Comparison: JetStream Object Store

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4067cfcb-e5b5-4e11-8099-8d8d3f99065e main
https://github.com/nats-io/nats-server.git
(d9dd620b1af65e84efe439357f9cd3ae8e2ad84e)		 BenchmarkJetStreamObjStore/.*,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 2026-08-08 04:26:36 +0000 UTC
cb334ee9-1b08-4e19-9c07-58c4a7d579a8 v2.14.3
https://github.com/nats-io/nats-server.git
(54a1a0713438ef03e7401c1537f6495b11af0d18)		 BenchmarkJetStreamObjStore/.*,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 2026-07-01 10:20:31 +0000 UTC

Read-only Throughput (get/s)

Error bars represent 90% confidence interval, benchmarks filter: '.*R=3/workload=readOnly'

Show results table
main v2.14.3 Δ%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 1.97k ± 0.04k 1.99k ± 0.03k +0.9%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 886 ± 3 888 ± 3 +0.2%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 1.92k ± 0.03k 1.93k ± 0.01k Inconclusive
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 1.94k ± 0.00k 1.95k ± 0.01k Inconclusive
JetStreamObjStore/N=3,R=3/workload=readOnly/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 595 ± 9 340 ± 9 -54.4%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 792 ± 1 726 ± 4 -8.6%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 127 ± 0 112 ± 1 -12.7%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 15.6 ± 0.3 15.5 ± 0.2 Inconclusive

Read-only Throughput (bytes/s)

Error bars represent 90% confidence interval, benchmarks filter: '.*R=3/workload=readOnly'

Show results table
main v2.14.3 Δ%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 102MB/s ± 2MB/s 103MB/s ± 2MB/s +0.9%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 510MB/s ± 1MB/s 511MB/s ± 2MB/s +0.2%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 108MB/s ± 2MB/s 109MB/s ± 1MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 100MB/s ± 0MB/s 101MB/s ± 1MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=readOnly/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 315MB/s ± 5MB/s 180MB/s ± 5MB/s -42.8%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 456MB/s ± 1MB/s 418MB/s ± 2MB/s -8.3%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 733MB/s ± 0MB/s 645MB/s ± 6MB/s -12.0%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 899MB/s ± 19MB/s 897MB/s ± 12MB/s Inconclusive

Write-only Throughput (put/s)

Error bars represent 90% confidence interval, benchmarks filter: '.*R=3/workload=writeOnly'

Show results table
main v2.14.3 Δ%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 1.95k ± 0.00k 1.95k ± 0.01k Inconclusive
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 702 ± 3 702 ± 4 Inconclusive
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 1.77k ± 0.01k 1.78k ± 0.00k +0.3%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 1.78k ± 0.00k 1.79k ± 0.01k +0.2%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 396 ± 3 229 ± 2 -53.2%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 560 ± 2 529 ± 2 -5.7%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 67.3 ± 0.6 59.9 ± 0.4 -11.5%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 7.63 ± 0.04 7.65 ± 0.22 Inconclusive

Write-only Throughput (bytes/s)

Error bars represent 90% confidence interval, benchmarks filter: '.*R=3/workload=writeOnly'

Show results table
main v2.14.3 Δ%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 101MB/s ± 0MB/s 101MB/s ± 1MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 404MB/s ± 2MB/s 404MB/s ± 2MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 100MB/s ± 1MB/s 100MB/s ± 0MB/s +0.3%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 92.2MB/s ± 0.0MB/s 92.4MB/s ± 0.5MB/s +0.2%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 209MB/s ± 2MB/s 121MB/s ± 1MB/s -42.0%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 322MB/s ± 1MB/s 304MB/s ± 1MB/s -5.6%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 388MB/s ± 4MB/s 346MB/s ± 2MB/s -10.9%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 440MB/s ± 2MB/s 441MB/s ± 13MB/s Inconclusive

Mixed (read & writes) workload throughput (ops/s)

Error bars represent 90% confidence interval, benchmarks filter: '.*R=3/workload=[0-9.]+'

