Blockchain Download Time - page 2. | Bitcointalksearch.org

bob123

legendary

Activity: 1624

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Quote from: wilwxk on March 18, 2018, 02:46:28 PM

No, they cannot "compress" the current data, but with the adoption of the segwit they can process more transactions using the same amount of data

Including more transaction into one block still doesn't reduce the size of the blockchain.
Regardless of segwit/non-segwit blocks are (mostly) full.

Quote from: wilwxk on March 18, 2018, 02:46:28 PM

and the lightning network can reduce the use of registry in blockchain since we can make all outside the network.

Blocks still will be mined at the same rate.
And if the mempool would be empty (because somehow everyone is using LN without closing channels, whatsoever..) transactions with 1 sat/B would be confirmed within 1 block,
leading to people using on-chain transactions to pay merchants etc.. again.
Why should someone fund a channel and use the LN if fees would be 1 sat/B ? -> This will lead to full blocks again.

So, no. The lightning network does not decrease the size of the blockchain.

wilwxk

sr. member

Activity: 476

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Quote from: bob123 on March 18, 2018, 01:25:31 PM

Neither segwit nor the lightning network result in a smaller blockchain to store.
You can read more about segwit here: https://cointelegraph.com/explained/segwit-explained and more about the LN here: https://en.bitcoin.it/wiki/Lightning_Network

No, they cannot "compress" the current data, but with the adoption of the segwit they can process more transactions using the same amount of data, and the lightning network can reduce the use of registry in blockchain since we can make all outside the network.

bob123

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Activity: 1624

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Quote from: wilwxk on March 18, 2018, 01:00:11 PM

But the current size of blockchain is a problem if continue growing like now, there will no reason to store 200 gb of blockchain while you can only use a wallet which connects to other nodes, and this will be problematic for the decentralization

The answer to your 'problem' has been posted 38 minutes before you have decided to post:

Quote from: DannyHamilton on March 18, 2018, 12:12:24 PM

Additionally, if you don't want to store (and copy when you upgrade your system) the entire blockchain, you can turn on pruning mode. That will purge old blocks that have already been processed, and drastically reduce the amount of storage space you'll need.

Quote from: wilwxk on March 18, 2018, 01:00:11 PM

with the solutions like segwot and lighting network, maybe this problem can be solved

Neither segwit nor the lightning network result in a smaller blockchain to store.
You can read more about segwit here: https://cointelegraph.com/explained/segwit-explained and more about the LN here: https://en.bitcoin.it/wiki/Lightning_Network

wilwxk

sr. member

Activity: 476

Merit: 314

But the current size of blockchain is a problem if continue growing like now, there will no reason to store 200 gb of blockchain while you can only use a wallet which connects to other nodes, and this will be problematic for the decentralization, with the solutions like segwot and lighting network, maybe this problem can be solved.

DannyHamilton

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Quote from: Charles Sweeney on March 18, 2018, 06:24:39 AM

Wondering if the data files can simply be copied to another disk?

It can.

Quote from: Charles Sweeney on March 18, 2018, 06:24:39 AM

Would save downloading and processing everything again when it comes time to upgrade your system.

Correct.

Additionally, if you don't want to store (and copy when you upgrade your system) the entire blockchain, you can turn on pruning mode. That will purge old blocks that have already been processed, and drastically reduce the amount of storage space you'll need.

Oulay

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Activity: 133

Merit: 37

Quote from: Charles Sweeney on March 18, 2018, 06:24:39 AM

Will be interesting to see how big it gets, with the increased popularity of bitcoin.

The size of the blockchain has nothing to do with Bitcoin adoption. Blockchain's size increases with every block added to the blockchain, which usually happens every ten minutes. And each block of 1 MB size increases the size of the blockchain by 1 MB.

aleksej996

sr. member

Activity: 490

Merit: 389

Do not trust the government

Quote from: Charles Sweeney on March 18, 2018, 06:24:39 AM

Wondering if the data files can simply be copied to another disk?

Yes. It might not be a good security practice, as your new server won't validate the blocks again, but if you trust the data, sure.
You will need to copy everything though, not just the blocks directory, but chainstate as well, otherwise it will start block validation process from the beginning.

Charles Sweeney

newbie

Activity: 16

Merit: 2

Quote from: Za1n on March 18, 2018, 05:53:54 AM

Anticipating continued blockchain growth, the dedicated PC I build uses a 1 TB SSD, so hopefully I still can get a couple years service out of it before needing to upgrade again.

Will be interesting to see how big it gets, with the increased popularity of bitcoin.

Wondering if the data files can simply be copied to another disk? Would save downloading and processing everything again when it comes time to upgrade your system.

Za1n

legendary

Activity: 1078

Merit: 1011

That sounds about right, I just downloaded the blockchain on a new install I setup in January and remembering it took about 30 hours to complete.

Anticipating continued blockchain growth, the dedicated PC I build uses a 1 TB SSD, so hopefully I still can get a couple years service out of it before needing to upgrade again.

Charles Sweeney

newbie

Activity: 16

Merit: 2

March 17th 2018. Just for reference.

Just downloaded the entire blockchain.

Number of blocks: 513,962

Download time: 2 days 3 hours

Size on disk: 172GB

Used an Amazon Web Services EC2 t2.small server instance, running Ubuntu. 2GB memory. Was struggling a bit, hence the download time. CPU running at 100% constantly. Memory was fine but I think more would be needed if running a faster processor. Not sure of the CPU specs on the t2.small instance but it's one of their lowest performing (and cheapest) instances.

Topic: Blockchain Download Time - page 2. (Read 393 times)