Sergei Hanus created ZOOKEEPER-4559:
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Summary: Zookeeper creates snapshots too often (every 5-10 minutes)
Key: ZOOKEEPER-4559
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4559
Project: ZooKeeper
Issue Type: Bug
Affects Versions: 3.6.1
Reporter: Sergei Hanus
I experience an issue, when zookeeper creates snapshots every 5-10 minutes.
First, I suspected lots of transactions, which overload the ransaction log and
rotate it - but, that's no the case. Each transaction log contains not more
than 300-400 transactions (I opened one log file using zookeeper utility and at
the end of this log there's a record "OF reached after 328 txns."
Log dile size is also not big - less than 1 MB.
Snapshot file is pretty big, though - it contains ~400k znodes. Also, there are
about 2000 simultaneous sessions open to this zookeeper node. But that does not
directly explain - why snapshots are rotated so fast.
So, I'm wondering - what could be the reason for such frequent rotation?
Thank you in advance.
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