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24 Nov, 4 tweets, 1 min read
I recently got to do some coding again and wanted to share this branch while I'm still excited about it.
github.com/JoelKatz/rippl…
This saves memory, simplifies and reduces code, and speeds up ledger sync and historical ledger fetching. It cleans up an ugly bit of cruft in the getMissingNoded->NuDB path that has irritated me for a year.
It has not been reviewed yet so use at your own risk. The branch also has a NuDB latency fix that speeds up ledger advancing.
The magic is this part:
github.com/ripple/rippled…

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More from @JoelKatz

David Schwartz Profile picture
8 Nov
@XRPeuphoria_ @RepvblicReset @marshal_xrp_moe @ModusOperandice Trump has the evidence. He said he would release. He didn't release it. 1/2
@XRPeuphoria_ @RepvblicReset @marshal_xrp_moe @ModusOperandice And this is a pattern. Once again, Trump had evidence that he said would show he did nothing wrong. He said he'd release it. He did not. Why do you think that is? 2/2
@XRPeuphoria_ @RepvblicReset @marshal_xrp_moe @ModusOperandice Also, his pattern of using Twitter to lie to the people of the United States is unprecedented and disturbing.
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David Schwartz Profile picture
5 Nov
About eight years ago, a bear attacked my chicken coop. Image
I was a bit puzzled about what to do when something like this happens. So I called the county and told them that a bear had attacked my chicken coop.
So they bounced me to the correct department and I described what had happened. They asked me a bunch of basic question -- where I lived, whether anyone had seen the bear, and so on.
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David Schwartz Profile picture
20 Aug
When I was in Morocco, I remember noticing some subtle ways that women were treated as inferior. And I remember at the time, I even found it amusing. 1/x
One example was my wife being asked, in a clothing store, which shirt she thought her husband would prefer her to have rather than which she wanted. Some were more serious. And I even found myself thinking it's nice to live some place that doesn't do that. 2/x
Of course, only a man could think that. Of course we do that in the US. In millions of small and not small ways. I'm sure you've all heard stories of women in tech who were questioned or doubted in ways men would almost certainly not have been. 3/x
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David Schwartz Profile picture
9 Aug
@XrpMr and @MikeV_XRP : Just saw your question a few months ago about transaction fees on XRPL. To a first approximation, if there's X txns per ledger, you just have to pay more than X-1 txns. But here's the gory details:
Each XRPL server maintains an "open ledger" that it test applies txns to. This is how it determines if a txn seems likely to succeed. When the ledger closes, validators take the txns in this ledger as their initial proposal.
There are three ways to get into those open ledgers and thus in a validator's proposal. The first is if you are rejected in a previous consensus round. Those go in first.
Read 8 tweets
David Schwartz Profile picture
29 Jul
I recorded an episode of Block Stars today with my colleague, @justmoon and it was awesome. It will probably wind up being two episodes because we covered so much.
One interesting thing we talked about was why we decided not to build smart contracts into the XRP Ledger. And we did something that it never occurred to me to do before.
Ethereum, of course, made the opposite choice. They build smart contracts into their blockchain directly. We decided not to. So, with the benefit of everything we know now and with Ethereum for contrast, ...
Read 7 tweets
David Schwartz Profile picture
29 Jul
My daughter sends me the coolest stuff! Image
In sad news, I managed to sprain my ankle. I'm prone to ankle sprains but this is my worst sprain in 20 years. Image
Sorry for the gross photo. That doesn't look like a human foot. Fortunately, I'm not going anywhere for a while anyway.
Read 4 tweets

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