Bug 1403394 - Database replication is failing for LVDC
Summary: Database replication is failing for LVDC
Keywords:
Status: CLOSED DUPLICATE of bug 1404028
Alias: None
Product: Red Hat CloudForms Management Engine
Classification: Red Hat
Component: Replication
Version: 5.6.0
Hardware: All
OS: All
unspecified
urgent
Target Milestone: GA
: cfme-future
Assignee: Gregg Tanzillo
QA Contact: Dave Johnson
URL:
Whiteboard:
Depends On:
Blocks: 1412279
TreeView+ depends on / blocked
 
Reported: 2016-12-09 23:00 UTC by Josh Carter
Modified: 2020-02-14 18:17 UTC (History)
5 users (show)

Fixed In Version:
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Clone Of:
: 1412279 (view as bug list)
Environment:
Last Closed: 2017-01-11 22:16:04 UTC
Category: ---
Cloudforms Team: ---
Target Upstream Version:

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Description Josh Carter 2016-12-09 23:00:06 UTC 
Description of problem:

Database replication is failing for LVDC
After upgrade from 3.2 to 4.2

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:
Comment 4 Nick Carboni 2016-12-14 22:38:58 UTC 
This was caused by a combination of factors.

-The latency between the remote server running the replication worker and the global was about 40ms.
-The replication was slow enough that in many cases, the time to replicate one batch of data would exceed the replication subprocess heartbeat timeout and the process was being killed.
-https://bugzilla.redhat.com/show_bug.cgi?id=1404028 was causing an incredible backlog (taggings and events) during provisioning.

As a fix for this issue we will look at the frequency the replication process heartbeats to avoid the second issue mentioned above.
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