Helper Commands for Kubernetes

load | stat | help | version

warm up cache

$ kubectl exec <pod-name> -- load <filename>

display volume detailed status

$ kubectl exec <pod-name> -- stat
============ Volume ============
VolumeName:     vol1
MountPoint:     /mnt/fuse

=== Memory Usage ===
Write Buffer:   0 Bytes
Read Buffer:    0 Bytes
ReadAhead Buffer:       0 Bytes
MetaCache:      144.00 MB

=== Requests ===
Total Request:  28

COMMAND         Request Total(ms)       Avg(ms) Min(ms) Max(ms)
lookup:         0       0       0       0       0
getattr:        3       17      5       0       17
readdir:        4       33      8       2       18
create:         0       0       0       0       0
unlink:         0       0       0       0       0
mkdir:          0       0       0       0       0
rmdir:          0       0       0       0       0
open:           1       0       0       0       0

=== IO Statistics ===
Total Read:     1.03 MB
Read Cloud:     1.16 MB
Write IO:       0 Bytes

=== Network Statistics ===
dns:            0 ms
connect:        0 ms
ssl:            0 ms
pretransfer:    1 ms
starttransfer:  41 ms
total:          45 ms
INDEX    CPU%

=== Cache Statistics ===
Data Cache Hits:        -
ReadAhead Hits:         87%
MetaData Query:         26
Meta Cache Hits:        100%

help & versison

$ kubectl exec <pod-name> -- help
$ kubectl exec <pod-name> -- version