Questions tagged [state-trie-pruning]
The state-trie-pruning tag has no usage guidance.
36
questions
0
votes
0
answers
71
views
How to run a pruned node?
I want to run a pruned node. If this correct that I'll have to bootstrap a full node first, and completely, in order to become able to then prune it?
A full node size is around 900Gb - 1Tb, right? And ...
- 1
0
votes
0
answers
177
views
GETH: Faster Dirty cache flushing to resist larger syncs on geth crashes (small POA network)
i'm currently running a set of 3x miner nodes, 2x RPC nodes and 1 bootnode on an AWS cluster (Proof of authority nodes) using GETH.
What i've noticed is that due to very small traffic on my network , ...
0
votes
0
answers
226
views
What data do you lose when you prune Geth?
I am reading the hardware requirement for Geth here and I noticed this portion:
At the time of writing (September 2022) a 2TB SSD is recommended for a full node running Geth and a consensus client. ...
- 458
1
vote
0
answers
229
views
Is it possible to prune ethereum full node without having to stop geth client?
Does anyone know how to prune ethereum geth full node for an application which requires a non-stop running full node ?somehow like the way bitcoin does pruning ( removing older blocks automatically ...
- 11
1
vote
1
answer
155
views
State trie pruning and synching, how does that work?
how does state trie prunning works during syncing? or does pruning only happens on the nodes that is not the state root? since if state root are deleted then there will be errors in the blocks and it ...
- 173
1
vote
1
answer
755
views
Is there Blocks Pruning in ethereum clients specialy geth? (and other questions)
Is there Blocks pruning in ethereum clients such as geth and how does that work?
by pruning I meant, does the blocks information whether stored in DB like in cpp-ethereum are deleted if the ...
- 173
1
vote
0
answers
43
views
Can the Ethereum network work only with pruned nodes?
So if I got state trie pruning correctly, pruned nodes download all the block headers (so that they can check the PoW of the chain), the transactions of the last k (say 100) blocks (to resist against ...
- 141
6
votes
1
answer
712
views
I can no longer access old blocks via RPC in full syncmode?
I have a private network based on geth v1.9.25. I upgraded from v1.8.27. Recently, I saw that I'm unable to access the previous blocks at all. Like, e.g. eth.getBlockByNumber(1) gives me null, even ...
- 205
2
votes
1
answer
1k
views
How to Make Geth 1.9+ Full Node to Trace Ancient Blocks?
I have full-synced a Geth 1.9.9 node but my requests including ancient blocks erroring. I know this is because of state-pruning but I wonder how to enable tracing for an ancient block so it returns ...
- 507
2
votes
2
answers
365
views
Upgrade a fully synced node to archive node?
Is it possible to upgrade a fully synced node to archive node ? means can i download older states by changing gcmode to archive ? or i will have to start from scratch ?
- 33
4
votes
1
answer
603
views
Ethereum pruning: What if no archival node existed?
I was reading about pruning in Ethereum which is basically a way to run a full node without needing to keep over 1TB of blockchain data. To my understanding, the whole blockchain exists but only keeps ...
- 173
1
vote
1
answer
789
views
What are the benefits of ethereum 'archive' sync mode and who should use it?
We have set up a private Ethereum node for our blockchain application connected to the mainnet. The node runs on a server with 2TB SSD, 4 CPU and 6GB memory. It's been syncing for about a week and is ...
- 387
1
vote
0
answers
91
views
Custom Merkle Patricia Tree
One of the requirements of building our company's DApp is to maintain a separate, custom Merkle Patricia Tree that contain's data from our company's platform only. The Tree needs all CRUD operations ...
- 11
1
vote
0
answers
64
views
What portions of the block are validated in Geth's --fast and Parity's --warp mode?
When I am syncing an Ethereum node using Geth's --fast mode and Parity's --warp mode, what portions of the block are being validated as they are being downloaded?
I understand that --fast and --warp ...
- 409
1
vote
0
answers
831
views
How to make geth keep states for the last 10000 blocks instead of 128
If I understand it correctly, geth preserves states for the last 128 blocks and prunes states for all other blocks. I would like to keep states for a bigger number of last blocks, say 10000 blocks. Is ...
- 31
1
vote
1
answer
61
views
Reference a long-forgoten account
In the Etherem Blog
Vitalik says: "but we do not store history older than 5000 blocks.".
1) Is it to be understood that the state Trie does not contain the state of accounts which were not in use ...
- 313
6
votes
1
answer
3k
views
Full node sync only preserve the last 128 history states
While researching on the different sync modes and their behaviors, I learned that geth full sync will replay all transactions from the genesis and preserve all history states, while fast sync will ...
