Move lock metrics to MetricsReporter

Adds two new metrics:

 - The load of acquiring each lock path: The average number of threads waiting
   to acquire the lock within the last minute (or unit of time).  Aka the lock
   queue (depth).

 - The load of the lock for each lock path: The average number of threads
   holding the lock within the last minute (or unit of time).  This is always
   <= 1.  Aka the lock utilization.

Changes the LockCounters to LockMetrics, and exporting those once every minute
through MetricReporter which is designed for this.

1 files changed, 1 insertions, 1 deletions

diff --git a/orchestrator/src/main/java/com/yahoo/vespa/orchestrator/status/ZkStatusService.java b/orchestrator/src/main/java/com/yahoo/vespa/orchestrator/status/ZkStatusService.java
index 387fda8ad84..a5877f4a761 100644
--- a/orchestrator/src/main/java/com/yahoo/vespa/orchestrator/status/ZkStatusService.java
+++ b/orchestrator/src/main/java/com/yahoo/vespa/orchestrator/status/ZkStatusService.java
@@ -169,7 +169,7 @@ public class ZkStatusService implements StatusService {
 
         Duration duration = context.getTimeLeft();
         String lockPath = applicationInstanceLock2Path(reference);
-        Lock lock = new Lock(lockPath, curator, Optional.of(metric));
+        Lock lock = new Lock(lockPath, curator);
 
         Instant startTime = timer.currentTime();
         Instant acquireEndTime;