Comparison: JetStream

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Job	Source	Filter	Repetitions	Go	Worker	Job Info
7dc09744-9aa5-4346-a2b4-2a57e5bc5e4e	main https://github.com/nats-io/nats-server.git (bae1d6c752e0550901d0a79a76fb2fabe79c1eff)	BenchmarkJetStream(Publish\|Consume)./.R=3.*	5 x 3s	go version go1.26.0 linux/amd64 (/usr/local/go1.25.4/bin/go)	dev (?) gauge-go-bench-away Linux_6.18.5+deb14-amd64-x86_64	Submitted by at 2026-03-06 05:49:49 +0000 UTC
4ad96777-bc2f-4266-920f-2862a2aee7e2	main https://github.com/nats-io/nats-server.git (51fbade1ed5aa9cd026e6be57ad9b0c6272f6709)	BenchmarkJetStream(Publish\|Consume)./.R=3.*	5 x 3s	go version go1.26.0 linux/amd64 (/usr/local/go1.25.4/bin/go)	dev (?) gauge-go-bench-away Linux_6.18.5+deb14-amd64-x86_64	Submitted by at 2026-03-09 06:57:00 +0000 UTC

Push Consumer throughput (msg/s)

Error bars represent 90% confidence interval, benchmarks filter: 'JetStreamConsume/.*/PUSH.*'

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	Previous	Latest	Δ%
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Sync,Ephemeral]-16	670k ± 40k	676k ± 51k	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Async,Ephemeral]-16	720k ± 94k	662k ± 3k	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Async,Ordered]-16	1.24M ± 0.11M	1.30M ± 0.07M	+4.7%
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Async,Durable]-16	504k ± 30k	510k ± 26k	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PUSH[Sync,Ephemeral]-16	500k ± 28k	504k ± 22k	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PUSH[Async,Ephemeral]-16	525k ± 3k	552k ± 75k	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PUSH[Async,Durable]-16	400k ± 1k	405k ± 31k	Inconclusive

Push Consumer throughput (byte/s)

Error bars represent 90% confidence interval, benchmarks filter: 'JetStreamConsume/.*/PUSH.*'

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	Previous	Latest	Δ%
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Sync,Ephemeral]-16	6.70MB/s ± 0.40MB/s	6.77MB/s ± 0.51MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Async,Ephemeral]-16	7.20MB/s ± 0.94MB/s	6.62MB/s ± 0.03MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Async,Ordered]-16	12.4MB/s ± 1.1MB/s	13.0MB/s ± 0.7MB/s	+4.8%
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Async,Durable]-16	5.04MB/s ± 0.30MB/s	5.10MB/s ± 0.26MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PUSH[Sync,Ephemeral]-16	512MB/s ± 28MB/s	516MB/s ± 22MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PUSH[Async,Ephemeral]-16	537MB/s ± 3MB/s	566MB/s ± 77MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PUSH[Async,Durable]-16	410MB/s ± 1MB/s	414MB/s ± 32MB/s	Inconclusive

Pull Consumer throughput (msg/s)

Error bars represent 90% confidence interval, benchmarks filter: 'JetStreamConsume/.*/PULL.*'

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	Previous	Latest	Δ%
JetStreamConsume/N=3,R=3,MsgSz=10b/PULL[Durable]-16	260k ± 2k	261k ± 1k	+0.6%
JetStreamConsume/N=3,R=3,MsgSz=10b/PULL[Ephemeral]-16	370k ± 5k	371k ± 5k	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PULL[Durable]-16	224k ± 1k	225k ± 0k	+0.4%
JetStreamConsume/N=3,R=3,MsgSz=1024b/PULL[Ephemeral]-16	316k ± 2k	317k ± 2k	Inconclusive

Pull Consumer throughput (byte/s)

Error bars represent 90% confidence interval, benchmarks filter: 'JetStreamConsume/.*/PULL.*'

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	Previous	Latest	Δ%
JetStreamConsume/N=3,R=3,MsgSz=10b/PULL[Durable]-16	2.59MB/s ± 0.02MB/s	2.61MB/s ± 0.00MB/s	+0.6%
JetStreamConsume/N=3,R=3,MsgSz=10b/PULL[Ephemeral]-16	3.70MB/s ± 0.05MB/s	3.72MB/s ± 0.05MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PULL[Durable]-16	230MB/s ± 1MB/s	231MB/s ± 0MB/s	+0.4%
JetStreamConsume/N=3,R=3,MsgSz=1024b/PULL[Ephemeral]-16	323MB/s ± 2MB/s	325MB/s ± 2MB/s	Inconclusive

