steveloughran commented on a change in pull request #2816:
URL: https://github.com/apache/hadoop/pull/2816#discussion_r601307384
##########
File path: hadoop-common-project/hadoop-common/pom.xml
##########
@@ -371,6 +371,31 @@
<artifactId>lz4-java</artifactId>
<scope>provided</scope>
</dependency>
+ <dependency>
+ <groupId>io.opentelemetry</groupId>
+ <artifactId>opentelemetry-api</artifactId>
+ <version>1.0.0</version>
Review comment:
all these imports
1. need to be declared in hadoop-project/pom.xml
2. and if the api and sdk are to be kept in sync, with the version defined
in a property
3. The hadoop-common import should declare as <provided> all those only
needed for build and test.
##########
File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/tracing/Span.java
##########
@@ -17,28 +17,51 @@
*/
package org.apache.hadoop.tracing;
+import io.opentelemetry.context.Scope;
+
import java.io.Closeable;
public class Span implements Closeable {
-
+ io.opentelemetry.api.trace.Span span = null;
public Span() {
}
+ public Span(io.opentelemetry.api.trace.Span span){
+ this.span = span;
+ }
+
public Span addKVAnnotation(String key, String value) {
+ if(span != null){
+ span.setAttribute(key, value);
+ }
return this;
}
public Span addTimelineAnnotation(String msg) {
+ if(span != null){
+ span.addEvent(msg);
+ }
return this;
}
public SpanContext getContext() {
- return null;
+ return new SpanContext(span.getSpanContext());
}
public void finish() {
+ close();
}
public void close() {
+ if(span != null){
+ span.end();
Review comment:
set span to null, presumably
##########
File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/tracing/Span.java
##########
@@ -17,28 +17,51 @@
*/
package org.apache.hadoop.tracing;
+import io.opentelemetry.context.Scope;
+
import java.io.Closeable;
public class Span implements Closeable {
-
+ io.opentelemetry.api.trace.Span span = null;
public Span() {
}
+ public Span(io.opentelemetry.api.trace.Span span){
+ this.span = span;
+ }
+
public Span addKVAnnotation(String key, String value) {
+ if(span != null){
+ span.setAttribute(key, value);
+ }
return this;
}
public Span addTimelineAnnotation(String msg) {
+ if(span != null){
+ span.addEvent(msg);
+ }
return this;
}
public SpanContext getContext() {
- return null;
+ return new SpanContext(span.getSpanContext());
Review comment:
what if span == null
##########
File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/tracing/Span.java
##########
@@ -17,28 +17,51 @@
*/
package org.apache.hadoop.tracing;
+import io.opentelemetry.context.Scope;
+
import java.io.Closeable;
public class Span implements Closeable {
-
+ io.opentelemetry.api.trace.Span span = null;
Review comment:
private
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