Questions tagged [memory]

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How to replicated the 256 MiB memory "Bare Minimum" setup of `bitcoind` from bitcoin.org

I was interested in using a Raspberry Pi Zero W to run the claimed "Bare Minimum (With Custom Settings)" install of bitcoind on either Gentoo or Linux From Scratch. It was suggested that it ...
Dan's user avatar
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3 votes
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How to track down OOM?

Since a while LND on m Bitcoin Node is restarting weekly a I get an OOM: Feb 12 21:07:24 umbrel kernel: node invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 Feb ...
deekee's user avatar
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Bitcoin mining pre-computation benefits?

I asked this question on another forum but did not get any responses so I thought I'd try here. I've been researching bitcoin mining for a while and I have a work-in-progress hypothesis that could ...
arikachimoaririki's user avatar
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1 answer
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Are the block headers kept in memory?

Bitcoin Core keeps block data as files in the file system and blocks indexes in a LevelDB database to make the search process of transactions and blocks faster. But Bitcoin Core also stores block ...
MHT's user avatar
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Why does Bitcoin Core store the block height and the time of each transaction in the memory pool?

...given that one can be derived from the other? Surely the unsigned integer of height would be sufficient without the addition uint64_t of the time (to the second), wouldn't it?
Rebroad's user avatar
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1 answer
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Why is data stored in reverse in the blockchain files?

I'm parsing the binary data from the bitcoin core blockchain blkxxxxx.dat files. If I read out the magic number I get this: \xf9\xbe\xb4\xd9\ Why isn't it stored the other way around, as the magic ...
Bitcoingraffiti's user avatar
5 votes
1 answer
1k views

What are the maximum useful memory limits for a Bitcoind full node?

In contrast to this question about running Bitcoind in a low-memory environment, I have an opposite use-case. I want to run a bitcoind full node (no wallet) on a Linux server with lots of memory but ...
intelfx's user avatar
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3 votes
1 answer
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What does the RPC call "getmemoryinfo" show?

What does the output of the RPC call getmemoryinfo actually mean? For example, this is from my node running in Docker. Does that mean the bitcoind process inside the container is only using 64272 ...
Logan M.'s user avatar
  • 133
2 votes
1 answer
149 views

Is the entire blockchain kept in memory?

Putting aside pool mining, does the Bitcoin mining program keep the entire blockchain in memory? Including transactions? I've been reading through the original Bitcoin code and it looks like the ...
Addy's user avatar
  • 171
0 votes
1 answer
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Will Upgrading Ram on Low End PC Make Core Sync faster?

I am a newbie to bitcoin. I am trying to sync a full node on my low end PC: 2g RAM, dual-core 2ghz, 250 gb regular HDD. It is in pruned mode. The initial 15% synced in a few days but now the process ...
Bastian's user avatar
2 votes
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Does the mempool size as reported by Blockchain.com include the size of txs only?

Does the mempool size as reported by (for instance Blockchain.com) include the sum of the 'size' of transactions only? Or does it also include the overhead (due to indexes, allocation overhead, ...
Hina's user avatar
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1 vote
1 answer
2k views

what is the size of information contained in one bitcoin?

Every information stored digitally requires some space. For example : a text file (2-3 Kilobytes) a song (7-8 megabytes depending upon bit rate) a phone picture (5-6 megabytes) \and so on.......... 1 ...
praneetjain's user avatar
0 votes
2 answers
368 views

How to reduce Bitcoin loaded wallet memory?

The server has 2GB of RAM memory. It takes up a lot of memory when I create or load a wallet. When I create about 50 wallets, the server is very slow because the memory is full. Is there a way to ...
JEAGONG JEONG's user avatar
1 vote
0 answers
347 views

How important is Graphics Ram for hashing [closed]

Some altcoins are designed to be "memory intensive" to avoid use of ASICs to mine them. Does the RAM refered to here, mean the RAM of the computer or the RAM on the GFX card itself. When looking at ...
Jim Wolff's user avatar
  • 111
4 votes
1 answer
2k views

How much memory (RAM) is used by the mempool and UTXO pool?

I know I can set -dbcache=<MB> when starting bitcoind. Does this effect how much RAM is allocated for the UTXOPool or UTXOPool + mempool? How can I know how much RAM each database takes? If the ...
amanusk's user avatar
  • 633
2 votes
2 answers
9k views

What's more important GPU cores or GPU memory?

