Questions tagged [synchronization]
Syntonization is the process where your node / client (geth, Ethereum Wallet, etc) receives the most up to date data from the Ethereum blockchain.
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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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Connect to any ethereum node remotely
Is it possible to connect to any synced ethereum node remotely and query their blockchain? Also, if the former is possible then are there any known remote nodes that offer this functionality for free? ...
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Can I connect to testnet after synchronization finished on mainnet?
I just finished block synchronization on mainnet by default, but I realized I want to try on testnet first. Should I do synchronization on testnet again? Or how can I connect to testnet?
Thanks a lot....
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What is the recommended read/write speed for an SSD when syncing an archive node?
I am planning to sync an archive node for research purposes and am preparing to buy the hardware. How does the read/write speed of the SSD affect the sync speed? Is 500 MB/S enough, or would an ...
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1answer
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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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Private Blockchain Chain Spec Sanity Check Please
A private blockchain running for two years runs find on Parity 2.3.9. When upgrading a node to 2.4, sync stops. Peers are still strong (25) but block import repeats at Block X where Block X is the ...
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Ropsten Blockchain Size on Disk December 2019?
Hello what is the size of the Ropsten Blockchain, on disk, using Parity with full trace on?
(Info required to provision a VPS).
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geth sync stuck at 2,700,000 [duplicate]
It all ran well before 2,700,000 but when comes above 2,700,000 hellish...
INFO [12-21|00:08:43.253] Imported new chain segment blocks=2 txs=
5 mgas=0.356 elapsed=30.309s mgasps=0....
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2answers
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How to test chain reorganization with testrpc?
I am working on blockchain synchronization script. I need a way to make reorganization programmatically for testing purposes. Is there such functionality in some testrpc?
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How much more it will take for Ethereum wallet to Sync - 2019
I has been a week when I tried to Sync Ethereum on SSD VPS. Here are the details -
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): ...
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Geth sync at 99.99%, Latest block is 0, Importing state entries for a long time [duplicate]
I know its a common issue but I wanted to post to see if there is an updated solution.
I am running:
geth --rinkeby --rpc --rpcapi="personal,eth,network,web3,net"
geth attach http://localhost:8545
...
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Ethereum classic node syncing, still around approx 100 blocks behind even on SSD
Does somebody know what to do? SSD disks are not enough? How much cache do I need to allocate for it to sync in time? Still around 100 blocks behind and 0/0 blk/mgas sec, sometimes 1 / 0 blk/mgas sec. ...
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Question on initial sync and Freezer (SSD and HDD)
I've kicked off a fresh fast sync of Geth v1.9.2 and after 3 weeks it's still pulling states (state trie).
As per the documentation you can use the Freezer with a HDD as it references old data so ...
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133 views
Geth stuck at “Regenerated local transaction journal transactions=0 accounts=0”,PLEASE HELP
I run a private chain with mulitpe Clique POA nodes for several days. Today I found the block can not update normally.
The Geth version(executale version) info:
[root@localhost ~]# geth version
WARN ...
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1answer
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Synchronization: why startingBlock is ahead of currentBlock?
> eth.syncing
{
currentBlock: 908716,
highestBlock: 928604,
knownStates: 0,
pulledStates: 0,
startingBlock: 908891
}
It looks like synchronization started from block 908891, though the ...
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0answers
333 views
Conflicting reports on sync mode and inability to see balances
I've been trying to maintain a full node for several months. It seemed to be working until I noticed zero balances this morning. etherscan.io site confirmed that balances are not zero, so ...
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1answer
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what will happen to transactions on smaller length chain when peered with longer length chain in private ethereum
what will happen to transactions on smaller length chain when peered with longer length chain in private ethereum?
Below is the scenario
Step 1: I have started Ethreum private chain in 2 different ...
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I can see my ethereum but its not going to my wallet
My ethereum has been confirmed delivered but not in my wallet,fairly new but I have made successful transactions before,I can see my ethereum in etherscan.io 0x2ecc74c6e9c42eea14863fbc1e1d9656b339a6ec ...
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What are the rules on persisting old transactions?
If a new node joins the network and attempts a full sync, it requires all transaction information from genesis to build up its chain state. To do this the transactions it receives must be the ...
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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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Can't send when geth started with no peers
I am trying to follow these instructions to send eth without syncing on my pc.
./geth-1.9.0 --maxpeers 0 console
Then
TX={ from: FROM, to: TO, value: VALUE, nonce: NONCE, gas: GAS, gasPrice: ...
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1answer
63 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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2answers
179 views
geth never completes syncing for rinkeby
My aim is to synchronise a full node for the Rinkeby network.
It seems that geth does not finish synchronisation. I have had it run for over three days, but it is stuck at the last few blocks.
> ...
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Parity synced at not existing block 4839212
I have problem with parity, cant get synchronization in archive mode to end,
anything, changing arguments, max-, min-, snapshot-peers, parity verisions do not help.
I have blockchain in archive mode ...
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Why would a node stop updating chain?
I am running a private network and one node seems to have stopped updating its chain. It is stuck at block 264 while the others are hundreds past it. It is still connected to the network, but it has ...
