using rand instead of random fixes discoproject#646

amit-siddhu · Feb 2, 2017 · 4763ac8 · 4763ac8
1 parent 007515c
commit 4763ac8
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diff --git a/master/src/ddfs/ddfs_rebalance.erl b/master/src/ddfs/ddfs_rebalance.erl
@@ -103,7 +103,7 @@ weighted_select_items(L, K) ->
 weighted_select_items(_, 0, Items, _) ->
     Items;
 weighted_select_items(L, K, Items, Consumed) ->
-    P = random:uniform() * (1 - Consumed),
+    P = rand:uniform() * (1 - Consumed),
     {Item, Weight} = weighted_choose(L, P),
     Rest = lists:keydelete(Item, 1, L),
     weighted_select_items(Rest, K - 1, [Item|Items], Consumed + Weight).

diff --git a/master/src/disco_util.erl b/master/src/disco_util.erl
@@ -31,7 +31,7 @@ groupby(N, [H|_] = List, Groups) ->
 
 -spec choose_random([T,...]) -> T.
 choose_random(L) ->
-    lists:nth(random:uniform(length(L)), L).
+    lists:nth(rand:uniform(length(L)), L).
 
 -spec choose_random(list(T), non_neg_integer()) -> list(T).
 choose_random(L, N) ->

diff --git a/master/src/job_coordinator.erl b/master/src/job_coordinator.erl
@@ -433,7 +433,7 @@ retry_task(Host, _Error,
                           Sleep =
                               lists:min([FC * ?FAILED_MIN_PAUSE,
                                          ?FAILED_MAX_PAUSE])
-                              + random:uniform(?FAILED_PAUSE_RANDOMIZE),
+                              + rand:uniform(?FAILED_PAUSE_RANDOMIZE),
                           M = "Task ~s:~B failed on ~p, ~Bth failures so far."
                               " Sleeping ~B seconds before retrying.",
                           MArgs = [Stage, TaskId, Host, FC, round(Sleep / 1000)],