Questions tagged [fast-sync]

Questions related to Geth's --fast feature which enables fast syncing through state downloads rather than downloading the full block data.

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Why is Geth's "fast" sync now the default, whereas before it wasn't?

As of version 1.6.0, the default method used by Geth for syncing the chaindata is "fast": The default sync mode is --syncmode=fast, for full sync please use --syncmode=full. Previously, the ...
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0answers
18 views

Re-Sync with same enodeId

Is there any benefit or detriment to keeping the same endodeId by maintaining the keystore when performing a fresh sync on an otherwise already in sync node? By maintaining the endodeId does it ...
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75 views

when syncing state trie of an Ethereum node, why not start from a recent block to reduce syncing time

as explained in this issue: https://github.com/ethereum/go-ethereum/issues/16218#issuecomment-371454280 when we are syncing an eth node, firstly it downloads the blocks, then the states, the first ...
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1k views

Total number of state entries

I am syncing my ethereum blockchain using the default syncmode. I want to know how many total state entries are there because currently the highest block is 6544578 and the number of pulled states i.e....
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0answers
682 views

fast syncing has completed, yet eth.blockNumber still returns 0

I've ran a fast sync via geth --syncmode "fast" --cache 1024 After running for about 12 hours (didn't think fast sync should take that long!) "eth.syncing" finally returns false which I'm led ...
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155 views

Database deletion aborted

I'm using the command line to delete the existing chaindata so I can fast sync: geth removedb But I am returned with: Database deletion aborted Database doesn't exist, skipping So then I run: ...
2
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484 views

Syncing block chain

I was syncing the blockchain using something like geth --fast --cache=2000 -jitvm. It reached about block #3819000, and then it did something odd. It stopped saying "Imported x reciepts" or "...
2
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84 views

Which recent Parity release can be used to synch a node for use with Mist 0.8.8

I am finding Geth exceptionally slow to synch. I found Parity to be much faster. However recent Parity releases make it very complex just to use the Parity client to synchronise and then open Mist. ...
2
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1answer
2k views

Ethereum Wallet 0.8.9 - How to Run "--fast" Option?

I use Ethereum Wallet 0.8.9 on OS X. Synching is very slow. I found, there is a "--fast" option to run geth on the command-line. But I can not find "geth" anywhere, although the Wallet states it is ...
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1answer
197 views

How long does it take to fast sync a geth node in 2021?

I am trying to fast sync a geth node with the mainnet. On a server with equipped a mechanical hard disk, an old-ish 24-core Xeon processor, and 96 GB RAM, it sync 4 block per minutes on average. I don'...
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1k views

Geth fast mode stuck on syning states after 3 days

i have started fast sync and its was took 3 days on first day every blocks was synced but its syncing states and now its really slow! here is syncing result: { "currentBlock": 10735343, &...
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21 views

Why does ethereum chaindata sometimes sync while syncing?

I am doing a fresh geth 1.9.18-stable sync, which I believe is fast by default. I am keeping an eye on the size of the .ethereum/geth/chaindata/ directory and have noticed that it does not increase ...
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84 views

Can chain states be processed faster or in parallel? (geth full node syncing)

I am trying to understand more about chain states. Basically Geth is capable of downloading blocks pretty fast now, but getting "known" and "pulled" states takes much longer and seems to be ...
1
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1answer
70 views

Running geth - ssh doesn't work

The Ethereum light node is synced by geth, but when we tried to sync it we lost ssh connection. We assumed that while it is syncing it is impossible to connect via ssh to computer. If anyone has any ...
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431 views

syncing is never finish on geth fast

I have run geth --fast --cache=4000 for 8 days and I think I am almost complete: eth.syncing { currentBlock: 8123223, highestBlock: 8123315, knownStates: 309587058, pulledStates: ...
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1answer
179 views

Known states for testnet on fast sync mode Nov - 2018

Whats the current knownStates for testnet on fast sync mode Nov - 2018 Is there an online service which provides the current states of the ethereum testnet. It been several days and --testnet fast ...
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87 views

Ethereum geth node sync problem

I have to ethereum geth node runing as testnet syncmode=full on aws both running on same hardware and bandwidth why one is syncing very slow and other one is syncing fast? and if I will stop the ...
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can erc20 token transaction work on Fast Sync-ed node ? OR it need Full node to transact any token?

I need help regarding couple doubts. Which sync method is good for me. My client is asking me to make an Exchange website. Also ERC20 tokens will get transacted in this exchange. Do I need a full ...
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493 views

Is it possible to download the Ethereum state trie and state database on their own?

