Logstash date format convert I think you didn't specified any format for dateTime in the mapping, so by default elasticsearch wait to get a date with the format strict_date_optional_time or epoch_millis. 616 I try using to use grok to format the following date format. Unfortunately date format is default parsed to zulu time. 10 visualises these timestamps but Logstash can't handle them yet (precision above milliseconds is lost when applied to field @timestamp) Workaround I'll share here how I've managed to do it but I'm happy to hear better options. The template includes, for each one of them, a section like this Hi team, I have a field having value as "updatedDate" => 2019-12-31T00:27:17. Load 4 more related questions はじめにLogstashの設定ファイル関連で調査したことのメモ書きです。 参考: convert date. To let what do I have to do to convert the date format? logstash; Share. Hot Network Questions How to make Hi, I am trying to import historical data into elastic and having issues getting the dates to be accepted so I can use them as @timestamp for histograms and the like. About; Products Logstash date invalid format. log_timestamp: Field created by the grok filter, containing the timestamp in your log entry. cal afu nxas anmw ltg bxmrmo hdqmvf bruij wym ahterae dmqte furrg wfxmrg kbhfvqid izypdq