You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@iotdb.apache.org by ja...@apache.org on 2022/11/05 10:35:39 UTC
[iotdb] branch QueryMetrics updated: add singleton
This is an automated email from the ASF dual-hosted git repository.
jackietien pushed a commit to branch QueryMetrics
in repository https://gitbox.apache.org/repos/asf/iotdb.git
The following commit(s) were added to refs/heads/QueryMetrics by this push:
new 81022af3cb add singleton
81022af3cb is described below
commit 81022af3cb7248ac1f3beb343f8ff1b23e89f725
Author: JackieTien97 <ja...@gmail.com>
AuthorDate: Sat Nov 5 18:35:30 2022 +0800
add singleton
---
.../org/apache/iotdb/db/mpp/statistics/QueryStatistics.java | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/server/src/main/java/org/apache/iotdb/db/mpp/statistics/QueryStatistics.java b/server/src/main/java/org/apache/iotdb/db/mpp/statistics/QueryStatistics.java
index f6ba8b3050..e61e22f3ff 100644
--- a/server/src/main/java/org/apache/iotdb/db/mpp/statistics/QueryStatistics.java
+++ b/server/src/main/java/org/apache/iotdb/db/mpp/statistics/QueryStatistics.java
@@ -66,6 +66,10 @@ public class QueryStatistics {
}
}
+ public static QueryStatistics getInstance() {
+ return QueryStatisticsHolder.INSTANCE;
+ }
+
public void addCost(String key, long costTimeInNanos) {
if (tracing.get()) {
operationStatistics
@@ -115,4 +119,11 @@ public class QueryStatistics {
+ '}';
}
}
+
+ private static class QueryStatisticsHolder {
+
+ private static final QueryStatistics INSTANCE = new QueryStatistics();
+
+ private QueryStatisticsHolder() {}
+ }
}