I want to download a more or less recent version of the Ethereum state trie and state database, i.e. some version from within the last 1000 or so blocks. I know that I could set up a full node and let ...
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215 views

Parity: with 'warp' sync enabled by default, is there still any advantage in using fast pruning?

From Parity Ethereum Documentation: Warp Sync is an extension to the Ethereum Wire protocol, which involves sending snapshots over the network to get the full state at a given block extremely ...
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241 views

How to make geth keep states for the last 10000 blocks instead of 128

If I understand it correctly, geth preserves states for the last 128 blocks and prunes states for all other blocks. I would like to keep states for a bigger number of last blocks, say 10000 blocks. Is ...
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114 views

Block Sync Progress

There is no block number listed like others I've seen. At first thought it was processed but that number is impossible? Also running eth.syncing doesn't work since blockchain is not yet fully ...
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170 views

Blockchain synchronization starting from scratch after switching between main network and testnet

I first synchronized the main blockchain via the CLI geth --fast --cache=512, it took several days to download around 3,300,000 blocks. Then I closed the command line geth, opened Mist, and switched ...
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12 views

Can pending pool watched during fast sync

I need to record some statistics regarding the pending pool. I know I need to sync, and once it's done, I can record my experiments. Is it possible to sync in the fast option and still record ...
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11 views

questions on Fast sync node

I cant seem to find the answers for these. can a fast sync node process a transaction or its just use for querying information like data, etc.? does a fast sync node perform full validation after ...
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1answer
17 views

First time Synchronization of eth client geth

How to sync only few blocks of ethereum mainnet on geth? I don't complete blockchain to be sync and validated in my local machine. Is there any way to sync only few hundred blocks of mainnet in my ...
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14 views

eth.syncing highest block is constant?

I am currently syncing a BSC node on a digital ocean vps. I have been syncing for a few hours now and the currentBlock is increasing by about 80k per 5 minutes. However i have noticed that when a call ...
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9 views

Geth syncing, how to keep on par with the network in syncronized blocks

I am trying to get data from the last block via my own local node. I do this by calling the RPC API on my node. the issue I have is that the node is not fully synchronized and is never fully ...
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20 views

Can i use fast synced node for mining?

I really tried to look a lot of information about Geth syncing methods. I do understand differences between every syncing method but still i could not get answer to this question. I know that fast ...
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23 views

geth never finishes fast sync on Linux Mint

$ geth version Geth Version: 1.10.2-stable Git Commit: 97d11b0187b4695ccf44e3b71b54155fe405a36f Git Commit Date: 20210408 Architecture: amd64 Go Version: go1.16 Operating System: linux GOPATH= GOROOT=...
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15 views

Fast node can't cacth up, how to find whats slowing me down?

I'm running a geth fast node but I can't seem to catch up. I did it using a ubuntu in wsl (windows) and everything is on a SSD. However when I do eth.syncing.highestBlock - eth.syncing.currentBlock it'...
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35 views

Mist wallet will no longer load, fills up my hard drive

So as I understand the situation, the Mist wallet is deprecated, no longer being updated, and we are all on our own... I hadn't checked on my ETH in about 3 years... my mistake. I managed to fix ...
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23 views

Storing 100 million transactions in private ethereum blockchain

I want to store 100 million transactions in a private ethrereum blockchain where each transaction may be 100 kilobytes of data for verification purpose. I am considering proof of authority (POA) of ...
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473 views

Geth node sync: best metrics to track progress of state trie download?

First time setting up a full node with Geth and was hoping someone could help me better track progress. Have been running for about 8 days and I believe geth is currently doing the "state sync&...
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24 views

geth.exe checksum is differant than what is writen on the website but the installers checksum is correct. is this an issue?

I started syncing geth with this command he command: geth --rpc --etherbase <pulbic wallet adrress> --syncmode=fast --cache=2048 and about 25 hours later, the syncing stopped and this error ...
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153 views

eth mainnet syncing took 2 weeks or more and still syncing

I have a node created via AWS but it has been trying to sync for 2 weeks t2.xlarge running on efs, efs is running on max io and i am using the geth client v.1.9.13 the node state is as below eth....
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1answer
764 views

Fast sync ain't fast enough

I'm running geth with --syncmode=fast --cache=4096 --maxpeers=50 My laptop runs like crazy, but it's never able to reach the top of the chain (blocks are at the moment been created ~ once every 14 ...
0
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1answer
80 views

Geth syncing fast Ropsten too long delays between importing new segments

i have a problem with my Geth Ropsten node. Time between importing new segments of chain is too long. For example logs from my docker container below geth-testnet_1_6d184080c9e1 | INFO [02-11|13:30:...