Zoom Pool Capacity Planning

Zoom Pool License Cap Estimate

This dashboard estimates the Zoom licence cap required for pooled sessions to run without exhausting available rooms. It uses final scheduled pooled bookables plus the live allocator's 10-minute buffer, which makes the numbers directly relevant to capacity planning instead of raw slot grouping.

Date Range
2026-04-12 to 2026-04-20
Timezone
Africa/Cairo
Managed Room Domain
ischool.managed
Generated
2026-04-21 16:02 EET
Observed Peak Demand
678
Peak buffered overlap at 20:00-20:10 on Saturday, 2026-04-18.
Current Active Pool
864
Live managed room count at report time.
Headroom At Peak
186
21.5% of the pool remained free at the busiest observed moment.
Primary Cap Recommendation
780
Balanced planning target using Peak + 15%.

Capacity Recommendation

The current pool does not look capacity-bound on this week's final schedule. The system peak used 78.5% of the live pool, leaving 186 rooms free.

Capacity Ladder

Each bar is scaled against the current 864-room pool.

Observed peak
678
Peak + 10%
746
Peak + 15%
780
Peak + 20%
814
Current pool
864
Recommendation A 780-room cap is the balanced planning target from this dataset. The current 864-room pool still sits 84 rooms above that.

Peak Composition

BU mix during the busiest buffered overlap window, when total demand hit 678.

B2C Share 284 rooms
41.9% of peak
B2B Share 4 rooms
0.6% of peak
B2G Share 390 rooms
57.5% of peak
B2C B2B B2G

Daily Peak Demand

Each row shows the busiest buffered overlap window for that day. The full bar width represents the current pool cap.

Sun 2026-04-12
20:00-20:40
288 rooms
33.3% util.
Mon 2026-04-13
07:00-07:10
7 rooms
0.8% util.
Tue 2026-04-14
20:00-20:40
280 rooms
32.4% util.
Wed 2026-04-15
19:30-19:40
82 rooms
9.5% util.
Thu 2026-04-16
20:00-20:10
13 rooms
1.5% util.
Fri 2026-04-17
15:30-15:40
594 rooms
68.8% util.
Sat 2026-04-18
20:00-20:10
678 rooms
78.5% util.
Sun 2026-04-19
20:00-20:40
312 rooms
36.1% util.
Mon 2026-04-20
19:30-19:40
302 rooms
35.0% util.
Tue 2026-04-21
00:00-00:10
2 rooms
0.2% util.
B2C B2B B2G Current pool cap

Useful Supporting Statistics

These are the numbers that help decide whether a cap increase is warranted or whether the issue is elsewhere in the warmup flow.

Buffered Load Mix

Total buffered hours and bookable counts by business unit. This shows where the weekly workload actually sits.

B2C
7,105 bookables
8289.2 hrs
46.3% share
B2B
267 bookables
396.8 hrs
2.2% share
B2G
3,481 bookables
9216.2 hrs
51.5% share

Time Near Cap

Minutes spent at or above selected demand thresholds across the whole week.

≥ 500
330.0 min
≥ 600
210.0 min
≥ 700
0.0 min
≥ 800
0.0 min
Capacity signal The system spent 0.0 minutes at or above the current cap. In this dataset, that value is zero.

Utilization Distribution

Time-weighted concurrency statistics compared with the live pool size.

Average active
74
Median active
2
P95 active
481
P99 active
612
Observed peak
678

Why The `pool_exhausted` Noise Matters Less Than It Looks

The noisy events are concentrated in a small number of B2G warmup windows, but the final concurrent schedule still stays below the live pool cap.

B2G
2026-04-18 18:00-20:30
242 events
B2G
2026-04-17 16:00-18:30
129 events
B2G
2026-04-18 12:00-14:30
88 events
B2B
2026-04-18 12:00-13:30
7 events
B2B
2026-04-17 16:00-17:30
4 events
Read this carefully These spikes should not be treated as proof that raw licence count is too low. In this week, the final buffered schedule never exceeded 678 rooms, even though the pool had 864 available.

Evidence Tables

These tables back the recommendation and make it easier to cross-check the charts.

Daily Peak Windows

Date Peak Window B2C B2B B2G Total Utilization
2026-04-12
Sun		 20:00-20:40 267 6 15 288 33.3%
2026-04-13
Mon		 07:00-07:10 0 7 0 7 0.8%
2026-04-14
Tue		 20:00-20:40 273 7 0 280 32.4%
2026-04-15
Wed		 19:30-19:40 76 3 3 82 9.5%
2026-04-16
Thu		 20:00-20:10 0 7 6 13 1.5%
2026-04-17
Fri		 15:30-15:40 112 8 474 594 68.8%
2026-04-18
Sat		 20:00-20:10 284 4 390 678 78.5%
2026-04-19
Sun		 20:00-20:40 290 7 15 312 36.1%
2026-04-20
Mon		 19:30-19:40 294 7 1 302 35.0%
2026-04-21
Tue		 00:00-00:10 2 0 0 2 0.2%

Business Unit Peaks

BU Peak Window Peak Active
B2C 2026-04-18 15:00-15:10 298
B2B 2026-04-18 13:00-13:10 11
B2G 2026-04-17 10:00-11:10 490

Top Pressure Windows

Window B2C B2B B2G Total
20:00-20:10 284 4 390 678
20:30-20:40 284 3 390 677
20:10-20:30 284 2 390 676
19:30-20:00 284 4 385 673
18:00-18:10 264 1 389 654
18:30-19:10 264 2 388 654
18:10-18:30 264 0 388 652
15:00-15:10 298 10 304 612

Pool-Exhausted Event Concentration

Date BU Scheduled Window Events
2026-04-18
Sat		 B2G 18:00-20:30 242
2026-04-17
Fri		 B2G 16:00-18:30 129
2026-04-18
Sat		 B2G 12:00-14:30 88
2026-04-18
Sat		 B2B 12:00-13:30 7
2026-04-17
Fri		 B2B 16:00-17:30 4

Data-backed Claim

This week's final buffered schedule required 678 rooms at most. The current pool has 864, so the system never came close to a raw licence ceiling.

What To Investigate Instead

  • B2G host-safe recovery and reassignment logic during warmup.
  • Why retained rooms still trigger `pool_exhausted` recovery attempts.
  • Whether some B2G sessions are over-concentrated into a few synchronized warmup windows.

Practical Decision

If you want a balanced operating cap based on this data alone, use 780. If you want a conservative cushion, 814 still stays below the current pool.