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Author Topic: [XMR] Monero - A secure, private, untraceable cryptocurrency  (Read 4548437 times)
nioc
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December 14, 2014, 05:06:42 AM
 #18101

And now 4 giga fucking byte is considered short...

Valid point, but I'd just say that at 4 GB you are pretty close to a critical point where even a small increase would have a disproportionately large benefit. The blockchain on disk is currently 3.2 GB. I don't know how that translates directly to in-RAM usage but I guess it might be slightly higher (or at least higher including other code, other applications, etc.). So you are right on the cusp of it being able to fit in RAM with a bit left over for I/O buffers and not being able to fit (i.e. swapping). 6 GB would probably be much faster than 4 GB and 2 GB is definitely much slower (I've tested it).

Summary: I recommend 6+ GB for best performance currently, 2+ GB for a bare minimum (with questionable at best performance). 4 GB is in between.


I have not upgraded RAM because we are getting the new DB soon®.  Is it correct to assume that 4GB will be sufficient for good performance with the new DB?

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December 14, 2014, 05:09:21 AM
 #18102

And now 4 giga fucking byte is considered short...

Valid point, but I'd just say that at 4 GB you are pretty close to a critical point where even a small increase would have a disproportionately large benefit. The blockchain on disk is currently 3.2 GB. I don't know how that translates directly to in-RAM usage but I guess it might be slightly higher (or at least higher including other code, other applications, etc.). So you are right on the cusp of it being able to fit in RAM with a bit left over for I/O buffers and not being able to fit (i.e. swapping). 6 GB would probably be much faster than 4 GB and 2 GB is definitely much slower (I've tested it).

Summary: I recommend 6+ GB for best performance currently, 2+ GB for a bare minimum (with questionable at best performance). 4 GB is in between.


I have not upgraded RAM because we are getting the new DB soon®.  Is it correct to assume that 4GB will be sufficient for good performance with the new DB?

4 GB is plenty for that. Problems are still being found in testing (that's the point of it cf course) so it is good to be realistic about "soon". 4 GB does work (and as David pointed out, quite reasonably with an SSD), so not really an urgent issue in any case.

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December 14, 2014, 05:32:18 AM
 #18103

HI,Everybody,pls help me
My xmr wallet can not sync.I get the following errors:


014-Dec-14 21:20:37.969435 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:21:37.093539 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:22:36.077242 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:23:34.982946 [P2P9]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:24:34.107049 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:25:33.231153 [P2P7]Failed to connect to any of seed peers, continuing without seeds
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December 14, 2014, 05:40:08 AM
 #18104

HI,Everybody,pls help me
My xmr wallet can not sync.I get the following errors:


014-Dec-14 21:20:37.969435 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:21:37.093539 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:22:36.077242 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:23:34.982946 [P2P9]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:24:34.107049 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:25:33.231153 [P2P7]Failed to connect to any of seed peers, continuing without seeds

Which version are you using?
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December 14, 2014, 05:56:31 AM
Last edit: December 14, 2014, 06:22:53 AM by osensei
 #18105

And now 4 giga fucking byte is considered short...

Valid point, but I'd just say that at 4 GB you are pretty close to a critical point where even a small increase would have a disproportionately large benefit. The blockchain on disk is currently 3.2 GB. I don't know how that translates directly to in-RAM usage but I guess it might be slightly higher (or at least higher including other code, other applications, etc.). So you are right on the cusp of it being able to fit in RAM with a bit left over for I/O buffers and not being able to fit (i.e. swapping). 6 GB would probably be much faster than 4 GB and 2 GB is definitely much slower (I've tested it).

Summary: I recommend 6+ GB for best performance currently, 2+ GB for a bare minimum (with questionable at best performance). 4 GB is in between.






