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HDFS-16181. [SBN Read] Fix metric of RpcRequestCacheMissAmount can't display when tailEditLog form JN #3317

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Merged
xkrogen merged 3 commits into from
Sep 15, 2021
Merged

HDFS-16181. [SBN Read] Fix metric of RpcRequestCacheMissAmount can't display when tailEditLog form JN #3317

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8a5092e
HDFS-16181. [SBN] Fix metric of RpcRequestCacheMissAmount can't displ…
Aug 20, 2021
17ff74e
HDFS-16181. address comment
wzhallright Sep 14, 2021
7767807
HDFS-16181. fix checkstyle
wzhallright Sep 15, 2021
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11 changes: 6 additions & 5 deletions ...ject/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/server/JournalMetrics.java
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Original file line number Diff line number Diff line change
Expand Up @@ -52,11 +52,7 @@ class JournalMetrics {
MutableCounterLong bytesServedViaRpc;

@Metric
MutableStat rpcRequestCacheMissAmount = new MutableStat(
"RpcRequestCacheMissAmount", "Number of RPC requests unable to be " +
"served due to lack of availability in cache, and how many " +
"transactions away the request was from being in the cache.",
"Misses", "Txns");
MutableStat rpcRequestCacheMissAmount;

@Metric("Number of RPC requests with zero edits returned")
MutableCounterLong rpcEmptyResponses;
Expand Down Expand Up @@ -87,6 +83,11 @@ class JournalMetrics {
"syncs" + interval + "s",
"Journal sync time", "ops", "latencyMicros", interval);
}
rpcRequestCacheMissAmount = registry
.newStat("RpcRequestCacheMissAmount", "Number of RPC requests unable to be " +
"served due to lack of availability in cache, and how many " +
"transactions away the request was from being in the cache.",
"Misses", "Txns");
}

public static JournalMetrics create(Journal j) {
Expand Down