5.4. Monitoring Clients¶
By monitoring clients, you can check the status and health of servers that you use to access virtual machines and containers. To monitor clients, use the vstorage -c <cluster_name> top command, for example:
The command above shows detailed information about the stor1 cluster. The monitoring parameters for clients (highlighted in red) are explained in the table below:
Parameter |
Description |
|---|---|
CLID |
Client identifier (ID). |
LEASES |
Average number of files opened for reading/writing by the client and not yet closed, for the last 20 seconds. |
READ |
Average rate, in bytes per second, at which the client reads data, for the last 20 seconds. |
WRITE |
Average rate, in bytes per second, at which the client writes data, for the last 20 seconds. |
RD_OPS |
Average number of read operations per second the client made, for the last 20 seconds. |
WR_OPS |
Average number of write operations per second the client made, for the last 20 seconds. |
FSYNCS |
Average number of sync operations per second the client made, for the last 20 seconds. |
IOLAT |
Average/maximum time, in milliseconds, the client needed to complete a single IO operation, for the last 20 seconds. |
HOST |
Client hostname or IP address. |