mds: support sending empty perf metrics to ceph-manager

Right now, there are no per-mds metrics that are tracked and
sent by mds. However, such metrics will get added soon. So,
send empty performance metrics to ceph-manager for now.

Signed-off-by: Venky Shankar <vshankar@redhat.com>

diff --git a/src/mds/MetricAggregator.cc b/src/mds/MetricAggregator.cc
index 865474d94d201097303dfb23f5b811c92476e567..03e06db64998ac27451b554fcecfafe349ac3a4b 100644 (file)
--- a/src/mds/MetricAggregator.cc
+++ b/src/mds/MetricAggregator.cc
@@ -329,7 +329,6 @@ MetricPayload MetricAggregator::get_perf_reports() {
     query.get_performance_counter_descriptors(&report.performance_counter_descriptors);
 
     auto &descriptors = report.performance_counter_descriptors;
-    ceph_assert(descriptors.size() > 0);
 
     dout(20) << ": descriptors=" << descriptors << dendl;