Handling of empty server tags in controller's availability check#13954
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mayankshriv merged 8 commits intoapache:masterfrom Sep 10, 2024
Merged
Handling of empty server tags in controller's availability check#13954mayankshriv merged 8 commits intoapache:masterfrom
mayankshriv merged 8 commits intoapache:masterfrom
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anandheritage
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #13954 +/- ##
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- Coverage 61.75% 57.89% -3.86%
- Complexity 207 219 +12
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Files 2436 2612 +176
Lines 133233 143206 +9973
Branches 20636 21988 +1352
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+ Hits 82274 82905 +631
- Misses 44911 53818 +8907
- Partials 6048 6483 +435
Flags with carried forward coverage won't be shown. Click here to find out more. ☔ View full report in Codecov by Sentry. |
mayankshriv
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Sep 9, 2024
pinot-common/src/main/java/org/apache/pinot/common/utils/helix/HelixHelper.java
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...test/java/org/apache/pinot/controller/helix/core/PinotHelixResourceManagerStatelessTest.java
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mayankshriv
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Sep 9, 2024
Jackie-Jiang
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Sep 9, 2024
...ntroller/src/main/java/org/apache/pinot/controller/helix/core/PinotHelixResourceManager.java
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anandheritage
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Looked at the failed test cases - seems like flanky ones , doesn't look related to the changes too - In local same tests are working fine. |
Jackie-Jiang
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Sep 10, 2024
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Jackie-Jiang
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LGTM with minor comments
| return instancesWithTag; | ||
| } | ||
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| public static List<InstanceConfig> getInstancesConfigsWithoutTag(List<InstanceConfig> instanceConfigs, String tag) { |
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Suggest changing tag to defaultTag and add some javadoc explaining this is the tag representing that there is no tag associated with the instance. Same for other methods
| List<InstanceConfig> instancesWithoutTag = getInstancesConfigsWithoutTag(instanceConfigs, tag); | ||
| return instancesWithoutTag.stream().map(InstanceConfig::getInstanceName).collect(Collectors.toList()); | ||
| } | ||
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(minor) Remove extra empty line
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PR addresses an issue where the Pinot controller incorrectly interprets servers with empty tag lists as "tagged" servers. The current logic in PinotHelixResourceManager checks for the presence of the "server_untagged" tag to determine if a server is untagged and thus available. However, when a server has no tags, it is mistakenly considered as tagged, leading to incorrect behavior in server availability checks.
https://apache-pinot.slack.com/archives/C011C9JHN7R/p1725801169774139