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 1.34.0.9307, parallelly 1.42.0.9005, parallel 4.4.3, globals 0.16.3.9004, listenv 0.9.1.9001
#> 
#> *** Allocations
#> availableCores():
#>            system /proc/self/status             nproc 
#>                 8                 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=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 2887245 4.4.3   Linux 6.8.0-52-generic
#>                                                            version nodename
#> 1 #53~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Wed Jan 15 19:18:46 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 2887985 4.4.3   Linux 6.8.0-52-generic
#> 2      2 2887984 4.4.3   Linux 6.8.0-52-generic
#>                                                            version nodename
#> 1 #53~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Wed Jan 15 19:18:46 UTC 2  host001
#> 2 #53~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Wed Jan 15 19:18:46 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)