[Tablet][Recovery] Support using empty tablet to repair the damaged or missing tablet #4255
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
morningman
added
kind/improvement
area/catalog
morningman
force-pushed
the
force_recovery
branch
from
0c03aba to
534c4e4
Compare
morningman
force-pushed
the
force_recovery
branch
from
534c4e4 to
3c21dde
Compare
acelyc111
pushed a commit
to acelyc111/incubator-doris
that referenced
this pull request
Aug 21, 2020
…r missing tablet (apache#4255) In some very special circumstances, such as code bugs, or human misoperation, etc., all replicas of some tablets may be lost. In this case, the data has been substantially lost. However, in some scenarios, the business still hopes to ensure that the query will not report errors even if there is data loss, and reduce the perception of the user layer. At this point, we can use the blank Tablet to fill the missing replica to ensure that the query can be executed normally. Add a new FE config `recover_with_empty_tablet`. default is false. true means to use empty tablet to fill the missing one. Also fix a bug in Fix apache#4274
Closed
BiteTheDDDDt
pushed a commit
to BiteTheDDDDt/incubator-doris
that referenced
this pull request
Sep 1, 2025
…the JSON reader was not initialized when the JSON path is specified as '$.’ apache#52211 apache#52267 (apache#4255) Cherry-picked from apache#52267
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Proposed changes
In some very special circumstances, such as code bugs, or human misoperation, etc., all replicas of some tablets may be lost. In this case, the data has been substantially lost. However, in some scenarios, the business still hopes to ensure that the query will not report errors even if there is data loss, and reduce the perception of the user layer. At this point, we can use the blank Tablet to fill the missing replica to ensure that the query can be executed normally.
Add a new FE config
recover_with_empty_tablet. default is false. true means to use empty tablet to fill the missing one.Also fix a bug in Fix #4274
Types of changes
Checklist