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Posted to commits@doris.apache.org by "yangzhg (via GitHub)" <gi...@apache.org> on 2023/04/24 03:35:10 UTC

[GitHub] [doris] yangzhg opened a new pull request, #18986: [chore](recover) add a config to recover remaining data in emergency

yangzhg opened a new pull request, #18986:
URL: https://github.com/apache/doris/pull/18986

   # Proposed changes
   
   Issue Number: close #xxx
   
   ## Problem summary
   
   Describe your changes.
   
   ## Checklist(Required)
   
   * [ ] Does it affect the original behavior
   * [ ] Has unit tests been added
   * [ ] Has document been added or modified
   * [ ] Does it need to update dependencies
   * [ ] Is this PR support rollback (If NO, please explain WHY)
   
   ## Further comments
   
   If this is a relatively large or complex change, kick off the discussion at [dev@doris.apache.org](mailto:dev@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc...
   
   


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[GitHub] [doris] yongjinhou commented on a diff in pull request #18986: [chore](recover) add a config to recover remaining data in emergency

Posted by "yongjinhou (via GitHub)" <gi...@apache.org>.

yongjinhou commented on code in PR #18986:
URL: https://github.com/apache/doris/pull/18986#discussion_r1179871974


##########
fe/fe-common/src/main/java/org/apache/doris/common/Config.java:
##########
@@ -1439,6 +1439,20 @@ public class Config extends ConfigBase {
     @ConfField(mutable = true, masterOnly = true)
     public static boolean recover_with_empty_tablet = false;
 
+    /**
+     * In some scenarios, there is an unrecoverable metadata problem in the cluster,
+     * and the visibleVersion of the data does not match be. In this case, it is still
+     * necessary to restore the remaining data (which may cause problems with the correctness of the data).
+     * This configuration is the same as` recover_with_empty_tablet` should only be used in emergency situations
+     * This configuration has three values:
+     *   disable : If an exception occurs, an error will be reported normally.
+     *   ignore_version: ignore the visibleVersion information recorded in fe partition, use replica version
+     *   ignore_all: In addition to ignore_version, when encountering no queryable replica,
+     *   skip it directly instead of throwing an exception
+     */
+    @ConfField(mutable = true, masterOnly = true)
+    public static String revover_with_skip_missing_version = "disable";

Review Comment:
   revover -> recover ???



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