captainzmc commented on a change in pull request #1489:
URL: https://github.com/apache/ozone/pull/1489#discussion_r513219358
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File path:
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/key/OMKeyRequest.java
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@@ -597,27 +596,40 @@ protected boolean checkDirectoryAlreadyExists(String
volumeName,
}
/**
- * Return volume info for the specified volume. If the volume does not
- * exist, returns {@code null}.
+ * Return volume info that updated usageBytes for the specified volume.
* @param omMetadataManager
* @param volume
+ * @param updateUsage
* @return OmVolumeArgs
* @throws IOException
*/
- protected OmVolumeArgs getVolumeInfo(OMMetadataManager omMetadataManager,
- String volume) {
-
- OmVolumeArgs volumeArgs = null;
-
- CacheValue<OmVolumeArgs> value =
- omMetadataManager.getVolumeTable().getCacheValue(
- new CacheKey<>(omMetadataManager.getVolumeKey(volume)));
-
- if (value != null) {
- volumeArgs = value.getCacheValue();
- }
+ protected static synchronized OmVolumeArgs syncUpdateUsage(
+ OMMetadataManager omMetadataManager, String volume, long updateUsage) {
+ OmVolumeArgs volumeArgs = omMetadataManager.getVolumeTable().getCacheValue(
+ new CacheKey<>(omMetadataManager.getVolumeKey(volume)))
+ .getCacheValue();
+ volumeArgs.getUsedBytes().add(updateUsage);
+ return volumeArgs.copyObject();
+ }
- return volumeArgs;
+ /**
+ * Return volume info that updated usageBytes for the specified volume. And
+ * check Volume usageBytes quota.
+ * @param omMetadataManager
+ * @param volume
+ * @param updateUsage
+ * @return OmVolumeArgs
+ * @throws IOException
+ */
+ protected static synchronized OmVolumeArgs syncCheckAndUpdateUsage(
Review comment:
> Do we need LongAdder still?
LongAdder will no longer be necessary if there are no concurrent updates to
usedBytes.
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