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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eth.getBalance returning 0 due to syncing problem in rinkeby [duplicate]

when I am running eth.syncing it is returning false and when I am running eth.getBlock("latest") it is returning number: 8290864, with some other data. Which is less than Block Height ...
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54 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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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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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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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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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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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So as I understand the situation, the Mist wallet is deprecated, no longer being updated, and we are all on our own...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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333 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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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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1answer
96 views

Force geth to continue using fast sync

My Ethereum node was fast synced one year ago and then ran for 10 months, before that computer was shut down. I have turned on that computer and I want to continue catching up, but Geth keeps ...
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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....
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ETH daemon not syncing from snapshot

I have a snapshot of an ETH daemon that is running fine. I tried created another instance of this daemon from this snapshot. Its been running for about 8 hours now and still not synced. This is the ...
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215 views

Geth behind mainnet during fast sync on an SSD

I'm trying to sync a full node on my desktop but I'm not able to get past the state download phase. After the block download phase completes (64 blocks behind mainnet) geth is not able to keep up with ...
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985 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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131 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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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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384 views

Is Ethereum fast sync feasible to get logs

I want to get the logs of an contract address by filtering the even with transfer Event. I cant use Infura for its restrictions and limits. So i want to sync my own ethereum node for myself. Since my ...
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1answer
700 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 ...
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1answer
25 views

Save stack traces while syncing

I have been working on a project, where I would like to trace all transactions from a block and for this reason I have been using a fast-syncing node. It works well, the only issue is that querying ...
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2answers
910 views

Number of state entries needed before geth node is synced up with Ropsten

I am currently syncing a Geth node with the Ropsten network. Currently the download in the terminal show a neverending stream of Imported new state entries. I understand that I have to wait for all of ...
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75 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 ...
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54 views

Different block information for the same block number at different times

On web3.eth.subscribe('newBlockHeaders') I get notification and trying to get last block via saved block number earlier. It was happen with 9559839 block number on mainnet. First, I was get data with ...
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136 views

Just synced a node, but want to use docker instead, can I moved synced db into container?

I just synced a node using geth fastsync and it took several days. But I just decided I want to use this computer's resources differently and run my ethereum environment from a docker container I ...
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1answer
66 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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853 views

Why geth switch to full node when starting

I start my geth with --syncmode "fast" but I get this warning: WARN [01-21|14:47:59.148] Switch sync mode from fast sync to full sync And my geth will start with full sync mode with this warning. ...
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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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1answer
267 views

Can I start mining before my node is fully synced?

I'm trying to mine some Ether on Ropsten, using a Geth node configured as follows: --verbosity=3 --networkid=3 --testnet --mine --fast --cache=8192 --datadir=./data --etherbase=0xMyAccountAddress --...
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1answer
1k views

Why my geth fast node suddenly stopped running?

Fatal: Error starting protocol stack: gap (#3) in the chain between ancients and leveldb when I run geth node for ropsten by : geth --testnet --syncmode "fast" --cache=512 --rpc --ws --shh console ...
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420 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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33 views

Geth returning balance 0 [duplicate]

I started my geth using fast sync first and then normal sync once it was almost synced. 'currentBlock' is not increasing since hour and 'highestBlock' keep on increasing. geth --testnet --rpc --cache=...
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73 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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96 views

Ethereum fast sync and wallet balance?

I'm planning to run a Ethereum server for getting wallet balances at a specific time, which type of node should i run, fast sync will work ? or should i go for archive node ?
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2k views

Help with Syncing Geth: 1.8.23

I am not sure if I'm alone in this but it seems that the latest Geth client is very slow. I tried posting the issue on Geth's github page but it got closed almost immediately and no one is replying ...
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79 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:...
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1answer
585 views

What are the benefits of ethereum 'archive' sync mode and who should use it?

We have set up a private Ethereum node for our blockchain application connected to the mainnet. The node runs on a server with 2TB SSD, 4 CPU and 6GB memory. It's been syncing for about a week and is ...
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126 views

Drawbacks Query Logs of Parity Node in Fast Mode

We need to query all the past transfer events of a contract to identify all historic token holder addresses. Am I right that for this we need a full node and can't use fast mode? I've read that fast ...
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59 views

Getting the last synced block is 0

I am trying to get last synced block but it always 0. So I have run geth --syncmode fast -cache 4096 --rpc Here is a logs INFO [12-19|09:47:50.058] Imported new state entries count=...
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176 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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414 views

Current Storage requirements

Very new to this. following teething problems and multiple restarts I'm running a fast sync with max cache. I'm starting to down load the block chain in fast syncmode, whats the current storage ...
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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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82 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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1answer
87 views

Retrieving transaction hash in all blocks after fast sync

I have set up an ethereum node using fast syncmode. I want to retrieve all the transaction hashes and the recipient between a range of blocks, let's say 0 - 13000. Will I be able to retrieve the ...
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391 views

What is the GB size and time to sync for geth in september 2018

How long does it take? What is the Size?
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473 views

Why does geth Sync get very slow around 4 million blocks

I am fast syncing geth, and at block 4080496 it started to sync very slow. Those 4 million blocks took about 45 minutes to sync. In the last 4.5 hours I have got to 4081691, about 1200 in 4.5 hours. ...
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1answer
455 views

Ethereum chain data size (GETH w fast sync)

Etherscan provides this statistics, about the chain data size with fast synchronization. I cannot understand if it refers only to the blockchain size (i.e. block headers + block bodies, i.e. ...
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146 views

Official data about synchronization time

Are there in the literature or from the Ethereum community/foundation any official benchmark about geth (or any other client, e.g. parity) initial synchronization time (with both fast and normal sync)?...
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4k views

geth 1.8.15 flag provided but not defined: --fast

Geth version I have: Version: 1.8.15-unstable Architecture: amd64 Protocol Versions: [63 62] Network Id: 1 Go Version: go1.11 Operating System: linux GOPATH= GOROOT=/usr/local/go go version: $ which ...
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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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470 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 ...