详解sybase配置参数

sybase配置参数是学习sybase过程中必须要掌握的知识，下面就对sybase配置参数进行分类介绍，如果您对sybase配置参数 方面感兴趣的话，不妨一看。

sp_configure ‘max online engines’,4
go
–配置启动cpu个数
sp_configure ‘number of engines at startup’,4
go
–配置最大内存数
sp_configure ‘max memory’ ,2097151
go
–分配最大存储过程缓存
sp_configure ‘procedure cache’,102400
go
–配置高速缓存
sp_cacheconfig  ‘default data cache’ , ‘700M’
go
–缺省缓存分配页大小
sp_poolconfig ‘default data cache’,’200M’,’16K’
go
–网络包大小
sp_configure ‘max network packet size’,1024
go

–最大连接数
sp_configure ‘number of user connections’,500
go
–最大打开对象
sp_configure  ‘number of open object’,9000
go
–最大索引
sp_configure  ‘number of open index’,10000
go
–最大锁数
sp_configure  ‘number of locks’,100000
go

–增加网络内存
–sp_configure  ‘additional network memory’,1024
go

–锁内存
sp_configure  ‘lock shared memory’,512
go

–优化tempdb
select dbid, name,segmap
from sysusages,  sysdevices
where sysdevices.low  <= sysusages.size +vstart
and sysdevices.high >=sysusages.size+vstart -1
and dbid =2
and (status=2 or status=3)
go
use tempdb
go
sp_dropsegment  ‘default’,tempdb,master
go
sp_dropsegment  ‘logsegment’,tempdb,master
go

select dbid, name,segmap
from sysusages,  sysdevices
where sysdevices.low  <= sysusages.size +vstart
and sysdevices.high >=sysusages.size+vstart -1
and dbid =2
and (status=2 or status=3)
go

sp_cacheconfig tempdb_cache, ‘100M’
go
sp_poolconfig tempdb_cache,’50M’,’16K’
go
sp_bindcache ‘tempdb_cache’,tempdb
go
sp_helpcache tempdb_cache

select name,id from syscharsets

dbcc traceon(3604)
dbcc memusage

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