Linked Questions

3 votes
2 answers

Mist is synchronizing extremely slowly on Linux Ubuntu 15.10. Any way to speed it up? [duplicate]

Mist is synchronizing extremely slowly on Linux Ubuntu 15.10. Any way to speed it up? Current info: Downloading block 1,081,182 of 1,521,138. It's downloading like a few blocks per minute, tops ...
Vesa's user avatar
  • 1,322
0 votes
1 answer

how to make geth import faster? [duplicate]

my computer is mac and it has run geth import for about a week, and it's 4000000 block now. I have ran geth --fast before and it's slow too. I am in china, is it something i can do to make it faster?
user24225's user avatar
0 votes
1 answer

Ethereum Block Synchronize delay [duplicate]

I run the geth on my server. But after days, the block number is behind the network thousands. I restart, but no use. I need remove the block and re-sync from the beginning. But later it's behind ...
user3622916's user avatar
1 vote
0 answers

My node lags behind, and more and more so [duplicate]

A few months ago, I had no problem to synchronize my Debian node. Now, I lag behind and I cannot catch up. There are long delays between blocks Here, a gap of several hours: I0507 03:40:13.321969 ...
bortzmeyer's user avatar
2 votes
0 answers

slow start of block synchronization in geth [duplicate]

What can I improve or debug to find causes of a delayed start of the block synchronization in geth? I am running the latest geth (1.4.5-stable-a269a713) on Ubuntu 15.10, I noticed this behavior ...
SCBuergel's user avatar
  • 8,704
2 votes
0 answers

Blockchain taking abnormally long time to download? [duplicate]

I'm a newbie to Ethereum. I initialized the download process for the Ethereum network blockchain using geth yesterday (geth --rpc). It's been nearly 20 hours and blocks are still being imported. Is ...
Cosmopath's user avatar
74 votes
9 answers

Help with very slow mist sync

I have seen other posts in reddit where users experienced slow sync times. I am using windows 10 and version 3.7 (I saw on gitter that other users on windows 10 had trouble with version 3.8 crashing). ...
Skier's user avatar
  • 749
111 votes
4 answers

What is Geth's "fast" sync, and why is it faster?

One of the answers to this question suggested using Geth's --fast flag to help quickly synchronise the block data. How does the flag work, and how does using it speed up the synchronisation? Are we ...
Richard Horrocks's user avatar
46 votes
3 answers

How to delete or reset the blockchain in geth? (OSX)

I have a currupt Blockchain and want to hard reset the chain. what do I need to delete in order to start downloading the chain from scratch? I know that there are 2 ethereum folders (I am on OSX): $...
xpnimi's user avatar
  • 723
21 votes
7 answers

geth import vs copying chaindata

I'm trying to sync my RPi 2 with the blockchain. geth import runs quite slowly, as well as syncing from scratch. What would be the problem in just copying the .ethereum/chaindata folder from ...
Thibaut Schaeffer's user avatar
23 votes
4 answers

How can I empty the blockchain?

I am trying to do a fast sync using geth --fast but I am getting this message: blockchain not empty, fast sync disabled How can I empty the blockchain to allow for fast sync?
Randomblue's user avatar
  • 2,600
12 votes
6 answers

Is there a quicker way than geth --fast to download the Ethereum blockchain?

I had the Mist client installed, but it hadn't been updated in a few weeks so I tried renaming the chaindata folder (instead of deleting it) and downloading the blockchain with geth --fast as that is ...
dhuyvetter's user avatar
17 votes
2 answers

How much faster is it to sync with --jitvm?

geth help has: VIRTUAL MACHINE OPTIONS: --jitvm Enable the JIT VM The impact of --jitvm has been unanswered and I'm looking for answers to these 3 specifically: How much faster is geth --fast -...
eth's user avatar
  • 85k
9 votes
3 answers

Can chaindata be split across two (or more) locations?

With the size of full nodes rapidly growing, I'm looking for a way to split my chaindata across multiple hard drives. I have one internal 1TB SSD capable of syncing the chain, and then an internal HDD ...
The Renaissance's user avatar
4 votes
2 answers

geth mainnet fast sync appears stuck at around 100 blocks from highestBlock

I started syncing a geth node to the mainnet in fast sync mode 7 days ago. The status is still around 74 blocks behind the highestBlock, e.g. if I run the following: eth.syncing.highestBlock - eth....
Darren Jensen's user avatar

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