- **status**: review -- fixed
- **Comment**:
changeset: 5578:80f9493def7e
tag: tip
user:A V Mahesh mahesh.va...@oracle.com
date:Thu Aug 14 14:45:05 2014 +0530
summary: imm: tune imm macros according to mds mcast size [#851]
changeset: 5577:fd9b07b46fe5
user:
- **status**: accepted -- review
---
** [tickets:#851] MDS: use TIPC multicast**
**Status:** review
**Milestone:** 4.5.FC
**Created:** Mon Apr 14, 2014 09:31 AM UTC by Hans Feldt
**Last Updated:** Thu Jul 17, 2014 07:00 AM UTC
**Owner:** A V Mahesh (AVM)
MDS broadcast is implemented as
- **Comment**:
Hans as I said before , attaching the patch for your per-reference
Testing collecting benchmarking figures are in progress.
---
** [tickets:#851] MDS: use TIPC multicast**
**Status:** accepted
**Milestone:** 4.5.FC
**Created:** Mon Apr 14, 2014 09:31 AM UTC by Hans Feldt
---
** [tickets:#851] MDS: use TIPC multicast**
**Status:** accepted
**Milestone:** 4.5.FC
**Created:** Mon Apr 14, 2014 09:31 AM UTC by Hans Feldt
**Last Updated:** Thu Jul 17, 2014 06:59 AM UTC
**Owner:** A V Mahesh (AVM)
MDS broadcast is implemented as multiple unicasts. This does not
- **status**: assigned -- accepted
---
** [tickets:#851] MDS: use TIPC multicast**
**Status:** accepted
**Milestone:** 4.5.FC
**Created:** Mon Apr 14, 2014 09:31 AM UTC by Hans Feldt
**Last Updated:** Thu Jun 26, 2014 10:50 AM UTC
**Owner:** A V Mahesh (AVM)
MDS broadcast is implemented as
- **status**: unassigned -- assigned
- **assigned_to**: A V Mahesh (AVM)
- **Comment**:
Will be working on this ticket after #806 #520 ticket.
---
** [tickets:#851] MDS: use TIPC multicast**
**Status:** assigned
**Milestone:** 4.5.FC
**Created:** Mon Apr 14, 2014 09:31 AM UTC by Hans Feldt
One problem of using multicast is encoding/decoding when peers are of different
MDS versions. One size does not fit all...
One solution could be: MDS knows peer versions so it can fallback to using
unicast (in the broadcast case).
---
** [tickets:#851] MDS: use TIPC multicast**
**Status:**
- **Comment**:
In in service upgrade process at a give point of time we may have some node
with older MDS versions some node with new MDS versions so the new upgraded
node should do both new multicast old broadcast , is that you mean ?
---
** [tickets:#851] MDS: use TIPC multicast**
- Description has changed:
Diff:
--- old
+++ new
@@ -1 +1,5 @@
-placeholder...
+MDS broadcast is implemented as multiple unicasts. This does not scale and
adds unnecessary load to the sending process.
+
+MDS broadcast should use TIPC multicast.
+
+Attached is a hack that does this. It can
