elasticsearch - data duplication in elastic -


i uploading data elk server through jdbc input plugin in logstash. once uploading data elastic server, when second time uploading ,data duplication happens. want avoid that. second thing if using document id in output section of logstash , if rows updated key using document id same , ll update field? .

my requirement want avoid data duplication , want update fields updated having same primary key value.

any appreciated! thanks


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