azoth-balancer 0.3.0

Rust-based high-performance RPC load balancer offering intelligent 3-tier endpoint routing, failover, rate limiting, and monitoring for reliable, low-latency blockchain operations.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93

[server]
bind_addr = "0.0.0.0:8549"

[balancer]
health_check_interval_secs = 12
health_check_timeout_secs = 3
base_cooldown_secs = 1
max_cooldown_secs = 9
max_batch_size = 200
max_concurrency = 200

# These settings are applied at startup. A restart is required to change them.
connect_timeout_ms = 300 # Time to wait for a connection to be established (milliseconds)
timeout_secs = 3 # Total request timeout (seconds)
pool_idle_timeout_secs = 25 # How long an idle connection is kept in the pool (seconds)
pool_max_idle_per_host = 200 # Max number of idle connections to a single host

# A value between 0.0 and 1.0. Smaller is smoother (slower reaction). Resolves ties when multiple Tier 2 endpoints have similar latency.
# Larger is less smooth (faster reaction). Default is 0.1.
latency_smoothing_factor = 0.1



# Endpoint configuration starts here.
# Each endpoint is defined in its own [[balancer.endpoints]] block.



## Local RPC (tier 1)

[[balancer.endpoints]]
url = "http://127.0.0.1:8547"
rate_limit_per_sec = 10000
burst_size = 10000
weight = 100



## Premium RPC (Tier 2)

[[balancer.endpoints]]
url = "https://premium.cloud.rpc.01.com"
rate_limit_per_sec = 200
burst_size = 300
weight = 60

[[balancer.endpoints]]
url = "https://premium.cloud.rpc.02.com"
rate_limit_per_sec = 200
burst_size = 300
weight = 50

[[balancer.endpoints]]
url = "https://premium.cloud.rpc.03.com"
rate_limit_per_sec = 200
burst_size = 300
weight = 50



## Free tier and public RPC (Tier 3)

[[balancer.endpoints]]
url = "https://free.public.endpoint.01.com"
rate_limit_per_sec = 20
burst_size = 25
weight = 15

[[balancer.endpoints]]
url = "https://free.public.endpoint.02.com"
rate_limit_per_sec = 10
burst_size = 15
weight = 10

[[balancer.endpoints]]
url = "https://free.public.endpoint.03.com"
rate_limit_per_sec = 5
burst_size = 10
weight = 5

[[balancer.endpoints]]
url = "https://free.public.endpoint.04.com"
rate_limit_per_sec = 6
burst_size = 12
weight = 5

[[balancer.endpoints]]
url = "https://free.public.endpoint.05.com"
rate_limit_per_sec = 8
burst_size = 16
weight = 5