A new bugfix release of steem (0.20.6) is currently prepared for release next week. @reggaemuffin already merged the most important changes into his live test environment https://testbed.reggaemuffin.me/ (more infos.
I will do some tests regarding the changed RC costs:
The broadcasted operation can be seen https://steemd.com/@beembot
RC costs measurements
Version 0.20.5 was measured on https://api.steemit.com. 0.20.6 was measured on https://testbed.reggaemuffin.me/.
The RC costs were measured by:
For 0.20.6 (https://testbed.reggaemuffin.me/)
node = "https://testbed.reggaemuffin.me/"
stm = Steem(node=node, keys=[wif_posting])
account = Account("beembot", steem_instance=stm)
rc_mana_old = account.get_rc_manabar()
print(account.steem)
# place for broadcast a operation
sleep(5)
rc_mana_new = account.get_rc_manabar()
rc_costs = rc_mana_old["current_mana"] - rc_mana_new["current_mana"]
print("RC costs: %f G RC" % (rc_costs / 1e9))
For 0.20.5 (https://api.steemit.com):
stm2 = Steem(node = "https://api.steemit.com", keys=[wif_posting])
account = Account("beembot", steem_instance=stm2)
rc_mana_old = account.get_rc_manabar()
print(account.steem)
# place for broadcast a operation
sleep(5)
rc_mana_new = account.get_rc_manabar()
rc_costs = rc_mana_old["current_mana"] - rc_mana_new["current_mana"]
print("Costs: %f G RC" % (rc_costs / 1e9))
Measurements
Transfer
| version | RC costs [G RC] |
|---|---|
| 0.20.6 | 0.300629 |
| 0.20.5 | 0.254544 |
Vote
| version | RC costs [G RC] |
|---|---|
| 0.20.6 | 0.115230 |
| 0.20.5 | 0.288244 |
Custom_json (follow)
| version | RC costs [G RC] |
|---|---|
| 0.20.6 | 0.404449 |
| 0.20.5 | 0.070962 |
Custom_json (reblog)
| version | RC costs [G RC] |
|---|---|
| 0.20.6 | 0.106790 |
| 0.20.5 | 0.092349 |
Comment
| version | RC costs [G RC] |
|---|---|
| 0.20.6 | 1.966627 |
| 0.20.5 | 1.821318 |
Conclusion
RC costs for a vote and a follow custom_json operation will be changing. RC costs for a vote are reduced by a factor of 2.5. RC costs for a follow custom_json OP are increased by a factor of 5.6. The RC costs of other custom_json operation is not affected.
The RC costs of all broadcasted operations are slightly increased, as now the execution time is now included in the RC cost calculation.
Link to the commits:
There are three changes related to RC costs:
- execution time: https://github.com/steemit/steem/commit/27b3e5e92682cb3c042e3dd6938eef9e5ef0117c
- Reducing custom_json execution time and increasing custom_json follow execution time: https://github.com/steemit/steem/commit/47ce5099ba254141b4ffe97bb3187d3a21369365
- Reducing RC costs f or a vote: https://github.com/steemit/steem/commit/673c86fa572d54d7d7a982ca8cb7c2440d8eb214
Oh... will make it even more difficult for noobies. Not good!
.
There are three changes:
.
A follow op is costly, as it has to be collected and stored into a database. The number of follower influences for example the feed. When all steemit user would follow 100000 accounts, the performance would be decreasing I think. All other custom_json are not that costly, e.g. a custom_json for steemmonsters do not influence the performance, as they will not be parsed by a steem API.
Does it mean that I should follow now ASAP as many as I can of those whose content interests me?
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Yes, if you want to save RCs, then you should follow everyone you intend to before the update.
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Thanx to inform about this. I was already surprised because I can do nothing after very little activity, because of lack of RC.
Thanks for testing and for sharing the findings!
These changes are importent. Thank's a lot for sharing them. Hope that they don't have much influence to my activities here at STEEMIT.
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Great job, thank for this information, my bro @holger80
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This is very informative.
Did you get to test / understand the following : https://github.com/steemit/steem/releases/tag/v0.20.6rc1
This means that the witness_api is removed. The old bandwidth system was replaced by the RC system. By removing the old bandwidth system, the blockchain reply time is reduced.
Yea - there was a typo. The correct issue is #3029 it was mentioned 2039 earlier :-D
https://github.com/steemit/steem/issues/3029
Aggggh the pain.
thank @holger80
Hey, @holger80.
I guess I'm looking at the changes and thinking that voting will be cheaper, but everything else will have either a slight or significant increase. Do you know if this is going to be an ongoing thing, incremental changes in the cost of actions until things more or less settle down?
Also, what time next week is this supposed to happen?
Have the cost for claiming an account change? I was able to claim one the first week but have not since because of an increase in RC cost.
You can check here
https://beempy.com/resource_costs