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mitruth
@mitruth
Hello ! I am having a problem for the last days and cannot seem to solve it. I am running a private network and wanted to update parity version from 2.5.8 to 2.7.2. Previous version (2.5.8) worked perfectly, but from 2.5.12 (yes, I have tested all newer versions up until the one I need, which is 2.7.2) I keep getting the same error: "Illegal instruction (core dumped)". I tried everything I could find online: build from sources and then run it, check CPU instruction set to see if it was too old to run it and also to see if it caused my computer to run out of memory. I am wondering, has anyone else faced this issue, and if so, how did you solve it? Thank you for your time.
ldeffenb
@ldeffenb

@mitruth Your issue probably has to do with running on an "older" CPU without AVX instructions. Apparently the RocksDB now requires them in the binary builds. There's some incantation you can do while building your own parity from source that can customize the binary for your CPU. Search for "parity crashes with Illegal instruction" and read up on it in those results. Particularly:

openethereum/openethereum#9684
openethereum/openethereum#11321

And my build experience and comments can be found at:

openethereum/openethereum#11667

My final comment on April 30 was the key to getting the illegal instruction to quit happening. Otherwise that post documents my issues trying to even get the source build to work so that I COULD eliminate the unavailable instructions from the bulit binaries.

mitruth
@mitruth
@ldeffenb Thank you for your answer, it solved the problem !
Christian Seberino
@cseberino
Why did the Parity Ethereum client disappear?
Did it get renamed or
something?
OK fine it is called OpenEthereum now
does it still work the same AND support Ethereum Classic like before?
Robbie
@gmork
@cseberino yes it does! more background info via https://www.parity.io/parity-ethereum-openethereum-dao/
Christian Seberino
@cseberino
@gmork Thanks. That seemed to be staying, in the politest way possible, that Parity is abandoning it. Do you think new DAO members will be able to keep up maintenance? Or will it slowly decay?
Robbie
@gmork
@cseberino seems like a positive change to me, but how it will evolve… maybe someone from Parity can chime in on this topic and help you out? ;)
Robbie
@gmork
I just joined this channel out of curiosity after running a full openetherum node now since a couple of days, one of the 173 even according to ethernodes.org :) And as the second largest client, I’m pretty sure it’s going to be maintained by someone, no? Running on the geth codebase only would impose a huge risk for the whole ethereum network I assume
Robbie
@gmork
oh and I was wondering if the local synced node data can be kept upgrading from 3.0.0 to the 3.0.1 version, if somebody knows the answer to that that would be nice ;-)
Christian Seberino
@cseberino
Ok thanks
Kevin Melberger
@kevinibt
I'm getting no peers available for Kovan network. Does any one have the URL for the Kovan Node Explorer? I want to see if any nodes are actually running. I just upgraded from Parity to Open Ethereum and can't see to get a peer connection. My transactions are failing, since I'm not an authority node
Cyber Peach
@peachwaravich
Sorry, I got a problem, How do fix it? , I need export block data.
image.png
Christian Seberino
@cseberino
Where does openethereum store the list of boot nodes? How inspect?
Robbie
@gmork
@cseberino there’s a list in chains/ethereum/network/nodes.json on my install, though I’m not sure if those were there from the start or just generated while running ;)
Christian Seberino
@cseberino
@gmork T you very much. I appreciate it
hank
Christian Seberino
@cseberino

Can I kindly ask what would cause OpenEthereum not never finish syncing?
Here is how I started OpenEthereum....

/home/openethereum --chain classic                                   \
                             --jsonrpc-apis eth,net,personal,web3              \
                             --min-peers 25                                    \
                             --max-peers 50

Here is what I've seen for multiple days that never changes when I the eth_sycing RPC command....

{'jsonrpc': '2.0', 'result': {'currentBlock': '0xa03ae9', 'highestBlock': '0xa19f1e', 'startingBlock': '0xa03ae9', 'warpChunksAmount': '0x61f', 'warpChunksProcessed': '0x47f'}, 'id': 1}

I'm on the Ethereum Classic chain

Dycedlp
@Dycedlp
I also want to ask about node syncing. For a private network if it’s not syncing to peers even if provided in a reserved peers list and bootnode how do I check connectivity? What has to be done for them to connect they all have the same genesis files and have the same enode lists
zenoofthefuture
@zenoofthefuture
Hello guys. It has been quite a while. If I have done a 3 node POA network, should I do that or run a substrate-based setup for an asset?
matrixbot
@matrixbot
Ryan 😀
matrixbot
@matrixbot
Gică Ciocanu Pneumatic hi
Cash
@Cash_Coins__twitter
hello everyone. Any idea about faliure on QR parsing ? Parity Signer app for Android used to sign a Kusama tx on Polkadot.js webapp
emmanuel agahiu
@alcantara64_gitlab
hi guys, I want to set up a private blockchain on my Azure VM. I am not very clear on how to do this
song
@tkicaso_twitter

Hello

I'd appreciate it if anyone could tell me.

