A user on a slow PC with RBN saw OpsLog at 94% CPU and 8.5 GB RAM (Logger32: 3%
/ 34 MB on the same feeds). Two runaway costs under the spot firehose:
- ClusterSpotStatuses re-scanned the ENTIRE logbook (5-6 full-table maps) on
every 50 ms spot batch — ~20×/second — its "one scan regardless of batch" doc
was untrue. On a big log that's millions of row-scans/second → the pegged CPU.
Now cached in clusterStatusCache (an immutable snapshot), rebuilt only when the
logbook changes (noteWorked on a single log, invalidateAwardStats on bulk), so
it's one scan per logged QSO instead of per batch.
- The frontend spotStatus map had no cap: one entry per call|band|mode ever seen,
and RBN produces thousands of unique calls/hour → unbounded growth to GBs, plus
a full {...prev} copy 20×/second. Now pruned back to the live (SPOTS_CAP=1000)
spots once it drifts past 2×, with a cheap same-reference bail-out otherwise.
rouggy
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