Bug 236404 - GFS2 requires a minimum lock hold time for glocks
GFS2 requires a minimum lock hold time for glocks
Status: CLOSED DUPLICATE of bug 248480
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Steve Whitehouse
Dean Jansa
: FutureFeature
Depends On: 235697
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Reported: 2007-04-13 12:33 EDT by Nate Straz
Modified: 2009-05-27 23:34 EDT (History)
3 users (show)

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Doc Type: Enhancement
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Last Closed: 2007-08-25 09:43:39 EDT
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Description Nate Straz 2007-04-13 12:33:21 EDT
+++ This bug was initially created as a clone of Bug #235697 +++

To solve the performance problems seen with the alternate test and similar
contention cases, we need to implement some kind of minimum lock hold time to
ensure that the cluster makes progress even in heavy lock traffic.

Probably we need a user configurable, but with a sensible default, setting which
puts a maximum cap on the minimum lock hold time, and then try to set the lock
hold time automatically using information gathered from the system, such as how
long the wait has been when acquiring the lock, how much work needs to be done, etc.
Comment 1 RHEL Product and Program Management 2007-04-13 14:04:08 EDT
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update
Comment 2 Steve Whitehouse 2007-06-05 09:06:56 EDT
This has missed 5.1, so retarget for 5.2?
Comment 3 Steve Whitehouse 2007-08-25 09:43:39 EDT

*** This bug has been marked as a duplicate of 248480 ***

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