kezhenxu94 commented on issue #4191: ttl clean data error URL: https://github.com/apache/skywalking/issues/4191#issuecomment-571601662 @piaoluoxiaobai I'm just wondering why you set `SW_CORE_MONTH_METRIC_DATA_TTL` and `SW_STORAGE_ES_MONTH_METRIC_DATA_TTL` to `0`, this will make the timer to always delete all the month-metrics-related indexes and if you have running agents, they will also generate metrics, which makes the backend to create the indices (if not exist), and the timer also creates the indices, they may both create the same index in a short time, causing `resource_already_exists_exception`
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