Questions tagged [warp-sync]

Questions related to Parity's warp sync feature: https://github.com/ethcore/parity/wiki/Warp-Sync-Snapshot-Format

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parity initializing snapshot whole night

I have parity installed and synced. I went out of disk space. I moved the chain to bigger ssd. Then I started the parity service and let it run whole night. It did not finish. in log I can see ...
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0answers
50 views

State verification during full sync

How does the state verification work when doing a full sync from scratch? Does the state get generated locally for each block using the transactions downloaded (in the transaction trie) and then ...
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1answer
32 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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0answers
93 views

Parity warp sync doesn't return event logs

Our Dapp uses events as a form of storage. For connection to blockchain we use local Parity node. A couple of days ago I needed to resync it after the server failure. After the resync all methods ...
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0answers
169 views

Parity: with 'warp' sync enabled by default, is there still any advantage in using fast pruning?

From Parity Ethereum Documentation: Warp Sync is an extension to the Ethereum Wire protocol, which involves sending snapshots over the network to get the full state at a given block extremely ...
0
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1answer
307 views

How to setup parity light client?(warp sync is slow)

I have a full node synced using --warp but since I have a hdd, the final bit of the sync never catches up(due to the high transaction IO). How do I switch to a light clent on parity if I already have ...
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0answers
230 views

Parity syncing status for smart contract events with warp

So I'm trying to find the fastest way to fully sync a parity node in order to get all smart contract events, not just account states. The problem I've found is that when parity has warp syncing ...
2
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0answers
282 views

Transferring parity blockchain data to another machine does not work

For the past several days I have been trying to transfer the blockchain data from an x86_64 machine to an armv7l machine, hoping that I could avoid having to sync from scratch on the latter. However, ...
2
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3answers
2k views

Anything that can be done about slow Parity Sync?

I've tried resetting the sync and it still comes to a screeching halt around block number 2.4m. I know about the attacks on Ethereum around those blocks, but this is ridiculous: I've been syncing for ...
3
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1answer
478 views

Parity 1.7.8 is syncing the last few blocks very slowly

I have been using the parity client to download the ethereum database for the last few days. Despite using the warp sync to download it, I havent been able to download the last few blocks fast enough. ...
2
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1answer
803 views

Parity: avoid experimental `--light` but store minimal blockchain

Using parity --light is experimental, and this issue is currently blocking an initial sync. How can I avoid using --light but store minimal blockchain on disk? Something like: [footprint] ...
3
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2answers
606 views

parity --warp taking forever

I am trying to sync the parity wallet by running parity --warp Apparently this is only meant to take a couple of minutes, but this has been going on for a couple of hours. Does any know how much ...
3
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0answers
211 views

Run parity in warp up to a certain block and archive mode after that

Is there a way I can run parity in warp up to a certain non-latest block, say starting from block 3,000,000 after the network spam and full archival mode after that?
2
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1answer
2k views

Parity keeps restarting warp restore

It seems to be making progress in the Web UI and it shows in the bottom right, "70% warp restore, Homestead, 1/26/50 peers". After about 70%, it seems to encounter an error and restarts the warp ...
2
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1answer
1k views

Parity Windows slow sync despite --warp/latest vers etc

I run Parity (latest version) on Windows and the sync is super slow. I tried several flags proposed here aswell as the warp mode, although as i understand from teh FAQ this is default now any way?! ...
2
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1answer
965 views

How is Parity's “warp” sync related to Geth's “fast” sync?

A follow-up to this question. Geth's fast sync is one-shot. i.e. once we have synced some of the blockchain, we cannot use fast sync anymore. Is this the case for Parity? I ran it with warp, then ...
3
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1answer
2k views

Parity warp syncing slow

This is the first time I try to install an Ethereum client and I'm trying with Parity v1.6.6 on Arch Linux (sudo pacman -S parity). I read that the --warp option allows to save time not syncing the ...
3
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1answer
637 views

How much time until the state data is PoW validated when using parity warp?

Ethcore claims parity --warp only takes one minute to sync the chain. I tried myself and it indeed takes around 2-3 minutes on my machine with a slightly bad connection. 0 ✓ user@hoster ~ $ parity -...
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0answers
434 views

Parity --warp stops syncing at block 2,626,057 [closed]

The title says it all. I'm testing parity with --warp pruning fast. Was thrilled having started a node in ~10 min and synced the chain in ~1,5 hours. One day later I try to do transactions with the ...
21
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1answer
7k views

What is Parity's “warp” sync, and why is it faster than Geth “fast”?

A follow-up of one of the classic questions on this site: One of the answers to this question suggested using Geth's --fast flag to help quickly synchronise the block data. Now, parity comes with ...