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Reduce duplicate peer traffic for ledger data (#5126)

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- Drop duplicate outgoing TMGetLedger messages per peer
  - Allow a retry after 30s in case of peer or network congestion.
  - Addresses RIPD-1870
  - (Changes levelization. That is not desirable, and will need to be fixed.)
- Drop duplicate incoming TMGetLedger messages per peer
  - Allow a retry after 15s in case of peer or network congestion.
  - The requestCookie is ignored when computing the hash, thus increasing
    the chances of detecting duplicate messages.
  - With duplicate messages, keep track of the different requestCookies
    (or lack of cookie). When work is finally done for a given request,
    send the response to all the peers that are waiting on the request,
    sending one message per peer, including all the cookies and
    a "directResponse" flag indicating the data is intended for the
    sender, too.
  - Addresses RIPD-1871
- Drop duplicate incoming TMLedgerData messages
  - Addresses RIPD-1869
- Improve logging related to ledger acquisition
- Class "CanProcess" to keep track of processing of distinct items

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Co-authored-by: Valentin Balaschenko <13349202+vlntb@users.noreply.github.com>
This commit is contained in:
Ed Hennis
2025-02-14 18:51:51 -05:00
committed by GitHub
parent 7c9d652d9b
commit dd5e6559dd
27 changed files with 1017 additions and 147 deletions
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2
Builds/levelization/results/loops.txt
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@@ -14,7 +14,7 @@ Loop: xrpld.app xrpld.net
xrpld.app > xrpld.net
Loop: xrpld.app xrpld.overlay
xrpld.overlay == xrpld.app
xrpld.overlay ~= xrpld.app
Loop: xrpld.app xrpld.peerfinder
xrpld.app > xrpld.peerfinder