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Author Topic: [1050 TH] BitMinter.com [1% PPLNS,Pays TxFees +MergedMining,Stratum,GBT,vardiff]  (Read 776137 times)
Mastergerund
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May 19, 2013, 01:40:43 AM

It was down for me too, but it appears to be working again now.

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GuiltySpark343
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May 19, 2013, 02:07:42 AM

Was seeing some very heavy traffic there for a moment. Seems better now.

Not sure if pool is/was under attack, but again website, API, and stratum server were all down. Network hashrate down to 3-4 TH/s due to all the disconnected miners.

I don't know half of you half as well as I should like; and I like less than half of you half as well as you deserve.
Ƀ:17wbDetEw2aESM5oWXbm5ih9NSdDruyWNT
DrHaribo
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May 19, 2013, 02:22:51 AM

Apologies for the downtime.

One of the servers ran into low memory issues. Seems everything is happening today at once. I'll be working to improve stability during the next few days.

▶▶▶ Bitminter.com - Your trusted mining pool since 2011.
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May 19, 2013, 03:24:07 AM

Apologies for the downtime.
One of the servers ran into low memory issues. Seems everything is happening today at once. I'll be working to improve stability during the next few days.

 Thanks for the update.

 Two requests.

1. Ability to sort workers alphabetically
2. Display my reward of each mined block on the Blocks (Income) page

 Great pool. Have been mining with you guys for a couple weeks now since Slush's rewards started getting wonky.
mdude77
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May 19, 2013, 05:42:50 PM

Having problems?  seem to be offline.

M

MMinerMonitor author, monitor/auto/schedule reboots/alerts/remote/MobileMiner for Ants and Spondoolies! Latest (5.2). MPoolMonitor author, monitor stats/workers for most pools, global BTC stats (current/nxt diff/USD val/hashrate/calc)! Latest (v4.2) 
Buyer beware of Bitmain hardware and services.
whitefeather
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May 19, 2013, 05:44:04 PM

Oh man. Down again. This is starting to become worrisome.
daddyfatsax
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May 19, 2013, 05:52:14 PM

Website went down, but mining was fine.
mdude77
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May 19, 2013, 05:53:09 PM

Website went down, but mining was fine.

All my workers gave up and switched.

M

MMinerMonitor author, monitor/auto/schedule reboots/alerts/remote/MobileMiner for Ants and Spondoolies! Latest (5.2). MPoolMonitor author, monitor stats/workers for most pools, global BTC stats (current/nxt diff/USD val/hashrate/calc)! Latest (v4.2) 
Buyer beware of Bitmain hardware and services.
DrHaribo
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May 19, 2013, 05:55:04 PM

Sorry, we just had a couple minutes of downtime again. bitcoind 0.8.1 seems to be a real cpu and memory hog sometimes, never saw such issues with 0.7.2. Going to try to free up more resources on the server where it runs.

1. Ability to sort workers alphabetically

Yeah, I'll probably make that the way it is sorted.

2. Display my reward of each mined block on the Blocks (Income) page

That's coming. Smiley

▶▶▶ Bitminter.com - Your trusted mining pool since 2011.
daddyfatsax
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May 19, 2013, 06:00:04 PM

Keep up the good work DrHaribo. You have a great pool.
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May 19, 2013, 06:10:31 PM

Thanks bro. Love your pool. Keep up the great work !

Sorry, we just had a couple minutes of downtime again. bitcoind 0.8.1 seems to be a real cpu and memory hog sometimes, never saw such issues with 0.7.2. Going to try to free up more resources on the server where it runs.

1. Ability to sort workers alphabetically

Yeah, I'll probably make that the way it is sorted.

2. Display my reward of each mined block on the Blocks (Income) page

That's coming. Smiley

gyverlb
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May 19, 2013, 06:32:10 PM

Sorry, we just had a couple minutes of downtime again. bitcoind 0.8.1 seems to be a real cpu and memory hog sometimes, never saw such issues with 0.7.2. Going to try to free up more resources on the server where it runs.

1. Ability to sort workers alphabetically

Yeah, I'll probably make that the way it is sorted.

2. Display my reward of each mined block on the Blocks (Income) page

That's coming. Smiley


There's a problem with some very large (in bytes) transactions slowing bitcoind RPC interface (getblocktemplate mainly) currently, p2pool users are battling with it. I find the latest git version is twice faster (but still slower than the average we are accustomed to).

P2pool tuning guide
Trade BTC for /$ at bitcoin.de (referral), it's cheaper and faster (acts as escrow and lets the buyers do bank transfers).
Tip: 17bdPfKXXvr7zETKRkPG14dEjfgBt5k2dd
mdude77
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May 19, 2013, 06:53:42 PM

Sorry, we just had a couple minutes of downtime again. bitcoind 0.8.1 seems to be a real cpu and memory hog sometimes, never saw such issues with 0.7.2. Going to try to free up more resources on the server where it runs.

1. Ability to sort workers alphabetically

Yeah, I'll probably make that the way it is sorted.

2. Display my reward of each mined block on the Blocks (Income) page

That's coming. Smiley


There's a problem with some very large (in bytes) transactions slowing bitcoind RPC interface (getblocktemplate mainly) currently, p2pool users are battling with it. I find the latest git version is twice faster (but still slower than the average we are accustomed to).

I don't think it's size related.  I think it's time related.  Like there's a leak somewhere or something.  Mine starts low and slowly gets larger.

