Hivemind, a tool by Steemit inc., is a backend API service currently replace some of the endpoints of steemd. It's in use for a good amount time.
I've been running a public Hivemind node, distributing daily database snapshots almost 9 months. There is also tower, a REST interface for Hivemind data, is developed and maintained by me, so far.
RPC and REST interfaces are just the tip of the iceberg since the underlying database -PostgreSQL- offers much more flexible queries. (Check some examples)
I want to offer read-only public accounts to query the Hivemind database. This requires new infrastructure planning. Can't offer public accounts on the master PostgreSQL instance due to obvious reasons, I need new at least one or two replica instances where people can query and benefit the power of the Hivemind.
These come with additional development/maintenance/server costs. While I am happy to do that with my witness earnings, I already run a lot of dedicated servers.
Didn't really do the math, but probably get into a loss if we compare the costs with witness earnings. Here is my server list for STEEM related things:
A reliable, fast, public SQL service (direct connection) of the Hivemind. I expect to deliver it before 2020. The plan is exposing Hivemind's database directly to the public with a good, old PostgreSQL user. (read-only)
1 year
12 SBD
1 year is a lot, I cannot promise anything at this time. But, worth to mention, I already served free public Hivemind node for 9 months, and I expect to keep this service is up as long as I can, financially.
My plan is to power up the SBD, instantly after converting to STEEM. I will cover the server costs with fiat and don't create sell pressure on STEEM with the steem dao funds. However, this might change in upcoming months depending on the costs, my financial status, etc.
I am a software engineer with 10+ years of experience. Also, experienced with Python (the language powers Hivemind), and PostgreSQL. (My github account @emre might be a good indicator about what can I do.)
This is useful mostly for software developers, data people. Applications, dapps, reports can benefit this direct SQL access.
SteemSQL is a general blockchain data service, while Hivemind only stores a partition of the blockchain data. Mostly social part like posts, accounts, votes, relationships (follow, ignore, resteem), etc. It's also planned to store communitiesdata at Hivemind.
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