The only way to accomplish that is by validating everything itself. If you have memory to spare on your system, you absolutely should increase the database cache size. The default in 0. Some suggest to set "listen" to "off" but this has no effect on speed. You might, at intervals, ban the slowest 3 nodes, so you get pretty fast nodes after a while. I didn't have enough reputation to add a comment to the accepted answer.
Pruning blockchain to 2 GB and setting dbcache to MiB didn't actually help. Moving the datadir to a USB-Stick did the job for me.
Which is weird since my disk is connected too via USB. Maybe there is an issue with how bitcoin-qt is handling its cache? An in-memory cache shouldn't behave like that. At least I wouldn't expect it to. It can cause bitcoin-qt shutting down due to database errors.
Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Asked 5 years, 2 months ago. Active 8 months ago. Viewed 18k times. I'm trying to setup my own Bitcoin node on Ubuntu Is there a way to optimize my setup to make it download blockchain much-much faster? Improve this question. Slava Fomin II.
Add a comment. Active Oldest Votes. Full Posts Comments. Search for:. What to do guide: — Download and install the Bitcoin wallet software , run it and then close it.
Bitcoin4ever August 20th, at The full chain can be downloaded from blockchain-downloads. Also note, I have observed that exiting and restarting Bitcoin Core during initial sync seems to speed it up a bit for a while once it connects to nodes again. Referencing again personal experience, syncing on Windows 10 bit seems to be orders of magnitude faster than syncing on Linux on the same hardware - even if Windows is running in Gnome-Boxes, it easily churns through blocks per second during the initial stages of download.
If you are in serious trouble waiting to sync Bitcoin Core a full node client and you do not need the additional features that Bitcoin Core provides then, you may consider trying Electrum not a full node client which does not need to do the initial sync. On Fedora 27, getting Electrum is as simple as sudo dnf install electrum. I read the very helpful answer of Willtech and derived the following command:. This resulted in a sync time of roughly 2 weeks on that PC.
Very long indeed but much better than having to buy new hardware Here's a quick fix to alleviate your issues. Manually specify peer IPs to console. You can get node IPs from a public node directory, such as Bitnodes. Amazon, Google, etc. It should increase your speed a bit since those nodes will assist you with peer discovery. Use the latest release 0.
For some reason some nodes does not give you any blocks when you are connected to them. If a node does not give you any data just ban it by right clicking and selecting "Ban for 1 hour" do this until you are connected to a node that actually sends you blocks.
Normally just waiting will eventually resolve this issue but banning nodes until you get connected to some fast ones is a much faster way. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Asked 4 years, 4 months ago.
Active 1 year, 4 months ago. Viewed 27k times. Improve this question. How many incoming connections do you see? Are you on Windows, Linux, or macOS? For what it's worth, I have the same problem. I'm on 0. I receive a new block about every 20 seconds.
Approx 2 incoming, 4 outgoing connections. I use it on Windows 8. I have 8 outgoing connections now i needed to delete one blockchain file because a seperate issue after i have asked this question. Currently it takes 3 years to download everything which is nonsense. It is probably not the actual downloading of blocks that is making it slow. From personal experience on a 2.
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