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 1.58.0, parallelly 1.45.0, parallel 4.4.1, globals 0.18.0, listenv 0.9.1
#> 
#> *** Allocations
#> availableCores():
#>            system /proc/self/status             nproc 
#>                 4                 4                 4 
#> availableWorkers():
#> $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, envir = parent.frame())
#>    - tweaked: TRUE
#>    - call: plan(multisession, workers = 2)
#> 
#> *** Basic tests
#> Main R session details:
#>      pid     r sysname        release
#> 1 876089 4.4.1   Linux 6.2.0-1018-aws
#>                                               version nodename machine   login
#> 1 #18~22.04.1-Ubuntu SMP Wed Jan 10 22:54:16 UTC 2024  host001  x86_64 user002
#>      user effective_user
#> 1 user001        user001
#> Worker R session details:
#>   worker    pid     r sysname        release
#> 1      1 877655 4.4.1   Linux 6.2.0-1018-aws
#> 2      2 877656 4.4.1   Linux 6.2.0-1018-aws
#>                                               version nodename machine   login
#> 1 #18~22.04.1-Ubuntu SMP Wed Jan 10 22:54:16 UTC 2024  host001  x86_64 user002
#> 2 #18~22.04.1-Ubuntu SMP Wed Jan 10 22:54:16 UTC 2024  host001  x86_64 user002
#>      user effective_user
#> 1 user001        user001
#> 2 user001        user001
#> Number of unique worker PIDs: 2 (as expected)
plan(sequential)