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Bitcoin-ABC / bitcoin-abc

Bitcoin ABC develops node software and infrastructure for the eCash project. This a mirror of the official Bitcoin-ABC repository. Please see README.md

Home Page:https://reviews.bitcoinabc.org

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BitcoinABC mainnet sync turns out terribly slow and stays behind 1600 blocks

opened this issue · comments

commented

Resynced again and faced the same problem. Mainnet sync slows down somewhere near block 673700. Bitcoin ABC version v0.22.13-05d6cf915

{
"chain": "main",
"blocks": 673957,
"headers": 673957,
"bestblockhash": "0000000000000000548c0e7167418e418145291b7c71605f0a6c477fe609b208",
"difficulty": 6316241764.319279,
"mediantime": 1613725621,
"verificationprogress": 0.999992118890345,
"initialblockdownload": false,
"chainwork": "00000000000000000000000000000000000000000153cc12b55a88db88ee4670",
"size_on_disk": 172522584256,
"pruned": false,
"softforks": {
},
"warnings": ""
}

bch_slow

commented

Still extremely slow. Only around 800 blocks were synced for the past 6 days. Currently it's 1500 Blocks behind. It's syncing in 1TB NVMe SSD with lots of RAM and CPU. I'm ready to give more details if needed. Please help. Bitcoin ABC version v0.22.14-e6f40506a

bcash_slow_1

commented

It looks like everything is working fine, when looking at your screenshots. In your first message on February 19, your latest block is from the same date. In your second message on February 25, you are also up to date with a block from that date. There was an unusually long delay of 50 minutes between block 674781 and the following block, but that can happen due to natural variance in block intervals.