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Posted to issues@hive.apache.org by "Alice Fan (JIRA)" <ji...@apache.org> on 2018/05/31 23:19:00 UTC

[jira] [Updated] (HIVE-19203) Thread-Safety Issue in HiveMetaStore

     [ https://issues.apache.org/jira/browse/HIVE-19203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alice Fan updated HIVE-19203:
-----------------------------
    Attachment: HIVE-19203.1.patch
        Status: Patch Available  (was: Open)

Changed nextSerialNum to AtomicInteger.

> Thread-Safety Issue in HiveMetaStore
> ------------------------------------
>
>                 Key: HIVE-19203
>                 URL: https://issues.apache.org/jira/browse/HIVE-19203
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 3.0.0
>            Reporter: BELUGA BEHR
>            Assignee: Alice Fan
>            Priority: Minor
>         Attachments: HIVE-19203.1.patch
>
>
> [https://github.com/apache/hive/blob/550d1e1196b7c801c572092db974a459aac6c249/standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStore.java#L345-L351]
> {code:java}
> private static int nextSerialNum = 0;
> private static ThreadLocal<Integer> threadLocalId = new ThreadLocal<Integer>() {
>   @Override
>   protected Integer initialValue() {
>     return nextSerialNum++;
>   }
> };{code}
>  
> {{nextSerialNum}} needs to be an atomic value.



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