bharatviswa504 commented on a change in pull request #2938:
URL: https://github.com/apache/ozone/pull/2938#discussion_r773341947
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File path:
hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/RepeatedOmKeyInfo.java
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@@ -66,7 +68,7 @@ public static RepeatedOmKeyInfo getFromProto(RepeatedKeyInfo
* @return
*/
public RepeatedKeyInfo getProto(boolean compact, int clientVersion) {
- List<KeyInfo> list = new ArrayList<>();
+ List<KeyInfo> list = new CopyOnWriteArrayList<>();
for(OmKeyInfo k : omKeyInfoList) {
Review comment:
I think the correct way to fix is implement copyObject in
RepeatedOmKeyInfo properly right now it is returning same object. I believe
this might be exposed due to recent fixes, where we are adding
RepeatedOmKeyInfo to cache to avoid cleanup when override.
For example refer similar thing is observed in OMKeyInfo.
https://issues.apache.org/jira/browse/HDDS-2322
Some background when we get from Table#get API's if we get new object, then
there should be no race conditions or multiple threads modifiying same object
and we will not see this issue.
You can refer this where we introduced CopyObject to solve this kind of
issue.
https://issues.apache.org/jira/browse/HDDS-2344
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