HDDS-6748. Intermittent timeout in TestECBlockReconstructedInputStream#testReadDataWithUnbuffer #3416
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sodonnel
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May 16, 2022
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LGTM - thanks for fixing this.
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Thanks @sodonnel for the review. |
errose28
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* 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?
Use fixed read buffer size instead of random one, which could even be 0. Too small buffer leads to long execution times and intermittent timeouts.
(We can restore randomness, if desired, by enforcing minimum size.)
https://issues.apache.org/jira/browse/HDDS-6748
How was this patch tested?
Repeated successfully 100x:
https://github.com/adoroszlai/hadoop-ozone/runs/6434203328
Regular CI:
https://github.com/adoroszlai/hadoop-ozone/runs/6430180619#step:5:3562