avijayanhwx commented on a change in pull request #987: HDDS-1685. Recon: Add
support for 'start' query param to containers…
URL: https://github.com/apache/hadoop/pull/987#discussion_r298427231
##########
File path:
hadoop-ozone/ozone-recon/src/main/java/org/apache/hadoop/ozone/recon/spi/impl/ContainerDBServiceProviderImpl.java
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@@ -164,38 +206,49 @@ public Integer getCountForForContainerKeyPrefix(
return prefixes;
}
- /**
- * Get all the containers.
- *
- * @return Map of containerID -> containerMetadata.
- * @throws IOException
- */
- @Override
- public Map<Long, ContainerMetadata> getContainers() throws IOException {
- // Set a negative limit to get all the containers.
- return getContainers(-1);
- }
-
/**
* Iterate the DB to construct a Map of containerID -> containerMetadata
- * only for the given limit.
+ * only for the given limit from the given start key. The start containerID
+ * is skipped from the result.
*
* Return all the containers if limit < 0.
*
+ * @param limit No of containers to get.
+ * @param prevKey containerID after which the list of containers are scanned.
* @return Map of containerID -> containerMetadata.
* @throws IOException
*/
@Override
- public Map<Long, ContainerMetadata> getContainers(int limit)
+ public Map<Long, ContainerMetadata> getContainers(int limit, long prevKey)
Review comment:
Can we name the argument previousContainer instead of prevKey?
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