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https://issues.apache.org/jira/browse/GEODE-7001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen Nichols resolved GEODE-7001.
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Resolution: Fixed
Fix Version/s: 1.10.0
> Add a gauge to track region entry count
> ---------------------------------------
>
> Key: GEODE-7001
> URL: https://issues.apache.org/jira/browse/GEODE-7001
> Project: Geode
> Issue Type: New Feature
> Components: statistics
> Reporter: Dale Emery
> Priority: Major
> Labels: observability
> Fix For: 1.10.0
>
> Time Spent: 8h 20m
> Remaining Estimate: 0h
>
> Add a gauge to RegionPerfStats to track the entry count.
> As part of understanding system state and health, knowing what regions exist
> with how much data in them is an often asked question of a data store. The
> underlying metric is the CachePerfStats.entries value. This is only a piece
> of the information that customers need as it does not expose the region or
> region type to the users which is critical to understanding how things are
> setup.
> Scenario: REPLICATE region
> Given a cluster with the following servers:
> - server1
> - server2
> And the cluster has a "REPLICATE" region named X
> And the user has put 10 entries with distinct keys into region X
> Then server1's meter registry has the following meter
> - meter name: member.region.entries
> - tag: region_name = X
> - tag: <all the common tags>
> - tag: data_policy = REPLICATE
> - value: 10
> Then server2's meter registry has the following meter
> - name: member.region.entries
> - tag: region_name = X
> - tag: <all the common tags>
> - tag: data_policy = REPLICATE
> - value: 10
> Scenario: PARTITION region with no redundancy
> Given a cluster with the following servers:
> - server1
> - server2
> And the cluster has a "PARTITION" region named X
> And the user has put 10 entries with distinct keys into region X
> Then server1's meter registry has the following meter
> - meter name: member.region.entries
> - tag: region_name = X
> - tag: <all the common tags>
> - tag: data_policy = PARTITION
> - value: between 0 and 10
> Then server2's meter registry has the following meter
> - name: member.region.entries
> - tag: region_name = X
> - tag: <all the common tags>
> - tag: data_policy = PARTITION
> - value: between 0 and 10
> And the values of those meters add up to 10
> Scenario: PARTITIONED REDUNDANT
> Given a cluster with the following servers:
> - server1
> - server2
> - server3
> And the cluster has a "PARTITION_REDUNDANT" region named X
> And the redundancy level is set to 1 copy (2 total copies of each key should
> exist)
> And the user has put 10 entries with distinct keys into region X
> Then server1's meter registry has the following meter
> - meter name: member.region.entries
> - tag: region_name = X
> - tag: <all the common tags>
> - tag: data_policy = PARTITION
> - value: between 0 and 10
> Then server2's meter registry has the following meter
> - name: member.region.entries
> - tag: region_name = X
> - tag: <all the common tags>
> - tag: data_policy = PARTITION
> - value: between 0 and 10
> Then server3's meter registry has the following meter
> - name: member.region.entries
> - tag: region_name = X
> - tag: <all the common tags>
> - tag: data_policy = PARTITION
> - value: between 0 and 10
> And the values of those meters add up to 20
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