Move Parity Wallet Large Blockchain files to another drive (Windows)
Ask.

Installing from Windows10
Version parity-ui-setup-0.3.4

I tried following the site below, but it's not working.
https://ethereum.stackexchange.com/questions/24854/move-parity-wallet-large-blockchain-files-to-another-drive-windows

Thank you for reading it.

Valeriy Dubrava
@ValeryDubrava
Hello! Can someone give me to download archive node data? Is it possible at all?
Foundation mainnet is required
enertom
@enertom
Hello! Could you help me with high memory usage https://i.imgur.com/GTuZ4MS.png?
--cache-size=512, but it use 16Gb
--cache-size=512 --jsonrpc-port=60000 --ws-port=60001 --jsonrpc-interface all --jsonrpc-server-threads=8 --ws-interface all --db-compaction=ssd --pruning fast --mode active -l sync=info --no-warp --pruning-history=1000000
Naiem Yeganeh
@naiemk

Hi guys. I am syncing a parity on a digital ocean node (8GB 4CPU). It has reached 10333718 but only syncing .2 to .4 blocks per second.
With this speed it is always 70k behind mainnet forever.

Config is 5GB cache and all the usual setup. I have had the same setup syncing before on a google cloud host.

What can I do to speed it up a bit?

Naiem Yeganeh
@naiemk
I doubled the machine size 6CPU 16GB and gave 14GB to cache. Only slight improvement on sync speed. digitalocean says their SSDs have 200Mb/s performance. The parity sync speed is way way lower so I doughbt its SSD speed. And machine is now beefy enough.
Cannot understand where is the bottleneck?
Naiem Yeganeh
@naiemk
Now I am running a geth node on the same machine and the sync speed for openethereum has not dropped! Geth node is syncing fine as well
image.png
none of the nodes using anywhere close to the resources available to them
Pritam Roy
@pRoy24
Hi, I am trying to access a parity node via RPC url setup on a GCP instance from a different GCP instance. I have set the allow_ips = "all" in the config.toml file and opened the relevant firewall settings . But still getting Error: Invalid JSON RPC response: "" when trying to access.
1 reply
Naiem Yeganeh
@naiemk
Is anyone able to sync a parity node these days? Testnet or mainnet? I am very frustrated and tried anything I could imagine still 0.4 to 0.8 blk/s
Peter Haas
@pepihasenfuss
I'm running Parity-Ethereum/v2.7.2-stable-d961010f63-20200205/x86_64-apple-darwin/rustc1.41.0 on goerli testnet, it works fine. Perhaps, you're running parity on a slow harddrive, geth and parity need ssd to run better. But, a slow sync may have many different reasons, sorry, no better idea here.
Peter Haas
@pepihasenfuss
Perhaps, you might check the number of peers your node gets. Try to increase the peers you're connecting to. Add peers for booting up while starting parity, therefore you should run parity --version for more details. You'll find reliable peers to start parity. Your config file or the console parameters you're adding to start parity should include some peers, i.e. enodes that you may connect to. Just an idea.
Naiem Yeganeh
@naiemk
Node is running on the same exact VM that synced before. Its a GCE instance with SSD. For rinkeby I get 44/100 peers. My config is min peers 50, max 100

$ parity --version
Parity Ethereum Client.
version Parity-Ethereum/v2.7.2-stable-2662d19-20200206/x86_64-unknown-linux-gnu/rustc1.41.0
Copyright 2015-2020 Parity Technologies (UK) Ltd.
License GPLv3+: GNU GPL version 3 or later http://gnu.org/licenses/gpl.html.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

By Wood/Paronyan/Kotewicz/Drwięga/Volf/Greeff
Habermeier/Czaban/Gotchac/Redman/Nikolsky
Schoedon/Tang/Adolfsson/Silva/Palm/Hirsz et al.

Re: Add peers for booting up while starting parity. -> Are there any examples? Where can I find a list of boot nodes to add to config
Peter Haas
@pepihasenfuss
mainnet bootnodes, I've used in the past, I don't know how many of them are valid as of today, but perhaps this is a start:
btw, start with parity --help and dig through all the options
Thomas Jay Rush
@tjayrush
@naiemk I have two parity archive nodes synced on the mainnet up to block > 10,400,000. Takes forever to sync, but once synced it seems to stay synced.
Naiem Yeganeh
@naiemk
thanks for update