Reasons to make kibana 6.5.0 unresponsive while elastic experiences no issues

Elastic Stack Kibana
1

Hi All,

Is there any common reason that causes kibana to be unresponsive (no UI loading at all) until the restart of the kibana service?

This is the only relevant log in kibana.log

{"type":"response","@timestamp":"2020-03-05T01:14:30Z","tags":[],"pid":3581,"method":"get","statusCode":200,"req":{"url":"/bundles/commons.bundle.js","method":"get","headers":{"user-agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.122 Safari/537.36","sec-fetch-dest":"script","accept":"*/*","sec-fetch-site":"same-origin","sec-fetch-mode":"no-cors","referer":"https://kibana.domain.com/","accept-encoding":"gzip, deflate, br","accept-language":"en-US,en;q=0.9,el;q=0.8","if-none-match":"\"6073d8af2a9e459f231412e755f05d3ce4cfec6f-/bundles/-gzip\"","host":"kibana.domain.com","via":"1.1 localhost (squid/3.5.27)","surrogate-capability":"localhost=\"Surrogate/1.0\"","x-forwarded-for":"85.75.12.196","cache-control":"max-age=259200"},"remoteAddress":"10.0.0.1","userAgent":"10.0.0.1","referer":"https://kibana.domain.com/"},"res":{"statusCode":200,"responseTime":35305,"contentLength":9},"message":"GET /bundles/commons.bundle.js 200 35305ms - 9.0B"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:xpack_main@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:searchprofiler@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:ml@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:tilemap@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:watcher@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:index_management@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:rollup@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:graph@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:spaces@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:security@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:grokdebugger@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:logstash@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:beats_management@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:reporting@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:elasticsearch@6.5.0","error"],"pid":3581,"state":"red","message":"Status changed from green to red - Request Timeout after 3000ms","prevState":"green","prevMsg":"Ready"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:xpack_main@6.5.0","info"],"pid":3581,"state":"green","message":"Status changed from red to green - Ready","prevState":"red","prevMsg":"Request Timeout after 3000ms"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:searchprofiler@6.5.0","info"],"pid":3581,"state":"green","message":"Status changed from red to green - Ready","prevState":"red","prevMsg":"Request Timeout after 3000ms"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:ml@6.5.0","info"],"pid":3581,"state":"green","message":"Status changed from red to green - Ready","prevState":"red","prevMsg":"Request Timeout after 3000ms"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:tilemap@6.5.0","info"],"pid":3581,"state":"green","message":"Status changed from red to green - Ready","prevState":"red","prevMsg":"Request Timeout after 3000ms"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:watcher@6.5.0","info"],"pid":3581,"state":"green","message":"Status changed from red to green - Ready","prevState":"red","prevMsg":"Request Timeout after 3000ms"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:index_management@6.5.0","info"],"pid":3581,"state":"green","message":"Status changed from red to green - Ready","prevState":"red","prevMsg":"Request Timeout after 3000ms"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:rollup@6.5.0","info"],"pid":3581,"state":"green","message":"Status changed from red to green - Ready","prevState":"red","prevMsg":"Request Timeout after 3000ms"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:graph@6.5.0","info"],"pid":3581,"state":"green","message":"Status changed from red to green - Ready","prevState":"red","prevMsg":"Request Timeout after 3000ms"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:grokdebugger@6.5.0","info"],"pid":3581,"state":"green","message":"Status changed from red to green - Ready","prevState":"red","prevMsg":"Request Timeout after 3000ms"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:logstash@6.5.0","info"],"pid":3581,"state":"green","message":"Status changed from red to green - Ready","prevState":"red","prevMsg":"Request Timeout after 3000ms"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:beats_management@6.5.0","info"],"pid":3581,"state":"green","message":"Status changed from red to green - Ready","prevState":"red","prevMsg":"Request Timeout after 3000ms"}
    {"type":"log","@timestamp":"2020-03-05T01:15:30Z","tags":["status","plugin:reporting@6.5.0","info"],"pid":3581,"state":"green","message":"Status changed from red to green - Ready","prevState":"red","prevMsg":"Request Timeout after 3000ms"}

Thank you all in advance

2

Looks like there is a problem in communication with Elasticsearch. Anything visible in the ES logs or any proxy in between them?

3

No, they are in the same server (kibana, elasticsearch and logstash).

4

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