Linked Questions

3 votes
2 answers
348 views

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 ...
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  • 1,302
0 votes
1 answer
611 views

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?
user avatar
0 votes
1 answer
448 views

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 ...
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1 vote
0 answers
147 views

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 ...
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2 votes
0 answers
137 views

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 ...
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  • 8,114
2 votes
0 answers
130 views

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 ...
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73 votes
9 answers
94k views

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). ...
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  • 739
106 votes
4 answers
106k views

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 ...
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44 votes
3 answers
79k views

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): $...
user avatar
  • 703
21 votes
7 answers
17k views

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 ...
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23 votes
4 answers
17k views

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?
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  • 2,450
12 votes
6 answers
24k views

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 ...
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17 votes
2 answers
10k views

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 -...
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  • 78.8k
9 votes
3 answers
4k views

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 ...
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6 votes
2 answers
15k views

Ethereum Wallet downloading blocks - How to handle that memory size?

I'm syncing the Ethereum node for a while now. It almost finished, but I gradually need to delete files, because it'd barely fits my disk. I only have an iMac with a 256 GB SSD and ethereum takes like ...
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  • 61

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