Show results table
main v2.14.3 Δ%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 1.88k ± 0.01k 1.89k ± 0.01k +0.6%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 806 ± 3 807 ± 4 Inconclusive
JetStreamObjStore/N=3,R=3/workload=0.8/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 1.81k ± 0.01k 1.83k ± 0.01k +0.9%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 1.83k ± 0.01k 1.83k ± 0.01k +0.5%
JetStreamObjStore/N=3,R=3/workload=0.8/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 526 ± 18 317 ± 4 -49.4%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 723 ± 3 703 ± 5 -2.8%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 106 ± 0 93.6 ± 0.2 -12.7%
JetStreamObjStore/N=3,R=3/workload=0.8/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 11.4 ± 0.1 11.3 ± 0.1 -0.9%

Mixed (read & writes) workload throughput (bytes/s)

Error bars represent 90% confidence interval, benchmarks filter: '.*R=3/workload=[0-9.]+'

Show results table
main v2.14.3 Δ%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 97.0MB/s ± 0.4MB/s 97.6MB/s ± 0.7MB/s +0.6%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 459MB/s ± 7MB/s 464MB/s ± 2MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=0.8/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 102MB/s ± 0MB/s 103MB/s ± 0MB/s +0.9%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 94.4MB/s ± 0.3MB/s 94.8MB/s ± 0.5MB/s +0.5%
JetStreamObjStore/N=3,R=3/workload=0.8/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 278MB/s ± 9MB/s 168MB/s ± 2MB/s -39.6%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 416MB/s ± 2MB/s 405MB/s ± 3MB/s -2.8%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 613MB/s ± 3MB/s 540MB/s ± 1MB/s -12.0%
JetStreamObjStore/N=3,R=3/workload=0.8/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 658MB/s ± 7MB/s 653MB/s ± 4MB/s -0.9%

File store throughput (bytes/s)

Error bars represent 90% confidence interval, benchmarks filter: '.*R=3/.*storage=File'

Show results table
main v2.14.3 Δ%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 100MB/s ± 0MB/s 101MB/s ± 1MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=readOnly/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 315MB/s ± 5MB/s 180MB/s ± 5MB/s -42.8%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 456MB/s ± 1MB/s 418MB/s ± 2MB/s -8.3%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 733MB/s ± 0MB/s 645MB/s ± 6MB/s -12.0%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 899MB/s ± 19MB/s 897MB/s ± 12MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 92.2MB/s ± 0.0MB/s 92.4MB/s ± 0.5MB/s +0.2%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 209MB/s ± 2MB/s 121MB/s ± 1MB/s -42.0%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 322MB/s ± 1MB/s 304MB/s ± 1MB/s -5.6%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 388MB/s ± 4MB/s 346MB/s ± 2MB/s -10.9%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 440MB/s ± 2MB/s 441MB/s ± 13MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 94.4MB/s ± 0.3MB/s 94.8MB/s ± 0.5MB/s +0.5%
JetStreamObjStore/N=3,R=3/workload=0.8/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 278MB/s ± 9MB/s 168MB/s ± 2MB/s -39.6%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 416MB/s ± 2MB/s 405MB/s ± 3MB/s -2.8%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 613MB/s ± 3MB/s 540MB/s ± 1MB/s -12.0%
JetStreamObjStore/N=3,R=3/workload=0.8/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 658MB/s ± 7MB/s 653MB/s ± 4MB/s -0.9%

Memory store throughput (bytes/s)

Error bars represent 90% confidence interval, benchmarks filter: '.*R=3/.*storage=Memory'

Show results table
main v2.14.3 Δ%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 102MB/s ± 2MB/s 103MB/s ± 2MB/s +0.9%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 510MB/s ± 1MB/s 511MB/s ± 2MB/s +0.2%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 108MB/s ± 2MB/s 109MB/s ± 1MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 101MB/s ± 0MB/s 101MB/s ± 1MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 404MB/s ± 2MB/s 404MB/s ± 2MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 100MB/s ± 1MB/s 100MB/s ± 0MB/s +0.3%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 97.0MB/s ± 0.4MB/s 97.6MB/s ± 0.7MB/s +0.6%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 459MB/s ± 7MB/s 464MB/s ± 2MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=0.8/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 102MB/s ± 0MB/s 103MB/s ± 0MB/s +0.9%