- Max number of service bus namespaces: 50 per Azure Acccount
- Expected transactions per second: 2,000 per queue
- Expected latency: 100 ms
- Max message size: 256 KB (Max header size 64kb)
- Max message TTL: Unlimited
- Max queue size: up to 5 GB
- Queue size options: 1-5 GB (queue cannot be resized once created)
- Max number of queues: 10,000 per service bus namespace
soft limit - Ordering guarantee: Yes (through the use of messaging sessions)
- Lease / Lock duration: 60 seconds (default) (can bre renewed using the RenewLock API)
- Naming constraints: queues names no longer than 260 chars (case sensitive)
- SLA: 99.9%
- Queue Space Consumption: Number Of Messages * (Message Body Size + Message Header Size)
- Topic Space Consumption: Number Of Messages * (Message Body Size + (Message Header Size * Number Of Subscriptions))
Capacity Approximations:
| Message Size | 1 GB Queue | 2 GB Queue | 3 GB Queue | 4 GB Queue | 5 GB Queue |
|---|---|---|---|---|---|
| 1 KB | 1,041,790 | 2,059,920 | 3,128,550 | 4,186,400 | 5,238,750 |
| 10 KB | 102,996 | 208,358 | 312,537 | 416,716 | 520,895 |
| 50 KB | 20,857 | 41,792 | 62,507 | 83,343 | 104,179 |
| 100 KB | 10,466 | 20,836 | 31,254 | 41,672 | 52,090 |
| 250 KB | 4,191 | 8,334 | 12,501 | 16,669 | 20,836 |
- SLA: 99.9%