I have been on the sidelines, watching on and off, looking to attempt mining a few coins. I have also looked at just buying coins, but found that's not so easy to do with anonnimity with all the ...
CuriousNOOB's user avatar
2 votes
1 answer
124 views

Bitcoin Miner Storage Issue

I was installing a bitcoin miner on my surface pro 4 with 4 gb of RAM, and it took almost 14 hours before running out of space. I uninstalled bitcoin, but for some reason it's taking up like 100 gb of ...
moskaut's user avatar
  • 23
16 votes
2 answers
9k views

How to run bitcoind in a low memory environment

I have a Raspberry Pi with 925 MB of memory. Bitcoin Core, operating as a full node, uses between 600-900 MB. How can I reduce bitcoind's memory usage? I tried setting maxmempool to its minimum ...
Geremia's user avatar
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2 answers
570 views

how do you get your computer not to run out of memory with the system syncing

after choosing a wallet Bitcoin core, they have a 7 years system sync which i am a first time user. I didn't know that and money was sent to the account. I can't access the money. It is not showing ...
fightofthedog's user avatar
2 votes
1 answer
1k views

bitcoind crashing due to insufficient memory?

EDIT 3 Bumping my VPS to 1GB of physical RAM stopped the crashing issue... UNTIL said VPS ran out of disc space. I added prune=10240 to my ~/.bitcoin/bitcoin.conf file such that the blockchain file ...
mecampbellsoup's user avatar
8 votes
1 answer
4k views

How to tell bitcoind to use more memory and CPU

I just updated my node to 0.12 and its going through its long verification process but I noticed that its not using very much memory/cpu pi 602 10.5 19.4 352220 184312 ? Ssl 21:57 1:...
xenostar's user avatar
0 votes
1 answer
630 views

What is the memory usage for checking transaction inputs?

Whenever a transaction is received by a node, the node verifies its validity. To that end, it checks for each transaction input whether that input is part of the UTXO set. It is my understanding that ...
Murch's user avatar
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1 vote
3 answers
1k views

Running out of memory, how can I reduce the size of wallet.dat?

My wallet.dat is 260MB big. I am using 32bit bitcoind (bitcoin-0.10.2), linux. Bitcoind is having memory problems: ["errors"]=> string(89) "EXCEPTION: St9bad_alloc std::bad_alloc ...
Cahoiner's user avatar
2 votes
0 answers
240 views

What requirements does a router need to fulfill to support a network of 50 miners?

I am running a network with fifty miners, and I am experiencing network problems with my current router from ASUS, because its memory fills up and it requires to restart in order to work properly. I ...
ToQcHista's user avatar
5 votes
1 answer
712 views

Does CPU mining become efficient as memory requirements increase?

I am focusing on an anti scrypt coin called Vertcoin which increases it's N-factor at a set interval. On their main page on bitcointalk it states that CPU computation will make gains as N-factor (...
rdadkins's user avatar
  • 280
6 votes
4 answers
25k views

Coins with memory-intensive mining

Are there coins that demand system memory rather than computing power? Which coin brings me the most mining profit if I have a lot of system DDR3 RAM (say 64 GB or more) in my personal computer?
Kozuch's user avatar
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2 votes
2 answers
168 views

History of cold boot attacks on Proof-of-Stake miners

Have instances of theft due to cold boot attacks been recorded? If so, is this a common problem? If so, are miners installing memory encryption software like Trezor?
user avatar
2 votes
2 answers
1k views

Simulate an FPGA/ASIC on RAM for mining?

Just out of curiosity, would it be possible to use a lot of RAM and treat it as an FPGA capable of mining other cryptocurrencies, or would it be too expensive to implement and not worth it?
Primordial's user avatar
3 votes
1 answer
5k views

How much does system RAM matter for Litecoin mining?

I know your system RAM cannot be smaller than your GPU RAM for LTC mining, but other than that, is it a problem if you have like only 2GB of RAM?
Thiago's user avatar
  • 311
1 vote
2 answers
6k views

What is the most important parts of the video card in Bitcoin mining?

For example, obviously it doesn't matter what type of adapters a video card offers when it comes to Bitcoin mining? Is the GPU speed or the amount of RAM the most important part in terms of megahashes ...
Celeritas's user avatar
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