greg.sage

Thanks for the reminder. This morning I set dbcache=12288 and restarted the machine. In all my prior tests so far with 8GB RAM (I was just switching node versions), this had been left as unconfigured. We'll see if that…

OK, I just put in another 8GB DIMM so now the system has 16 GB total. Unfortunately the system only has two RAM slots and I don't have any 16 GB DIMMs, so if 16 isn't enough, I won't have a way to test more than this at…

It looks like Core 31.0 has this problem too. https://i.imgur.com/LMKeNcQ.png So that eliminates it being Knots-specific or related to the new consensus rules. Any ideas now? Has anything in Core changed recently that…

Good idea to test this, I just switched to Core 31.0 tonight (still 8 GB RAM). I'll let it go for a few days and see if the writes are still high and report back here. I don't have a good reason. I've just never…

Those labels are perfectly accurate, down to the day. I know because I remember when I switched versions. Your observation is correct, as soon as I downgrade back to 28.1, the writes are reduced significantly, back to…

Check out this chart I've attached. It shows the software my node's been running along with the total gigabytes/terabytes written on the SSD. I'm using Xubuntu on an 8th gen Intel Celeron with a SATA SSD. So, every time…

I'm not sure about this. As I mentioned, not very much RAM was being used according to Xubuntu's built-in task manager, and when I put in 16 GB instead of 8 GB of RAM, I noticed absolutely no difference. I highly doubt…

I'm giving Fulcrum a try right now. The database is currently building. It uses rocksdb while electrumx (by default) used leveldb, so maybe the write activity will be different. I will report back once it's all finished.

At the moment I cannot find any settings to change for electrumx that would lower the disk writes. As a temporary solution for now I'm thinking I might use an extra 2.5 inch HDD from one of my old laptops and dedicate…

Funny you say that because the electrumx devs specifically recommended using an SSD. (As I pointed out above, it's electrumx that is doing all the disk writes, not Bitcoin Core.)

Thanks for suggesting iotop. I've been running it for about 10 minutes and I already get the impression electrumx is doing all the disk writes, not even Bitcoin core. After just 10 minutes I'm seeing: Disk Writes…

I'm getting the impression that adding more RAM mostly reduces disk writes before the node is fully synced, not after. But I have extra RAM and I can bump it up to 16GB so I can give it a shot. The Celeron supports up…

The system has 8GB of RAM on an Intel 8th gen Celeron CPU (2 cores, 2 threads). The node isn't pruned. Xubuntu's built-in task manager is showing Memory at 25% (1.9 GiB / 7.6 GiB) and Swap at 34% (1.4 GiB / 4 GiB) at…

So I've been running Bitcoin Core 27.0 with txindex=1 and ElectrumX 1.16.0 on a Samsung 860 Evo SSD using Xubuntu. This setup is totally dedicated to just those two apps all day long. I’ve been using smartmontools to…