elek commented on a change in pull request #835: HDDS-3399. Update JaegerTracing
URL: https://github.com/apache/hadoop-ozone/pull/835#discussion_r410160098
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File path:
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/tracing/TracingUtil.java
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@@ -129,8 +132,53 @@ private static SpanContext extractParent(String parent,
Tracer tracer) {
private static boolean isTracingEnabled(
org.apache.hadoop.conf.Configuration conf) {
return conf.getBoolean(
- ScmConfigKeys.HDDS_TRACING_ENABLED,
- ScmConfigKeys.HDDS_TRACING_ENABLED_DEFAULT);
+ ScmConfigKeys.HDDS_TRACING_ENABLED,
+ ScmConfigKeys.HDDS_TRACING_ENABLED_DEFAULT);
+ }
+
+ /**
+ * Execute a new function inside an activated span.
+ */
+ public static <R> R executeInsideNewSpan(String spanName,
+ SupplierWithIOException<R> supplier)
+ throws IOException {
+ Span span = GlobalTracer.get()
+ .buildSpan(spanName).start();
+ try (Scope scope = GlobalTracer.get().activateSpan(span)) {
+ return supplier.get();
+ } catch (Exception ex) {
+ span.setTag("failed", true);
+ throw ex;
+ }
Review comment:
Thanks to test it @adoroszlai . I didn't notice any problem with the spans
when I tested, but yes, it seems to be missing. Added them.
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