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77 views
Service to show number of state entries for syncing?
When syncing a node it would be helpful to know (an estimate of) the number of state entries in the current state to assess how long it takes to finish syncing a node. Is there a website, service or ...
asked May 6 '19 at 18:58
Validity Labs - Sebastian
6,9882 gold badges27 silver badges58 bronze badges
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Parity syncing in archive mode stuck at block 4839206
I am running Parity inside docker in pod in Kubernets on Google Cloud.
The pod is using disk with 2700 GB for storing Ethereum blockchain, and currently
disk has about 2100 GB free.
Unfortunately for ...
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77 views
Can't catchup with Mainnet
16GB Linux, 512 GB SSD, mainly started for RPC purposes only. No mining activity.
geth --datadir ./data --syncmode fast console --rpc --rpcport 8545 --rpcaddr "0.0.0.0" --rpccorsdomain "*" --rpcapi "...
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103 views
Unable to Synchronize raspberry pi node my private network
I have created a private network with 3 nodes - two nodes in computer and one in raspberry pi
I connected computer and raspberry pi to same network through LAN
computer ip: 192.168.122.1
pi ip ...
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1answer
136 views
Geth interface panic after weeks of being in sync
After weeks of being in sync and working fine, my Geth just stopped. Upon restart, what started as a long hang on FS Sync Time (repeat output with different values, no further movement beyond ...
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1answer
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Different synchronization types
What are the different synchronization types for an Ethereum node? Which of them are client-specific (Geth, Parity)?
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Synchronisation failed, dropping peer valid and Impossible reorg
I'm working on a project called Rubykube Workbench. But the "ethereum/client-go:Stable" container gives error.
System information
Geth version: 1.8.23-stable-c9427004 (docker container)
OS & ...
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1answer
33 views
Token real synchronization from my website
I like to integrate a real token synchronization (From distributer wallet account to user's wallet address the token need to transfer) in my website. My website needs to interact with the blockchain ...
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0answers
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Slow sync since Constantinople reason?
Noticed two days ago my live ETH node has not been able to keep up with the network. It is a fast VPS that always was fine until two days ago.
Running 2.3.5-stable of Parity.
Block generation is ...
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1answer
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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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Are regions a factor in downloading current Ethereum blocks?
We are currently having some problems syncing our nodes. Our server is located at the Asia Pacific region. Earlier our servers where in Azure and we don't have any troubles syncing. It has been 3 ...
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1answer
27 views
Is it possible to call a Contracts function from a set setTimer? Web3JS
I want to be able to call a function of a contract every 60-120 seconds, in my JavaScript code I have a set timer that runs for down a timer from 120 seconds down to 0 by subtracting 0.01 every 10 ...
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1answer
152 views
How does new block propagation, step by step, work in Ethereum?
I'm trying to understand how nodes propagate new valid blocks in Ethereum.
Here's my attempt at a step by step how description of the process:
1. Miner constructs a new block and starts iterating ...
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0answers
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Geth crashes, “missing trie node”, rlp: expected List
I am struggling with failing geth with my Dapp.
I got an error like this:
Web3
UnhandledPromiseRejectionWarning: Error: Returned error: missing trie node ...
3
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0answers
318 views
Header broke chain ancestry, Synchronisation failed, dropping peer & retrieved hash chain is invalid
System information
Geth version:
Geth
Version: 1.8.22-stable
Git Commit: 7fa3509e2eaf1a4ebc12344590e5699406690f15
Architecture: arm
Protocol Versions: [63 62]
Network Id: 1
Go Version: go1.11.5
...
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1answer
63 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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Error in syncing of Ropsten testnet on geth node
I am using a geth node to sync with the ropsten testnet . For the last few days I have been encountering the following error frequently
Error: invalid gas used (remote: 7987157 local: 7897475)
All ...
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0answers
126 views
Error trying to synchronize geth clique client after shutdown
I'm working with a private network using geth clique clients. Each time a node shut downs, (after a power cut, or just killing the geth process), if a try to put it to work again, the node can't ...
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1answer
133 views
Why is Geth importing the same block multiple times?
I have this geth node that run in testnet and a program(worker) that will read the block every second. I notice sometimes, the geth imported segment chain with same block number but different hash, ...
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1answer
233 views
Node lags behind 100 blocks, states are finished syncing
I run my geth node with the following command:
./geth --cache 8192 --syncmode full
It has been syncing for a long time, and it looks like it has finished syncing:
> eth.syncing
{
currentBlock: ...
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1answer
268 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 ...
0
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1answer
56 views
run multiple parity clients in parallel
How can I run multiple parity instances on one machine? With geth it's easy. I just have to set different --port numbers. What's the equivalent for parity?
I want to recreate Afris scenario.
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Syncing events history for specific addresses, possible?
I am writing software that needs the full history of events but I only need it for a certain contract address, which I would guess is a very common use case for app developers.
Is there a way I can ...
0
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1answer
226 views
Speeding up Geth Synchronization
What would help speed up synchronization?
I'm not sure if it's a bandwidth issue or a CPU issue?
If I were to upgrade my processor would that help make it move faster or do I need to upgrade my ...
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1answer
42 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=...
