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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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Disadvantages of geth's snap sync?

I've been researching Ethereum execution clients and it seems (please do correct me if I'm wrong) that currently geth's snap sync is by far the fastest and most widely used. So my question is, what ...
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Is there a difference between Snap / Fast / Full syncmode when it comes to validating transactions?

I tried syncing to the ETH block chain using the full sync mode and it was taking far too long, so my question is: Will a node built on Snap Syncmode validate transactions slower than a full or fast ...
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geth 1.10.15 where is syncmode --fast

Setting up geth 1.10.15. There are only 3 syncmodes: snap, full and light. There is no fast anymore What is snap? Is it the same as fast. To get it to run fast I use full or snap Thank-you in ...
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Switching from Full to Fast Syncmode in Geth

I have been syncing my node for about 3 days now and am only at 39%. I assume part of that is my internet speed, and specs. However, I am wondering if I can pause geth, switch the service to use --...
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Why geth fast sync or light sync does not get the latest highest block

I am running geth "light" mode: geth --syncmode "fast" console. I have the following problem. The highest block is always be 13773036, which is created at 3 days ago: web3.eth....
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Fastest way to scrape `gasUsed` from every block for the last few months without a full node?

Is there any way to scrape block headers for a specific field without going through the effort and resources of syncing a full node? I'm open to using any software or 3rd party hosted data. ...
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bsc node fast sync : diff layers too new from current

I'm trying to do a fast resync of my node running on a 36gb ram, Ryzen 9, nvme ssd. But now i have an error but can't find anything on it... ERROR[10-28|11:29:47.644] diff layers too new from current ...
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Can I resume fast sync in GoEthereum?

I have synced whole geth into computer in --fast mode. However, it had to be stopped at one point today. Using the already downloaded data, can I pass the download phase and resume from where it is ...
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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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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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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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Geth not updating blocks after restart

Previously my geth node was working totally fine but due to some reason I had to restart the node. so I followed this commands: sudo kill -INT <GETH_PID>. Then restarted it with the folowing ...
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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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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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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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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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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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2 answers
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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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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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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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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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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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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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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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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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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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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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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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1 answer
2k 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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2 votes
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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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1 answer
466 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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3 votes
1 answer
2k 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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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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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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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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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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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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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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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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1 vote
1 answer
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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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1 vote
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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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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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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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2 votes
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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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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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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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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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