Barry Oglesby created GEODE-1210:
------------------------------------
Summary: MemberMBeanBridge DiskDirectoryStats are not monitored
for PartitionedRegions
Key: GEODE-1210
URL: https://issues.apache.org/jira/browse/GEODE-1210
Project: Geode
Issue Type: Bug
Components: jmx, management
Reporter: Barry Oglesby
This means that {{TotalDiskUsage}} is 0 for {{PartitionedRegions}}.
The member's {{TotalDiskUsage}} JMX attribute comes from
{{MemberMBeanBridge.getTotalDiskUsage}} which does:
{noformat}
public long getTotalDiskUsage() {
long diskSpaceUsage = regionMonitor.getDiskSpace();
return diskSpaceUsage;
}
{noformat}
The {{regionMonitor}} gets the {{diskSpace}} by monitoring the
{{DiskDirectoryStats}} of all its persistent {{Regions}}.
For each region, {{MemberMBeanBridge.addRegion}} adds the
{{DiskDirectoryStats}} of that region to its {{regionMonitor}}.
If the region is a {{PartitionedRegion}}, then its {{DiskRegion}} is null since
the {{DiskRegions}} are on the {{BucketRegions}} so no {{DiskDirectoryStats}}
are monitored.
This code in {{MemberMBeanBridge.addRegion}} falls through for
{{PartitionedRegions}} since {{dr}} is null:
{noformat}
DiskRegion dr = l.getDiskRegion();
if(dr != null){
for(DirectoryHolder dh:dr.getDirectories()){
addDirectoryStats(dh.getDiskDirectoryStats());
}
}
{noformat}
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