Commits on Nov 1, 2024

1. DAOS-16721 dtx: handle potential DTX ID reusing trouble - b26 …

   The patch contains the following improvements:
   
   1. When VOS level logic returns -DER_TX_RESATRT, the object level RPC
      handler should set 'RESEND' flag then restart the transaction with
      newer epoch. Because dtx_abort() logic cannot guarantee all former
      prepared DTX entries (on all related participants) can be aborted,
      especially if the former one failed for some network trouble, that
      may cause restarted transaction hit -DER_TX_ID_REUSED unexpectedly.
   
   2. Compare the epoch for DTX entries with the same transaction ID for
      distinguishing potential reused TX ID more accurately.
   
   3. Add DTX entry into DTX CoS cache if cannot commit it synchronously.
      Then subsequent batched commit logic can handle it.
   
   4. If server complains suspected TX ID reusing, then reports -EIO to
      related application instead of assertion on client.
   
   5. Control DTX related warning message frequency to avoid log flood.
   
   6. Collect more information when generate some error/warning message.
   
   Allow-unstable-test: true
   
   Signed-off-by: Fan Yong <[email protected]>

   

   Nasf-Fan committed Nov 1, 2024
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