From 2e921393f2de8c3e406b760f3d57c840cd8a29b4 Mon Sep 17 00:00:00 2001
From: Yossi Farjoun <farjoun@broadinstitute.org>
Date: Tue, 28 Feb 2017 12:46:51 -0500
Subject: [PATCH] - parallel map in MergableMetric fails since merge is not
 synchronized. (#756)

---
 src/main/java/picard/analysis/MergeableMetricBase.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/picard/analysis/MergeableMetricBase.java b/src/main/java/picard/analysis/MergeableMetricBase.java
index abe420b51..fb106f6f2 100644
--- a/src/main/java/picard/analysis/MergeableMetricBase.java
+++ b/src/main/java/picard/analysis/MergeableMetricBase.java
@@ -128,7 +128,7 @@ public boolean mergeIfCan(final MergeableMetricBase other) {
      * @param many a Collection of MergeableMetricBase
      */
     public MergeableMetricBase merge(final Collection<? extends MergeableMetricBase> many) {
-        many.parallelStream().forEach(this::merge);
+        many.stream().forEach(this::merge);
         calculateDerivedFields();
         return this;
     }