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  1. An implementation of the Ouroboros family of consensus algorithms, with its networking support

    Haskell 144 45

  2. Cryptographic currency implementing Ouroboros PoS protocol

    Haskell 3.6k 608

  3. A type-safe, non-TH Haskell SQL library and ORM

    Haskell 465 115

  4. Test monadic programs using state machine based models

    Haskell 195 15

  5. Official Wallet Backend & API for Cardano-SL

    Haskell 21 13

220 contributions in the last year

Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Mon Wed Fri

Contribution activity

June 2021

Created 7 commits in 1 repository

Created a pull request in input-output-hk/cardano-db-sync that received 5 comments

Bulk insert optimisation

We use putMany utility from persistent to insert stakes and rewards in chunks of 1000. Before inserting, persistent uses nubBy to check that there …

+54 −18 5 comments
Opened 6 other pull requests in 2 repositories
Reviewed 2 pull requests in 1 repository
input-output-hk/cardano-db-sync 2 pull requests

Created an issue in yesodweb/persistent that received 1 comment

putMany is very expensive

We have a Postgres db which is filled doing bulk inserts and reaches up to 30GB. We used putMany in chunks of 1000 rows for this. We noticed that t…

1 comment
Opened 1 other issue in 1 repository
1 open

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