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  1. Ignite
  2. IGNITE-8727

Provide way to test MMap WAL modes failures

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    Description

      Currently tests 4 are failed in PDS 2 suite with timeout:
      IgnitePdsTestSuite2: IgniteWalFlushBackgroundWithMmapBufferSelfTest.testFailAfterStart (fail rate 100,0%)
      IgnitePdsTestSuite2: IgniteWalFlushBackgroundWithMmapBufferSelfTest.testFailWhileStart (fail rate 100,0%)
      IgnitePdsTestSuite2: IgniteWalFlushLogOnlyWithMmapBufferSelfTest.testFailAfterStart (fail rate 100,0%)
      IgnitePdsTestSuite2: IgniteWalFlushLogOnlyWithMmapBufferSelfTest.testFailWhileStart (fail rate 100,0%)

      Tests were introduced in ticket IGNITE-7809.

      Tests try to emulate failure using exceptions in file IO, but MMap-ed modes does not allow currently to be tested with current tests approach.

      It is suggested to create new testing opportunities for MMap modes.

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          relates to

          Task - A task that needs to be done. IGNITE-7809 Ignite PDS 2 & PDS 2 Direct IO: stable failures of IgniteWalFlushDefaultSelfTest

          • Major - Major loss of function.
          • Resolved
          links to

          Web Link GitHub Pull Request #4160

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              jokser Pavel Kovalenko
              dpavlov Dmitry Pavlov
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