I seem to be hitting a known Lustre client issue, as I found several bug 
reports similar to:
https://jira.whamcloud.com/browse/LU-11693. I'm running lustre-client-2.10.5.
Running the proposed temporary solution on test clients lctl set_param 
ldlm.namespaces.*.lru_size=10000 appears to fix this issue. 
I'm not really sure the significance of this command. Is it safe to run on 
clients while jobs are running? I'd like to run this now, and then install a 
patched client during our next system time. Thanks. -Matt
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