Hello Dan Burkert,

I'd like you to do a code review.  Please visit

    http://gerrit.cloudera.org:8080/4168

to review the following change.

Change subject: KUDU-1586. consensus: always send at least one op
......................................................................

KUDU-1586. consensus: always send at least one op

This fixes a bug in which the LogCache would not return any operations
in the case of a cache miss on an operation larger than the configured
batch size.

This would cause consensus to get "stuck": the leader would repeatedly
send status-only messages (i.e. no operations) to the follower in a
tight loop, never making any progress.

The new unit test reproduces the problem.

Change-Id: Ibde0e833a3bf02a5f09f2b73b6ab03b188c1e697
---
M src/kudu/consensus/log_cache-test.cc
M src/kudu/consensus/log_cache.cc
2 files changed, 7 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/68/4168/1
-- 
To view, visit http://gerrit.cloudera.org:8080/4168
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Ibde0e833a3bf02a5f09f2b73b6ab03b188c1e697
Gerrit-PatchSet: 1
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Todd Lipcon <t...@apache.org>
Gerrit-Reviewer: Dan Burkert <d...@cloudera.com>

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