Hello I've rebased on 2.1 BUILD:  https://travis-ci.org/tarantool/tarantool/builds/460238498 BRANCH: https://github.com/tarantool/tarantool/tree/sergw/enable-parallel-test-wal-off-clean-2.1 >Среда, 19 сентября 2018, 19:57 +03:00 от Alexander Turenko : > >Hi! > >Comments are below. > >WBR, Alexander Turenko. > >Maybe we should place the fix on top of 1.9. I asked Kostya O. and >Kirill Yu. about that in the chat, please ping them and proceed >appropriately. > >> enable parallel mode for wall_off tests > >wall -> wal > >> diff --git a/test/wal_off/lua.test.lua b/test/wal_off/lua.test.lua >> index 7daf9f3f6..02ec9e795 100644 >> --- a/test/wal_off/lua.test.lua >> +++ b/test/wal_off/lua.test.lua >> @@ -1,5 +1,6 @@ >> env = require('test_run') >> test_run = env.new() >> +test_run:cmd("restart server default with cleanup=1") > >So the approach is to restart the server with clean up for each tests. >It will slows down the execution. The another way you propose (w/ spaces >renaming) seems to be better for me. > >Anyway, you don't describe a reason why exactly this is needed. How we >can meet an inconsistent state if a server was not restarted or >restarted with clean up? I propose to describe problems you fix in the >commit message, otherwise I'll need to investigate the issue again after >you to understand it and give the review. -- Sergei Voronezhskii