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[compression] Close storage before compression #284

Merged
merged 2 commits into from
Feb 7, 2020
Merged

[compression] Close storage before compression #284

merged 2 commits into from
Feb 7, 2020

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piraka9011
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@piraka9011 piraka9011 commented Feb 4, 2020 •
edited by zmichaels11
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Changes

  • Close the storage plugin before compressing it. While it is legal to compress an open storage plugin, it will result in only the data synced to disc being compressed.
  • This work is in relationship to reducing flakiness in rosbag2_tests record end-to-end test.

Note

Signed-off-by: Anas Abou Allaban [email protected]

thomas-moulard
thomas-moulard suggested changes Feb 4, 2020
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Let's make sure this is the right logical approach as we discussed offline.

@piraka9011
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Investigating a better approach to closing the bag file since this may result in an extra bag file generated if there are no more new messages.

@piraka9011 piraka9011 force-pushed the clean-compression branch 2 times, most recently from 25cbdc5 to d56476f Compare February 6, 2020 00:14
@zmichaels11
Close storage before compression
7fe19fa 
Signed-off-by: Anas Abou Allaban <[email protected]>
Signed-off-by: Zachary Michaels <[email protected]>
@zmichaels11 zmichaels11 changed the title Close storage before compression [compression] Close storage before compression Feb 6, 2020
@zmichaels11
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I've verified in #263 that this approach does fix a bug visible in Windows.
The changes done are:

  • Close storage plugin before compressing. This order of operations needs to be explicit due to logic for closing the last bag file within the dtor
  • Only compress if the bag file exists and is not empty

@zmichaels11
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@ros2/aws-oncall - please run this CI job
Gist: https://gist.githubusercontent.com/zmichaels11/7a6c7e7de66e7a449e703611310fb4ad/raw/b4dffe80154096d58dcb84458282f6d70ec2b676/ros2.repos
BUILD args: --packages-up-to rosbag2_compression
TEST args: --packages-select rosbag2_compression
Job: ci_launcher

@zmichaels11 zmichaels11 mentioned this pull request Feb 7, 2020
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  • Linux Build Status
  • Linux-aarch64 Build Status
  • macOS Build Status
  • Windows Build Status
  • Windows-container Build Status

thomas-moulard
thomas-moulard approved these changes Feb 7, 2020
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LGTM

@zmichaels11 zmichaels11 merged commit baca364 into ros2:master Feb 7, 2020
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@zmichaels11 zmichaels11 zmichaels11 approved these changes

@thomas-moulard thomas-moulard thomas-moulard approved these changes

@emersonknapp emersonknapp emersonknapp approved these changes

@Karsten1987 Karsten1987 Awaiting requested review from Karsten1987

@dabonnie dabonnie Awaiting requested review from dabonnie

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@piraka9011 @zmichaels11 @emersonknapp @thomas-moulard @dabonnie