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Node Operator Roundtables Discuss Prometheus Exported Statistics and RAM Efficiency Entering 2023
Node Operator Roundtables Discuss Prometheus Exported Statistics and RAM Efficiency Entering 2023

Published on February 10, 2023

Markus Hinrichs avatar
Written by Markus Hinrichs
Updated over a year ago

Author: Marco González

Editor: Randall Roland

The following content is by no means meant to be exhaustive. Hopefully, the reader leaves with a better sense of what to expect for Leap 4.0 in terms of exportable statistics. Also included is a coinciding discussion about increasing overall network efficiency.

What is Prometheus?

Prometheus is an open-source toolkit, first active in 2012. That’s just a couple of years after the first Bitcoin block and two years before the first Bitcoin boom. Numerous companies now depend on the independently maintained project. Prometheus’ main features include:

  • autonomous server nodes

  • time-series pull model over HTTP

  • multifaceted data model employing metric names and key/value pairs to identify data

  • targets discovered via service or static configuration

  • various graphing modes

  • and more

Benefits for Blockchains

Ethereum’s abundantly available statistics already benefit from Prometheus data exportation. So do investigations and analyses of Bitcoin nodes.

Prometheus provides long-standing benefits to high market cap chains by exporting crypto values. EOS expansion plans will invariably require the improvement of analytical tools. Prometheus also proves its worth in scraping endpoints and gathering data for presentation on Coin Market Cap.

How EOS Plans to Integrate Prometheus Exporter

Nodeos compares to a black box. The vast amount of information hidden deep within has yet to be tapped. Prometheus exporter can provide useful access.

Week #10 (Nov. 30) of the Node Operators Round Table kicked off the discussion about what kinds of statistics Prometheus Exporter should include for Leap 4.0.

The community prepared a list of preferred statistics. Among the first crucial data points (from the Nov. 30 meeting and comments [01, 02]) were:

  • regular use data (e.g. get_info data, head block, LIB, etc.)

  • block logs of full and trimmed nodes

  • runtime configs

  • block and state_history ranges

  • enabled plugins

  • net peers

Focus points for functionality included:

  • depth of monitoring configuration

  • employing other threads to minimize node impact

  • prepended static string for metric names

  • custom metric dimensions

  • get info endpoints formatted as JSON

  • ability to export all current logs

Broad early targets discussed during week #11 (Dec. 7) include:

  • an architectural draft

  • chronicling contributions

In terms of deliverables, a nodeos monitoring dashboard is an example of what could be ready for the first version of Prometheus exporter on EOS.

Improving statistical analysis is only part of the equation. Insuring efficient performance is another.

Recognizing EOS’ Operational Differences

The Blockchain Council described differences in smart contract platforms. EOS allows users to own assets whereas Ethereum employs a rental model. EOS keeps transaction costs low. However, the usage of RAM (likened to memory) needs to be curtailed to unleash the full potential of the in-development Leap 4.0.

Why is RAM Important to the Prometheus Conversation?

The January 4 (week #13) EOS Node Operators Round Table advanced the weeks of Prometheus discussion. RAM usage was explored alongside a new resource model and scalability limits. User concerns need to stay ahead of network congestion. Other concerns are abuse and managing costs.

Earlier, during week #09, the excessive use of RAM in storing state history was identified as a key improvement area. Consumption continues to grow at a pace that’s getting hard to manage. Introducing new statistics via Prometheus would be incomplete without improving EOS efficiency. Statistics can become convoluted if core infrastructure lags behind other areas of development.

The week #09 meeting inquired about performance tradeoffs vs. RAM size. An answer that arose was to allocate a single:

“block production cycle for loading data into RAM”.

Further investigation was warranted by an RFP. Other short-term opportunities are listed in the meeting notes of week #09.

In terms of long-term solutions, two ideas resonated with the group:

  • incentivizing smart contracts “to specify RAM vs. Disk storage”

  • finding hardware with faster CPU cores and high RAM

AntelopeIO-related discussions about RAM are seen as early as in the EOS Core+ Blue Paper. Unsellable RAM was introduced for buyers supporting free accounts. This would prevent abuse in the form of selling excess RAM granted at the time of creation.

OUTLOOK

Leap 4.0 promises to build upon the resounding success already achieved by the AntelopeIO team. With many pre-existing issues inherited from EOSIO, the next version of the EOS mainnet expects to take an even greater Leap forward than 3.0 has. Keep in mind that Leap 3.0 introduces IBC and an EVM in ways that expand EOS’ presence.

The key to further expansion and scaling is improving statistical tools alongside efficiency. Early Prometheus integration gears toward fundamental analysis. Managing RAM for increased network traffic is also key to scaling. Prometheus and efficient RAM use will greatly aid independent projects of all sizes. Taken together, the future of EOS becomes a bit of a mystery with a multitude of avenues for innovation.


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