Comparison: JetStream

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Job	Source	Filter	Repetitions	Go	Worker	Job Info
00e42d9f-9bf3-4de8-8d41-a572b4ed9337	main https://github.com/nats-io/nats-server.git (f7d78f68993c74af5674fa49898481e3ee6a15a1)	BenchmarkJetStream(Publish\|Consume)./.R=3.*	5 x 3s	go version go1.26.3 linux/amd64 (/usr/local/go1.26.3/bin/go)	dev (?) gauge-go-bench-away Linux_6.18.5+deb14-amd64-x86_64	Submitted by at 2026-06-15 05:56:23 +0000 UTC
5778a9c2-3f52-4407-aea0-15c2a4c4767d	main https://github.com/nats-io/nats-server.git (c16afd1db4006237eb156ccaa77117f1ecd1835a)	BenchmarkJetStream(Publish\|Consume)./.R=3.*	5 x 3s	go version go1.26.3 linux/amd64 (/usr/local/go1.26.3/bin/go)	dev (?) gauge-go-bench-away Linux_6.18.5+deb14-amd64-x86_64	Submitted by at 2026-06-16 05:58:36 +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	631k ± 60k	656k ± 33k	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Async,Ephemeral]-16	646k ± 6k	705k ± 93k	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Async,Ordered]-16	1.32M ± 0.04M	1.30M ± 0.06M	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Async,Durable]-16	491k ± 31k	483k ± 42k	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PUSH[Sync,Ephemeral]-16	466k ± 2k	465k ± 2k	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PUSH[Async,Ephemeral]-16	567k ± 46k	554k ± 66k	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PUSH[Async,Durable]-16	404k ± 25k	408k ± 27k	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	6.31MB/s ± 0.61MB/s	6.56MB/s ± 0.33MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Async,Ephemeral]-16	6.46MB/s ± 0.06MB/s	7.06MB/s ± 0.93MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Async,Ordered]-16	13.2MB/s ± 0.4MB/s	13.0MB/s ± 0.6MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=10b/PUSH[Async,Durable]-16	4.91MB/s ± 0.31MB/s	4.82MB/s ± 0.42MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PUSH[Sync,Ephemeral]-16	477MB/s ± 2MB/s	476MB/s ± 2MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PUSH[Async,Ephemeral]-16	581MB/s ± 47MB/s	567MB/s ± 68MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PUSH[Async,Durable]-16	414MB/s ± 25MB/s	417MB/s ± 28MB/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	264k ± 1k	302k ± 26k	+13.3%
JetStreamConsume/N=3,R=3,MsgSz=10b/PULL[Ephemeral]-16	410k ± 53k	372k ± 5k	-9.7%
JetStreamConsume/N=3,R=3,MsgSz=1024b/PULL[Durable]-16	226k ± 1k	226k ± 1k	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PULL[Ephemeral]-16	317k ± 2k	316k ± 1k	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	2.64MB/s ± 0.01MB/s	3.02MB/s ± 0.26MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=10b/PULL[Ephemeral]-16	4.10MB/s ± 0.53MB/s	3.72MB/s ± 0.05MB/s	-9.3%
JetStreamConsume/N=3,R=3,MsgSz=1024b/PULL[Durable]-16	231MB/s ± 1MB/s	231MB/s ± 1MB/s	Inconclusive
JetStreamConsume/N=3,R=3,MsgSz=1024b/PULL[Ephemeral]-16	325MB/s ± 2MB/s	324MB/s ± 1MB/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	3.98k ± 0.07k	4.04k ± 0.03k	+1.5%
JetStreamConsumeWithFilters/N=3,R=3,storage=Memory/D=1000,DS=10,F=25,C=12-16	1.45k ± 0.00k	1.45k ± 0.01k	Inconclusive
JetStreamConsumeWithFilters/N=3,R=3,storage=Memory/D=10000,DS=10,F=50,C=12-16	169 ± 0	168 ± 1	-0.5%
JetStreamConsumeWithFilters/N=3,R=3,storage=File/D=100,DS=10,F=5,C=12-16	3.85k ± 0.03k	3.81k ± 0.03k	-0.9%
JetStreamConsumeWithFilters/N=3,R=3,storage=File/D=1000,DS=10,F=25,C=12-16	634 ± 1	622 ± 2	-2.0%
JetStreamConsumeWithFilters/N=3,R=3,storage=File/D=10000,DS=10,F=50,C=12-16	161 ± 2	158 ± 2	-1.8%

