Bug 1202968

Summary:	RDMA: Write performance is worse than TCP.
Product:	[Red Hat Storage] Red Hat Gluster Storage	Reporter:	Ben Turner <bturner>
Component:	rdma	Assignee:	Raghavendra G <rgowdapp>
Status:	CLOSED WONTFIX	QA Contact:	storage-qa-internal <storage-qa-internal>
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	rhgs-3.0	CC:	bturner, chrisw, nlevinki, rcyriac, rtalur, rwheeler, sankarshan, smohan
Target Milestone:	---	Keywords:	ZStream
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-04-16 18:06:24 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Ben Turner 2015-03-17 19:49:23 UTC

Description of problem:

I am seeing slower write performance with RDMA volumes than TCP.

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

3.6.0.51

How reproducible:

Every time.

Steps to Reproduce:
1.  Run write tests on TCP volumes.
2.  Run write tests on RDMA volumes.

Actual results:

RDMA is slower than TCP.

Expected results:

RDMA is at least as fast as TCP.

Additional info: