Get future-specific session information and validate current backend

Usage

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 1.82.0.9011, parallelly 1.50.0, parallel 4.6.2, globals 0.20.0, listenv 1.1.0
#> 
#> *** Allocations
#> availableCores():
#>                         system              /proc/self/status 
#>                              8                              8 
#> cgroups2.cpuset.cpus.effective                          nproc 
#>                              8                              8 
#> availableWorkers():
#> $cgroups2.cpuset.cpus.effective
#> [1] "localhost" "localhost" "localhost" "localhost" "localhost" "localhost"
#> [7] "localhost" "localhost"
#> 
#> $nproc
#> [1] "localhost" "localhost" "localhost" "localhost" "localhost" "localhost"
#> [7] "localhost" "localhost"
#> 
#> $`/proc/self/status`
#> [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=Inf
#> - future.globals.onReference=<not set>
#> - future.resolve.recursive=<not set>
#> - future.rng.onMisuse=<not set>
#> - future.wait.timeout=<not set>
#> - future.wait.interval=<not set>
#> - future.wait.alpha=<not set>
#> - future.startup.script=FALSE
#> 
#> *** Backends
#> Number of workers: 2
#> List of future strategies:
#> 1. multisession:
#>    - args: function (..., workers = 2)
#>    - tweaked: TRUE
#>    - call: plan(multisession, workers = 2)
#> 
#> *** Basic tests
#> Main R session details:
#>       pid     r sysname          release
#> 1 2974439 4.6.2   Linux 7.0.0-38-generic
#>                                                            version nodename
#> 1 #38~24.04.4-Ubuntu SMP PREEMPT_DYNAMIC Mon Sep 14 16:37:11 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 2976080 4.6.2   Linux 7.0.0-38-generic
#> 2      2 2976079 4.6.2   Linux 7.0.0-38-generic
#>                                                            version nodename
#> 1 #38~24.04.4-Ubuntu SMP PREEMPT_DYNAMIC Mon Sep 14 16:37:11 UTC 2  host001
#> 2 #38~24.04.4-Ubuntu SMP PREEMPT_DYNAMIC Mon Sep 14 16:37:11 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)