Rescanning use only 1 core #19992

issue dcdcdcdcdcdcdcdcf opened this issue on September 22, 2020

dcdcdcdcdcdcdcdcf commented at 12:09 PM on September 22, 2020: none

When i run bitcoin-qt.exe with -zapwallettxes parameter, it rescan my wallet, but using only 1 of 20 core ~6.6% of maximum, and only 60-90 MB/sec reading on M2SSD drive. How can i add more cores for running QT ?

https://i.imgur.com/zNQMgJ3.png bitcoin.conf = dbcache = 20000 par = 16 txindex = 1 addresstype = legacy proxy=127.0.0.1:9050 listen=1 bind=127.0.0.1 onlynet=onion datadir=E:\Roaming\Bitcoin blocksdir=E:\Roaming\Bitcoin
dcdcdcdcdcdcdcdcf added the label Feature on Sep 22, 2020
maflcko added the label Wallet on Aug 4, 2022
willcl-ark commented at 9:50 PM on March 7, 2023: contributor

@MarcoFalke this can be closed as zapwallettxes is removed?
maflcko commented at 10:45 AM on March 8, 2023: member

I think rescan is still single threaded, but there shouldn't be any reason to call it often, so I am not sure if there is a use case.
maflcko commented at 10:45 AM on March 8, 2023: member

The feature request didn't seem to attract much attention in the past. Also, the issue seems not important enough right now to keep it sitting around idle in the list of open issues.

Closing due to lack of interest. Pull requests with improvements are always welcome.
maflcko closed this on Mar 8, 2023
bitcoin locked this on Mar 7, 2024

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