TABLE 3-1describes the fields in this page.

 

 

 

TABLE 3-1Scheduler and Bitpump Statistics

 

 

 

 

 

 

 

 

 

Active

 

 

 

Active

Streams

Number of active streams

Bandwidth

 

Collective network bandwidth of all active streams, in bytes/sec.

 

 

 

 

System

 

 

 

 

Disk

Bw

 

Bandwidth of each disk (without considering seek overhead).

Total

Bw

 

Total bandwidth of all data disks.

Number

of

disks

Number of data disks.

Number

of

parity disks

Number of parity disks.

Number

of

zones

Number of zones per disk. A zone is a region of a disk used for the

 

 

 

 

storage of streams

Period

Used

A fixed interval used by VOD scheduler for MFS operations.

Buffer

Size

Size of each buffer.

Buffer

Maxuse

Maximum number of buffers used at one time.

Buffer

Unavail

Number of times buffers not available.

Buffer

InUse

A snapshot of the number of busy buffers.

Scheduler

 

Time period cycles completed.

 

 

 

 

Online

 

 

 

 

Total

Bw

 

Total usable bandwidth for online loading.

Max

Transfer

Overall maximum transfer size of online I/O.

Avail

Bw

 

For a given instant, currently available bandwidth per time unit (see

 

 

 

 

bitPump:bitPumpTimePeriod).

Avail

Max

 

Maximum, currently available transfer size for online I/O.

Num

Started

Number of online loading requests started.

Num

Finished

Number of online loading requests finished.

Kmem

Buf

in use

Number of buffers in use.

Vod

Max Buffers

Maximum number of buffers available.

Vod

Buffers in use

Number of buffers in use.

 

 

 

 

 

Chapter 3 Monitoring the Server 3-21

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Image 53
Sun Microsystems 2.1 manual 1describes the fields in this