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60004
2014 Mar 15
0
allocation error and high CPU usage from kworker and migration: memory fragmentation?
...ormance?
- If this is a memory fragmentation issue, is there a way to get
lapply to allocate not just pointers to the data.tables that will be
allocated, but to (over)allocate the data.tables themselves. The final
list should be about 1000 data.tables long with each data.table no
larger than 6000x4.
I've used data.table in a similar strategy to build lists like this
before without issue from the same data. I'm not sure what is different
about this code compared to my other code. Perhaps the merging?
The gist of the R code is pretty basic (modified for simplicity). The
action is a...