[jira] [Updated] (HBASE-15632) Undo the checking of lastStoreFlushTimeMap.isEmpty() introduced in HBASE-13145

["huaxiang sun (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-15632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

huaxiang sun updated HBASE-15632:
---------------------------------
    Attachment: HBASE-15632-v001.patch

> Undo the checking of lastStoreFlushTimeMap.isEmpty() introduced in HBASE-13145
> ------------------------------------------------------------------------------
>
>                 Key: HBASE-15632
>                 URL: https://issues.apache.org/jira/browse/HBASE-15632
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>    Affects Versions: 2.0.0
>            Reporter: huaxiang sun
>            Assignee: huaxiang sun
>            Priority: Minor
>         Attachments: HBASE-15632-v001.patch
>
>
> HBASE-13145 introduce the following check
> {code}
> diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
> index 215069c..8f73af5 100644
> --- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
> +++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
> @@ -1574,7 +1574,8 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver { //
>     */
>    @VisibleForTesting
>    public long getEarliestFlushTimeForAllStores() {
> -    return Collections.min(lastStoreFlushTimeMap.values());
> +    return lastStoreFlushTimeMap.isEmpty() ? Long.MAX_VALUE : Collections.min(lastStoreFlushTimeMap
> +        .values());
>    }
>  {code}
> I think the reason for the check is that table creation without family is allowed before HBASE-15456. With HBASE-15456, table creation without family is not allowed. We have one user claimed that they run into the same HRegionServer$PeriodicMemstoreFlusher exception, and the table was created with family. The log was not kept so could not find more info there.  By checking the code, it seems impossible. Can we undo this check so the real issue is not hidden in case there is one, [~Apache9]?



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