Re: [Tarantool-patches] [PATCH v4] qsync: provide box.info.synchro interface for monitoring

[Cyrill Gorcunov via Tarantool-patches <tarantool-patches@dev.tarantool.org>]

On Thu, Apr 08, 2021 at 03:58:38PM +0300, Serge Petrenko wrote:
> 08.04.2021 15:18, Cyrill Gorcunov пишет:
> > In commit 14fa5fd82 (cfg: support symbolic evaluation of
> > replication_synchro_quorum) we implemented support of
> > symbolic evaluation of `replication_synchro_quorum` parameter
> > and there is no easy way to obtain it current run-time value,
> > ie evaluated number value.
> > 
> > Moreover we would like to fetch queue length on transaction
> > limbo for tests and extend this statistics in future. Thus
> > lets add them.
> > 
> > Closes #5191
> 
> Thanks for the fixes!
> 
> Please return `box.info.synchro.quorum` assertions to the
> test regarding quorum evaluation. Like you had it in the
> previous patch version.
> 

Say like this?
---
diff --git a/test/replication/qsync_basic.result b/test/replication/qsync_basic.result
index 3457d2cc9..985a5baff 100644
--- a/test/replication/qsync_basic.result
+++ b/test/replication/qsync_basic.result
@@ -653,6 +653,13 @@ test_run:cmd('switch default')
  | ---
  | - true
  | ...
+box.cfg{ replication_synchro_quorum = "N/2+1" }
+ | ---
+ | ...
+assert(box.info.synchro.quorum == 2)
+ | ---
+ | - true
+ | ...
 test_run:cmd('stop server replica')
  | ---
  | - true
diff --git a/test/replication/qsync_basic.test.lua b/test/replication/qsync_basic.test.lua
index a604d80ee..a1787648f 100644
--- a/test/replication/qsync_basic.test.lua
+++ b/test/replication/qsync_basic.test.lua
@@ -261,6 +261,8 @@ box.space.sync:count()
 -- and do not switch to other nodes.
 --
 test_run:cmd('switch default')
+box.cfg{ replication_synchro_quorum = "N/2+1" }
+assert(box.info.synchro.quorum == 2)
 test_run:cmd('stop server replica')
 assert(box.info.synchro.queue.len == 0)
 box.cfg{replication_synchro_timeout = 2}