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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seeing the latest block while running a node

prysm has no option of snap or full sync as far as I know but geth I snap synced then at 99% switched to full sync for command line params... sync is sitting like 99.998% does it ever fully sync ...
meanthatmuchtoyou's user avatar
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Which ethereum node is better to choose?

I need to get information about transactions in new blocks (when a new block is mined, I get information about every transaction in it). Which node should I use for this, light/snap/fast? Which one is ...
Cosmo773's user avatar
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Accessing the network throught light sync node

I'm trying to create an application that will track balance changes at specified addresses. I want to catch new block validation events and see if there are transactions associated with my addresses. ...
Galaxy773's user avatar
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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 ...
MMasterMMind's user avatar
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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 ...
devprime's user avatar
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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 --...
lildakota's user avatar
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1k views

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....
Augie Li's user avatar
2 votes
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281 views

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 ...
Emrah's user avatar
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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 ...
Proton's user avatar
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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 ...
satya-p91's user avatar
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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 ...
satya-p91's user avatar
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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'...
sherlock's user avatar
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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 ...
Kaki Master Of Time's user avatar
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2k 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&...
ernie's user avatar
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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 ...
Sheeeev66's user avatar
2 votes
1 answer
792 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 ...
CQM's user avatar
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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....
Darren Jensen's user avatar
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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, &...
Farhad Jafari's user avatar
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280 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....
vincent's user avatar
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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 ...
spraff's user avatar
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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 ...
mzaidi's user avatar
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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 ...
El Sampsa's user avatar
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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 ...
Jani's user avatar
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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 ...
Dalbino's user avatar
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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 ...
1blockologist's user avatar
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1 answer
152 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 ...
Dmitry Karpyshkun's user avatar
1 vote
1 answer
249 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 ...
1blockologist's user avatar
1 vote
1 answer
132 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 ...
user57891's user avatar
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1 answer
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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. ...
superrman777's user avatar
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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 ...
MysticRyuujin's user avatar
1 vote
1 answer
547 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 --...
goodvibration's user avatar
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 ...
MYANZIK shrestha's user avatar
1 vote
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478 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: ...
Arlong's user avatar
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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=...
user3587417's user avatar
2 votes
0 answers
149 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 ...
DiveInto's user avatar
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1 vote
1 answer
133 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 ?
Bijoy's user avatar
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1 vote
1 answer
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 ...
Zaid Amir's user avatar
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1 answer
116 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:...
NeTRaL's user avatar
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1 vote
1 answer
788 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 ...
Dcompoze's user avatar
  • 387
1 vote
1 answer
157 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 ...
CodingYourLife's user avatar
1 vote
1 answer
70 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=...
Yur Gasparyan's user avatar
1 vote
1 answer
197 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 ...
Shahbaz's user avatar
  • 111
1 vote
1 answer
495 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 ...
Daniel Byrne's user avatar
2 votes
0 answers
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....
mzaidi's user avatar
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1 vote
0 answers
117 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 ...
Heartbeat's user avatar
0 votes
1 answer
101 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 ...
mzaidi's user avatar
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1 vote
1 answer
407 views

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

How long does it take? What is the Size?
dave kajpust's user avatar
3 votes
2 answers
767 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. ...
dave kajpust's user avatar
2 votes
1 answer
547 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. ...
Briomkez's user avatar
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1 vote
1 answer
151 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)?...
Briomkez's user avatar
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