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This is documentation for Caché & Ensemble.

For information on converting to InterSystems IRIS, see the InterSystems IRIS Adoption Guide and the InterSystems IRIS In-Place Conversion Guide, both available on the WRC Distributions page (login required).

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Size of an InterJob Communication buffer.


[config]    ijcbuff=n


The value n is the number of bytes allocated for each InterJob Communication (IJC) buffer. For details, see the “Interprocess Communication” chapter in the Caché I/O Device Guide. Also see ijcnum.



Range of Values

512–8192 bytes. InterSystems recommends you use the default of 512 bytes.

Management Portal

On the page System Administration > Configuration > Additional Settings > Advanced Memory, in the ijcbuff row, select Edit. Enter a number of bytes.