Filtered Consumer throughput (op/s)

Error bars represent 90% confidence interval, benchmarks filter: 'JetStreamConsumeWithFilters/.*'

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	Previous	Latest	Δ%
JetStreamConsumeWithFilters/N=3,R=3,storage=Memory/D=100,DS=10,F=5,C=12-16	4.55k ± 0.14k	4.57k ± 0.11k	Inconclusive
JetStreamConsumeWithFilters/N=3,R=3,storage=Memory/D=1000,DS=10,F=25,C=12-16	1.48k ± 0.00k	1.47k ± 0.00k	-0.2%
JetStreamConsumeWithFilters/N=3,R=3,storage=Memory/D=10000,DS=10,F=50,C=12-16	170 ± 1	171 ± 0	+0.4%
JetStreamConsumeWithFilters/N=3,R=3,storage=File/D=100,DS=10,F=5,C=12-16	4.10k ± 0.00k	4.07k ± 0.00k	-0.6%
JetStreamConsumeWithFilters/N=3,R=3,storage=File/D=1000,DS=10,F=25,C=12-16	639 ± 3	629 ± 1	-1.5%
JetStreamConsumeWithFilters/N=3,R=3,storage=File/D=10000,DS=10,F=50,C=12-16	159 ± 4	157 ± 2	Inconclusive

Contiguous Filtered Consumer throughput (op/s)

Error bars represent 90% confidence interval, benchmarks filter: 'JetStreamConsumeFilteredContiguous/.*'

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	Previous	Latest	Δ%
JetStreamConsumeFilteredContiguous/N=3,R=3,storage=Memory,SF-16	15.2k ± 0.2k	15.1k ± 0.1k	Inconclusive
JetStreamConsumeFilteredContiguous/N=3,R=3,storage=Memory-16	15.1k ± 0.1k	15.1k ± 0.1k	Inconclusive
JetStreamConsumeFilteredContiguous/N=3,R=3,storage=File,SF-16	15.0k ± 0.0k	15.1k ± 0.0k	+0.8%
JetStreamConsumeFilteredContiguous/N=3,R=3,storage=File-16	14.9k ± 0.1k	15.0k ± 0.0k	Inconclusive

Single client Publish throughput (msg/s)

Error bars represent 90% confidence interval, benchmarks filter: 'JetStreamPublish/.*'

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	Previous	Latest	Δ%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Sync-16	14.6k ± 0.1k	14.5k ± 0.1k	-0.6%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Async[W:1000]-16	345k ± 2k	347k ± 1k	+0.7%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Async[W:4000]-16	338k ± 4k	341k ± 3k	+0.8%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Async[W:8000]-16	353k ± 4k	353k ± 5k	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Sync-16	13.8k ± 0.0k	13.9k ± 0.1k	+0.5%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Async[W:1000]-16	236k ± 3k	240k ± 1k	+1.8%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Async[W:4000]-16	233k ± 1k	235k ± 1k	+0.7%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Async[W:8000]-16	236k ± 1k	239k ± 1k	+1.2%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Sync-16	14.7k ± 0.1k	14.7k ± 0.1k	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Async[W:1000]-16	343k ± 1k	350k ± 5k	+2.2%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Async[W:4000]-16	336k ± 3k	340k ± 3k	+0.9%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Async[W:8000]-16	351k ± 4k	353k ± 4k	+0.7%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Sync-16	13.8k ± 0.1k	13.9k ± 0.1k	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Async[W:1000]-16	238k ± 2k	240k ± 1k	+0.9%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Async[W:4000]-16	233k ± 1k	235k ± 1k	+1.0%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Async[W:8000]-16	237k ± 1k	240k ± 1k	+1.4%

Single client Publish throughput (byte/s)

Error bars represent 90% confidence interval, benchmarks filter: 'JetStreamPublish/.*'

