DDO Variables

Table 79. DDO Variables in the [Environment] Section

DDO Variable	Description
SQR_DDO_JRE_CLASS	Classpath for DDO drivers and support files.
SQR_DDO_JRE_CLASSn	(Optional) Additional entries to the classpath.
SQR_DDO_JRE_PATH	Classpath information for the local JRE.
SQR_DDO_JRE_INIT_HEAP	Initial Java heap size.
SQR_DDO_JRE_MAX_HEAP	Maximum Java heap size.
SQR_DDO_JRE_NOCLASSGC	Disables class garbage collection.
SQR_DDO_JRE_NOJIT	Disables the JIT compiler (same as Java.compiler=NONE)
SQR_DDO_JRE_VERBOSE	Logs Java class loading and garbage collection events into the vm.out output file.

Each of these entries is automatically entered upon product installation (Windows only). You can specify additional classpath entries using up to nine SQR_DDO_JRE_CLASSn variables, where n is a number from 1-9. These additional variables are available to augment the normal 512-character line limit for entries in SQR.INI.