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xmrmatterbridge
<xmrhaelan> moneromoo I think I may have figured out the Qubes daemon/wallet isolation issue
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xmrmatterbridge
<xmrhaelan> Well, a guy on Reddit helped me.
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xmrmatterbridge
<xmrhaelan> Have you updated the monerod.service file to remove the local folder from the line starting with ExecStart?
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xmrmatterbridge
<xmrhaelan> It should read /usr/bin/monerod instead of /usr/local/bin/monerod
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xmrmatterbridge
<xmrhaelan> Also to avoid problems you have to start monerod-ws first and let it fully sync, then start monero-wallet-ws
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ndorf
stop this ride please, i want to get off. Brock Pierce, co-founder of Tether, is officially on my state's ballot for the (US) presidential election
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riceandbeans
ndorf: Could be worse. Could be Biden or Trump.
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ndorf
touché
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ndorf
Kanye West is also on the ballot FWIW
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riceandbeans
Under what party?
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ndorf
both Pierce and West are unaffiliated
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riceandbeans
I'm voting for COVID-19
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riceandbeans
I do have a monero question though...
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ndorf
Monero is also unaffiliated with any political party.
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riceandbeans
I can get hugepages to say that they're supported but not to be enabled, not sure what I'm doing wrong
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ndorf
with xmrig?
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riceandbeans
Yeah
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ndorf
what OS?
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riceandbeans
Take your pick.
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riceandbeans
CentOS 8, Debian 10, FreeBSD 12
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riceandbeans
Same thing on all 3
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ndorf
for Linux, there's an included shell script that will enable both types of huge pages.
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ndorf
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ndorf
run that as root before starting xmrig
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ndorf
(Linux supports "regular" huge pages, which are 2MB, as well as 1GB pages ("really huge"). this script enables the optimal mix of both)
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riceandbeans
I mean, I wrap xmrig in a script so I might as well just shove that on top of it
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ndorf
yup
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ndorf
this assumes that xmrig is the only thing that will be using hugepages, you'd want to increase the numbers if that's not the case
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riceandbeans
Still doesn't say enabled, only supported :\
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riceandbeans
forgive me cjs77 user who is no longer here but going on ignore to not drive me nuts with the flapping
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ndorf
riceandbeans: did you run the hugepages script as root? did it print any errors?
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riceandbeans
I had to tweak it, but did it as sudo
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riceandbeans
I'll pastebin
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ndorf
ok
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ndorf
also, what's the output of `sysctl vm.nr_hugepages` and `head /sys/devices/system/node/node*/hugepages/hugepages-1048576kB/nr_hugepages` ?
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riceandbeans
Yeah that path doesn't exist.
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riceandbeans
I had to change it for this
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ndorf
really? that's very strange, what's the kernel version?
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riceandbeans
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riceandbeans
4.18
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riceandbeans
CentOS 8
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ndorf
so first off, the change you made actually made it worse, hehe
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riceandbeans
That path actually exists, the other did not.
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ndorf
hugepages-2048kB are normal, not 1GB pages. so you're now reducing those even further, from $(nproc) to 3
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ndorf
(IOW it's the same kind of hugepages that are set by the sysctl command at the beginning of the script)
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ndorf
is that the only subdir under /sys/devices/system/node/node0/hugepages/ ?
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riceandbeans
$ find /sys/devices/system/node/node* -maxdepth 0 -type d
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riceandbeans
/sys/devices/system/node/node0
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riceandbeans
There's only one there
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riceandbeans
$ ls /sys/devices/system/node/node0/hugepages/
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riceandbeans
hugepages-2048kB
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riceandbeans
That's all she wrote
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ndorf
hm, i guess that CentOS kernel has them disabled somehow? seems very strange
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ndorf
Debian 10 with kernel 4.19 definitely has it
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ndorf
anyway, you can get by just fine with just the normal huge pages, without the 1GB ones. you will just need a lot more of them
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ndorf
`sudo sysctl -w vm.nr_hugepages=1280` should be enough, i think
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ndorf
for this setup you don't actually need a script, you can just add vm.nr_hugepages=1280 to /etc/sysctl.conf
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ndorf
there is a hashrate penalty as compared to using 1GB pages, but it's very slight, only 1% or so. still much better than no huge pages at all
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riceandbeans
Why would a hashrate penalty be a good thing
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ndorf
it's not a good thing, the good thing is that it's only a slight penalty
-
ndorf
and will work immediately on your system
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riceandbeans
I have 32G RAM
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riceandbeans
This box is dedicated to nothing but monero right now
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ndorf
that should definitely be enough. i have no idea as to why your CentOS kernel isn't showing the 1GB knob, if you figure that out then you can have a ~1% higher hashrate.
