Apache SOLR

Table 1-13 Supported Configuration Metrics for Search Engine Instance

Group Name Unit Description

General Configuration

Hostname

NA

Hostname of the instance

General Configuration

Port Number

NA

Port number of the instance

Role Statistics

Role

NA

Role assigned to the instance

Table 1-14 Supported Configuration Metrics for Hosted Target

Metric Group Name Unit Description
Resource Allocation Total CPUs N/A Total number of CPUs allocated or available to the entity
Resource Allocation Total Memory GB Total amount of usable Physical RAM allocated or available to the entity

Table 1-15 Supported Status and Performance Metrics for Apache SOLR

Metric Group Category Name Unit Description

Solr Core Indexing Statistics

 

Core Name

NA

Name of the solr core

Solr Core Indexing Statistics

Capacity

Store Size

GB

Size of the lucene index store in gigabytes (GB)

Solr Core Indexing Statistics

Load

Documents Indexed

NA

Number of documents indexed

Solr Core Indexing Statistics

Load

Total Documents

NA

Total number of documents in the index including deleted documents

Solr Core Indexing Statistics

Load

Deleted Documents

NA

Number of documents marked deleted in the index

Solr Core Indexing Statistics

Load

Total Segments

NA

Number of segments in the index

Solr Core Indexing Statistics

Load

Indexing Rate

per sec

Number of documents indexed per second

Solr Core Indexing Statistics

Load

Indexing Rate

MB/sec

Rate of in megabytes per seccond

Solr Core Search Statistics

 

Core Name

NA

Name of the solr core

Solr Core Search Statistics

Load

Search Request Rate

reqs/sec

Number of search requests per second

Solr Core Search Statistics

Error

Search Error Rate

reqs/sec

Number of search errors per second

Solr Core Search Statistics

Response

Search Median Request Time

ms

Median of all search request processing time in milliseconds

Solr Core Search Statistics

Response

Search Average Request Time

ms

Average of all search request processing time in milliseconds

Solr Core Search Statistics

Response

Search Percentile Request Time (75th Percentile)

ms

75th percentile of all search request processing time in milliseconds

Solr Core Search Statistics

Response

Search Percentile Request Time (95th Percentile)

ms

95th percentile of all search request processing time in milliseconds

Solr Core Search Statistics

Response

Percentile Request Time (99th Percentile)

ms

99th percentile of all search request processing time in milliseconds

Solr Core Search Statistics

Response

Search Percentile Request Time (999th Percentile)

ms

999th percentile of all search request processing in milliseconds

Solr Core Request Handler Statistics

 

Core Name

NA

Name of the solr core

Solr Core Request Handler Statistics

 

Handler Name

NA

Name of the solr request handler

Solr Core Request Handler Statistics

Load

Handler Request Rate

reqs/sec

Number of requests per second

Solr Core Request Handler Statistics

Error

Handler Error Rate

reqs/sec

Number of errors per second

Solr Core Request Handler Statistics

Response

Handler Median Request Time

ms

Median of all request processing time in milliseconds

Solr Core Request Handler Statistics

Response

Handler Average Request Time

ms

Average of all request processing time in milliseconds

Solr Core Request Handler Statistics

Response

Handler Percentile Request Time (75th Percentile)

ms

75th percentile of all request processing time in milliseconds

Solr Core Request Handler Statistics

Response

Handler Percentile Request Time (95th Percentile)

ms

95th percentile of all request processing time in milliseconds

Solr Core Request Handler Statistics

Response

Handler Percentile Request Time (99th Percentile)

ms

99th percentile of all request processing time in milliseconds

Solr Core Request Handler Statistics

Response

Handler Percentile Request Time (999th Percentile)

ms

999th percentile of all request processing time in milliseconds

JVM Statistics

Load

Total Threads

NA

Number of threads currently executing

JVM Statistics

Load

Peak Threads

NA

Number of peak threads since the start of JVM

JVM Statistics

Load

Daemon Threads

NA

Number of daemon threads

JVM Statistics

Capacity

Used Heap Size

GB

Amount of heap used in gigabytes (GB)

