Microframe Corporation 3007 Series Uživatelská příručka stáhnout pdf (Strana 103)

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If you are a developer, you can modify your application to commit

transactions more frequently, so that fewer modified pages remain in

cache. The more common approach to this problem is to increase

Cache Allocation Size in the configuration options and then reload

the MicroKernel.

On Windows, the first time the database engine starts it initializes the

cache allocation size to 20% of physical memory and writes that

value to the Windows Registry. After that, whenever the engine

starts, it reads the value from the Registry and does not re-calculate

the setting. If you add or remove memory from the system, you must

modify the cache allocation size setting to take best advantage of the

new amount of memory available.

³ To increase Cache Allocation:

1 Start Pervasive PSQL Control Center (see Starting PCC on

Windows in Pervasive PSQL User's Guide).

2 Expand Engines and find the desired engine name.

3 Right-click on the engine name and select Properties.

4 Click Performance Tuning.

5 In the right hand frame, adjust the Cache Allocation Size by

entering the amount of memory to allocate for the cache. See

Cache Allocation Size in Advanced Operations Guide.

6 Restart the engines for the new setting to take effect.

101: Insufficient operating system memory is available

This indicates that there is not enough operating system memory

available to perform the requested operation. To fix this problem,

perform one or more of the following:

 Go to Performance tuning in the server configuration and

decrease the value for the Cache Allocation configuration

option.

 Add memory to the server.

102: Insufficient stack space is available

This indicates that the MicroKernel has run out of stack space. To

increase the amount of stack space available to your application, re-

link the application, setting the stack size to a higher value. The

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Microframe Corporation 3007 Series Uživatelská příručka Strana 103