0800: 1114572.246: Total time for which application threads were stopped: 0.0002187 seconds, Stopping threads took: 0.0000497 seconds
2018-09-14T15:45:58.863+0800: 1114688.186: Total time for which application threads were stopped: 0.0009113 seconds, Stopping threads took: 0.0004850 seconds
2018-09-14T15:45:58.864+0800: 1114688.186: Total time for which application threads were stopped: 0.0002837 seconds, Stopping threads took: 0.0000841 seconds
2018-09-14T15:45:59.864+0800: 1114689.187: Total time for which application threads were stopped: 0.0003916 seconds, Stopping threads took: 0.0000726 seconds
2018-09-14T15:46:05.865+0800: 1114695.188: Total time for which application threads were stopped: 0.0003862 seconds, Stopping threads took: 0.0000516 seconds
2018-09-14T15:46:26.867+0800: 1114716.190: Total time for which application threads were stopped: 0.0004153 seconds, Stopping threads took: 0.0001031 seconds
2018-09-14T15:46:28.868+0800: 1114718.190: Total time for which application threads were stopped: 0.0004376 seconds, Stopping threads took: 0.0000866 seconds
2018-09-14T15:46:31.868+0800: 1114721.191: Total time for which application threads were stopped: 0.0003977 seconds, Stopping threads took: 0.0000777 seconds
2018-09-14T15:46:32.642+0800: 1114721.964: [GC (Allocation Failure) 2018-09-14T15:46:32.642+0800: 1114721.965: [ParNew
Desired survivor size 17432576 bytes, new threshold 6 (max 6)
- age   1:    1301520 bytes,    1301520 total
- age   3:      77904 bytes,    1379424 total


elasticsearch中日志
[2018-09-14T01:23:00,001][INFO ][o.e.x.m.MlDailyMaintenanceService] triggering scheduled [ML] maintenance tasks
[2018-09-14T01:23:00,004][INFO ][o.e.x.m.a.TransportDeleteExpiredDataAction] [node-1] Deleting expired data
[2018-09-14T01:23:00,008][INFO ][o.e.x.m.a.TransportDeleteExpiredDataAction] [node-1] Completed deletion of expired data
[2018-09-14T01:23:00,008][INFO ][o.e.x.m.MlDailyMaintenanceService] Successfully completed [ML] maintenance tasks
[2018-09-14T15:38:51,531][INFO ][o.e.c.m.MetaDataDeleteIndexService] [node-1] [question_tiku11/1I4L8SnKTCKp66teFKUcDw] deleting index
[2018-09-14T15:38:51,531][INFO ][o.e.c.m.MetaDataDeleteIndexService] [node-1] [testdb/V_5z-3vgR4-0psP8k1VVQw] deleting index
[2018-09-14T15:38:51,531][INFO ][o.e.c.m.MetaDataDeleteIndexService] [node-1] [shop/5Zg-a0j1QNCwsQwlIahdFw] deleting index
[2018-09-14T15:38:51,531][INFO ][o.e.c.m.MetaDataDeleteIndexService] [node-1] [question_tiku/62yAfHDjS4u9mmrQuc5x0w] deleting index
[2018-09-14T15:38:56,664][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [readme] creating index, cause [api], templates [], shards [5]/[1], mappings []
[2018-09-14T15:38:57,417][INFO ][o.e.c.r.a.AllocationService] [node-1] Cluster health status changed from [YELLOW] to [GREEN] (reason: [shards started [[readme][0]] ...]).

index自动删除了，不知道为什么 ，哪位大神知道为啥呀，是不是有定时删除的设置造成的呀