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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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334 views

Can not sync to ropsten

I have trouble syncing to Ropsten. I have just upgraded geth version to 1.8.7, then i run the command to remove the old chain: geth --testnet removedb. Then the command: geth --testnet --syncmode "...
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Do you have to download all 'Imported new state entries' before syncing with the highest block?

I'm new to Geth... I'm performing a fast sync using the following command: geth --syncmode "fast" --cache 4096 I had been downloading block data until about 1000 blocks from the highestBlock. Then ...
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Runtime out of memory on RPi with ethereum node

I have a private network of ethereum with 2 miners on my PC and a node on RPi, after syncing it says: Fatal: runtime: out of memory The sd card is 16Gb and it should have plenty of free space, is RAM ...
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Gap in the block chain synchronization when interrupted

I was synchronizing the block chain with geth --fast --cache=1024. Then I got the message synchronization failed and I pressed CTRL+C because I had for some reasons to shutdown the VM [I am running ...
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How to force geth to sync? [duplicate]

Geth is refusing to sync the last 100 blocks on the ropsten testnet, is there a way to force geth to continue syncing from the console?
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316 views

How can I estimate the time remaining to complete a sync?

I would like to know approximately how long it will take my geth node to complete syncing. There was a previous question that was similar to mine, but less specific, and it was closed in favor of a ...
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302 views

eth.getBalance(eth.coinbase) = 0, node/client not fully synced yet

I just started to get my fingertips wet with Ethereum and Dapps. After receiving some ether on Ropsten to test with: https://ropsten.etherscan.io/address/0x05c86fc0ec0b80715f1cbc2fa96e86ba18e2eb90 I ...
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223 views

Rinkeby Ether faucet error [duplicate]

I got funded from the rinkeby faucet but it didn't show up in my wallet. Does anyone have an idea why the sync with the rinkeby blockchain stopped with just 218 remaining?
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404 views

Finding eth balance within geth [duplicate]

I'm pretty new to mining, but I hope someone can help me. when I use eth.syncing, I get this result: currentBlock: 1, highestBlock: 4884563, knownStates: 42878500, pulledStates: 42868030, ...
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Ropsten testnet connecting to fork before ropsten revival [duplicate]

I was syncing ropsten testnet using geth. Command used- geth --testnet --syncmode "full" At some time, eth.syncing returned- { currentBlock: 353883, highestBlock: 1172714, knownStates: 0, ...
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Geth syncing - Jan 18, how much time should wait before I call it quits. (First time miner)

After 3 days; current status: > eth.syncing { currentBlock: 4829460, highestBlock: 4829665, knownStates: 19675738, pulledStates: 19646971, startingBlock: 4828906 } Getting ti
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Where does blockchain data come from if there are no peers?

I'm still having problems syncing. I've kept my client up-to-date, I'm using an SSD, and I have 1Gbps/1Gbps internet service. It just hangs with 270 blocks remaining forever. The logs say: INFO [...
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38 views

Can I access last mined block if my node is not there yet?

This might be a stupid question, but I'll ask anyway... I'm currently connected to Ropsten and when I execute eth.blockNumber it says 1853682 (I'm like 300000 blocks away from current last mined ...
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801 views

syncing forever

I'm trying to mine using the commands geth --rpc and ethminer on an ubuntu 16.04 machine. Sometimes it works, but often after I restart my PC, I get the error "Network syncing, will start miner ...
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If I am fast syncing Ropsten, and i close the command prompt or Mist and reopen Mist, will it continue to fast sync?

Just wondering since I was trying to fast sync Ropsten with Mist and it came to a block number around 600,000 and stopped, so I closed Mist and reopened it and it only got to the "started swarm" part. ...
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Ethereum Wallet and Mist stuck on block 1,699,999 even after updating to latest version of geth

geth version Geth Version: 1.7.2-stable Git Commit: 1db4ecdc0b9e828ff65777fb466fc7c1d04e0de9 Architecture: amd64 Protocol Versions: [63 62] Network Id: 1 Go Version: go1.9.1 Operating System: darwin ...
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773 views

Why does sync eat up all RAM and hang my computer?

