HDDS-6749. SCM includes itself as peer in addSCM request #3413
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smengcl
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May 16, 2022
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lgtm. Thanks @adoroszlai for the patch
lokeshj1703
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May 17, 2022
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Thanks @adoroszlai for working on this! The changes look good to me. +1.
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Thanks @lokeshj1703, @smengcl, @swagle for the review. |
errose28
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May 20, 2022
* master: (96 commits) HDDS-6738. Migrate tests with rules in hdds-server-framework to JUnit5 (apache#3415) HDDS-6650. S3MultipartUpload support update bucket usedNamespace. (apache#3404) HDDS-6491. Support FSO keys in getExpiredOpenKeys (apache#3226) HDDS-6596. EC: Support ListBlock from CoordinatorDN (apache#3410) HDDS-6737. Migrate parameterized tests in hdds-server-framework to JUnit5 (apache#3414) HDDS-6660: EC: Add the DN side Reconstruction Handler class. (apache#3399) HDDS-6750. Migrate simple tests in hdds-server-scm to JUnit5 (apache#3417) HDDS-6749. SCM includes itself as peer in addSCM request (apache#3413) HDDS-6657. Improve Ozone integrated Ranger configuration instructions (apache#3365) HDDS-6742. Audit operation category mismatch (apache#3407) HDDS-6748. Intermittent timeout in TestECBlockReconstructedInputStream#testReadDataWithUnbuffer (apache#3416) HDDS-6731. Migrate simple tests in hdds-server-framework to JUnit5 (apache#3412) HDDS-5919. In kubernetes OM HA has circular dependency on service availability (apache#3185) HDDS-6730. Migrate tests in hdds-tools to JUnit5 (apache#3402) HDDS-6630. Explicitly remove node after being chosen (apache#3332) HDDS-6560. Add general Grafana dashboard (apache#3285) HDDS-6704. EC: ReplicationManager - create version of ContainerReplicaCounts applicable to EC (apache#3405) HDDS-6680. Pre-Finalize behaviour for Bucket Layout Feature. (apache#3377) HDDS-6619. Add freon command to run r/w mix workload using ObjectStore APIs (apache#3383) HDDS-6734. ozone admin pipeline list CLI is not backward compatible (apache#3406) ... Conflicts: hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/scm/metadata/SCMMetadataStore.java hadoop-hdds/interface-server/src/main/proto/SCMRatisProtocol.proto hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/metadata/SCMDBDefinition.java hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/metadata/SCMMetadataStoreImpl.java hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/StorageContainerManager.java
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What changes were proposed in this pull request?
SCM during start sends
addSCMrequest to its peers. It tries to exclude itself from the target list:ozone/hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/utils/HAUtils.java
Lines 119 to 121 in 4046150
but
removeSelfIddoes not work. The bug is that it sets the genericozone.scm.nodesproperty, leaving the SCM service-specific config keyozone.scm.nodes.<service>unchanged with 3 nodes.https://issues.apache.org/jira/browse/HDDS-6749
How was this patch tested?
Added unit test.
Also added log message to show list of peers the fail-over proxy is created with. From HA acceptance test:
https://github.com/adoroszlai/hadoop-ozone/actions/runs/2322096338