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Le Zhang
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Custom monitoring graphs for xrp.ninja validator
As you may know, my rippled validator runs on GCE. So I use stackdriver to monitor it. I created two custom metrics for it.

One metric is uptime with rippled version as a label. Here's a live graph for this metric. From this graph, you can easily tell what...
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xrp.ninja is now web-monetized
I know I am have been too lazy. It's just a matter of copy and paste. So thanks to any coil subscriber who visits this blog. Your support will be greatly appreciated.
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A rippled API library in Go language
https://github.com/r0bertz/ripple I have been working on this lately. It's a fork of its original one. I learned a lot since I started working on it. Specifically, I learned there is a lot of inconsistencies in the output of rippled API. See for yourself in...
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xrp.ninja Ripple validator returns normal since two day ago
There's some problem with the validator ever since it crashed about a week ago. It doesn't crash any more since I added much more disk space. But it easily fall behind and need to play catch up several hours after each restart. I learned this from state_acc...
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xrp.ninja Ripple validator crashed last night due to low free disk space
The above graph shows what happened. I did get an alert from GCE that disk usage was high. I have an alert policy which says alert me if disk usage is over 80% for more than 5 minutes. However, it was too late, so I didn't get up and thought maybe it could ...
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Ripple's Decentralization Strategy
Copied from the following link: https://www.xrpchat.com/topic/16362-rippled-0810-released/?do=findComment&comment=191441 mDuo13 wrote this. Kudos to him. To recap the Decentralization Strategy, here's a summary: Switch to using a validator list site (vl.rip...
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xrp.ninja Ripple validator upgraded to 0.81.0
This happened at about 1:45pm local time. There were some behavior changes after the upgrade:
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Monitoring ripple validator running in GCE
GCE provides various kinds of metrics from which one can create dashboard, alerting policies etc. However, there is no way to monitor performance of rippled unless we wrote something ourselves. Fortunately, GCE allows creating custom metrics. So I decided t...
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