jeeteshm commented on a change in pull request #1611: HADOOP-16612 Track Azure
Blob File System client-perceived latency
URL: https://github.com/apache/hadoop/pull/1611#discussion_r341800092
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File path:
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AbfsRestOperation.java
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@@ -121,7 +121,15 @@ public AbfsHttpOperation getResult() {
* HTTP operations.
*/
void execute() throws AzureBlobFileSystemException {
+ // see if we have latency reports from the previous requests
+ String latencyHeader = this.client.getAbfsPerfTracker().getClientLatency();
+
+ if (latencyHeader != null && !latencyHeader.isEmpty()) {
+ requestHeaders.add(new AbfsHttpHeader("x-ms-abfs-client-latency",
latencyHeader));
Review comment:
Using string constants now. Extracted the header.
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