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Topic: Bitcoin Core 0.10.0 starts very slow. - page 2. (Read 5011 times)

member
Activity: 76
Merit: 10
March 21, 2015, 05:46:30 AM
#17
Bitcoin Core once again is very slow and takes over 10 minutes just to open. I think my 1tb hdd is the bottleneck here.

While it is checking blocks I can't use the pc for browsing and such as it completely takes over my hdd.

It's a Seagate Barracuda 7200 RPM with 64MB cache. I think this drive is decent enough to be capable of running the wallet.
What about CPU and RAM?
legendary
Activity: 2170
Merit: 1427
March 20, 2015, 10:33:13 AM
#16
Bitcoin Core once again is very slow and takes over 10 minutes just to open. I think my 1tb hdd is the bottleneck here.

While it is checking blocks I can't use the pc for browsing and such as it completely takes over my hdd.

It's a Seagate Barracuda 7200 RPM with 64MB cache. I think this drive is decent enough to be capable of running the wallet.
hero member
Activity: 546
Merit: 510
March 17, 2015, 09:00:55 AM
#15
-snip-
I tried this. It makes the start up a few minutes faster.... thank you for the advice.
Maybe I will change to electrum.
10 min of waiting is very long time when you want to make transfer.
Me like the idea of having the refference client.
But maybe the time has come for the little user to switch.

I think it depends how you use it. I have my machine on for longer periods of time anyway, so I start core when the machine is booted and only turn it off when I want to shut down the machine. If you are the "start, send coins, shutdown"-type is probably best to change to a different wallet.

Yes, that is exactly the type of user I am. I have an old computer (I call it "The snail", because it is so slow).
I only turn it on when I want to spend bitcoins. I hope this will make me a smaller target for thieves.
But honestly, I am a little guy in this world, rarely hold more than 0.1-0.5 BTC, I like to play a few games once in a while and maybe buy a nice item. It would be hard to change to another client, since I started to trust bitcoin-core, and I know how to use it.

I will also consider just to have the computer on all the time instead, bitcoin-core works very good, once it is up running.

Thank you for all the nice advice shorena Wink  Cool

-BM-
copper member
Activity: 1498
Merit: 1499
No I dont escrow anymore.
March 17, 2015, 05:42:42 AM
#14
-snip-
I tried this. It makes the start up a few minutes faster.... thank you for the advice.
Maybe I will change to electrum.
10 min of waiting is very long time when you want to make transfer.
Me like the idea of having the refference client.
But maybe the time has come for the little user to switch.

I think it depends how you use it. I have my machine on for longer periods of time anyway, so I start core when the machine is booted and only turn it off when I want to shut down the machine. If you are the "start, send coins, shutdown"-type is probably best to change to a different wallet.
hero member
Activity: 546
Merit: 510
March 17, 2015, 05:34:38 AM
#13
Code:
# bitcoin.conf configuration file. Lines beginning with # are comments.
# How many blocks to check at startup (default: 288, 0 = all)
checkblocks=288
# How thorough the block verification is (0-4, default: 3)
checklevel=3

I tried this. It makes the start up a few minutes faster.... thank you for the advice.
Maybe I will change to electrum.
10 min of waiting is very long time when you want to make transfer.
Me like the idea of having the refference client.
But maybe the time has come for the little user to switch.
zvs
legendary
Activity: 1680
Merit: 1000
https://web.archive.org/web/*/nogleg.com
March 14, 2015, 01:25:07 AM
#12
I have my checkblocks set to 3 on my home computer.

I *think* having a larger dbcache makes it a bit slower at the start but speeds it up later... not positive on that though
legendary
Activity: 1218
Merit: 1003
March 12, 2015, 04:17:22 PM
#11
-snip-
Seriously, will fixing those lines of code help it?

If so, then will I put on my thinking cap and try it out, just seam too good to be true? :/

As I wrote above, I run an old system as well and its not as fast as Id like it to be for bitcoin core to start. Im fine if something takes a minute or two to load, but before I changed the settings it took me - similar to here - 10 or 15 minutes just to launcher bitcoin core.

I did not change "checklevel", but lowered "checkblocks" little by little until I found a value that is fine for me. By default its checking the last 2 days worth of blocks (at average block time of 10 minutes). Since many blocks are close to the max block size lately it takes time to check them.
I tried those settings and it sped up the starting of my bitcoin core from sometimes an ages, to a couple of minutes!
Thanks for the .conf file, it has been very annoying recently waiting for the core to start up.
copper member
Activity: 1498
Merit: 1499
No I dont escrow anymore.
March 12, 2015, 03:33:00 PM
#10
-snip-
Seriously, will fixing those lines of code help it?

If so, then will I put on my thinking cap and try it out, just seam too good to be true? :/

As I wrote above, I run an old system as well and its not as fast as Id like it to be for bitcoin core to start. Im fine if something takes a minute or two to load, but before I changed the settings it took me - similar to here - 10 or 15 minutes just to launcher bitcoin core.

I did not change "checklevel", but lowered "checkblocks" little by little until I found a value that is fine for me. By default its checking the last 2 days worth of blocks (at average block time of 10 minutes). Since many blocks are close to the max block size lately it takes time to check them.
hero member
Activity: 546
Merit: 510
March 12, 2015, 01:54:23 PM
#9
I have the same problem:

Code:
# bitcoin.conf configuration file. Lines beginning with # are comments.
# How many blocks to check at startup (default: 288, 0 = all)
checkblocks=288
# How thorough the block verification is (0-4, default: 3)
checklevel=3

Seriously, will fixing those lines of code help it?

