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AIOËù°üº¬µÄ²ÎÊý:
NAIOPROC:number of processes-which may be simultaneously doing AID
ÿÿÿ¶¨ÒåÒì²½I/O(AIO)½ø³Ì±íprocess tableµÄ´óС,¼È¶¨ÒåϵͳÄܹ»Í¬Ê±Ö´ÐеÄÒì²½I/O½ø³ÌµÄ×î´óÊýÄ¿.NAIPROCµÄȡֵ·¶Î§ÊÇ1¡«16,ȱʡֵÊÇ5.
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CONFIG:aio memlock - AIO process table overflow(NAIOPROC=number exceeded)
Õâ±íÃ÷ϵͳAIO½ø³Ì±íÒç³ö,ÐèÒª½«NAIOPROC ÖµÊʵ±÷´?
NAIOREQ:maximum number of pending AIO reguests
ÿÿÿÿ¶¨ÒåÒì²½I/O1ÇëÇó±íAIO request tableµÄ´óС,¼È¶¨ÒåϵͳÒì²½I/OÇëÇóµÄ×î´óÖµ.NAIOREQµÄȡֵ·¶Î§ÊÇ5¡«200,ȱʡÉèÖÃÖµÊÇ120.
Èç¹ûϵͳÌáʾ:
CONFIG:aio breakup-AIO request table overflow(NAIOREQ=number exceeded)
Õâ±íÃ÷ϵͳAIOÇëÇó±íÒç³ö,ÐèÒª½«NAIOREQÖµÊʵ±µ÷´ó.
NAIOBUF:number of AIO buffer(should be the same as NAIOREQ)
ÿÿÿÿ¶¨ÒåAIO»º´æÇø±íµÄ´óС,¼È¶¨ÒåϵͳÒì²½I/O»º´æÇøµÄ×î´óÖµ.NAIOBUFÖµ±ØÐëÓëNAIOREQµÄ´óСһÖÂ.
Èç¹ûϵͳÌáʾ:
CONFIG:aio breakup-AIO buffer table overflow(NAIOBUF=number exceeded)
Õâ±íÃ÷ϵͳAIO»º´æÇø±íÒç³ö,ÐèÒª½«NAIOBUFÖµÊʵ±µ÷´ó.
NAIOHBUF:number of AIO hash gueues(internal)
¶¨ÒåAIO»ìÁжÓÁеÄÊýÁ¿.NAIOHBUFµÄȡֵ·¶Î§ÊÇ1¡«50,ȱʡֵÊÇ25.
NAIOREQPP:maximum number of AIO reguests that a single proless can have pending
ÿÿÿÿ¶¨ÒåÒ»¸öµ¥¸ö½ø³Ì¿ÉÒÔÓµÓеÄδÍê³ÉµÄÒì²½I/OÇëÇóµÄ×î´óÊýÁ¿.NAIOREQPPµÄȡֵ·¶Î§ÊÇ30¡«200,ȱʡÉèÖÃÖµÊÇ120,Õâ¸öȱʡֵµÄ´óСÒâζ×ÅÒ»°ãÇé¿öϵ¥¸ö½ø³Ì¿ÉÄÜÄܹ»ÏûºÄµôËùÓеÄÒì²½I/O×ÊÔ´.
NAIOLOCKTBL:number of entries in the internal kernel table for AIO lock permissions
ÿÿÿÿ(¶¨ÒåÓÃÓÚÒì²½I/O¼ÓËøÐí¿ÉµÄÄÚ²¿ºËÐıíÖеıíÏîÊý.NAIOLOCKTBLµÄȡֵ·¶Î§ÊÇ5¡«20,ȱʡֵÊÇ10.Èç¹ûÎļþ/usr/lib/aiomemlockÖØµÄ±íÏîÊýÄ¿±È½Ï¶à,¾ÍÐèÒª½«NAIOLOCKTBLÖµÊʵ±Ôö´ó.
Èç¹ûϵͳÌáʾ:
CONFIG:aio setlockauth - AIO buffer table overflow(NAIOLOCKTBL=number exceeded)
Õâ±íÃ÷ϵͳAIO¼ÓËø±íÒç³ö,ÐèÒª½«NAIOLOCKTBL ÖµÊʵ±µ÷´ó.

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