Iris channel performance — 2026-04-25

data.md

Iris Channel Performance — 2026-04-25 (full day)

Both nodes (a1 + b1), full day data (4693 log lines).

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Channel Joins (1840 total)

Channel	n	avg	p50	p95	p99	max
ChatChannel	1297	49ms	37ms	140ms	191ms	316ms
NotificationChannel	285	8ms	5ms	18ms	26ms	39ms
MeChannel	258	0ms	0ms	0ms	0ms	0ms

By topic type (ChatChannel):

Topic	n	avg	p50	p95	p99	max
persona:*	251	87ms	66ms	187ms	272ms	316ms
session:*	1046	40ms	32ms	97ms	135ms	261ms

Distribution: 71% under 50ms, 7% over 100ms. No joins over 500ms.

vs morning snapshot: p95 improved slightly (152ms → 140ms). Pattern stable, no regressions.

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Intent Preparation (1374 total)

Intent	n	avg	p50	p95	p99	max
user_engagement	7	441ms	182ms	1706ms	1706ms	1706ms
tool_continuation	212	303ms	309ms	751ms	955ms	1208ms
reply	1052	197ms	102ms	547ms	2185ms	2720ms
initiation	37	65ms	33ms	248ms	407ms	407ms
continuation	66	48ms	36ms	119ms	196ms	196ms

By platform:

Platform	n	avg	p50	p95	p99	max
iOS	436	390ms	230ms	1901ms	2474ms	2720ms
android	30	215ms	203ms	460ms	477ms	477ms
web_staging	4	169ms	210ms	255ms	255ms	255ms
web	897	111ms	74ms	358ms	453ms	2481ms

Notable: reply avg improved 317ms → 197ms vs morning. tool_continuation 399ms → 303ms. iOS voice reply long tail unchanged — same top 10 worst cases as morning, no new outliers. web_staging appeared as new platform (4 events).

Distribution: 47% under 100ms, 1% over 2s.

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Reload Events (5 total)

avg=40ms p50=34ms p95=69ms max=69ms — negligible.

iris-channel-performance-2026-04-25.md

Iris Channel Performance — 2026-04-25

Both nodes (a1 + b1), ~5 hours of data.

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Channel Joins (919 total)

Channel	n	avg	p50	p95	p99	max
ChatChannel	613	53ms	40ms	152ms	220ms	316ms
NotificationChannel	158	9ms	7ms	20ms	36ms	39ms
MeChannel	148	0ms	0ms	0ms	0ms	0ms

By topic type (ChatChannel):

Topic	n	avg	p50	p95	p99	max
persona:*	143	88ms	65ms	191ms	299ms	316ms
session:*	470	42ms	32ms	111ms	172ms	261ms

persona:* joins are ~2x slower than session:* because they run a DB transaction (insert session + delete/insert instruction set attachments). Expected.

Distribution: 72% under 50ms, 8% over 100ms.

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Intent Preparation (455 total)

Intent	n	avg	p50	p95	p99	max
user_engagement	2	1172ms	—	—	—	1706ms
tool_continuation	71	399ms	322ms	953ms	1208ms	1208ms
reply	332	317ms	102ms	2093ms	2527ms	2720ms
initiation	16	73ms	53ms	248ms	—	248ms
continuation	34	53ms	33ms	137ms	—	196ms

By platform:

Platform	n	avg	p50	p95	max
iOS	154	685ms	359ms	2200ms	2720ms
android	17	233ms	242ms	477ms	477ms
web	282	96ms	61ms	318ms	2481ms

Notable: reply+voice on iOS has a long tail — p95 at 2200ms, 10 hits above 2s. Web is healthy (96ms avg). tool_continuation consistently ~400ms.

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Reload Events (3 total)

avg=51ms p50=49ms p95=69ms max=69ms — negligible, all under 70ms.