Minor changes

- change log level to trace to not pollute the SchemeShard log
- change comment wording to emphasize the real values seen in practice

Author: jepett0

ydb/core/tx/schemeshard/schemeshard__table_stats.cpp

@@ -515,11 +515,11 @@ void TSchemeShard::Handle(TEvDataShard::TEvPeriodicTableStats::TPtr& ev, const T
                                                      << " rowCount " << rowCount
                                                      << " cpuUsage " << tabletMetrics.GetCPU()/10000.0);
 
-    LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+    LOG_TRACE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                 "Got periodic table stats at tablet " << TabletID()
                                                      << " from shard " << datashardId
                                                      << " pathId " << pathId
-                                                     << " raw table stats:\n" << tableStats.DebugString());
+                                                     << " raw table stats:\n" << tableStats.ShortDebugString());
 
     TStatsId statsId(pathId, datashardId);
 

ydb/public/api/protos/ydb_cms.proto

@@ -96,7 +96,7 @@ message DatabaseQuotas {
     uint32 ttl_min_run_internal_seconds = 4;
 
     message StorageQuotas {
-        // in theory an arbitrary string, but in practice HDD or SSD
+        // in theory an arbitrary string, but in practice "hdd" or "ssd"
         string unit_kind = 1;
         uint64 data_size_hard_quota = 2;
         uint64 data_size_soft_quota = 3;