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Fix crash test allocation error under TSAN #3803

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@ajkr ajkr commented May 4, 2018

We were seeing the following error: "ThreadSanitizer: DenseSlabAllocator overflow. Dying."

It is fixable by mmap'ing a smaller region for keys' expected values, which this PR achieves by reducing the number of keys.

Test Plan:

  • run the command that our CI uses:
$ TEST_TMPDIR=/dev/shm/rocksdb OPT=-g COMPILE_WITH_TSAN=1 CRASH_TEST_KILL_ODD=1887 CRASH_TEST_EXT_ARGS=--log2_keys_per_lock=22 make crash_test

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@ajkr has imported this pull request. If you are a Facebook employee, you can view this diff on Phabricator.

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@ajkr has updated the pull request. View: changes, changes since last import

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@ajkr is landing this pull request. If you are a Facebook employee, you can view this diff on Phabricator.

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