- 273
2
votes
1
answer
415
views
Merkle tree child hashing process
Each non leaf node of a Merkle tree is just the hash of the
concatenation of it's children.
Does this literally mean stick the 2 hashes together or is there a more intricate process involved?
i.e. ...
- 247
3
votes
0
answers
1k
views
Questions about geth state tree pruning [closed]
In current geth, how long (in terms of blocks) will a state tree node put into the death row before being pruned? Does this vary among different sync mode? And can we configure it?
Besides state ...
- 39
2
votes
0
answers
1k
views
Geth traceTransaction: missing trie node [duplicate]
I have a fully synced Geth node and am trying to run the debug.traceTransaction() method, but it keeps giving me this error:
Error: missing trie node ...
- 253
2
votes
1
answer
2k
views
Speed of syncing the chain in parity using archive pruning mode
I am using parity v1.7.0-beta-5f2cabd-20170727 and I sync with ethereum chain in archive mode in order to keep all states of smart contracts. The command i use to launch parity is
parity --pruning ...
- 123
1
vote
1
answer
117
views
What does State Trie save when pushing into array?
I'm interested/worried about the size of the State Trie over time
Lets suppose I have a contract with two vars:
uint myNumber;
uint[] myArray;
As far as I understand, If I change the value of "...
- 533
2
votes
1
answer
127
views
Why does the blockchain store multiple copies of the same code?
Based on joeykrug's questions on Github: Is there any reason we need to store multiple copies of code if the same contracts use the same code? For example, if a contract is deployed and another ...
eth♦
- 85.1k
4
votes
1
answer
152
views
Syncing a fraction of the blockchain
I have a few questions about the way the blockchain syncs.
I noticed on a couple of posts while researching that it's possible to start the block chain from a certain block. It was suggested that if ...
3
votes
0
answers
406
views
Do I have to set pruning to archive for supportive full node
I run a parity node on a server of mine (with a lot of resources and bandwidth) for the sole reason of supporting the network. I don't have any accounts there since my funds are on another machine.
...
- 131
8
votes
1
answer
3k
views
Is there a dynamic pruning in geth --fast?
Once i've downloaded the blockchain with geth --fast , is there a dynamic pruning on the up-comings blocks, or will I archive all the blocks from where I stand?
- 1,242
17
votes
1
answer
382
views
Can Ethereum be pruned to the extent that it could be run from a Raspberry Pi?
What are the limits to how much the ETH blockchain can be pruned. Will ETH ever be practical on devices with limited resources such as a Raspberry Pi, Android or iOS wallet?
- 363
16
votes
2
answers
12k
views
What is the parity light pruning mode?
Parity offers four different pruning methods: archive, basic, fast and light:
--pruning METHOD Configure pruning of the state/storage trie. METHOD
may be one of ...
- 32.8k
4
votes
0
answers
525
views
How does ethereum keep track of changes on smart contract storage? [closed]
I'm aware that ethereum has essentially 3 tree-like structures:
State data
Receipts data
Chain data
As I've just learned from this question, contract storage resides on state data tree.
Digging ...
- 2,471
4
votes
1
answer
909
views
Can I do a pruned fast sync?
I would like to do a fast bootstrap of the Ethereum blockchain with minimal disk space usage. Can geth do a pruned fast sync?
- 2,600
14
votes
1
answer
4k
views
Why isn't fast sync the default?
As I understand, fast sync has all the security guarantees of a full sync, but is faster. Is that correct? If so, why isn't fast sync the default?
- 2,600
23
votes
2
answers
4k
views
Difference between a pruned and unpruned blockchain
At the Berlin Blockchain Meetup, Gustav Simonsson teased the Homestead release coming soon (tm) and we were discussing blockchain bloat and the current size of the Ethereum blockchain.
We discussed ...
- 32.8k
11
votes
2
answers
217
views
How dependent is the ethereum client on the router and DNS being trusted?
Another way to put it: what is the root of trust for a full client on a network that has a potentially untrusted (or "owned") router+DNS?
As I was going through the ethereum wiki semi-randomly, I ...
- 213
5
votes
1
answer
416
views
How can we conserve disk space or compress the blockchain?
The blockchain is eating into my macs disk space. Will there be a way in the future to compress it or redirect to an external hard drive?
- 175
18
votes
1
answer
4k
views
What is state-trie pruning and how does it work?
Several sources mention the idea of state-trie pruning. What is that, and is it currently being implemented on the network? Is this a manual process or can it be done automatically? If Ethereum is ...
- 4,746
172
votes
8
answers
131k
views
What are the Ethereum disk space needs?
How fast is Ethereum blockchain growing and how big is it likely to get in the future? Is it still about 1 GB per month? Are there any data pruning or compression algorithms in place or planned to be ...
- 1,821