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https://issues.apache.org/jira/browse/HDDS-1499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16843593#comment-16843593
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Hudson commented on HDDS-1499:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #16573 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/16573/])
HDDS-1499. OzoneManager Cache. (#798) (arp7: rev
0d1d7c86ec34fabc62c0e3844aca3733024bc172)
* (add)
hadoop-hdds/common/src/test/java/org/apache/hadoop/utils/db/cache/package-info.java
* (add)
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/cache/CacheKey.java
* (edit)
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/DBStore.java
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OmMetadataManagerImpl.java
* (edit)
hadoop-hdds/common/src/test/java/org/apache/hadoop/utils/db/TestTypedRDBTableStore.java
* (edit)
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/RDBTable.java
* (edit) hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/Table.java
* (edit)
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/TypedTable.java
* (add)
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/cache/PartialTableCache.java
* (add)
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/cache/TableCache.java
* (add)
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/cache/CacheValue.java
* (add)
hadoop-hdds/common/src/test/java/org/apache/hadoop/utils/db/cache/TestPartialTableCache.java
* (add)
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/cache/EpochEntry.java
* (add)
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/cache/package-info.java
> OzoneManager Cache
> ------------------
>
> Key: HDDS-1499
> URL: https://issues.apache.org/jira/browse/HDDS-1499
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Components: Ozone Manager
> Reporter: Bharat Viswanadham
> Assignee: Bharat Viswanadham
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.5.0
>
> Time Spent: 12h
> Remaining Estimate: 0h
>
> In this Jira, we shall implement a cache for Table.
> As with OM HA, we are planning to implement double buffer implementation to
> flush transaction in a batch, instead of using rocksdb put() for every
> operation. When this comes in to place we need cache in OzoneManager HA to
> handle/server the requests for validation/returning responses.
>
> This Jira will implement Cache as an integral part of the table. In this way
> users using this table does not need to handle like check cache/db. For this,
> we can update get API in the table to handle the cache.
>
> This Jira will implement:
> # Cache as a part of each Table.
> # Uses this cache in get().
> # Exposes api for cleanup, add entries to cache.
> Usage to add the entries in to cache will be done in further jira's.
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