M

MMinerMonitor author, monitor/auto/schedule reboots/alerts/remote/MobileMiner for Ants and Spondoolies! Latest (5.2). MPoolMonitor author, monitor stats/workers for most pools, global BTC stats (current/nxt diff/USD val/hashrate/calc)! Latest (v4.2) 
Buyer beware of Bitmain hardware and services.
gyverlb
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May 19, 2013, 07:17:18 PM

Sorry, we just had a couple minutes of downtime again. bitcoind 0.8.1 seems to be a real cpu and memory hog sometimes, never saw such issues with 0.7.2. Going to try to free up more resources on the server where it runs.

1. Ability to sort workers alphabetically

Yeah, I'll probably make that the way it is sorted.

2. Display my reward of each mined block on the Blocks (Income) page

That's coming. Smiley


There's a problem with some very large (in bytes) transactions slowing bitcoind RPC interface (getblocktemplate mainly) currently, p2pool users are battling with it. I find the latest git version is twice faster (but still slower than the average we are accustomed to).

I don't think it's size related.  I think it's time related.  Like there's a leak somewhere or something.  Mine starts low and slowly gets larger.

M

bitcoind getmininginfo result:
Code:
{
    "blocks" : 236952,
    "currentblocksize" : 49792,
    "currentblocktx" : 122,
    "difficulty" : 11187257.46136079,
    "errors" : "This is a pre-release test build - use at your own risk - do not use for mining or merchant applications",
    "generate" : false,
    "genproclimit" : -1,
    "hashespersec" : 0,
    "pooledtx" : 1693,
    "testnet" : false
}
Notice the pooledtx? There are lots of transactions waiting to go into a block. And I use aggressive settings (latest git with minrelaytxfee set to 0.005) to filter low fees transactions: blockchain.info reports more than 2300 tx totalling 13MB. So ordinary bitcoind installations are suffering right now.

P2pool tuning guide
Trade BTC for /$ at bitcoin.de (referral), it's cheaper and faster (acts as escrow and lets the buyers do bank transfers).
Tip: 17bdPfKXXvr7zETKRkPG14dEjfgBt5k2dd
DrHaribo
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May 19, 2013, 07:49:57 PM

Thanks for the info, guys.

I also see bitcoind driving one CPU core at 100% for 1-3 seconds. That happens several times per minute. Looking at the log before and as it happens, the only thing I see is new transactions being received.

And yeah, memory usage is much much higher than it used to be.

Maybe I should try the latest from git. I don't like running code that hasn't seen much testing, though.

▶▶▶ Bitminter.com - Your trusted mining pool since 2011.
gyverlb
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May 19, 2013, 08:30:41 PM

Thanks for the info, guys.

I also see bitcoind driving one CPU core at 100% for 1-3 seconds. That happens several times per minute. Looking at the log before and as it happens, the only thing I see is new transactions being received.

And yeah, memory usage is much much higher than it used to be.

Maybe I should try the latest from git. I don't like running code that hasn't seen much testing, though.


The on-disk storage format didn't change.
As a p2pool user with BitMinter as backup pool Wink I didn't have any hesitation testing the current git HEAD.

If I were in your shoes, I'd make a backup copy of the blockchain with rsync (maybe using its --bwlimit parameter to avoid stressing your storage) in a backup dir while compiling the new bitcoind.
Archive the old bitcoind, move the new over.
Once these steps are done, stop bitcoind, rsync one last time (should be very fast) to make sure you have a consistent backup and start the new bitcoind.
Useful bitcoin.conf parameters for a pool owner who wants to minimize downtime:
Code:
checkblocks=72
checklevel=1
bitcoind startup is much quicker (defaults are 288 and 3 IIRC).

Any problem with the new bitcoind: stop and start the old one. Any on-disk corruption by the new bitcoind, stop, restore backup, start. Syncing a few hours/days worth of blocks should be fast.

P2pool tuning guide
Trade BTC for /$ at bitcoin.de (referral), it's cheaper and faster (acts as escrow and lets the buyers do bank transfers).
Tip: 17bdPfKXXvr7zETKRkPG14dEjfgBt5k2dd
gyverlb
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May 19, 2013, 08:35:28 PM

(latest git with minrelaytxfee set to 0.005)
I might have been mistaken: the git HEAD version uses satoshis for this parameter (which means it probably is faster than 0.8.1 even with defaults parameters). I converted it to satoshis and my latency is back to <0.10s.

P2pool tuning guide
Trade BTC for /$ at bitcoin.de (referral), it's cheaper and faster (acts as escrow and lets the buyers do bank transfers).
Tip: 17bdPfKXXvr7zETKRkPG14dEjfgBt5k2dd
gyverlb
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May 19, 2013, 08:52:58 PM

(latest git with minrelaytxfee set to 0.005)
I might have been mistaken: the git HEAD version uses satoshis for this parameter (which means it probably is faster than 0.8.1 even with defaults parameters). I converted it to satoshis and my latency is back to <0.10s.
Scratch that, Prattler analysed the bitcoin sources and I was right initially (which means my very good latencies were because my bitcoind didn't include any transactions in its memory pool...).

P2pool tuning guide
Trade BTC for /$ at bitcoin.de (referral), it's cheaper and faster (acts as escrow and lets the buyers do bank transfers).
Tip: 17bdPfKXXvr7zETKRkPG14dEjfgBt5k2dd
GuiltySpark343
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May 20, 2013, 01:44:25 PM

Can you please add Idle Worker Notification to Bitminter? Grin
Yep, that's coming soon.

Goody! Can you also add payout notification via email as well?  Grin

I don't know half of you half as well as I should like; and I like less than half of you half as well as you deserve.
Ƀ:17wbDetEw2aESM5oWXbm5ih9NSdDruyWNT
FanDjangoBTC
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May 20, 2013, 08:41:15 PM

Down again?
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