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	15.2k ± 0.2k	Inconclusive
JetStreamConsumeFilteredContiguous/N=3,R=3,storage=Memory-16	15.1k ± 0.0k	15.1k ± 0.0k	Inconclusive
JetStreamConsumeFilteredContiguous/N=3,R=3,storage=File,SF-16	15.0k ± 0.0k	15.0k ± 0.0k	Inconclusive
JetStreamConsumeFilteredContiguous/N=3,R=3,storage=File-16	14.9k ± 0.0k	14.9k ± 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	14.4k ± 0.1k	14.5k ± 0.1k	+0.9%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Async[W:1000]-16	339k ± 4k	333k ± 3k	-1.7%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Async[W:4000]-16	332k ± 2k	328k ± 4k	-1.1%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Async[W:8000]-16	344k ± 0k	342k ± 2k	-0.5%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Sync-16	13.8k ± 0.1k	13.7k ± 0.2k	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Async[W:1000]-16	235k ± 2k	234k ± 2k	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Async[W:4000]-16	231k ± 1k	230k ± 2k	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Async[W:8000]-16	235k ± 1k	234k ± 2k	-0.6%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Sync-16	14.5k ± 0.1k	14.5k ± 0.0k	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Async[W:1000]-16	337k ± 3k	337k ± 3k	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Async[W:4000]-16	332k ± 2k	330k ± 3k	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Async[W:8000]-16	344k ± 4k	342k ± 3k	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Sync-16	13.7k ± 0.1k	13.7k ± 0.1k	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Async[W:1000]-16	233k ± 1k	233k ± 1k	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Async[W:4000]-16	232k ± 0k	230k ± 2k	-0.6%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Async[W:8000]-16	235k ± 2k	233k ± 1k	-0.7%

Single client Publish throughput (byte/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	140kB/s ± 0kB/s	146kB/s ± 4kB/s	+4.3%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Async[W:1000]-16	3.39MB/s ± 0.04MB/s	3.33MB/s ± 0.04MB/s	-1.7%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Async[W:4000]-16	3.32MB/s ± 0.02MB/s	3.28MB/s ± 0.04MB/s	-1.1%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1/Async[W:8000]-16	3.44MB/s ± 0.01MB/s	3.42MB/s ± 0.02MB/s	-0.6%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Sync-16	14.1MB/s ± 0.1MB/s	14.1MB/s ± 0.2MB/s	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Async[W:1000]-16	241MB/s ± 3MB/s	240MB/s ± 2MB/s	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Async[W:4000]-16	237MB/s ± 1MB/s	236MB/s ± 2MB/s	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1/Async[W:8000]-16	241MB/s ± 1MB/s	239MB/s ± 2MB/s	-0.6%
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Sync-16	146kB/s ± 4kB/s	150kB/s ± 0kB/s	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Async[W:1000]-16	3.37MB/s ± 0.03MB/s	3.37MB/s ± 0.02MB/s	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Async[W:4000]-16	3.32MB/s ± 0.02MB/s	3.30MB/s ± 0.03MB/s	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=10b,Subjs=1#01/Async[W:8000]-16	3.44MB/s ± 0.04MB/s	3.42MB/s ± 0.03MB/s	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Sync-16	14.0MB/s ± 0.1MB/s	14.1MB/s ± 0.1MB/s	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Async[W:1000]-16	239MB/s ± 1MB/s	239MB/s ± 1MB/s	Inconclusive
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Async[W:4000]-16	237MB/s ± 0MB/s	236MB/s ± 2MB/s	-0.6%
JetStreamPublish/N=3,R=3,MsgSz=1024b,Subjs=1#01/Async[W:8000]-16	241MB/s ± 2MB/s	239MB/s ± 1MB/s	-0.7%

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	91.5k ± 0.1k	91.5k ± 0.1k	Inconclusive
JetStreamPublishConcurrent/N=3,R=3/msgSz=1024b/pubs=12-16	78.8k ± 0.3k	78.9k ± 0.2k	Inconclusive
JetStreamPublishConcurrent/N=3,R=3/msgSz=102400b/pubs=12-16	5.33k ± 0.02k	5.34k ± 0.01k	+0.3%
JetStreamPublishConcurrent/N=3,R=3#01/msgSz=10b/pubs=12-16	91.6k ± 0.0k	91.5k ± 0.2k	Inconclusive
JetStreamPublishConcurrent/N=3,R=3#01/msgSz=1024b/pubs=12-16	78.9k ± 0.1k	78.8k ± 0.1k	Inconclusive
JetStreamPublishConcurrent/N=3,R=3#01/msgSz=102400b/pubs=12-16	5.35k ± 0.03k	5.33k ± 0.03k	-0.5%

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	920kB/s ± 0kB/s	914kB/s ± 6kB/s	-0.7%
JetStreamPublishConcurrent/N=3,R=3/msgSz=1024b/pubs=12-16	80.7MB/s ± 0.3MB/s	80.8MB/s ± 0.2MB/s	Inconclusive
JetStreamPublishConcurrent/N=3,R=3/msgSz=102400b/pubs=12-16	545MB/s ± 2MB/s	547MB/s ± 1MB/s	+0.3%
JetStreamPublishConcurrent/N=3,R=3#01/msgSz=10b/pubs=12-16	920kB/s ± 0kB/s	914kB/s ± 6kB/s	-0.7%
JetStreamPublishConcurrent/N=3,R=3#01/msgSz=1024b/pubs=12-16	80.8MB/s ± 0.1MB/s	80.7MB/s ± 0.1MB/s	Inconclusive
JetStreamPublishConcurrent/N=3,R=3#01/msgSz=102400b/pubs=12-16	548MB/s ± 3MB/s	546MB/s ± 3MB/s	-0.5%