Bug 1387563 – [RFE]: md-cache performance enhancement

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Bug 1387563 - [RFE]: md-cache performance enhancement

Summary:	[RFE]: md-cache performance enhancement

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Gluster Storage
Classification:	Red Hat
Component:	md-cache (Show other bugs)
Sub Component:
Version:	3.2
Hardware:	Unspecified Unspecified

Priority	unspecified Severity high
Target Milestone:	---
Target Release:	RHGS 3.2.0
Assigned To:	Michael Adam
QA Contact:	surabhi
Docs Contact:

URL:
Whiteboard:
Keywords:	FutureFeature

Depends On:	1284873
Blocks:	1351503
	Show dependency tree / graph

Reported:	2016-10-21 05:21 EDT by rjoseph
Modified:	2017-03-23 02:14 EDT (History)
CC List:	4 users (show)

See Also:
Fixed In Version:	glusterfs-3.8.4-3
Doc Type:	If docs needed, set a value
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2017-03-23 02:14:31 EDT
Type:	Bug
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2017:0486	normal	SHIPPED_LIVE	Moderate: Red Hat Gluster Storage 3.2.0 security, bug fix, and enhancement update	2017-03-23 05:18:45 EDT

Groups: None (edit)

Description rjoseph 2016-10-21 05:21:16 EDT

Description of problem:

Currently md-cache invalidation timeout is 1 min which is very low. For improving performance we need to increase this timeout. But increasing the timeout can lead to stale cache issues. Therefore provide a way for cache invalidation.

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


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:

Comment 3 Atin Mukherjee 2016-10-22 09:50:27 EDT

Please refer to BZ 1284873 for the list of patches.

Comment 5 surabhi 2016-12-15 06:17:43 EST

The 3.2 builds are received with md-cache changes and is qualified with core components.The documentation is in plac ein under review. the default value for cache invalidation is 1 min , and as per recommendation and doc , QE has tested it with 600 secs.

Since the functionality is present in current build od 3.2 closing this RFE. Any further bugs uncovered in testing will open a new Bugzilla for md-cache.

marking it Verified.glusterfs-3.8.4-8.el7rhgs.x86_64

Comment 7 errata-xmlrpc 2017-03-23 02:14:31 EDT

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHSA-2017-0486.html

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