diff options
author | Henning Baldersheim <balder@yahoo-inc.com> | 2021-09-08 22:19:09 +0200 |
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committer | Henning Baldersheim <balder@yahoo-inc.com> | 2021-09-08 22:19:09 +0200 |
commit | c6bf62e759ed7a40aecfcd94c142def8878e815a (patch) | |
tree | ccb11e209d84467f674d0b7a778176b67930129e /metrics-proxy | |
parent | 66e16f6740f3893fa68c9209b62de97cf157d529 (diff) |
Use a dictionary for metrid ids. There are few unique ones (less than 1k), but many instances.
Diffstat (limited to 'metrics-proxy')
-rw-r--r-- | metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/MetricId.java | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/MetricId.java b/metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/MetricId.java index dcee4100f98..148b838c3c2 100644 --- a/metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/MetricId.java +++ b/metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/MetricId.java @@ -1,6 +1,9 @@ // Copyright 2020 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. package ai.vespa.metricsproxy.metric.model; +import com.yahoo.yolean.concurrent.CopyOnWriteHashMap; + +import java.util.Map; import java.util.Objects; /** @@ -8,11 +11,14 @@ import java.util.Objects; */ public class MetricId { + private static final Map<String, MetricId> dictionary = new CopyOnWriteHashMap<>(); public static final MetricId empty = toMetricId(""); public final String id; private MetricId(String id) { this.id = id; } - public static MetricId toMetricId(String id) { return new MetricId(id); } + public static MetricId toMetricId(String id) { + return dictionary.computeIfAbsent(id, key -> new MetricId(key)); + } @Override public boolean equals(Object o) { |