MPW HILIMIT: Difference between revisions
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'''MPW_HILIMIT''' is a [[System Parameters|system parameter]] that sets an upper limit for the modified-page list. When the list accumulates the number of pages specified by this limit, writing of the list begins. The pages that are written are then transferred to the free-page list. | '''MPW_HILIMIT''' is a [[System Parameters|system parameter]] that sets an upper limit for the modified-page list. When the list accumulates the number of pages specified by this limit, writing of the list begins. The pages that are written are then transferred to the free-page list. | ||
If MPW_HILIMIT is too low, excessive page faulting can occur from the page file. If it is too high, too many physical pages can be consumed by the modified-page list. If you increase MPW_HILIMIT, you might also need to increase MPW_WAITLIMIT. Note that if MPW_WAITLIMIT is less than MPW_HILIMIT, a system deadlock occurs. The values for the two parameters are usually equal. | If MPW_HILIMIT is too low, excessive page faulting can occur from the page file. If it is too high, too many physical pages can be consumed by the modified-page list. If you increase MPW_HILIMIT, you might also need to increase [[MPW_WAITLIMIT]]. Note that if [[MPW_WAITLIMIT]] is less than MPW_HILIMIT, a system deadlock occurs. The values for the two parameters are usually equal. | ||
MPW_HILIMIT has the AUTOGEN and GEN attributes. | MPW_HILIMIT has the AUTOGEN and GEN attributes. | ||
[[Category:System Parameters]] | [[Category:System Parameters]] | ||
Latest revision as of 11:21, 9 April 2019
MPW_HILIMIT is a system parameter that sets an upper limit for the modified-page list. When the list accumulates the number of pages specified by this limit, writing of the list begins. The pages that are written are then transferred to the free-page list.
If MPW_HILIMIT is too low, excessive page faulting can occur from the page file. If it is too high, too many physical pages can be consumed by the modified-page list. If you increase MPW_HILIMIT, you might also need to increase MPW_WAITLIMIT. Note that if MPW_WAITLIMIT is less than MPW_HILIMIT, a system deadlock occurs. The values for the two parameters are usually equal.
MPW_HILIMIT has the AUTOGEN and GEN attributes.