On my end, I'm running the daemon in a VirtualBox VM with Ubuntu 14.04 server, 1 GB of RAM assigned to it, and a 6GB swap file. I have commented out the parts of the code that force the blockchain to be saved every 12 hours. It takes a LOT of time to load the first time, but that's the only one time that I need to wait for the blockchain to load into RAM, as I don't ever stop the daemon unless I update it. When I want to "close" the daemon I just close the VM saving the current state (not powering it off, but saving the current state so I can resume it later). Next time I want to run it, I just resume the VM and it continues as if nothing had happened, and starts syncing the blockchain right away. I don't have to wait for the blockchain to be loaded into RAM/swap and it only uses 1GB of my physical RAM.

I run simplewallet on my host machine (meaning not in the VM) and forward local port 18081 to the VM running the daemon through VirtualBox NAT Networks settings.

I do this on my laptop, which has 4GB of RAM and HDD (hybrid drive really, but for writing operations is the same as plain HDD).



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December 14, 2014, 07:34:03 AM
 #18106

I'm pretty sure that most of these scam ICOs, if not all of them, involve the scammers running their own BTC through the ICO and ending up with both the BTC and the coin. So a disguised premine, with some extra BTC (but a much smaller unknowable amount) from idiots as a bonus.
I confirm from acquaintances: ICO are faked.

On a particular machine, sure. For example, if you are swapping lot, that will indeed happen on lot faster on a SSD, so it will speed up, but the underlying cause of the bigger slow down is the lack of RAM. People were talking about many minutes to an hour for a save. That is not pushing the limits of any HDD sequential speed, at all.
Old machine: Mintbox, 4Gb, 5400 RPM HDD, 4Gb. More than one hour
New machine: Laptop, 4Gb, SSD. A dozen minute top.

See bolded above. SSD helps a lot if you are already short of RAM (which at 4 GB, you are). Bump up the RAM on there and a dozen minutes will be down to a minute or two (more or less regardless of drive).


I like you smooth, and I love that you are a XMR dev, but I will give 2 XMR just to see you admit that you were incorrect, for once.

You are (unsuccessfully) arguing that the write speed of a drive is irrelevant to the time required to write a file to a drive.  Huh
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December 14, 2014, 07:58:05 AM
 #18107

I'm pretty sure that most of these scam ICOs, if not all of them, involve the scammers running their own BTC through the ICO and ending up with both the BTC and the coin. So a disguised premine, with some extra BTC (but a much smaller unknowable amount) from idiots as a bonus.
I confirm from acquaintances: ICO are faked.

On a particular machine, sure. For example, if you are swapping lot, that will indeed happen on lot faster on a SSD, so it will speed up, but the underlying cause of the bigger slow down is the lack of RAM. People were talking about many minutes to an hour for a save. That is not pushing the limits of any HDD sequential speed, at all.
Old machine: Mintbox, 4Gb, 5400 RPM HDD, 4Gb. More than one hour
New machine: Laptop, 4Gb, SSD. A dozen minute top.

See bolded above. SSD helps a lot if you are already short of RAM (which at 4 GB, you are). Bump up the RAM on there and a dozen minutes will be down to a minute or two (more or less regardless of drive).


I like you smooth, and I love that you are a XMR dev, but I will give 2 XMR just to see you admit that you were incorrect, for once.

You are (unsuccessfully) arguing that the write speed of a drive is irrelevant to the time required to write a file to a drive.  Huh

I think you need to learn what fsync does and whether or not there is one in the daemon.

But this is off topic for the thread, so let's stop now.
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December 14, 2014, 08:01:18 AM
 #18108

One in the right place, apparently
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December 14, 2014, 09:13:01 AM
 #18109

* David Latapie remembers working on a 486DX

DX and SX for with and without internal maths co processor if I remember

hat an idiot W
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December 14, 2014, 10:23:59 AM
 #18110



Quote
MyMonero is temporarily offline for emergency maintenance, and will return within a few hours

nothing critical, i hope...

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December 14, 2014, 10:52:54 AM
 #18111



Quote
MyMonero is temporarily offline for emergency maintenance, and will return within a few hours

nothing critical, i hope...

