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Author Topic: Electrum server discussion thread  (Read 51333 times)
tnkflx
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March 22, 2016, 05:36:54 PM
 #361

The fact that there are less than 50 servers scares me quite a bit.
What happens if all the Electrum servers go offline?

If all 50 servers disappear, you can still set up your own Smiley

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March 22, 2016, 05:49:37 PM
 #362

The fact that there are less than 50 servers scares me quite a bit.
What happens if all the Electrum servers go offline?

If all 50 servers disappear, you can still set up your own Smiley

And with that one I can then send my BTC to a non-light wallet, by making a last transfer from Electrum to another BTC address, right?

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tnkflx
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March 22, 2016, 05:57:58 PM
 #363

The fact that there are less than 50 servers scares me quite a bit.
What happens if all the Electrum servers go offline?

If all 50 servers disappear, you can still set up your own Smiley

And with that one I can then send my BTC to a non-light wallet, by making a last transfer from Electrum to another BTC address, right?
Indeed.

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GODLIKE
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March 22, 2016, 06:47:34 PM
 #364

The fact that there are less than 50 servers scares me quite a bit.
What happens if all the Electrum servers go offline?

If all 50 servers disappear, you can still set up your own Smiley

And with that one I can then send my BTC to a non-light wallet, by making a last transfer from Electrum to another BTC address, right?
Indeed.

OK, thank you Smiley
However, aren't 50 server a bit few?
I mean, I didn't have performance problems up to now, but in the future?

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sdp
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March 22, 2016, 07:13:14 PM
 #365

If you want a network that will pay the w nodes rather than only the miners.   Then you have dash.   Otherwise we can fork the client source code to pay to the electrum server as well as the miner fee.  Only people who are both savvy enough to use github and who care about the electrum server count enough would ever use such a client though.  There are other light clients out there that don't use electrum servers.   These clients have to do more work.

I am concerned about transactions with 0.1mBTC for a transaction not getting through.  If the user must add another 0.1mBTC, the users might decide to go with some other light client.   

sdp

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tnkflx
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March 22, 2016, 07:13:48 PM
 #366

The fact that there are less than 50 servers scares me quite a bit.
What happens if all the Electrum servers go offline?

If all 50 servers disappear, you can still set up your own Smiley

And with that one I can then send my BTC to a non-light wallet, by making a last transfer from Electrum to another BTC address, right?
Indeed.

OK, thank you Smiley
However, aren't 50 server a bit few?
I mean, I didn't have performance problems up to now, but in the future?

The Electrum developers will probably tackle that if it ever becomes a problem, don't worry Smiley

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JWU42
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March 30, 2016, 11:03:05 AM
 #367

The fact that there are less than 50 servers scares me quite a bit.
What happens if all the Electrum servers go offline?

If all 50 servers disappear, you can still set up your own Smiley

And with that one I can then send my BTC to a non-light wallet, by making a last transfer from Electrum to another BTC address, right?
Indeed.

OK, thank you Smiley
However, aren't 50 server a bit few?
I mean, I didn't have performance problems up to now, but in the future?

The Electrum developers will probably tackle that if it ever becomes a problem, don't worry Smiley

There are plenty of servers to satisfy the current number of clients.  If anything, I am probably going to shut down a server or two as the load is negligible.

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MusX
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June 01, 2016, 07:51:54 PM
 #368

Any knows or have a good reference on starting electrum-server in regtest mode? I tried to setup it in VM but the installation steps are outdated, at least for Ubuntu - fails on `python setup.py install` step. Optionally if anyone knows updated electrum-server docker image?

huanghao2008
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June 11, 2016, 06:45:09 AM
 #369

root@iZ94bc81uuyZ:~# electrum-server start
Server already running (pid Do not run this program as root!
Run the install script to create a non-privileged user.)

