# Upgrade failed due to process terminating
**URL:** https://meta.discourse.org/t/upgrade-failed-due-to-process-terminating/33646
**Category:** Self-hosting
**Created:** [September 23, 2015, 3:52pm UTC](https://meta.discourse.org/t/upgrade-failed-due-to-process-terminating/33646 "2015-09-23T15:52:36Z")
**Posts on this page:** 5
**Page:** 2
### Author:  [@zogstrip](https://meta.discourse.org/u/zogstrip)
#### Post date: [September 28, 2015, 11:47am UTC](https://meta.discourse.org/t/upgrade-failed-due-to-process-terminating/33646/22 "2015-09-28T11:47:32Z")
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### Author:  [@Noya](https://meta.discourse.org/u/Noya)
#### Post date: [September 28, 2015, 12:10pm UTC](https://meta.discourse.org/t/upgrade-failed-due-to-process-terminating/33646/23 "2015-09-28T12:10:00Z")
Hey everyone!
I’ve been struggling with the exact same problem as @shadowhand since my first steps with Discourse a few weeks ago. For me, it is still not resolved on current beta.
After having a look at `message_bus.rb`, I think the problem is as follows: The default `keepalive_interval` is set to `60` seconds and the subscriber is killed after 3x this interval, i.e. after ~ 3 minutes. The asset precompilation for some files takes about 5 minutes on my DigitalOcean droplet.
Without having further investigated the asset compilation step, my guess would be that while a single asset is compiling, the subscriber is blocked, can’t respond to the keepalive and… gets killed mercilessly 😉 .
To confirm this, I’ve set the default `keepalive_interval` to `0`, which disables the keepalive mechanism. Asset precompilation then runs through as expected 😄 .
Maybe a solution would be to disable or raise the `keepalive_interval` for the asset precompilation step? Anyway, hope this will help you to fix this bug.
PS: Thank you for your awesome work on Discourse!
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### Author:  [@sam](https://meta.discourse.org/u/sam)
#### Post date: [September 28, 2015, 12:13pm UTC](https://meta.discourse.org/t/upgrade-failed-due-to-process-terminating/33646/24 "2015-09-28T12:13:38Z")
I plan to change it so all rake tasks manually disable the keepalive checks.
If you want to give it a shot in a PR let me know.
Basically anything that is a rake task should disable this in message bus.
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### Author:  [@sam](https://meta.discourse.org/u/sam)
#### Post date: [September 29, 2015, 12:18am UTC](https://meta.discourse.org/t/upgrade-failed-due-to-process-terminating/33646/25 "2015-09-29T00:18:37Z")
This should be fixed now per:
[https://github.com/discourse/discourse/commit/08ee367210f72d5eb33763c7db4bb7e9e9e32ba3](https://github.com/discourse/discourse/commit/08ee367210f72d5eb33763c7db4bb7e9e9e32ba3)
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### Author:  [@codinghorror](https://meta.discourse.org/u/codinghorror)
#### Post date: [October 24, 2015, 5:21am UTC](https://meta.discourse.org/t/upgrade-failed-due-to-process-terminating/33646/26 "2015-10-24T05:21:14Z")
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