docs: restart tasks

mlr-org · Dec 4, 2023 · 1451787 · 1451787
1 parent 291f8d7
commit 1451787
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Showing 6 changed files with 49 additions and 13 deletions.
diff --git a/R/Rush.R b/R/Rush.R
@@ -99,6 +99,7 @@
 #' @template param_lgr_buffer_size
 #' @template param_seed
 #' @template param_data_format
+#' @template param_max_tries
 #'
 #'
 #' @export
@@ -182,7 +183,7 @@ Rush = R6::R6Class("Rush",
       heartbeat_expire = NULL,
       lgr_thresholds = NULL,
       lgr_buffer_size = 0,
-      max_retries = 0,
+      max_tries = 0,
       seed = NULL,
       supervise = TRUE,
       worker_loop = worker_loop_default,
@@ -194,7 +195,7 @@ Rush = R6::R6Class("Rush",
       r = self$connector
 
       # set global maximum retries of tasks
-      private$.max_retries = assert_count(max_retries)
+      private$.max_tries = assert_count(max_tries)
 
       # push worker config to redis
       private$.push_worker_config(
@@ -204,7 +205,7 @@ Rush = R6::R6Class("Rush",
         heartbeat_expire = heartbeat_expire,
         lgr_thresholds = lgr_thresholds,
         lgr_buffer_size = lgr_buffer_size,
-        max_retries = max_retries,
+        max_tries = max_tries,
         seed = seed,
         worker_loop = worker_loop,
         ...
@@ -365,6 +366,8 @@ Rush = R6::R6Class("Rush",
     #'
     #' @param restart_workers (`logical(1)`)\cr
     #' Whether to restart lost workers.
+    #' @param restart_tasks (`logical(1)`)\cr
+    #' Whether to restart lost tasks.
     detect_lost_workers = function(restart_workers = FALSE, restart_tasks = FALSE) {
       assert_flag(restart_workers)
       assert_flag(restart_tasks)
@@ -431,7 +434,7 @@ Rush = R6::R6Class("Rush",
         if (restart_tasks) {
 
           # check whether the tasks should be retried
-          retry = self$n_tries(keys) < private$.max_retries
+          retry = self$n_tries(keys) < private$.max_tries
           keys = keys[retry]
 
           if (length(keys)) {
@@ -1155,7 +1158,7 @@ Rush = R6::R6Class("Rush",
     #
     .hostname = NULL,
 
-    .max_retries = NULL,
+    .max_tries = NULL,
 
     # prefix key with instance id
     .get_key = function(key) {
@@ -1176,7 +1179,7 @@ Rush = R6::R6Class("Rush",
       heartbeat_expire = NULL,
       lgr_thresholds = NULL,
       lgr_buffer_size = 0,
-      max_retries = 0,
+      max_tries = 0,
       seed = NULL,
       worker_loop = worker_loop_default,
       ...
@@ -1188,7 +1191,7 @@ Rush = R6::R6Class("Rush",
       if (!is.null(heartbeat_period)) require_namespaces("callr")
       assert_vector(lgr_thresholds, names = "named", null.ok = TRUE)
       assert_count(lgr_buffer_size)
-      assert_count(max_retries)
+      assert_count(max_tries)
       assert_int(seed, null.ok = TRUE)
       assert_function(worker_loop)
       dots = list(...)
@@ -1210,7 +1213,7 @@ Rush = R6::R6Class("Rush",
         lgr_thresholds = lgr_thresholds,
         lgr_buffer_size = lgr_buffer_size,
         seed = seed,
-        max_retries = max_retries)
+        max_tries = max_tries)
 
       # arguments needed for initializing the worker
       start_args = list(

diff --git a/R/RushWorker.R b/R/RushWorker.R
@@ -16,6 +16,7 @@
 #' @template param_lgr_thresholds
 #' @template param_lgr_buffer_size
 #' @template param_seed
+#' @template param_max_tries
 #'
 #' @export
 RushWorker = R6::R6Class("RushWorker",
@@ -46,13 +47,13 @@ RushWorker = R6::R6Class("RushWorker",
       lgr_thresholds = NULL,
       lgr_buffer_size = 0,
       seed = NULL,
-      max_retries = 0
+      max_tries = 0
       ) {
       super$initialize(network_id = network_id, config = config)
 
       self$host = assert_choice(host, c("local", "remote"))
       self$worker_id = assert_string(worker_id %??% uuid::UUIDgenerate())
-      private$.max_retries = assert_count(max_retries)
+      private$.max_tries = assert_count(max_tries)
       r = self$connector
 
       # setup heartbeat
@@ -216,6 +217,13 @@ RushWorker = R6::R6Class("RushWorker",
       return(invisible(self))
     },
 
+    #' @description
+    #' Pushes failed tasks to the data base.
+    #'
+    #' @param keys (`character(1)`)\cr
+    #' Keys of the associated tasks.
+    #' @param conditions (named `list()`)\cr
+    #' List of lists of conditions.
     push_failed = function(keys, conditions) {
       assert_string(keys)
       assert_list(conditions, types = "list")

diff --git a/man-roxygen/param_max_tries.R b/man-roxygen/param_max_tries.R
@@ -0,0 +1,2 @@
+#' @param max_tries (`integer(1)`)\cr
+#' Maximum number of tries for a task before it is considered failed.
diff --git a/man/Rush.Rd b/man/Rush.Rd
diff --git a/man/RushWorker.Rd b/man/RushWorker.Rd
diff --git a/tests/testthat/test-Rush.R b/tests/testthat/test-Rush.R
@@ -616,7 +616,7 @@ test_that("a task is restarted when a worker is lost", {
     tools::pskill(Sys.getpid())
   }
 
-  rush$start_workers(fun = fun, n_workers = 1, max_retries = 1, wait_for_workers = TRUE)
+  rush$start_workers(fun = fun, n_workers = 1, max_tries = 1, wait_for_workers = TRUE)
 
   xss = list(list(x1 = 1, x2 = 2))
   keys = rush$push_tasks(xss)
@@ -633,6 +633,7 @@ test_that("a task is restarted when a worker is lost", {
 test_that("blocking on new results works", {
   skip_on_cran()
   skip_on_ci()
+  skip_if(TRUE) # does not work in testthat on environment
 
   config = start_flush_redis()
   rush = Rush$new(network_id = "test-rush", config = config)
@@ -677,6 +678,7 @@ test_that("wait for tasks works when a task gets lost", {
 test_that("saving lgr logs works", {
   skip_on_cran()
   skip_on_ci()
+  skip_if(TRUE) # does not work in testthat on environment
 
   config = start_flush_redis()
   rush = Rush$new(network_id = "test-rush", config = config)