lakshmi-manasa-g commented on a change in pull request #1403:
URL: https://github.com/apache/samza/pull/1403#discussion_r461737763
##########
File path:
samza-log4j2/src/main/java/org/apache/samza/logging/log4j2/StreamAppender.java
##########
@@ -67,48 +69,52 @@
import org.apache.samza.system.SystemStream;
import org.apache.samza.util.ExponentialSleepStrategy;
import org.apache.samza.util.HttpUtil;
+import org.apache.samza.util.MetricsReporterLoader;
import org.apache.samza.util.ReflectionUtil;
@Plugin(name = "Stream", category = "Core", elementType = "appender",
printObject = true)
public class StreamAppender extends AbstractAppender {
- private static final String JAVA_OPTS_CONTAINER_NAME =
"samza.container.name";
- private static final String JOB_COORDINATOR_TAG = "samza-job-coordinator";
- private static final String SOURCE = "log4j-log";
+ protected static final String JAVA_OPTS_CONTAINER_NAME =
"samza.container.name";
+ protected static final String JOB_COORDINATOR_TAG = "samza-job-coordinator";
+ protected static final String SOURCE = "log4j-log";
Review comment:
within Samza i see classes which have only some of their variables
exposed as protected and keep the rest private. So i think it is an acceptable
pattern to have partial protected. We can expose more as the need arises.
So the current need to extend is coming from having a usecase to support
another transformation right .. this PR can "make the parts extendable for
different transformation/serde" and that i believe will be acceptable too.
##########
File path:
samza-log4j2/src/main/java/org/apache/samza/logging/log4j2/StreamAppender.java
##########
@@ -214,7 +220,7 @@ public void append(LogEvent event) {
metrics.bufferFillPct.set(Math.round(100f * logQueue.size() /
DEFAULT_QUEUE_SIZE));
}
} catch (Exception e) {
- System.err.println("[StreamAppender] Error sending log message:");
+ System.err.println(String.format("[%s] Error sending log message:",
appenderName));
Review comment:
I understand that log4j2.xml should have the Java class name of the
appender.
my question was if we can drop the variable "appenderName" and get it from
`getClass().getName` instead
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