# Kibana upgrade from 4.0.3 to 4.1.1 very slow

**URL:** <https://discuss.elastic.co/t/kibana-upgrade-from-4-0-3-to-4-1-1-very-slow/29575>\
**Category:** Kibana\
**Created:** [September 18, 2015, 1:29pm UTC](https://discuss.elastic.co/t/kibana-upgrade-from-4-0-3-to-4-1-1-very-slow/29575 "2015-09-18T13:29:20Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![CraigFoote](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/craigfoote/32/4571_2.png) [@CraigFoote](https://discuss.elastic.co/u/CraigFoote)\
**Post date:** [September 18, 2015, 1:29pm UTC](https://discuss.elastic.co/t/kibana-upgrade-from-4-0-3-to-4-1-1-very-slow/29575/1 "2015-09-18T13:29:20Z")

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We were running Kibana 4.0.3 with good performance but after upgrading to Kibana 4.1.1 the browser seems to hang, sometimes reporting slow script warning. It eventually completes whatever action I started but it can takes tens of minutes. Are there any configuration changes I need to make along with the upgrade?

Craig

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [September 19, 2015, 1:22am UTC](https://discuss.elastic.co/t/kibana-upgrade-from-4-0-3-to-4-1-1-very-slow/29575/2 "2015-09-19T01:22:17Z")

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There shouldn't be.

Check the Elasticsearch slow log, there may be another reason.

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**Author:** ![CraigFoote](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/craigfoote/32/4571_2.png) [@CraigFoote](https://discuss.elastic.co/u/CraigFoote)\
**Post date:** [September 21, 2015, 5:09pm UTC](https://discuss.elastic.co/t/kibana-upgrade-from-4-0-3-to-4-1-1-very-slow/29575/3 "2015-09-21T17:09:19Z")

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Thanks for replying Mark. My 'slow' logs are empty though.

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**Author:** ![CraigFoote](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/craigfoote/32/4571_2.png) [@CraigFoote](https://discuss.elastic.co/u/CraigFoote)\
**Post date:** [September 23, 2015, 7:09pm UTC](https://discuss.elastic.co/t/kibana-upgrade-from-4-0-3-to-4-1-1-very-slow/29575/4 "2015-09-23T19:09:13Z")

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Turns out it was my browser. Firefox 25.0.0.5046 is incredibly slow while IE 10.0.28 is really fast. Not sure why.

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [September 23, 2015, 9:11pm UTC](https://discuss.elastic.co/t/kibana-upgrade-from-4-0-3-to-4-1-1-very-slow/29575/5 "2015-09-23T21:11:05Z")

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That's a _super_ old version of FF, you should really upgrade.

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**Author:** ![CraigFoote](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/craigfoote/32/4571_2.png) [@CraigFoote](https://discuss.elastic.co/u/CraigFoote)\
**Post date:** [October 6, 2015, 3:19pm UTC](https://discuss.elastic.co/t/kibana-upgrade-from-4-0-3-to-4-1-1-very-slow/29575/6 "2015-10-06T15:19:14Z")

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LOL! I would if I could. Our corp is a little slow on upgrades. IE is working for me so I'm ok for now.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 2:11pm UTC](https://discuss.elastic.co/t/kibana-upgrade-from-4-0-3-to-4-1-1-very-slow/29575/7 "2017-07-06T14:11:49Z")

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Closed on July 6, 2017, 2:11pm UTC