search for: mcby

Displaying 2 results from an estimated 2 matches for "mcby".

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2012 Dec 24
2
parallelized version of "by" and "ave"
Dear R experts--- Has anyone written parallel versions of "by" (i.e., mcby) and "ave" (i.e. mcave) ? I did ask a question like this a year ago, and then the answer was no. for those who are googling the group for the answer to this question, in the meantime, the poor man's version of "by" is mclapply( split( ds, factor ), FUN ) I don't know...
2004 Sep 22
1
high nfs load after rsync finishes
Hi, We have a cluster of Poweredge 1750s and couple storage nodes (Powervault 220) running RH9 (2.4.20-31.9smp). We use rsync for daily backups. The daily rsync write size is only around 10MB and read size is ~300MB. The rsync finishes fast enough, but for around 4-5 hours after rsync finishes, the load on the