LOL it's gone, your money. live with(out) that  Cool naw back on track, beeing serious, we might need a way to import mymonero wallet credentials into a local wallet copy. Having a website is convenient, but sometimes one just needs a second pathway to access funds.
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December 14, 2014, 11:02:48 AM
 #18112



Quote
MyMonero is temporarily offline for emergency maintenance, and will return within a few hours

nothing critical, i hope...

LOL it's gone, your money. live with(out) it  Cool naw back on track, beeing serious, we might need a way to import mymonero wallet credentials into a local wallet copy. Having a website is convenient, but sometimes one just needs a second pathway to access funds.

I thought you would be able to use the seed words to re-create the wallet using simplewallet, Am I wrong?


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December 14, 2014, 11:03:17 AM
 #18113

Quote
MyMonero is temporarily offline for emergency maintenance, and will return within a few hours

nothing critical, i hope...

Nothing related to coins as at all. It is a network facilities issue.
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December 14, 2014, 11:06:06 AM
 #18114

HI,Everybody,pls help me
My xmr wallet can not sync.I get the following errors:


014-Dec-14 21:20:37.969435 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:21:37.093539 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:22:36.077242 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:23:34.982946 [P2P9]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:24:34.107049 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:25:33.231153 [P2P7]Failed to connect to any of seed peers, continuing without seeds

Which version are you using?


Dear smotth,I use the latest versio 0.8.8.8.6 from OP
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December 14, 2014, 11:08:29 AM
 #18115

I thought you would be able to use the seed words to re-create the wallet using simplewallet, Am I wrong?

That is the plan but there are some bugs that needed to be fixed to actually do that; the current simplewallet build isn't quite up to the task. Some of them are fixed in github and some are waiting to be merged.

However, as long as you have your seed words recorded, in the event of a sudden failure of the site, you can be sure the fixes would be pushed through (even someone other than the core devs could do it) and you would indeed be able to recover your coins.

The current issue with the site will be resolved shortly so no reason to go into emergency recovery mode just yet.

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December 14, 2014, 11:14:53 AM
 #18116

HI,Everybody,pls help me
My xmr wallet can not sync.I get the following errors:


014-Dec-14 21:20:37.969435 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:21:37.093539 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:22:36.077242 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:23:34.982946 [P2P9]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:24:34.107049 [P2P7]Failed to connect to any of seed peers, continuing without seeds
014-Dec-14 21:25:33.231153 [P2P7]Failed to connect to any of seed peers, continuing without seeds

Which version are you using?


Dear smotth,I use the latest versio 0.8.8.8.6 from OP

We'll have to figure out what's gone wrong with the built-in seed nodes, but for now you can use one of these options on the command line:

Code:
bitmonerod --seed-node 198.74.231.92:18080
bitmonerod --seed-node 182.92.68.201:18080
bitmonerod --seed-node 37.187.75.56:18080

You will only need to do that once, after that your p2pstate file will have everything it needs to connect to the network.

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December 14, 2014, 11:30:48 AM
 #18117

Nice work, jwinterm. Good-looking and functional GUI wallet.
 Cool
I will get around to trying the new GUI soon.

Can you please elaborate on what the version cutoff is for a "deprecated" wallet? (My apologies if it is in the readme or something)

To be honest, I'm not sure, but I think it is basically if you created a wallet in April or May. The current workaround for deprecated wallets is to use v0.8.8.4 to import the keys file and update the wallet, then you can use it in v0.8.8.5/6, but it will be fixed in the next simplewallet release. I'm pretty sure if you have an electrum seed for your wallet, then it's not deprecated.

My compliments on your work. To be clear, this still takes a lot of your RAM or doesn't it?

EDIT: I had to much beers, if I am reading the text correct it shouldn't eat up your RAM. If I can give you some advice, I would make the "tabs" horizontal instead of vertical, bit hard to read now (could be the alcohol, but still Tongue). Another point, if you create a new wallet the seed will be stored in a plain text file without encryption. I would advise to make some kind of announcement everytime you create a new wallet to encrypt to file or to make it a default thing to encrypt the textfile with the seed.

