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 1.68.0, parallelly 1.45.1, parallel 4.5.1, globals 0.18.0, listenv 0.10.0
#> 
#> *** Allocations
#> availableCores():
#>            system /proc/self/status  cgroups2.cpu.max             nproc 
#>                 4                 4                 3                 4 
#> availableWorkers():
#> $cgroups2.cpu.max
#> [1] "localhost" "localhost" "localhost"
#> 
#> $nproc
#> [1] "localhost" "localhost" "localhost" "localhost"
#> 
#> $system
#> [1] "localhost" "localhost" "localhost" "localhost"
#> 
#> *** Settings
#> - future.plan=<not set>
#> - future.fork.multithreading.enable=<not set>
#> - future.globals.maxSize=<not set>
#> - 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 1273570 4.5.1   Linux 6.8.0-1030-aws
#>                                       version nodename machine   login    user
#> 1 #32-Ubuntu SMP Wed May 28 19:48:56 UTC 2025  host001  x86_64 user002 user001
#>   effective_user
#> 1        user001
#> Worker R session details:
#>   worker     pid     r sysname        release
#> 1      1 1274879 4.5.1   Linux 6.8.0-1030-aws
#> 2      2 1274880 4.5.1   Linux 6.8.0-1030-aws
#>                                       version nodename machine   login    user
#> 1 #32-Ubuntu SMP Wed May 28 19:48:56 UTC 2025  host001  x86_64 user002 user001
#> 2 #32-Ubuntu SMP Wed May 28 19:48:56 UTC 2025  host001  x86_64 user002 user001
#>   effective_user
#> 1        user001
#> 2        user001
#> Number of unique worker PIDs: 2 (as expected)
plan(sequential)