Comparison: JetStream Object Store

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07e1ffdf-d737-4469-927e-5d5306477861 main
https://github.com/nats-io/nats-server.git
(51fbade1ed5aa9cd026e6be57ad9b0c6272f6709)		 BenchmarkJetStreamObjStore/.*,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 06:57:01 +0000 UTC
32ba4e1c-b4c0-4d2d-9219-51f38167f35d v2.12.4
https://github.com/nats-io/nats-server.git
(2429cd357a0837d7f936b5124e5ffb428b97ce79)		 BenchmarkJetStreamObjStore/.*,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 2026-02-24 18:32:22 +0000 UTC

Read-only Throughput (get/s)

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

Show results table
main v2.12.4 Δ%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 2.08k ± 0.01k 2.16k ± 0.04k +3.6%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 896 ± 5 909 ± 5 +1.5%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 2.00k ± 0.02k 2.08k ± 0.02k +3.8%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 2.04k ± 0.02k 2.10k ± 0.04k +3.0%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 346 ± 3 341 ± 6 -1.4%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 725 ± 7 725 ± 6 Inconclusive
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 113 ± 1 113 ± 1 Inconclusive
JetStreamObjStore/N=3,R=3/workload=readOnly/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 15.5 ± 0.2 15.5 ± 0.3 Inconclusive

Read-only Throughput (bytes/s)

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

Show results table
main v2.12.4 Δ%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 108MB/s ± 1MB/s 111MB/s ± 2MB/s +3.7%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 515MB/s ± 3MB/s 523MB/s ± 3MB/s +1.5%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 113MB/s ± 1MB/s 117MB/s ± 1MB/s +3.9%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 105MB/s ± 1MB/s 109MB/s ± 2MB/s +3.1%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 183MB/s ± 2MB/s 181MB/s ± 3MB/s -1.4%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 417MB/s ± 4MB/s 417MB/s ± 4MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 651MB/s ± 8MB/s 654MB/s ± 8MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=readOnly/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 895MB/s ± 12MB/s 891MB/s ± 16MB/s Inconclusive

Write-only Throughput (put/s)

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

Show results table
main v2.12.4 Δ%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 1.98k ± 0.01k 1.99k ± 0.00k +0.5%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 724 ± 2 725 ± 4 Inconclusive
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 1.96k ± 0.01k 1.96k ± 0.01k +0.4%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 1.79k ± 0.01k 1.80k ± 0.01k +0.8%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 229 ± 2 232 ± 2 +1.3%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 530 ± 6 537 ± 7 +1.4%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 59.9 ± 0.2 61.5 ± 0.4 +2.6%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 7.62 ± 0.20 7.66 ± 0.23 +0.5%

Write-only Throughput (bytes/s)

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

Show results table
main v2.12.4 Δ%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 102MB/s ± 0MB/s 103MB/s ± 0MB/s +0.5%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 417MB/s ± 1MB/s 417MB/s ± 2MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 110MB/s ± 0MB/s 111MB/s ± 0MB/s +0.4%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 92.5MB/s ± 0.3MB/s 93.3MB/s ± 0.3MB/s +0.8%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 121MB/s ± 1MB/s 123MB/s ± 1MB/s +1.3%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 305MB/s ± 4MB/s 309MB/s ± 4MB/s +1.4%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 345MB/s ± 1MB/s 354MB/s ± 2MB/s +2.6%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 439MB/s ± 11MB/s 442MB/s ± 13MB/s +0.5%

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

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

Show results table
main v2.12.4 Δ%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 1.96k ± 0.02k 2.00k ± 0.01k +1.9%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 820 ± 5 823 ± 6 +0.4%
JetStreamObjStore/N=3,R=3/workload=0.8/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 1.93k ± 0.02k 1.97k ± 0.03k +2.5%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 1.89k ± 0.01k 1.94k ± 0.04k +2.6%
JetStreamObjStore/N=3,R=3/workload=0.8/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 320 ± 5 324 ± 4 +1.3%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 707 ± 3 702 ± 12 Inconclusive
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 93.4 ± 0.6 94.0 ± 1.1 +0.6%
JetStreamObjStore/N=3,R=3/workload=0.8/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 11.2 ± 0.1 11.4 ± 0.1 +1.2%

