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Metric questdb_wal_apply_seq_txn_total shows unstable values on restart #6001

@ideoma

Description

@ideoma

To reproduce

This is the chart of the metric with QuestDb restart in the middle

Image

There were qutie few tables/mat views dropped before the restart and I belive the metric does not adjust the counter when it happens. After the restart, it results in a sudden drop in the transaction count.

QuestDB version:

9.0.1

OS, in case of Docker specify Docker and the Host OS:

Ubuntu (Docker)

File System, in case of Docker specify Host File System:

zfs

Full Name:

Alex Pelagenko

Affiliation:

QuestDB

Have you followed Linux, MacOs kernel configuration steps to increase Maximum open files and Maximum virtual memory areas limit?

  • Yes, I have

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