David Mollitor created HBASE-23368:
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Summary: Optimize Debug Logging of ClientZKSyncer
Key: HBASE-23368
URL: https://issues.apache.org/jira/browse/HBASE-23368
Project: HBase
Issue Type: Improvement
Reporter: David Mollitor
Assignee: David Mollitor
In particular, this caught my eye:
{code:java|title=ClientZKSyncer.java}
// set meta znodes for client ZK
Collection<String> nodes = getNodesToWatch();
LOG.debug("Znodes to watch: " + nodes);
{code}
There are no guards around this debug statement, so the entire list of nodes is
always turned into a string and passed to the {{debug}} method,... and then
promptly discarded if debug is not enabled.
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