unit tests: Fix GlobalAndWBMSetupDelay #589
Merged
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RUN ] GlobalWriteControllerTest.GlobalAndWBMSetupDelay
db/global_write_controller_test.cc:391: Failure
Value of: options.write_buffer_manager->memory_usage() < 5_kb
Actual: false
Expected: true
FAILED ] [GlobalWriteControllerTest.GlobalAndWBMSetupDelay (44 ms)
The memory is freed only when the detor of the version is called in
job_context.Clean();
underDBImpl::BackgroundCallFlush
.The problem was that calling Flush with
FlushOptions.wait = true
, doesn't wait for the memory to be free which also happens during the flush process.So the fix is adding a sync point which delays the assertion of checking the WBM memory usage to after the flush cleared the memtable memory.