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huanghao2008
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June 11, 2016, 06:51:13 AM
 #370

run run_electrum_server.py in user:
INFO:electrum:reorganizing, a block in file is orphaned: af995b0c0f6b73250c877899ada43a2cb9ff9f6cfcbb98fe4235581562f1b97a

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MusX
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June 11, 2016, 01:20:30 PM
 #371

Any knows or have a good reference on starting electrum-server in regtest mode? I tried to setup it in VM but the installation steps are outdated, at least for Ubuntu - fails on `python setup.py install` step. Optionally if anyone knows updated electrum-server docker image?
maybe anyone knows an alternative spv wallet + server for it that can be easily started from docker or complete script?

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August 19, 2016, 03:10:44 PM
 #372

Hi All,

I'm trying to get a new electrum server started, but it doesn't seem to sync all the way with bitcoind.  Bitcoind is up to the latest block, but electrum server is almost 1000 blocks behind it and falling further behind.  At one point it was 941 blocks behind, then 966 blocks behind, ...

Edit: Can it take that much longer to process via electrum than to keep up with the blockchain with bitcoind?  That is, if the hardware can keep up with bitcoind with lots of CPU and RAM to spare, shouldn't it be possible for electrum-server to catch up?  The log just shows it dropping further and further behind.  Perhaps I'm just missing something here?
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August 19, 2016, 06:28:08 PM
 #373

Hi All,

I'm trying to get a new electrum server started, but it doesn't seem to sync all the way with bitcoind.  Bitcoind is up to the latest block, but electrum server is almost 1000 blocks behind it and falling further behind.  At one point it was 941 blocks behind, then 966 blocks behind, ...

Edit: Can it take that much longer to process via electrum than to keep up with the blockchain with bitcoind?  That is, if the hardware can keep up with bitcoind with lots of CPU and RAM to spare, shouldn't it be possible for electrum-server to catch up?  The log just shows it dropping further and further behind.  Perhaps I'm just missing something here?

The thing is slow. In my experience it take a lot more resources than bitcoind per block to digest. Maybe the insert into the patricia tree (?) utxo data structure is to blame? I wouldn't know.

There was an alternative implementation mentioned further up (in java?). I've been wanting to give it a try, but there's no pressure (the machine I use for electrum server has plenty of juice). Maybe you can try it and report back?

EDIT: found the post:

Are there any news about server re-write, with faster block processing?
Fireduck re-wrote electrum-server in Java and it processes blocks much faster than the original Python version.
See https://bitcointalk.org/index.php?topic=726338.0

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EvryIntl
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August 19, 2016, 07:15:53 PM
 #374

Hi All,

I'm trying to get a new electrum server started, but it doesn't seem to sync all the way with bitcoind.  Bitcoind is up to the latest block, but electrum server is almost 1000 blocks behind it and falling further behind.  At one point it was 941 blocks behind, then 966 blocks behind, ...

Edit: Can it take that much longer to process via electrum than to keep up with the blockchain with bitcoind?  That is, if the hardware can keep up with bitcoind with lots of CPU and RAM to spare, shouldn't it be possible for electrum-server to catch up?  The log just shows it dropping further and further behind.  Perhaps I'm just missing something here?

The thing is slow. In my experience it take a lot more resources than bitcoind per block to digest. Maybe the insert into the patricia tree (?) utxo data structure is to blame? I wouldn't know.

There was an alternative implementation mentioned further up (in java?). I've been wanting to give it a try, but there's no pressure (the machine I use for electrum server has plenty of juice). Maybe you can try it and report back?

EDIT: found the post:

Are there any news about server re-write, with faster block processing?
Fireduck re-wrote electrum-server in Java and it processes blocks much faster than the original Python version.
See https://bitcointalk.org/index.php?topic=726338.0

I'll give it a try tonight.  It continues to fall further behind bitcoind, so I have to try something.  I'll report back tomorrow.  Thanks for the suggestion.
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October 24, 2016, 09:53:05 PM
 #375

Some interesting things brewing in the world of electrum servers...

ElectrumX announced and showing potential.

Fireduck is back to hacking away (in his spare time) on Jelectrum


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