EngineStatistics (Teiid 9.0.0.Final API)

All Superinterfaces:

AdminObject, DomainAware, Serializable

All Known Implementing Classes:

EngineStatisticsMetadata
```
public interface EngineStatistics
extends AdminObject, DomainAware
```

Field Summary
- Fields inherited from interface org.teiid.adminapi.AdminObject
  DELIMITER, DELIMITER_CHAR, ESCAPED_DELIMITER, ESCAPED_WILDCARD, WILDCARD

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`int`	`getActivePlanCount()` Current active plan count
`long`	`getCacheReadCount()` Total number of cache reads, includes disk and soft-cache references
`long`	`getCacheWriteCount()` Total number of cache writes, includes disk and soft-cache references
`long`	`getDiskReadCount()` Number reads from the disk used by buffer manager that cache overflowed.
`long`	`getDiskSpaceUsedInMB()` Disk space used by buffer manager to save overflowed memory contents
`long`	`getDiskWriteCount()` Number of writes to disk by buffer manager to save the overflow from memory
`int`	`getMaxWaitPlanWaterMark()` High water mark for the waiting plans
`long`	`getMemoryUsedByActivePlansInKB()` Total memory used by buffer manager for active plans
`int`	`getSessionCount()` Active Number of Sessions in the engine
`long`	`getTotalMemoryUsedInKB()` Total amount memory used by buffer manager for active queries and cached queries
`int`	`getWaitPlanCount()` Current number of waiting plans in the queue

Methods inherited from interface org.teiid.adminapi.AdminObject
getName, getProperties, getPropertyValue

Methods inherited from interface org.teiid.adminapi.DomainAware
getHostName, getServerGroup, getServerName

- Method Detail
  - getSessionCount
```
int getSessionCount()
```
    Active Number of Sessions in the engine
    
    Returns:
  - getTotalMemoryUsedInKB
```
long getTotalMemoryUsedInKB()
```
    Total amount memory used by buffer manager for active queries and cached queries
    
    Returns:
  - getMemoryUsedByActivePlansInKB
```
long getMemoryUsedByActivePlansInKB()
```
    Total memory used by buffer manager for active plans
    
    Returns:
  - getDiskWriteCount
```
long getDiskWriteCount()
```
    Number of writes to disk by buffer manager to save the overflow from memory
    
    Returns:
  - getDiskReadCount
```
long getDiskReadCount()
```
    Number reads from the disk used by buffer manager that cache overflowed.
    
    Returns:
  - getCacheReadCount
```
long getCacheReadCount()
```
    Total number of cache reads, includes disk and soft-cache references
    
    Returns:
  - getCacheWriteCount
```
long getCacheWriteCount()
```
    Total number of cache writes, includes disk and soft-cache references
    
    Returns:
  - getDiskSpaceUsedInMB
```
long getDiskSpaceUsedInMB()
```
    Disk space used by buffer manager to save overflowed memory contents
    
    Returns:
  - getActivePlanCount
```
int getActivePlanCount()
```
    Current active plan count
    
    Returns:
  - getWaitPlanCount
```
int getWaitPlanCount()
```
    Current number of waiting plans in the queue
    
    Returns:
  - getMaxWaitPlanWaterMark
```
int getMaxWaitPlanWaterMark()
```
    High water mark for the waiting plans
    
    Returns:

Interface EngineStatistics

Field Summary

Fields inherited from interface org.teiid.adminapi.AdminObject

Method Summary

Methods inherited from interface org.teiid.adminapi.AdminObject

Methods inherited from interface org.teiid.adminapi.DomainAware

Method Detail

getSessionCount

getTotalMemoryUsedInKB

getMemoryUsedByActivePlansInKB

getDiskWriteCount

getDiskReadCount

getCacheReadCount

getCacheWriteCount

getDiskSpaceUsedInMB

getActivePlanCount

getWaitPlanCount

getMaxWaitPlanWaterMark