HRegion Metrics

Reference information for HRegion Metrics

In addition to these base metrics, many aggregate metrics are available. If an entity type has parents defined, you can formulate all possible aggregate metrics using the formula base_metric_across_parents.

In addition, metrics for aggregate totals can be formed by adding the prefix total_ to the front of the metric name.

Use the type-ahead feature in the Cloudera Manager chart browser to find the exact aggregate metric name, in case the plural form does not end in "s".

For example, the following metric names may be valid for HRegion:

  • append_rate_across_clusters
  • total_append_rate_across_clusters

Some metrics, such as alerts_rate, apply to nearly every metric context. Others only apply to a certain service or role.

append_rate

Description
Append Operations
Unit
operations per second
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0), [CDH 6.0.0..CDH 7.0.0), [CDH 7.0.0..CDH 8.0.0)

compactions_completed_rate

Description
The number of completed compactions
Unit
operations per second
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0), [CDH 6.0.0..CDH 7.0.0), [CDH 7.0.0..CDH 8.0.0)

delete_rate

Description
Delete Operations
Unit
operations per second
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0), [CDH 6.0.0..CDH 7.0.0), [CDH 7.0.0..CDH 8.0.0)

get_rate

Description
Get Operations
Unit
operations per second
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0), [CDH 6.0.0..CDH 7.0.0), [CDH 7.0.0..CDH 8.0.0)

get_size_75th_percentile

Description
Get Size 75%
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

get_size_95th_percentile

Description
Get Size 95%
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

get_size_99th_percentile

Description
Get Size 99%
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

get_size_max

Description
Get Size Max
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

get_size_mean

Description
Get Size Mean
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

get_size_median

Description
Get Size Median
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

get_size_min

Description
Get Size Min
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

increment_rate

Description
Increment Operations
Unit
operations per second
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0), [CDH 6.0.0..CDH 7.0.0), [CDH 7.0.0..CDH 8.0.0)

memstore_size

Description
Size of the memstore
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0), [CDH 6.0.0..CDH 7.0.0), [CDH 7.0.0..CDH 8.0.0)

mutate_rate

Description
Mutate Operations
Unit
operations per second
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0), [CDH 6.0.0..CDH 7.0.0), [CDH 7.0.0..CDH 8.0.0)

num_bytes_compacted_rate

Description
Number of bytes compacted
Unit
bytes per second
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0), [CDH 6.0.0..CDH 7.0.0), [CDH 7.0.0..CDH 8.0.0)

num_files_compacted_rate

Description
Number of files compacted
Unit
files per second
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0), [CDH 6.0.0..CDH 7.0.0), [CDH 7.0.0..CDH 8.0.0)

scan_next_rate

Description
Scan Next Operations
Unit
operations per second
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_next_size_75th_percentile

Description
Scan Next Size 75%
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_next_size_95th_percentile

Description
Scan Next Size 95%
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_next_size_99th_percentile

Description
Scan Next Size 99%
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_next_size_max

Description
Scan Next Size Max
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_next_size_mean

Description
Scan Next Size Mean
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_next_size_median

Description
Scan Next Size Median
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_next_size_min

Description
Scan Next Size Min
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_size_75th_percentile

Description
Scan Size 75%
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_size_95th_percentile

Description
Scan Size 95%
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_size_99th_percentile

Description
Scan Size 99%
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_size_max

Description
Scan Size Max
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_size_mean

Description
Scan Size Mean
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_size_median

Description
Scan Size Median
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_size_min

Description
Scan Size Min
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_size_rate

Description
Scan Size Number of Operations
Unit
operations per second
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_time_75th_percentile

Description
Scan Time 75%
Unit
ms
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_time_95th_percentile

Description
Scan Time 95%
Unit
ms
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_time_99th_percentile

Description
Scan Time 99%
Unit
ms
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_time_max

Description
Scan Time Max
Unit
ms
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_time_mean

Description
Scan Time Mean
Unit
ms
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_time_median

Description
Scan Time Median
Unit
ms
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_time_min

Description
Scan Time Min
Unit
ms
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

scan_time_rate

Description
Scan Time Number of Operations
Unit
operations per second
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0)

storefiles

Description
Number of store files
Unit
files
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0), [CDH 6.0.0..CDH 7.0.0), [CDH 7.0.0..CDH 8.0.0)

storefiles_size

Description
For an HRegion, the total logical size of the store files that make up that HRegion. For a RegionServer, the total logical size of all the store files of all the HRegions on the RegionServer. This is a logical size because it does not take the replication factor into account. This size does not include space used for metadata such as .tmp, .regioninfo, or .tableinfo.
Unit
bytes
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0), [CDH 6.0.0..CDH 7.0.0), [CDH 7.0.0..CDH 8.0.0)

stores

Description
Number of stores
Unit
stores
Parents
cluster, hbase, hnamespace, htable, rack, regionserver
CDH Version
[CDH 5.0.0..CDH 6.0.0), [CDH 6.0.0..CDH 7.0.0), [CDH 7.0.0..CDH 8.0.0)