I have installed the Wallet v0.9.1 but have not been able to reach sync. It starts at good speed (1000 blocks/sec), but after 1 hour and 3.5Mblocks it slows down and I notice my 8GB RAM is taken. ...
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191 views

Do I really need to sync Geth even if I already have synced Ethereum Wallet?

I already have Ethereum Wallet installed and synced, fully working. But I am working on a cryptocurrencies-based project and I needed the JSON-RPC, so I installed Geth. However Geth seems not to be ...
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Trying to sync my wallet is actually making me depressed [duplicate]

I really don't understand why it's so bad. I got geth light set up via terminal (because it was impossible to download blocks) by following the instructions in another thread and the blocks downloaded ...
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222 views

Ethereum Wallet on Mac - Way Too Slow and uses up CPU! [duplicate]

I am really concerned with the amount of blocks I have to sync and how long it takes/how much power it consumes. It took me 2-3 days to fully sync last week and now I am syncing all day again. It ...
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87 views

ethereumj & etherscan, discrepancies between blocks described- during sync

I've cloned the ethereumj codebase, and in the directory ethereumj/ run it for testnet with the following command: ./gradlew runRopsten However, during the block synchronization process there is a ...
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447 views

Ethereum wallet

Like many others I'm really struggling with setting up the ethereum wallet. I deleted the chaindata folder in order to make the download process quicker. Unfortunately I closed the ethereum wallet ...
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240 views

Can't launch mist wallet. Stuck after pressing 'launch application' in windows 10

Hi. I downloaded Mist wallet and then after some time when the 'launch application' button came up, I pressed that. However, now I only see the following image on my screen and the figures shown ...
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3k views

Proper way to stop the Geth console to turn off computer for maintenance?

After the synchronization of block chain is complete, what happens if you close the geth console while it continues to run the current block chain data? In the future, I would like to turn off ...
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106 views

Sent ether to my wallet, been almost two months now and still downloading block chain. what do i do to speed this up? [duplicate]

i've downloaded geth but i don't know if it's doing anything. the terminal says "Fatal: Error starting protocol stack: resource temporarily unavailable" when i try to start it. i'm not really sure ...
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128 views

Mist Wallet Synch Stuck - Not coder/geek

I too have the 'synch stuck' syndrome suffered by many others. I don't think I've ever been this frustrated but am trying to be patient. After 12-24 hours I get stuck around 2.4m block after multiple ...
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437 views

I have a problem with my CPU miner, I just use geth only

I have some servers, and I want to try one of my servers to mine ethereum, I do not use GPU here because I only have a regular server, I see geth documentation, documentation I run the command 1) ./...
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423 views

Ethereum Windows wallet - stuck downloading - possible lost initial bitcoin deposit

I downloaded the Ethereum wallet from https://www.ethereum.org/, and got to the stage when it started downloading. I entered a password to create an "account", and it suggested I add funds via bitcoin....
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180 views

I am at the best block while downloading blockchain. Am I done?

I'm very new to this and was following a tutorial to mine ethereum and it told me to install geth and once installed use geth -rpc to sync the blockchain. So ive been running that for the past 10hrs+ ...
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547 views

Long wait for syncing the chain with Geth [duplicate]

I have been following some advice here on how to sync the chain using Geth (geth --cache=XXXX --fast). Yet I have been waiting for more than 24 hours for things to sync. Currently, it is at about 14 ...
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398 views

Is there a reason why my blockchain download stalls out at block ~2,429,000

I have downloaded the latest stable release of the ethereum wallet for windows. I installed everything and now I am just downloading. (I have repeated this process twice and the same issue has occured)...
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367 views

how to make geth import faster? [duplicate]

my computer is mac and it has run geth import for about a week, and it's 4000000 block now. I have ran geth --fast before and it's slow too. I am in china, is it something i can do to make it faster?
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Bought Ethreum with BTC, exchange freezed, sync freezed too

I've purchased ETH by BTC. My exchange stucked on "Awaiting Exchange" (like 2 hours now) and my Sync stucked at the same time (19%). What should I do now? Thank you!