Elastic search indexes are often deleted [closed] - elastic search indexes gets deleted frequently [closed]

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I'm running an elastic search for a personal project on google-cloud and I use as a search index for my application. I am google-cloud Run elastic search on personal items on , And use it as a search index for my application .From the last 3 days, indexes are getting deleted mysteriously. From the past 3 Day begins , The index was mysteriously deleted .I have no clue why, I looked at all my code for any delete index calls, also looked at logs. I don't know why? , I checked all the code of deleting index calls , Also checked the log .Still not able to figure it out. Still can't think .Any thoughts? Any ideas ？How can I debug this? How should I debug ？

[2020-07-24T00:00:27,451][INFO ][o.e.c.m.MetaDataDeleteIndexService] [node-1] [users_index_2/veGpdqbNQA2ZcnrrlGIA_Q] deleting index[2020-07-24T00:00:27,766][INFO ][o.e.c.m.MetaDataDeleteIndexService] [node-1] [blobs_index_2/SiikUAE7Rb6gS3_UeIwElQ] deleting index[2020-07-24T00:00:28,179][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [gk01juo8o3-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:28,776][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [28ds9nyf8x-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:29,328][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [hw2ktibxpl-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:29,929][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [va0pzk1hfi-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:30,461][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [ruwhw3jcx0-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:30,973][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [wx4gylb2jv-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:31,481][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [hbbmszdteo-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:31,993][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [1gi0x5277l-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:32,494][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [sotglodbi9-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:33,012][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [khvzsxctwr-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:33,550][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [hgrhythm3g-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:34,174][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [ejyucop7ag-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:34,715][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [n1bgkmqp8r-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:35,241][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [vsw49c4kpp-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:35,747][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [qrb5x89icr-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:36,261][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [pv8n84itx6-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:36,856][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [wnnwmylxvs-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:37,392][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [g5tw6w2tqb-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:37,889][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [u7tobv31o2-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:38,474][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [ufvizrnmez-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T00:00:38,946][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [0i9wszne7l-meow] creating index, cause [api], templates [], shards [1]/[1], mappings [][2020-07-24T01:30:00,001][INFO ][o.e.x.m.MlDailyMaintenanceService] [node-1] triggering scheduled [ML] maintenance tasks[2020-07-24T01:30:00,002][INFO ][o.e.x.m.a.TransportDeleteExpiredDataAction] [node-1] Deleting expired data[2020-07-24T01:30:00,010][INFO ][o.e.x.m.a.TransportDeleteExpiredDataAction] [node-1] Completed deletion of expired ML data[2020-07-24T01:30:00,011][INFO ][o.e.x.m.MlDailyMaintenanceService] [node-1] Successfully completed [ML] maintenance tasks[2020-07-24T01:30:00,039][INFO ][o.e.x.s.SnapshotRetentionTask] [node-1] starting SLM retention snapshot cleanup task[2020-07-24T01:37:43,817][INFO ][o.e.c.m.MetaDataCreateIndexService] [node-1] [.kibana] creating index, cause [auto(bulk api)], templates [], shards [1]/[1], mappings []

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Solution ：

Reference resources ： https://stackoom.com/en/question/4Gccg