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

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

Show results table
main v2.12.4 Δ%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 101MB/s ± 1MB/s 103MB/s ± 1MB/s +1.9%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 466MB/s ± 8MB/s 474MB/s ± 4MB/s +1.6%
JetStreamObjStore/N=3,R=3/workload=0.8/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 108MB/s ± 1MB/s 111MB/s ± 2MB/s +2.5%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 97.9MB/s ± 0.4MB/s 100MB/s ± 2MB/s +2.7%
JetStreamObjStore/N=3,R=3/workload=0.8/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 169MB/s ± 3MB/s 172MB/s ± 2MB/s +1.3%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 407MB/s ± 2MB/s 404MB/s ± 7MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 539MB/s ± 3MB/s 542MB/s ± 6MB/s +0.6%
JetStreamObjStore/N=3,R=3/workload=0.8/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 648MB/s ± 4MB/s 656MB/s ± 4MB/s +1.2%

File store throughput (bytes/s)

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

Show results table
main v2.12.4 Δ%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 105MB/s ± 1MB/s 109MB/s ± 2MB/s +3.1%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 183MB/s ± 2MB/s 181MB/s ± 3MB/s -1.4%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 417MB/s ± 4MB/s 417MB/s ± 4MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 651MB/s ± 8MB/s 654MB/s ± 8MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=readOnly/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 895MB/s ± 12MB/s 891MB/s ± 16MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 92.5MB/s ± 0.3MB/s 93.3MB/s ± 0.3MB/s +0.8%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 121MB/s ± 1MB/s 123MB/s ± 1MB/s +1.3%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 305MB/s ± 4MB/s 309MB/s ± 4MB/s +1.4%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 345MB/s ± 1MB/s 354MB/s ± 2MB/s +2.6%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 439MB/s ± 11MB/s 442MB/s ± 13MB/s +0.5%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=1024b,maxObjSz=102400b-16 97.9MB/s ± 0.4MB/s 100MB/s ± 2MB/s +2.7%
JetStreamObjStore/N=3,R=3/workload=0.8/K=1000,storage=File,minObjSz=10240b,maxObjSz=1048576b-16 169MB/s ± 3MB/s 172MB/s ± 2MB/s +1.3%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=102400b,maxObjSz=1048576b-16 407MB/s ± 2MB/s 404MB/s ± 7MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=File,minObjSz=1048576b,maxObjSz=10485760b-16 539MB/s ± 3MB/s 542MB/s ± 6MB/s +0.6%
JetStreamObjStore/N=3,R=3/workload=0.8/K=10,storage=File,minObjSz=10485760b,maxObjSz=104857600b-16 648MB/s ± 4MB/s 656MB/s ± 4MB/s +1.2%

Memory store throughput (bytes/s)

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

Show results table
main v2.12.4 Δ%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 108MB/s ± 1MB/s 111MB/s ± 2MB/s +3.7%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 515MB/s ± 3MB/s 523MB/s ± 3MB/s +1.5%
JetStreamObjStore/N=3,R=3/workload=readOnly/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 113MB/s ± 1MB/s 117MB/s ± 1MB/s +3.9%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 102MB/s ± 0MB/s 103MB/s ± 0MB/s +0.5%
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 417MB/s ± 1MB/s 417MB/s ± 2MB/s Inconclusive
JetStreamObjStore/N=3,R=3/workload=writeOnly/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 110MB/s ± 0MB/s 111MB/s ± 0MB/s +0.4%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=Memory,minObjSz=1024b,maxObjSz=102400b-16 101MB/s ± 1MB/s 103MB/s ± 1MB/s +1.9%
JetStreamObjStore/N=3,R=3/workload=0.8/K=100,storage=Memory,minObjSz=102400b,maxObjSz=1048576b-16 466MB/s ± 8MB/s 474MB/s ± 4MB/s +1.6%
JetStreamObjStore/N=3,R=3/workload=0.8/K=1000,storage=Memory,minObjSz=10240b,maxObjSz=102400b-16 108MB/s ± 1MB/s 111MB/s ± 2MB/s +2.5%