The Problem
New hard fork 24 is a bit breaking for https://hive.vote. We use hive RPC nodes for hive.vote to get the accounts, votes, and posts with the minimum latency. In v1.24.2 (new version of hived) all the votes and posts moved to the hivemind. Since we need the votes and posts, the only available option is to set up our private hivemind. But hivemind is a big database of ~600GB data which takes a few days to fully sync on a fast storage machine.
Available Options
We can set up our hivemind instance and get the data we need. But we at https://hive.vote, don't need all of that data from hivemind. Actually, we only need the posts and votes from the past 7 days. So, the only option I can think of is, building our own database structure which is optimized for fast writes and reads and takes way less time to fully sync (I'd guess less than 30 minutes).
The Best Option
So, I will start building this new database structure and will share it with the community. I believe there are already a few projects like this but I'm sure those will require modifications and that requires reviewing all the code which takes time. And we are short on the time.
So let's build our own structure which will open up the opportunity to add more features to the website.
Of course, if you think you have the solution to our problem or can help us in any way, please comment below.
Maintenance
As I said, hf24 will break https://hive.vote. So we have to turn off all the services on 6 October until the new back-end product is ready.
I'm not sure how long it will take, but I will do my best to bring it back as soon as possible.
It seems an easy job but "don't judge a book by its cover". I'm sure it will beat me up.
On a side note: The time for hf24 may change again (unlikely but possible), so the maintenance time may change based on that.
Donations
Any amount of donations are much appreciated. https://hive.vote is free because of your kind supports.
Don't hesitate to leave your suggestions/feedback in the comments.
Thanks for your kindness ❤,
@mahdiyari
It’s too bad that the hardfork will break hive.vote. You seem to have a good plan to fix it so that is a good thing.
Hello,
Trying to create a downvote trail u fails with the message, "Bad Request"
What can I have done wrong, there is only input for the description
That error message should be improved. For creating a downvote trail you need at least 1k HP in your account.
Oh, it must be your own HP. Or a delegation is enough.
And what happens if HP falls again afterwards. We then switched off the tail
Total HP (own or delegation, doesn't matter)
It's just a one-time check on the trail creation.
okay thanks for your help
What is the hivemind? Will the hive RPC nodes stop accepting broadcasts?
hivemind is a database for the social aspect of the hive. It basically keeps post content, vote data, etc. It is a database that is easier to maintain and work with data.
RPC nodes accept the broadcast and will accept it after hf24 too. Now you can't get post content with API call from the hived node. Public RPC nodes like anyx.io run hived+hivemind behind jussi to redirect all the api calls to the correct place.
e.g. condenser_api.get_content requires hivemind.
you lost me at hivemind LOL
Thank you very much for the explanation.
Just to understand how it all works, couldn't you run hive.vote on the anyx node without having your own?
Just to understand how it all works, couldn't you run hive.vote on the anyx node without having your own?
Hi,
The load on hive.vote is too much to use a public node. It crashed some public nodes in the past (3 years ago). Sometimes we need to get +1000 API calls in less than a second. The local node + database is our best option.
I believe every major app should have it's own RPC node and don't depend on the public nodes.
Dear @mahdiyari, thank you for the simple and effective explanation! 🙏
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Thanks for the answer.
Definitely agree with this.
Good luck on the decision to build hive.vote's own database structure. I'm sure it will do good things for you going forward.
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Good luck brother
This data base structure sounds a little like a server is needed. Using a server sounds like defeating the purpose of blockchain. Please correct me if I'm wrong and explain to me so I better understand.
A server that can be built by anyone. There is no centralization.
Well,
I looked this up...
But then I'd have to keep looking more definitions up, and probably get confused and have to start all over.
OR I can trust your opinion and ability; looking at what you've done so far... transparency of the Blockchain etc... Appreciate your time taken to explain things my friend.
We trust that you will find the best way to resolve the issue and fix Hive soon.