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WSupported on Windows
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USupported on Unix
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NSupported in Synergy .NET
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The IU_SORTTHREADS environment variable specifies the number of sort threads.
Value
The number of sort threads, in the range 0 – 8. The default is the number of CPUs, up to 8, or the number of keys.
Discussion
IU_SORTTHREADS is tuned for SSDs. If you’re using a single HDD or a non-SSD temporary file device, you might see better performance by specifying a number lower than the default.
Setting location
The environment.
Used by
isutl utility, fconvert utility
See also
IU_FEEDERTHREADS for more information about how isutl uses multi-threading.
Examples
On Unix,
IU_SORTTHREADS=4 ;export IU_SORTTHREADS
