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Expose advanced options from cassandra-cpp-driver thru the config (#808)

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Fixes #810
This commit is contained in:
Alex Kremer
2023-08-03 15:49:56 +01:00
committed by GitHub
parent 111b55b397
commit 4d42cb3cdb
7 changed files with 194 additions and 55 deletions
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63
example-config.json
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@@ -1,3 +1,6 @@
/*
* This is an example configuration file. Please do not use without modifying to suit your needs.
*/
{
"database": {
"type": "cassandra",
@@ -9,10 +12,27 @@
"table_prefix": "",
"max_write_requests_outstanding": 25000,
"max_read_requests_outstanding": 30000,
"max_connections_per_host": 1, // defaults to 2
"core_connections_per_host": 1, // defaults to 2
"max_concurrent_requests_threshold": 55000, // defaults to max_read + max_write / core_connections_per_host
"threads": 8
"threads": 8,
//
// Advanced options. USE AT OWN RISK:
// ---
"max_connections_per_host": 1, // Defaults to 2
"core_connections_per_host": 1, // Defaults to 2
"max_concurrent_requests_threshold": 55000 // Defaults to ((max_read + max_write) / core_connections_per_host)
//
// Below options will use defaults from cassandra driver if left unspecified.
// See https://docs.datastax.com/en/developer/cpp-driver/2.0/api/struct.CassCluster/ for details.
//
// "queue_size_event": 1,
// "queue_size_io": 2,
// "write_bytes_high_water_mark": 3,
// "write_bytes_low_water_mark": 4,
// "pending_requests_high_water_mark": 5,
// "pending_requests_low_water_mark": 6,
// "max_requests_per_flush": 7,
// "max_concurrent_creation": 8
//
// ---
}
},
"etl_sources": [
@@ -23,21 +43,24 @@
}
],
"dos_guard": {
// Comma-separated list of IPs to exclude from rate limiting
"whitelist": [
"127.0.0.1"
], // comma-separated list of ips to exclude from rate limiting
/* The below values are the default values and are only specified here
* for documentation purposes. The rate limiter currently limits
* connections and bandwidth per ip. The rate limiter looks at the raw
* ip of a client connection, and so requests routed through a load
* balancer will all have the same ip and be treated as a single client
*/
"max_fetches": 1000000, // max bytes per ip per sweep interval
"max_connections": 20, // max connections per ip
"max_requests": 20, // max connections per ip
"sweep_interval": 1 // time in seconds before resetting bytes per ip count
],
//
// The below values are the default values and are only specified here
// for documentation purposes. The rate limiter currently limits
// connections and bandwidth per IP. The rate limiter looks at the raw
// IP of a client connection, and so requests routed through a load
// balancer will all have the same IP and be treated as a single client.
//
"max_fetches": 1000000, // Max bytes per IP per sweep interval
"max_connections": 20, // Max connections per IP
"max_requests": 20, // Max connections per IP per sweep interval
"sweep_interval": 1 // Time in seconds before resetting max_fetches and max_requests
},
"cache": {
// Comma-separated list of peer nodes that Clio can use to download cache from at startup
"peers": [
{
"ip": "127.0.0.1",
@@ -52,6 +75,8 @@
// Defaults to 0, which disables the limit.
"max_queue_size": 500
},
// Overrides log level on a per logging channel.
// Defaults to global "log_level" for each unspecified channel.
"log_channels": [
{
"channel": "Backend",
@@ -90,10 +115,10 @@
"log_tag_style": "uint",
"extractor_threads": 8,
"read_only": false,
//"start_sequence": [integer] the ledger index to start from,
//"finish_sequence": [integer] the ledger index to finish at,
//"ssl_cert_file" : "/full/path/to/cert.file",
//"ssl_key_file" : "/full/path/to/key.file"
// "start_sequence": [integer] the ledger index to start from,
// "finish_sequence": [integer] the ledger index to finish at,
// "ssl_cert_file" : "/full/path/to/cert.file",
// "ssl_key_file" : "/full/path/to/key.file"
"api_version": {
"min": 2,
"max": 2,