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Expose some RocksDB stats

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This commit is contained in:
Francesco Mazzoli
2023-11-09 13:23:49 +00:00
parent 03e9510255
commit c5979a9d90
8 changed files with 101 additions and 25 deletions
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cpp/cdc/CDC.cpp
+10
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@@ -762,6 +762,7 @@ private:
CDCShared& _shared;
XmonNCAlert _alert;
MetricsBuilder _metricsBuilder;
std::unordered_map<std::string, uint64_t> _rocksDBStats;
public:
CDCMetricsInserter(Logger& logger, std::shared_ptr<XmonAgent>& xmon, CDCShared& shared):
PeriodicLoop(logger, xmon, "metrics_inserter", {1_sec, 1.0, 1_mins, 0.1}),
@@ -796,6 +797,15 @@ public:
_metricsBuilder.fieldFloat("size", (double)sum / (double)_shared.inFlightTxnsWindow.size());
_metricsBuilder.timestamp(now);
}
{
_rocksDBStats.clear();
_shared.db.rocksDBStats(_rocksDBStats);
for (const auto& [name, value]: _rocksDBStats) {
_metricsBuilder.measurement("eggsfs_cdc_rocksdb");
_metricsBuilder.fieldU64(name, value);
_metricsBuilder.timestamp(now);
}
}
std::string err = sendMetrics(10_sec, _metricsBuilder.payload());
_metricsBuilder.reset();
if (err.empty()) {