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IIS

The Technical Specifications below provide details on metrics collected by the IIS application, how those metrics are evaluated by Longitude, and the available preconfigured reports. For additional details on the Longitude IIS application, see the IIS Application User Guide or contact Heroix Support.

Events

Longitude Events are generated when collected performance and availability metrics are evaluated by Longitude’s rule engine and a potential problem is detected.

The rules use best-practice thresholds, displayed below, which can be customized as needed.

Reports

Longitude reports display performance and availability metrics over time. Summary reports display average metrics across multiple devices, while detail reports drill down and present a more granular view of metrics for a selected device.

 

AspRequestsAndErrors
Metrics Events
Requests Not Found
Requests Queued
Requests Rejected
Requests Timed Out
Requests Total
Requests/sec
Errors During Script Runtime
Errors During ASP Preprocessor
Errors From Script Compilers

 
HighAspRejectedRequests: MinorAspRejection Rate > 0.1
WarningAspRejection Rate > 0.05
UnusualAspRequests: Normal Asp Req Pct Change > 0.25
Reports
Summary Asp Request Rate across multiple servers
Detail Detailed per server Asp Request Rate

 
Cache
Metrics Events
Current Files Cached
File Cache Hits
File Cache Misses
File Cache Flushes
File Cache Memory Usage

 
Low Cache Hits: Cache Hits % < 80%
Cache Flush Rate Max: Cache Flush Rate > 0.20
Reports
Summary Cache Hits % across multiple servers
Detail Detailed per server Cache Hits %

 
FtpThroughput
Metrics Events
Bytes Sent Rate
Bytes Received Rate
Bytes Total Rate
Files Sent
Files Received

 
High Ftp Data Transfer: FtpUsualRateChange > 0.5%
Reports
Summary FTP Throughput across multiple servers
Detail Detailed per server FTP Throughput

 
FtpUserandConnection
Metrics Reports
Current Anonymous Users
Current NonAnonymous Users
Anonymous Users
Maximum Anonymous Users
Current Connections
Maximum Connections
Connection Attempts
Logon Attempts
Known Users

 
Summary FTP Connections across multiple servers
Detail Detailed per server FTP Connections
Session
Metrics Events
Sessions Current

 
Unusual Session Count: Normal Session Pct Change > 0.25%
WebRequestsAndErrors
Metrics Events
Method Request
Total not found errors

 
High Not Found Errors: Minor Error Rate > 0.10%
Warning Error Rate > 0.05%
Unusual Requests: Normal Request Pct Change > 0.5%
WebThroughput
Metrics Events
Bytes Sent Rate
Bytes Received Rate
Bytes Total Rate
Files Sent
Files Sent Rate
Files Received
Files Received Rate

 
High Data Transfer: Web Usual Rate Change > 0.5%
Reports
Summary Web Throughput across multiple servers
Detail Detailed per server Web Throughput

 
WebUserandConnection
Metrics Events
Current Anonymous Users
Anonymous Users
Maximum Anonymous Users
Current Connections
Maximum Connections
Connection Attempts
Logon Attempts
Known Users

 
Too Many Anonymous User: Anonymous User % > 0.75%
Reports
Summary Web Connections across multiple servers
Detail Detailed per server Web Connections

 
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