Thanks dEBRUYNE. I will try out the tabs horizontal and see how they look. There is (should be) a message that pops up everytime you create a wallet though, saying this info.txt file has your seed and you should delete or encrypt it. Maybe I should change the name of that file to "DELETE OR ENCRYPT THIS FILE IMMEDIATELY.txt" Tongue
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December 14, 2014, 11:33:16 AM
 #18118

Nice work, jwinterm. Good-looking and functional GUI wallet.
 Cool
I will get around to trying the new GUI soon.

Can you please elaborate on what the version cutoff is for a "deprecated" wallet? (My apologies if it is in the readme or something)

To be honest, I'm not sure, but I think it is basically if you created a wallet in April or May. The current workaround for deprecated wallets is to use v0.8.8.4 to import the keys file and update the wallet, then you can use it in v0.8.8.5/6, but it will be fixed in the next simplewallet release. I'm pretty sure if you have an electrum seed for your wallet, then it's not deprecated.

My compliments on your work. To be clear, this still takes a lot of your RAM or doesn't it?

EDIT: I had to much beers, if I am reading the text correct it shouldn't eat up your RAM. If I can give you some advice, I would make the "tabs" horizontal instead of vertical, bit hard to read now (could be the alcohol, but still Tongue). Another point, if you create a new wallet the seed will be stored in a plain text file without encryption. I would advise to make some kind of announcement everytime you create a new wallet to encrypt to file or to make it a default thing to encrypt the textfile with the seed.

Thanks dEBRUYNE. I will try out the tabs horizontal and see how they look. There is (should be) a message that pops up everytime you create a wallet though, saying this info.txt file has your seed and you should delete or encrypt it. Maybe I should change the name of that file to "DELETE OR ENCRYPT THIS FILE IMMEDIATELY.txt" Tongue

If you delete it, it is a good idea to use a "secure erase" or "shred" type utility. Otherwise the contents may stick around in file system free space. Less of an issue for SSDs, depending on OS and other factors.

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December 14, 2014, 11:36:03 AM
 #18119


If you delete it, it is a good idea to use a "secure erase" or "shred" type utility. Otherwise the contents may stick around in file system free space. Less of an issue for SSDs, depending on OS and other factors.


Good point, smooth. I will definitely add that into the popup that comes up after you create a new wallet.
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December 14, 2014, 12:19:20 PM
 #18120

Nice work, jwinterm. Good-looking and functional GUI wallet.
 Cool
I will get around to trying the new GUI soon.

Can you please elaborate on what the version cutoff is for a "deprecated" wallet? (My apologies if it is in the readme or something)

To be honest, I'm not sure, but I think it is basically if you created a wallet in April or May. The current workaround for deprecated wallets is to use v0.8.8.4 to import the keys file and update the wallet, then you can use it in v0.8.8.5/6, but it will be fixed in the next simplewallet release. I'm pretty sure if you have an electrum seed for your wallet, then it's not deprecated.

My compliments on your work. To be clear, this still takes a lot of your RAM or doesn't it?

EDIT: I had to much beers, if I am reading the text correct it shouldn't eat up your RAM. If I can give you some advice, I would make the "tabs" horizontal instead of vertical, bit hard to read now (could be the alcohol, but still Tongue). Another point, if you create a new wallet the seed will be stored in a plain text file without encryption. I would advise to make some kind of announcement everytime you create a new wallet to encrypt to file or to make it a default thing to encrypt the textfile with the seed.

Thanks dEBRUYNE. I will try out the tabs horizontal and see how they look. There is (should be) a message that pops up everytime you create a wallet though, saying this info.txt file has your seed and you should delete or encrypt it. Maybe I should change the name of that file to "DELETE OR ENCRYPT THIS FILE IMMEDIATELY.txt" Tongue

Maybe an idea to let users decide for themselves to use horizontal or vertical (If it's possible, just make a box where users can tick for horizontal/vertical).

I think I missed that then, will check later today. It was late yesterday though, so there is a chance I just missed it Tongue

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