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HADOOP-18191. Log retry count while handling exceptions in RetryInvocationHandler (#4133) 

(cherry picked from commit b69ede7154)
This commit is contained in:
Viraj Jasani 2022-04-08 18:01:54 +05:30 committed by Takanobu Asanuma
parent 9da7d80c4e
commit e5516cdfaf
1 changed files with 6 additions and 4 deletions
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10
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/retry/RetryInvocationHandler.java
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@ -387,12 +387,12 @@ public class RetryInvocationHandler<T> implements RpcInvocationHandler {
throw retryInfo.getFailException(); throw retryInfo.getFailException();
} }
log(method, retryInfo.isFailover(), counters.failovers, retryInfo.delay, e); log(method, retryInfo.isFailover(), counters.failovers, counters.retries, retryInfo.delay, e);
return retryInfo; return retryInfo;
} }
private void log(final Method method, final boolean isFailover, private void log(final Method method, final boolean isFailover, final int failovers,
final int failovers, final long delay, final Exception ex) { final int retries, final long delay, final Exception ex) {
boolean info = true; boolean info = true;
// If this is the first failover to this proxy, skip logging at INFO level // If this is the first failover to this proxy, skip logging at INFO level
if (!failedAtLeastOnce.contains(proxyDescriptor.getProxyInfo().toString())) if (!failedAtLeastOnce.contains(proxyDescriptor.getProxyInfo().toString()))
@ -408,13 +408,15 @@ public class RetryInvocationHandler<T> implements RpcInvocationHandler {
} }
final StringBuilder b = new StringBuilder() final StringBuilder b = new StringBuilder()
.append(ex + ", while invoking ") .append(ex)
.append(", while invoking ")
.append(proxyDescriptor.getProxyInfo().getString(method.getName())); .append(proxyDescriptor.getProxyInfo().getString(method.getName()));
if (failovers > 0) { if (failovers > 0) {
b.append(" after ").append(failovers).append(" failover attempts"); b.append(" after ").append(failovers).append(" failover attempts");
} }
b.append(isFailover? ". Trying to failover ": ". Retrying "); b.append(isFailover? ". Trying to failover ": ". Retrying ");
b.append(delay > 0? "after sleeping for " + delay + "ms.": "immediately."); b.append(delay > 0? "after sleeping for " + delay + "ms.": "immediately.");
b.append(" Current retry count: ").append(retries).append(".");
if (info) { if (info) {
LOG.info(b.toString()); LOG.info(b.toString());