Get future-specific session information and validate current backend

futureSessionInfo(test = TRUE, anonymize = TRUE)

Arguments

test

If TRUE, one or more futures are created to query workers and validate their information.

anonymize

If TRUE, user names and host names are anonymized.

Value

Nothing.

Examples

plan(multisession, workers = 2)
futureSessionInfo()
#> *** Package versions
#> future 1.32.0.9002, parallelly 1.34.0.9007, parallel 4.2.2, globals 0.16.2, listenv 0.9.0
#> 
#> *** Allocations
#> availableCores():
#> system  nproc 
#>      8      8 
#> availableWorkers():
#> $nproc
#> [1] "localhost" "localhost" "localhost" "localhost" "localhost" "localhost"
#> [7] "localhost" "localhost"
#> 
#> $system
#> [1] "localhost" "localhost" "localhost" "localhost" "localhost" "localhost"
#> [7] "localhost" "localhost"
#> 
#> *** Settings
#> - future.plan=<not set>
#> - future.fork.multithreading.enable=<not set>
#> - future.globals.maxSize=5e+06
#> - future.globals.onReference=<not set>
#> - future.resolve.recursive=<not set>
#> - future.rng.onMisuse=‘error’
#> - future.wait.timeout=<not set>
#> - future.wait.interval=<not set>
#> - future.wait.alpha=<not set>
#> - future.startup.script=<not set>
#> 
#> *** Backends
#> Number of workers: 2
#> List of future strategies:
#> 1. multisession:
#>    - args: function (..., workers = 2, envir = parent.frame())
#>    - tweaked: TRUE
#>    - call: plan(multisession, workers = 2)
#> 
#> *** Basic tests
#> Main R session details:
#>       pid     r sysname           release
#> 1 3700213 4.2.2   Linux 5.19.0-35-generic
#>                                                            version nodename
#> 1 #36~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Fri Feb 17 15:17:25 UTC 2  host001
#>   machine   login    user effective_user
#> 1  x86_64 user001 user001        user001
#> Worker R session details:
#>   worker     pid     r sysname           release
#> 1      1 3700964 4.2.2   Linux 5.19.0-35-generic
#> 2      2 3700963 4.2.2   Linux 5.19.0-35-generic
#>                                                            version nodename
#> 1 #36~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Fri Feb 17 15:17:25 UTC 2  host001
#> 2 #36~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Fri Feb 17 15:17:25 UTC 2  host001
#>   machine   login    user effective_user
#> 1  x86_64 user001 user001        user001
#> 2  x86_64 user001 user001        user001
#> Number of unique worker PIDs: 2 (as expected)
plan(sequential)