[ovs-build] Failed: blp/ovs-reviews#398 (monitor_cond - 7f66b55)

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Mon Jul 18 22:32:43 UTC 2016


Build Update for blp/ovs-reviews
-------------------------------------

Build: #398
Status: Failed

Duration: 37 minutes and 15 seconds
Commit: 7f66b55 (monitor_cond)
Author: Liran Schour
Message: OVN: Implementation of conditional monitoring usage

Conditional monitor of: Port_Binding, Logical_Flow, Multicast_Group
MAC_Binding tables. As a result ovn-controller will be notified only about
records belongs to a datapath that is being served by this hypervisor.

Performance evaluation:
OVN is the main candidate for conditional monitoring usage. It is clear that
conditional monitoring reduces computation on the ovn-controller (client) side
due to the reduced size of flow tables and update messages. Performance
evaluation shows up to 75% computation reduction.
However, performance evaluation shows also a reduction in computation on the SB
ovsdb-server side proportional to the degree that each logical network is
spread over physical hosts in the DC. Evaluation shows that in a realistic
scenarios there is a computation reduction also in the server side.

Evaluation on simulated environment of 50 hosts and 1000 logical ports shows
the following results (cycles #):

LN spread over # hosts|    master    | patch        | change
-------------------------------------------------------------
            1         | 24597200127  | 24339235374  |  1.0%
            6         | 23788521572  | 19145229352  | 19.5%
           12         | 23886405758  | 17913143176  | 25.0%
           18         | 25812686279  | 23675094540  |  8.2%
           24         | 28414671499  | 24770202308  | 12.8%
           30         | 31487218890  | 28397543436  |  9.8%
           36         | 36116993930  | 34105388739  |  5.5%
           42         | 37898342465  | 38647139083  | -1.9%
           48         | 41637996229  | 41846616306  | -0.5%
           50         | 41679995357  | 43455565977  | -4.2%

Signed-off-by: Liran Schour <lirans at il.ibm.com>
Signed-off-by: Ben Pfaff <blp at ovn.org>

View the changeset: https://github.com/blp/ovs-reviews/compare/b2ffb17c0c08^...7f66b558ef45

View the full build log and details: https://travis-ci.org/blp/ovs-reviews/builds/145673948

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