If so, then will I put on my thinking cap and try it out, just seam too good to be true? :/
legendary
Activity: 2170
Merit: 1427
March 05, 2015, 10:07:21 AM
#8
How long does it usually take for the wallet to open if opened the first time of the day?
Depends on the hardware. On a fast desktop with a SSD, a 60+MB wallet full startup with default settings is under 20 seconds.

Hardware is quite decent. I can only dream of having Bitcoin Core start under 60 seconds.

Is it also possible that switching wallet files could cause the wallet to open very slow?

But then again, it still should start within a few minutes.

Just stopped the time. The system is 5-6 years old and the bottle neck is the HDD. The CPU still has capacity left and launching bitcoin core/qt took a little less than 53,128 seconds.

Its set to check the last 24 blocks at default checklevel.

I think the problem is as good as solved. I can only hope it will stay like this.

Today the wallet managed to open in less than 60 secons. 47 seconds to be precise.
copper member
Activity: 1498
Merit: 1499
No I dont escrow anymore.
March 04, 2015, 12:05:14 PM
#7
How long does it usually take for the wallet to open if opened the first time of the day?
Depends on the hardware. On a fast desktop with a SSD, a 60+MB wallet full startup with default settings is under 20 seconds.

Hardware is quite decent. I can only dream of having Bitcoin Core start under 60 seconds.

Is it also possible that switching wallet files could cause the wallet to open very slow?

But then again, it still should start within a few minutes.

Just stopped the time. The system is 5-6 years old and the bottle neck is the HDD. The CPU still has capacity left and launching bitcoin core/qt took a little less than 53,128 seconds.

Its set to check the last 24 blocks at default checklevel.
legendary
Activity: 2170
Merit: 1427
March 04, 2015, 10:18:44 AM
#6
How long does it usually take for the wallet to open if opened the first time of the day?
Depends on the hardware. On a fast desktop with a SSD, a 60+MB wallet full startup with default settings is under 20 seconds.

Hardware is quite decent. I can only dream of having Bitcoin Core start under 60 seconds.

Is it also possible that switching wallet files could cause the wallet to open very slow?

But then again, it still should start within a few minutes.
staff
Activity: 4200
Merit: 8441
March 04, 2015, 12:44:50 AM
#5
How long does it usually take for the wallet to open if opened the first time of the day?
Depends on the hardware. On a fast desktop with a SSD, a 60+MB wallet full startup with default settings is under 20 seconds.
copper member
Activity: 1498
Merit: 1499
No I dont escrow anymore.
March 03, 2015, 10:38:42 AM
#4
-snip-
How long does it usually take for the wallet to open if opened the first time of the day?

Not sure, Id have to stop time, but less than it takes the system to boot from its magnetical disk.
legendary
Activity: 2170
Merit: 1427
March 03, 2015, 08:55:17 AM
#3
Thank you for explaining everything in fine detail.

I have done everything you stated, and it is starting faster already, although I'm not sure how long it will stay like this.

At this point it takes around 5 minutes for it to start which is a decent improvement.

How long does it usually take for the wallet to open if opened the first time of the day?
copper member
Activity: 1498
Merit: 1499
No I dont escrow anymore.
March 02, 2015, 06:48:13 PM
#2
As the title states.

I have been browsing through the forum to find a solution but so far failed in doing so.

It takes nearly 15-20 minutes to open, it keeps saying checking blocks, but how many times will it check them??

The previous version took around 15 minutes to open, and current version takes even longer while it was quite fast when I installed it after the update release.

Full blockchain is on my windows 7 computer, and my computer has decent specs, nothing to worry about.

Are there any nodes that I need to add in order to get it working faster? Not sure what the problem is.

I also noticed a slower start, but not as severe as 15 minutes. If you do not have a bitcoin.conf file yet, create one, add the following lines and change the values to your needs.

Code:
# bitcoin.conf configuration file. Lines beginning with # are comments.
# How many blocks to check at startup (default: 288, 0 = all)
checkblocks=288
# How thorough the block verification is (0-4, default: 3)
checklevel=3

Edit: I just noticed my answer might have been a bit short. Hit Win+R to open "run" and enter
Code:
%APPDATA%/Bitcoin
it will open the folder with your wallet.dat and log files for bitcoin core. Create a new text document (not word etc.) add the above lines (more here[1]) safe and rename it to bitcoin.conf. Make sure its not named bitcoin.conf.txt and start bitcoin core.

[1] https://en.bitcoin.it/wiki/Running_Bitcoin#Sample_Bitcoin.conf
legendary
Activity: 2170
Merit: 1427
March 02, 2015, 11:13:08 AM
#1
As the title states.

I have been browsing through the forum to find a solution but so far failed in doing so.

It takes nearly 15-20 minutes to open, it keeps saying checking blocks, but how many times will it check them??

The previous version took around 15 minutes to open, and current version takes even longer while it was quite fast when I installed it after the update release.

Full blockchain is on my windows 7 computer, and my computer has decent specs, nothing to worry about.

Are there any nodes that I need to add in order to get it working faster? Not sure what the problem is.
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