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ndorf
you said you had a Debian 10 box around also? that file exists there, right?
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riceandbeans
The debian one is different hardware so it's hard to compare
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riceandbeans
But that CentOS 8 box cranks out 630H/s
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riceandbeans
My Debian one cranks out 1100H/s
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ndorf
ah
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ndorf
i forgot about older processors. probably, the CentOS box CPU is too old to support 1GB pages
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ndorf
you can verify that with `fgrep -c pdpe1gb /proc/cpuinfo`, if it returns 0 then your CPU doesn't support it
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riceandbeans
Yeah 0
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ndorf
yeah. so, just enable a lot of normal 2MB hugepages, and it will be almost as good (-1% or so)
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riceandbeans
Like how many
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ndorf
23:08 < ndorf> `sudo sysctl -w vm.nr_hugepages=1280` should be enough, i think
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ndorf
23:08 < ndorf> for this setup you don't actually need a script, you can just add
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ndorf
vm.nr_hugepages=1280 to /etc/sysctl.conf
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riceandbeans
What if I go way higher?
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riceandbeans
like 12800
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ndorf
i think 1280 should be enough, once xmrig starts you'll be able to see how many it is using
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ndorf
you can go higher, but it won't help anything, and that memory won't be available for any other use
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ndorf
you need 1) around 2.3GB worth of huge pages for the randomx dataset, plus 2) one 2MB huge page per thread
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ndorf
xmrig will print status for both things, if they are both 100% hugepages then adding more won't do anything except waste memory
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riceandbeans
Thanks man
-
ndorf
np
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riceandbeans
oh no
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riceandbeans
The Debian box returned 0 too
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ndorf
what happened?
-
riceandbeans
weak
-
ndorf
ah
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ndorf
well like i said, you will still see a massive increase over not using hugepages at all
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ndorf
it's only the last 1% you're missing out on
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riceandbeans
I don't suppose you'd know how to get that going on FreeBSD too
-
ndorf
FreeBSD calls them superpages, also set via sysctl somewhere
-
ndorf
i've never run xmrig on it, though, so i have no idea if it even supports them
-
ndorf
also IIRC FreeBSD does a better job at "transparent" huge pages, so they might not even be necessary to get the best performance. i don't really know for usre
-
ndorf
i think you might just need to ensure that sysctl vm.pmap.pg_ps_enabled is set to 1
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Inge-
2 days in a row with > 16K transactions
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p3rL
only^
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Inge-
first time in XMr history
-
p3rL
still in #17
-
ErCiccione[m]
p3rL: 17 for market capitaliazion i guess. Which is a meaningless metric. if you want to see if a currency it's used you have to look at the amount of daily transactions on the network
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Inge-
Then BSV must be really good, averaging some 500K+ tx/day
-
ErCiccione[m]
Ok, let's add that said currency shouldn't be lead by a scammer :P
-
moneromooo
Oh my. That strikes a lot of them down does it not.
-
ErCiccione[m]
Nah, all thousands of coins + ICOs + ERC tokens are all legit and equally contribute to the space
-
alexanarcho[m]
hey everybody, we have our CCS Propsal for tipxmr.live on GitLab - check it out and give a thumbs up if you like it
ccs.getmonero.org/ideas
-
Inge-
what is happening with LTC transactions going up and up over the past 8 days
-
nioc
alexanarcho[m]: I see no info on that think. You upvoted your own proposal o_O
-
nioc
#monero-community is a good channel to post info about CCS proposals
-
Inge-
ndorf: never had issue with 1250 per numa node.
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d4ndo[m]
Inge-: A new RPG released based on the Litecoin blockchain. See
litebringer.com
-
d4ndo[m]
You can buy any kind of digital item on litebringer using Litecoin. e.G. swords, gloves etc
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Inge-
heh
-
Inge-
40K -> 150K transactions due to a game launch?
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alexanarcho[m]
<nioc "alexanarcho: I see no info on th"> well, i m a big fan of my propsal
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d4ndo[m]
Compare that to Cryptokitties and you will believe.
