[BUG] Frequent errors cause the CPU to surge, even when there is no traffic at all.

[Snuger]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

2026-03-09 10:52:03 [victoria-metrics-cluster-flush-timer] ERROR org.apache.hertzbeat.warehouse.store.history.tsdb.vm.VictoriaMetricsDataStorage - flush metrics data to victoria-metrics error: Cannot invoke "org.apache.hertzbeat.warehouse.store.history.tsdb.vm.VictoriaMetricsProperties$Compression.enabled()" because the return value of "org.apache.hertzbeat.warehouse.store.history.tsdb.vm.VictoriaMetricsProperties$InsertConfig.compression()" is null.
java.lang.NullPointerException: Cannot invoke "org.apache.hertzbeat.warehouse.store.history.tsdb.vm.VictoriaMetricsProperties$Compression.enabled()" because the return value of "org.apache.hertzbeat.warehouse.store.history.tsdb.vm.VictoriaMetricsProperties$InsertConfig.compression()" is null
at org.apache.hertzbeat.warehouse.store.history.tsdb.vm.VictoriaMetricsDataStorage.doSaveData(VictoriaMetricsDataStorage.java:689)
at org.apache.hertzbeat.warehouse.store.history.tsdb.vm.VictoriaMetricsDataStorage$MetricsFlushTask.triggerDoSaveData(VictoriaMetricsDataStorage.java:655)
at org.apache.hertzbeat.warehouse.store.history.tsdb.vm.VictoriaMetricsDataStorage$MetricsFlushTask.run(VictoriaMetricsDataStorage.java:646)
at org.apache.hertzbeat.common.timer.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:645)
at org.apache.hertzbeat.common.timer.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:722)
at org.apache.hertzbeat.common.timer.HashedWheelTimer$Worker.run(HashedWheelTimer.java:446)
at java.base/java.lang.Thread.run(Thread.java:1583)

Expected Behavior

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Steps To Reproduce

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Environment

HertzBeat version(s): 1.8

Debug logs

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Anything else?

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