Seagate ST43401N/ND Informações Técnicas descarregar pdf (Página 35)

Migrating to Sybase Adaptive Server Enterprise 11.5 3-5

Adaptive Server Enterprise 11.5 Physical Memory Utilization

Physical Memory Utilization

List all the major processes running on a server machine and use the

formulas given here to calculate their memory requirements. Add

the individual sizes together for total memory requirements.

Use this table as a guide:

Table 3-6: Tape layout map

Physical

Device Name

Make and

Model

Firmware

Revision

Months in

Service

Controller

Number

Capacity

(Mb_)

Transfer

Rate

(Kb/sec)

/dev/rmt/0 Sun Sparc 10 2.15 9 2 2000 500

/dev/rmt/1 Sun Sparc 20 1.00 12 2 2900 500

Table 3-7: Server memory map

Name Runtime Memory Usage Calculation

Operating System OS-speciﬁc

Networking Software OS-speciﬁc

SQL Server kernel only

SQL Server total memory + additional netmem + extent i/o

buffers (conﬁguration parameters)

Backup Server (Local) binary + (110Kb * number of stripes)

Backup Server (Remote) binary + (54Kb * number of stripes)

sybmultbuf binary only (attaches to BS shared memory)

Replication Server binary + 7Mb + (500Kb * (number of DSI connections

+ number of LTM connections)

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 171 172

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Seagate ST43401N/ND Informações Técnicas Página 35