-
d4ndo[m]
I think they do store the history of every move you make on Litecoin. But not sure.
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Inge-
sounds like a GREAT idea
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xmrmatterbridge
<mxudi> hello, is this the right monero channel to ask questions?
-
moneromooo
Yes.
-
xmrmatterbridge
<mxudi> I have the following problem: I need my payment details from an earlier payment. but I only have my wallet address at hand, and the date and approximate amount of the payment. can I have a chance to find the payment details on a ledger somewhere?
-
» moneromooo does not know much about ledger and how to restore a ledger wallet, passes and wits for someone who knows
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endor00[m]
I don't think he's talking about the Ledger wallet
-
Mochi101
mxudi, no
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xmrmatterbridge
<mxudi> I am just asking about whether any record (public or other) exists, where I can find the referred payment
-
Mochi101
Monero is private, those details are not available to the public.
-
Mochi101
If you have access to your wallet, you can get some details of that transaction though.
-
endor00[m]
Unless you have that wallet's private viewkey or that transaction's private key, you won't see anything
-
endor00[m]
And if you're trying to uncover somebody else's tx details out of those info, you're out of luck ;)
-
Mochi101
Praise Monero!
-
xmrmatterbridge
<mxudi> the keys are gone. I dont have them anymore
-
endor00[m]
Did you write down your seed?
-
xmrmatterbridge
<mxudi> I am trying to uncover those of my own
-
endor00[m]
Rip in pepperoni
-
endor00[m]
Today is the day you've learned that you must always write down your seed and store it somewhere safe, because you never know when you'll need it
-
xmrmatterbridge
<mxudi> today I feel very mnemonic
-
moneromooo
That's what she seed.
-
xmrmatterbridge
<mxudi> does the big bulky blockchain not provide any access with the details that I have mentioned above?
-
moneromooo
It only does if you have the keys.
-
xmrmatterbridge
<mxudi> (like my wallet address)
-
moneromooo
I mean, you can put your money in a small purse or a big vault. Is the big vault easier to get stuff from ?
-
kinghat[m]
endor00: from supportxmr back in the day?
-
endor00[m]
Yeah man
-
kinghat[m]
why did you add the 00?
-
xmrmatterbridge
<mxudi> I see
-
xmrmatterbridge
<mxudi> thank you, I am at least convinced there is no need to search for it
-
endor00[m]
<kinghat[m] "why did you add the 00?"> The name without the 00 was already taken iirc
-
kinghat[m]
are you done with school and shit now? engineering, correct?
-
endor00[m]
Still working on it
-
d4ndo[m]
There are only 10 types of people in the world: those who understand binary, and those who don't.
-
upsdnz
QUESTION: what is the correct way to check if my blockchain data is pruned ?.
-
moneromooo
check_blockchain_pruning
-
moneromooo
It will also check some consistency so is not instant.
-
upsdnz
k
-
hondza
Hello. Can the change address for the transfer command be specified, or is it always the subaddress with index=0 in the current account?
-
moneromooo
Always automatic.
-
hondza
Doesn't that leak anything, though? Or is the change address indistinguishable from a second output (which I guess is a stealth address)?
-
moneromooo
Well, the recipient can be... 95% certain I guess... that the other ouput is change.
-
moneromooo
Define leak, and to whom.
-
ndorf
it is a stealth address, and only you (the recipient of the change output) can decrypt the amount
-
hondza
So the recipient of the first output doesn't learn anything? For instance if I repeated the exact same transfer command, could the recipient infer that it is from me again? Or will those stealth addresses be different?
-
moneromooo
Oh I see your concern. Monero is a private cryptocurrency. Addresses do not appear on the chain. All the recipient sees are one time output public keys.
-
moneromooo
So if you send several times to the same address, it doesn't show up. They're different outputs, each which its own public key.
-
hondza
Thanks. One more question: the organization of wallet -> accounts -> addresses is mainly so that they could be derived deterministically from the seed, correct? I mean if I somehow knew the private key of a subaddress, this key alone is enough to operate with the unspent outputs on that address, yes?
-
xmrmatterbridge
<xmrhaelan> Is there a tutorial for noobs who want to make a pull request for getmonero website?
-
moneromooo
Yes, accounts/addresses can be restored deterministially from the seed.
-
moneromooo
I'm not sure about the second question.