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The following commit(s) were added to refs/heads/master by this push:
new ceeca92 HDDS-4201. Improve the performance of OmKeyLocationInfoGroup
(#1381)
ceeca92 is described below
commit ceeca92d1e846c33c27325c3797d3cf1352859c9
Author: runzhiwang <[email protected]>
AuthorDate: Fri Sep 4 14:42:01 2020 +0800
HDDS-4201. Improve the performance of OmKeyLocationInfoGroup (#1381)
---
.../apache/hadoop/ozone/om/helpers/OmKeyLocationInfoGroup.java | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git
a/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OmKeyLocationInfoGroup.java
b/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OmKeyLocationInfoGroup.java
index abaf055..08bc8b2 100644
---
a/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OmKeyLocationInfoGroup.java
+++
b/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OmKeyLocationInfoGroup.java
@@ -36,8 +36,12 @@ public class OmKeyLocationInfoGroup {
public OmKeyLocationInfoGroup(long version,
List<OmKeyLocationInfo> locations) {
this.version = version;
- this.locationVersionMap = locations.stream()
- .collect(Collectors.groupingBy(OmKeyLocationInfo::getCreateVersion));
+ locationVersionMap = new HashMap<>();
+ for (OmKeyLocationInfo info : locations) {
+ locationVersionMap
+ .computeIfAbsent(info.getCreateVersion(), v -> new ArrayList<>())
+ .add(info);
+ }
//prevent NPE
this.locationVersionMap.putIfAbsent(version, new ArrayList<>());
}
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