JVM Statistics

Capacity

Free Heap Size

GB

Amount of heap free in gigabytes (GB)

JVM Statistics

Capacity

Total Heap Size

GB

Total size of the heap in gigabytes (GB)

JVM Statistics

Capacity

Max Heap Size

GB

Maximum size of the heap in gigabytes (GB)

JVM Statistics

Utilization

Heap Utilization

%

Percentage of heap used by the instance

Core Statistics

Load

Active Cores

NA

Number of active cores in the solr instance

Solr Core Cache Statistics

 

Core Name

NA

Name of the solr core

Solr Core Cache Statistics

 

Cache Name

NA

Name of the cache

Solr Core Cache Statistics

Load

Hit Rate

ops/sec

Number of cache hits per second

Solr Core Cache Statistics

Load

Miss Rate

ops/sec

Number of cache misses per second

Solr Core Cache Statistics

Load

Lookup Rate

ops/sec

Number of cache lookups per second

Solr Core Cache Statistics

Load

Eviction Rate

ops/sec

Number of cache evictions per second

Solr Core Cache Statistics

Utilization

Hit Ratio

%

The cache hit ratio is the ratio of the number of cache hits to the number of lookups expressed as percentage

Solr Core Cache Statistics

Capacity

Cache Size

MB

Cache size in megabytes (MB)

Solr Core Update Handler Statistics

 

