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https://issues.apache.org/jira/browse/TEZ-3649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fei Hui reassigned TEZ-3649:
----------------------------
Assignee: Fei Hui
> AsyncHttpConnection should add StopWatch start
> ----------------------------------------------
>
> Key: TEZ-3649
> URL: https://issues.apache.org/jira/browse/TEZ-3649
> Project: Apache Tez
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Fei Hui
> Assignee: Fei Hui
>
> {code:title=AsyncHttpConnection.java|borderStyle=solid}
> public void validate() throws IOException {
> // get the shuffle version
> if (!ShuffleHeader.DEFAULT_HTTP_HEADER_NAME
> .equals(response.getHeader(ShuffleHeader.HTTP_HEADER_NAME))
> || !ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION
> .equals(response.getHeader(ShuffleHeader.HTTP_HEADER_VERSION))) {
> throw new IOException("Incompatible shuffle response version");
> }
> // get the replyHash which is HMac of the encHash we sent to the server
> String replyHash =
> response.getHeader(SecureShuffleUtils.HTTP_HEADER_REPLY_URL_HASH);
> if (replyHash == null) {
> throw new IOException("security validation of TT Map output failed");
> }
> LOG.debug("url={};encHash={};replyHash={}", msgToEncode, encHash,
> replyHash);
> // verify that replyHash is HMac of encHash
> SecureShuffleUtils.verifyReply(replyHash, encHash, jobTokenSecretMgr);
> //Following log statement will be used by tez-tool perf-analyzer for
> mapping attempt to NM host
> LOG.info("for url={} sent hash and receievd reply {} ms", url,
> stopWatch.now(TimeUnit.MILLISECONDS));
> }
> {code}
> It uses stopWatch.now, but never starts it. we should start it at the
> beginning of this function
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