xgrid is crashing on me when the input directory is too large.
Specifically if I try to execute:
xgrid -in foo -submit hello.sh
where foo is a directory that will be passed to the agent.
if foo contains a file of size 395MB then all this works.
if foo contains two or more files of size 395MB then the xgrid command
above crashes with an NSException from a malloc error.
My understanding is that all I/O needs to be less than 2GB. but it
seems like 800MB is indeed less than 2MB so I'm puzzled.
I'm new to this so I'm trying to understand what my limitations are.
here is a reproducible sample case where it crashes with three such
large files. it is crashing in the client's submit not in the
controller or the agent run time. (In this case the client, agent
and the controller are the same computer with 4GB.)
-rw-r--r-- 1 rooms staff 413937664 Feb 3 12:01 bigfella
-rw-r--r-- 1 rooms staff 413937664 Feb 3 12:02 bigfella0
-rw-r--r-- 1 rooms staff 413937664 Feb 3 12:02 bigfella1
-rwxr-xr-x@ 1 rooms staff 197 Feb 3 11:58 hello.sh
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