Core Name

NA

Name of the solr core

Solr Core Update Handler Statistics

Load

Add Rate

ops/sec

Number of adds per second

Solr Core Update Handler Statistics

Load

Deletes By Id Rate

ops/sec

Number deletes by id operations per second

Solr Core Update Handler Statistics

Load

Deletes By Query Rate

ops/sec

Number of deletes by query per second

Solr Core Update Handler Statistics

Error

Update Error Rate

ops/sec

Number of error messages received by Update Handler per second

Solr Core Update Handler Statistics

Load

Expunge Deletes Rate

ops/sec

Number of commit commands issued with expunge deletes per second

Solr Core Update Handler Statistics

Load

Pending Documents

NA

Number of documents which are pending commit

Solr Core Update Handler Statistics

Load

Optimizes Rate

ops/sec

Number of explicit optimize commands issued per second

Solr Core Update Handler Statistics

Load

Rollbacks Rate

ops/sec

Number of rollbacks executed per second

Solr Core Update Handler Statistics

Load

Auto Commits Rate

ops/sec

Total number of auto-commits executed per second

Solr Core Update Handler Statistics

Load

Soft Auto Commits Rate

ops/sec

Number of soft commits executed per second

Solr Core Update Handler Statistics

Response

Auto Commits Max Time

ms

Maximum time between two autocommits execution in milliseconds

Solr Core Update Handler Statistics

Response

Soft Auto Commits Max Time

ms

Maximum time between two soft autocommits execution in milliseconds

Solr Core Update Handler Statistics

Load

Hard Commits Rate

ops/sec

Number of hard commits executed per second

Solr Instance Update Handler Statistics

Load

Add Rate

ops/sec

Number of adds per second

Solr Instance Update Handler Statistics

Load

Deletes By Id Rate

ops/sec

Number deletes by id operations per second

Solr Instance Update Handler Statistics

Load

Deletes By Query Rate

ops/sec

Number of deletes by query per second

Solr Instance Update Handler Statistics

Error

Update Error Rate

ops/sec

Number of error messages received by Update Handler per second

Solr Instance Update Handler Statistics

Load

Expunge Deletes Rate

ops/sec

Number of commit commands issued with expunge deletes per second

Solr Instance Update Handler Statistics

Load

Pending Documents

NA

Number of documents which are pending commit

Solr Instance Update Handler Statistics

Load

Optimizes Rate

ops/sec

Number of explicit optimize commands issued per second

Solr Instance Update Handler Statistics

Load

Rollbacks Rate

ops/sec

Number of rollbacks executed per second

Solr Instance Update Handler Statistics

Load

Auto Commits Rate

ops/sec

Total number of auto-commits executed per second

Solr Instance Update Handler Statistics

Load

Soft Auto Commits Rate

ops/sec

Number of soft commits executed per second

Solr Instance Update Handler Statistics

Load

Hard Commits Rate

ops/sec

Number of hard commits executed per second

Solr Core Transaction Statistics

 

Core Name

NA

Name of the solr core

Solr Core Transaction Statistics

Load

Log Rate

ops/sec

Number of transaction log entries generated per second

Solr Core Transaction Statistics

Capacity

Log Size

MB

Transaction log size in megabytes (MB)

Solr Instance Request Handler Statistics

 

Handler Name

NA

Name of the solr request handler

Solr Instance Request Handler Statistics

Load

Handler Request Rate

reqs/sec

Number of requests per second

Solr Instance Request Handler Statistics

Error

Handler Error Rate

reqs/sec

Number of errors per second

Solr Instance Request Handler Statistics

Response

Handler Average Request Time

ms

Average of all search request processing time in milliseconds

Table 1-16 Supported Status and Performance Metrics for Search Engine Instance

Metric Group Category Name Unit Description

Instance Indexing Statistics

Capacity

Store Size

GB

Size of the datastore in gigabytes (GB)

Instance Indexing Statistics

Load

Documents Indexed

NA

Number of documents indexed

Instance Indexing Statistics

Load

Total Documents

NA

Total number of documents indexed including the document marked deleted

Instance Indexing Statistics

Load

Deleted Documents

NA

Number of documents marked deleted

Instance Indexing Statistics

Load

Total Segments

NA

Number of segments in the datastore

Instance Indexing Statistics

Load

Indexing Rate

ops/sec

Number of documents indexed per second

Instance Indexing Statistics

Load

Indexing Rate

MB/sec

Rate of indexing in megabytes per second

Instance Search Statistics

Load

Search Request Rate

reqs/sec

Number of search requests per second

Instance Search Statistics

Error

Search Error Rate

reqs/sec

Number of search request errors per second

Instance Search Statistics

Response

Search Average Request Time

ms

Average of all search request processing time in milliseconds

Instance Cache Statistics

 

Cache Name

NA

Name of the cache

Instance Cache Statistics

Load

Hit Rate

ops/sec

Number of cache hits per second

Instance Cache Statistics

Load

Miss Rate

ops/sec

Number of cache misses per second

Instance Cache Statistics

Load

Lookup Rate

ops/sec

Number of cache lookups per second

Instance Cache Statistics

Load

Eviction Rate

ops/sec

Number of cache evictions per second

Instance Cache Statistics

Utilization

Hit Ratio

%

The cache hit ratio is the ratio of the number of cache hits to the number of lookups expressed as percentage

Instance Cache Statistics

Capacity

Cache Size

MB

Cache size in megabytes (MB)

Instance Transaction Statistics

Load

Log Rate

ops/sec

Number of transaction log entries generated per second

Instance Transaction Statistics

Capacity

Log Size

MB

Transaction log size in megabytes (MB)

Table 1-17 Supported Status and Performance Metrics for Hosted Target

Metric Group Category Name Unit Description
CPU Utilization CPU Usage sec All CPUs usage during the interval
CPU N/A CPU Utilization % Percentage of CPU that was utilized
CPU N/A Interval sec Interval of metric collection
Memory Load Memory Usage GB Memory used in GB
Memory Utilization Memory Utilization % Percentage of memory that is utilized
Memory N/A Interval sec Interval of metric collection

Table 1-18 Status and Performance Metrics for Generic Target

Metric Group Category Name Unit Description
Response Availability Status N/A Status of the target