Difference between revisions of "SYSIOSTATS"
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| Helengeorge  (Talk | contribs)  (→Products) | Yvonnemilne  (Talk | contribs)  | ||
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| ==Example== | ==Example== | ||
| <code lang="recital"> | <code lang="recital"> | ||
| − | + | SELECT icachereads FROM sysiostats | |
| − | SELECT icachereads | + | |
| − | FROM sysiostats | + | |
| </code> | </code> | ||
Latest revision as of 16:49, 22 December 2009
Contents
Purpose
Facility for monitoring table and index file I/O operations
See Also
DATA TYPES, SELECT, SYSTEM TABLES
Description
System Tables are system defined read-only tables. You can query these tables using the SELECT statement.
| Column | Data Type | Width | Description | 
|---|---|---|---|
| TABLE_NAME | C | 30 | Table name | 
| READS | N | 10 | # of row reads for table | 
| UPDATES | N | 10 | # of row updates for table | 
| DELETES | N | 10 | # of row deletes for table | 
| RECALLS | N | 10 | # of row recalls for table | 
| INSERTS | N | 10 | # of row inserts for table | 
| DCACHEREADS | N | 10 | # of cache reads for table | 
| DCACHEWRITES | N | 10 | # of cache writes for table | 
| INDEXREADS | N | 10 | # of index reads for table | 
| INDEXWRITES | N | 10 | # of index writes for table | 
| ICACHEREADS | N | 10 | # of index cache reads for table | 
| ICACHEWRITES | N | 10 | # of index cache writes for table | 
Example
SELECT icachereads FROM sysiostats
Products
Recital, Recital Server