Show results table

	Previous	Latest	Δ%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Sync-16	150kB/s ± 0kB/s	146kB/s ± 4kB/s	-2.7%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Async[W:1000]-16	3.45MB/s ± 0.02MB/s	3.48MB/s ± 0.00MB/s	+0.8%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Async[W:4000]-16	3.38MB/s ± 0.03MB/s	3.41MB/s ± 0.03MB/s	+0.8%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Async[W:8000]-16	3.53MB/s ± 0.04MB/s	3.53MB/s ± 0.05MB/s	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Sync-16	14.2MB/s ± 0.0MB/s	14.2MB/s ± 0.1MB/s	+0.5%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Async[W:1000]-16	242MB/s ± 3MB/s	246MB/s ± 1MB/s	+1.8%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Async[W:4000]-16	239MB/s ± 1MB/s	240MB/s ± 1MB/s	+0.7%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Async[W:8000]-16	242MB/s ± 1MB/s	245MB/s ± 1MB/s	+1.3%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Sync-16	150kB/s ± 0kB/s	150kB/s ± 0kB/s	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Async[W:1000]-16	3.43MB/s ± 0.01MB/s	3.50MB/s ± 0.05MB/s	+2.2%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Async[W:4000]-16	3.37MB/s ± 0.02MB/s	3.40MB/s ± 0.02MB/s	+0.9%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Async[W:8000]-16	3.51MB/s ± 0.03MB/s	3.53MB/s ± 0.04MB/s	+0.7%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Sync-16	14.2MB/s ± 0.1MB/s	14.2MB/s ± 0.1MB/s	+0.4%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Async[W:1000]-16	243MB/s ± 2MB/s	246MB/s ± 1MB/s	+0.9%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Async[W:4000]-16	238MB/s ± 1MB/s	240MB/s ± 1MB/s	+1.0%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Async[W:8000]-16	242MB/s ± 1MB/s	246MB/s ± 1MB/s	+1.4%

Concurrent Publish throughput (msg/s)

Error bars represent 90% confidence interval, benchmarks filter: 'JetStreamPublishConcurrent/.*'

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	Previous	Latest	Δ%
JetStreamPublishConcurrent/N=3,R=3/msgSz=10b/pubs=12-16	92.7k ± 0.2k	93.1k ± 0.1k	+0.5%
JetStreamPublishConcurrent/N=3,R=3/msgSz=1024b/pubs=12-16	79.9k ± 0.2k	80.0k ± 0.4k	Inconclusive
JetStreamPublishConcurrent/N=3,R=3/msgSz=102400b/pubs=12-16	5.35k ± 0.02k	5.34k ± 0.01k	Inconclusive
JetStreamPublishConcurrent/N=3,R=3#01/msgSz=10b/pubs=12-16	92.7k ± 0.2k	92.9k ± 0.3k	Inconclusive
JetStreamPublishConcurrent/N=3,R=3#01/msgSz=1024b/pubs=12-16	80.0k ± 0.7k	80.2k ± 0.3k	+0.2%
JetStreamPublishConcurrent/N=3,R=3#01/msgSz=102400b/pubs=12-16	5.35k ± 0.02k	5.35k ± 0.01k	-0.2%

Concurrent Publish throughput (byte/s)

Error bars represent 90% confidence interval, benchmarks filter: 'JetStreamPublishConcurrent/.*'

Show results table

	Previous	Latest	Δ%
JetStreamPublishConcurrent/N=3,R=3/msgSz=10b/pubs=12-16	930kB/s ± 0kB/s	930kB/s ± 0kB/s	Inconclusive
JetStreamPublishConcurrent/N=3,R=3/msgSz=1024b/pubs=12-16	81.8MB/s ± 0.2MB/s	81.9MB/s ± 0.4MB/s	Inconclusive
JetStreamPublishConcurrent/N=3,R=3/msgSz=102400b/pubs=12-16	548MB/s ± 2MB/s	547MB/s ± 1MB/s	Inconclusive
JetStreamPublishConcurrent/N=3,R=3#01/msgSz=10b/pubs=12-16	930kB/s ± 0kB/s	930kB/s ± 0kB/s	Inconclusive
JetStreamPublishConcurrent/N=3,R=3#01/msgSz=1024b/pubs=12-16	81.9MB/s ± 0.8MB/s	82.1MB/s ± 0.3MB/s	+0.2%
JetStreamPublishConcurrent/N=3,R=3#01/msgSz=102400b/pubs=12-16	548MB/s ± 2MB/s	547MB/s ± 1MB/s	-0.2%