Latches shows latch statistics information for all latches that have ever been used.
To open the Latches page
Click Activity | Latches.
Latch Activity Grid
Shows absolute get, miss, and sleep rates for each latch in the instance.
Column | Description |
---|---|
Latch name |
The name, or a brief description of, the latch. |
Latches |
The number of instances of this latch that have ever been used. |
Gets/s |
The rate at which the latch is obtained. |
% Gets |
100 * (latch gets for a particular latch) / (total latch gets for all latches) This value is NOT calculated as a percentage of total gets for a particular latch. |
Sleeps/s |
The rate at which sleeps occurred when a latch was attempted. |
% Sleeps |
100 * (latch sleeps for a particular latch) / (total latch sleeps for all latches) This value is NOT calculated as a percentage of total sleeps for a particular latch. |
Sleep rate |
( Sleeps * 100 ) / Gets |
Misses/s |
The rate at which the first try to obtain the latch failed. |
% Misses |
100 * (latch misses for a particular latch) / (total latch misses for all latches) This value is NOT calculated as a percentage of total misses for a particular latch. |
Miss rate |
( Misses * 100 ) / Gets |
Latch Category |
The category this latch belongs to. |
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