parent
6a776faff9
commit
42bae94e34
@ -1,36 +1,35 @@
|
|||||||
REDUCE TRAFFIC
|
Reduce Traffic
|
||||||
==============
|
==============
|
||||||
|
|
||||||
Some node operators need to deal with bandwith cap given by their ISPs.
|
Some node operators need to deal with bandwith caps imposed by their ISPs.
|
||||||
|
|
||||||
By default, bitcoin-core allows up to 125 connections to different peers, 8 of
|
By default, bitcoin-core allows up to 125 connections to different peers, 8 of
|
||||||
them outbound (and therefore 117 max inbound connections).
|
which are outbound. You can therefore, have at most 117 inbound connections.
|
||||||
|
|
||||||
The default settings can result in relatively significant traffic consumption.
|
The default settings can result in relatively significant traffic consumption.
|
||||||
|
|
||||||
|
|
||||||
Ways to reduce traffic:
|
Ways to reduce traffic:
|
||||||
|
|
||||||
1. Use `-maxuploadtarget=<MiB per day>`
|
## 1. Use `-maxuploadtarget=<MiB per day>`
|
||||||
|
|
||||||
A major part of the traffic is caused by serving historic blocks to other nodes
|
A major component of the traffic is caused by serving historic blocks to other nodes
|
||||||
in initial blocks download state (syncing up a new node).
|
during the initial blocks download phase (syncing up a new node).
|
||||||
This option can be specified in MiB per day and is turned off by default.
|
This option can be specified in MiB per day and is turned off by default.
|
||||||
This is *not* a hard limit but a threshold to minimize the outbound
|
This is *not* a hard limit; only a threshold to minimize the outbound
|
||||||
traffic. When the limit is about to be reached, the uploaded data is cut by not
|
traffic. When the limit is about to be reached, the uploaded data is cut by no
|
||||||
serving historic blocks (blocks older than one week).
|
longer serving historic blocks (blocks older than one week).
|
||||||
Keep in mind that new nodes require other nodes that are willing to serve
|
Keep in mind that new nodes require other nodes that are willing to serve
|
||||||
historic blocks. **The recommended minimum is 144 blocks per day (max. 144MB
|
historic blocks. **The recommended minimum is 144 blocks per day (max. 144MB
|
||||||
per day)**
|
per day)**
|
||||||
|
|
||||||
2. Disable "listening" (`-listen=0`)
|
## 2. Disable "listening" (`-listen=0`)
|
||||||
|
|
||||||
Disable listening will result in fewer nodes connected (remind the max of 8
|
Disabling listening will result in fewer nodes connected (remember the maximum of 8
|
||||||
outbound peers). Fewer nodes will result in less traffic usage because relaying
|
outbound peers). Fewer nodes will result in less traffic usage as you are relaying
|
||||||
blocks and transaction needs to be passed to fewer nodes.
|
blocks and transactions to fewer nodes.
|
||||||
|
|
||||||
3. Reduce maximal connections (`-maxconnections=<num>`)
|
## 3. Reduce maximum connections (`-maxconnections=<num>`)
|
||||||
|
|
||||||
Reducing the connected nodes to a miniumum can be desired in case traffic
|
Reducing the maximum connected nodes to a miniumum could be desirable if traffic
|
||||||
limits are tiny. Keep in mind that bitcoin trustless model works best if you are
|
limits are tiny. Keep in mind that bitcoin's trustless model works best if you are
|
||||||
connected to a handfull of nodes.
|
connected to a handful of nodes.
|
||||||
|
Loading…
Reference in new issue