Reduced allocations in various code paths that check for subscription interest (#5736, #5744)
Subscription matching for gateways and reply tracking has been optimized (#5735)
Client outbound queues now limit the number of flushed vectors to ensure that very large outbound buffers don’t unfairly compete with write deadlines (#5750)
In client and leafnode results cache, populate new entry after pruning (#5760)
Use newly-available generic sorting functions (#5757)
Set a HTTP read timeout on profiling, monitoring and OCSP HTTP servers (#5790)
Improve behavior of rate-limited warning logs (#5793)
Use dedicated queues for the handling of statsz and profilez system events (#5816)
Clustering
Reduce the chances of implicit routes being duplicated (#5602)
JetStream
Optimize LoadNextMsg for wildcard consumers that are consuming over a large subject space (#5710)
When sync/sync_interval is set to always, metadata files for streams and consumers are now written using O_SYNC to guarantee flushes to disk (#5729)
Walking an entire subject tree is now faster and allocates less (#5734)
Try to snapshot stream state when a change in the clustered last failed sequence is detected (#5812)
Message blocks are no longer loaded into memory unnecessarily when checking if we can skip ahead when loading the next message (#5819)
Don’t attempt to re-compact blocks that cannot be compacted, reducing unnecessary CPU usage and disk I/Os (#5831)
Monitoring
Add StreamLeaderOnly filter option to return replica results only for groups for which that node is the leader (#5704)
The profilez API endpoint in the system account can now acquire and return CPU profiles (#5743)
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Bumps github.com/nats-io/nats-server/v2 from 2.10.16 to 2.10.19.
Release notes
Sourced from github.com/nats-io/nats-server/v2's releases.
... (truncated)
Commits
e7c88e8
Release v2.10.19 (#5835)afa6c97
Release v2.10.19fd01c02
Adjust test to have < 64k subjects to test skip logic.5d3effe
Bump to 2.10.19-RC.6e5e2d14
Cherry picks for v2.10.19 RC6 (#5829)0b5e1ec
When a block can not be compressed, mark it as such to avoid syncBlocks const...5ee2bd4
Do not bump clfs on seq mismatch when before stream LastSeq (#5821)208fdcd
[FIXED] New staticcheck fixes (#5826)c92d9c1
Correct test name7ad3b6f
Bump to 2.10.19-RC.5Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
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