Registers a finalizer to a cluster such that the cluster will be stopped when garbage collected

autoStopCluster(cl, debug = FALSE)

Arguments

cl

A cluster object created by for instance makeClusterPSOCK() or parallel::makeCluster().

debug

If TRUE, then debug messages are produced when the cluster is garbage collected.

Value

The cluster object with attribute gcMe set.

See also

The cluster is stopped using stopCluster(cl).

Examples

cl <- makeClusterPSOCK(2, dryrun = TRUE)
#> ----------------------------------------------------------------------
#> Manually, start worker #1 on local machine ‘localhost’ with:
#> 
#>   '/home/hb/software/R-devel/R-4-1-branch/lib/R/bin/Rscript' --default-packages=datasets,utils,grDevices,graphics,stats,methods -e 'options(socketOptions = "no-delay")' -e 'workRSOCK <- tryCatch(parallel:::.workRSOCK, error=function(e) parallel:::.slaveRSOCK); workRSOCK()' MASTER=localhost PORT=11200 OUT=/dev/null TIMEOUT=2592000 XDR=FALSE SETUPTIMEOUT=120 SETUPSTRATEGY=sequential
#> 
#> ----------------------------------------------------------------------
#> Manually, start worker #2 on local machine ‘localhost’ with:
#> 
#>   '/home/hb/software/R-devel/R-4-1-branch/lib/R/bin/Rscript' --default-packages=datasets,utils,grDevices,graphics,stats,methods -e 'options(socketOptions = "no-delay")' -e 'workRSOCK <- tryCatch(parallel:::.workRSOCK, error=function(e) parallel:::.slaveRSOCK); workRSOCK()' MASTER=localhost PORT=11200 OUT=/dev/null TIMEOUT=2592000 XDR=FALSE SETUPTIMEOUT=120 SETUPSTRATEGY=sequential
#> 
cl <- autoStopCluster(cl)
print(cl)
#> Socket cluster with 1 nodes where 1 node is on host ‘NA’ (R version and platform not queried). This cluster is registered to be automatically stopped by the garbage collector
rm(list = "cl")
gc()
#>           used (Mb) gc trigger (Mb) max used (Mb)
#> Ncells  733526 39.2    1335327 71.4  1335327 71.4
#> Vcells 1381824 10.6    8388608 64.0  1972256 15.1