tree 7ff3e67a2025f259bebdf96d02f2035552a608da
parent 0f407d9224c92a2a5d571dcd53873da9c287021f
author Murtadha Hubail <mhubail@apache.org> 1590085786 +0300
committer Murtadha Hubail <mhubail@apache.org> 1590107951 +0000

[ASTERIXDB-2738][STO] Create Mask File Before Merge Operations

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- Before starting a merge operation, create a mask file
  (.mask_C_startSeq_endSeq) for the merged component to
  indicate that this component isn't valid yet.
- On the merge operation successful completion, delete the
  merged component mask file.
- In the case of any unexpected failure during the merge
  operation, all files of the failed merged component will
  be deleted on node startup/shutdown, including the mask
  file.
- Halt on any IO opeartion failure.
- Add a test case that ensures only masked merged components
  are deleted but not the original components that were
  supposed to be merged.

Change-Id: I476dd3be5e75468e83044b3aaf0f6c2d8beadf1c
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/6425
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Murtadha Hubail <mhubail@apache.org>
Reviewed-by: Luo Chen <cluo8@uci.edu>