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Aljoscha Krettek aljoscha

Software Engineer @MaterializeInc; Committer and PMC member at Apache Flink; Committer and PMC member at Apache Beam

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614 contributions in the last year

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Activity overview

Contributed to MaterializeInc/materialize, aljoscha/vim-colors-mostly-off, danhhz/materialize and 2 other repositories

Contribution activity

May 2022

Created 18 commits in 1 repository

MaterializeInc/materialize 18 commits

Created a pull request in MaterializeInc/materialize that received 64 comments

May 16

persist: separate writing updates to blob store from appending to shard metadata

An append() (or compare_and_append()) call internally does two separate steps: write the batch of updates to a Blob implementation (S3, in product…

+795 −264 • 64 comments

Opened 6 other pull requests in 1 repository

MaterializeInc/materialize 1 open 5 merged

Reviewed 26 pull requests in 1 repository

MaterializeInc/materialize 25 pull requests

persist: resolve a batch of TODOs May 25
Separate storage and compute May 25
persist: finish porting over microbenchmarks May 24
persist: delete old persist May 24
persist: separate writing updates to blob store from appending to shard metadata May 23
persist: add a handle to new Unreliable* impls May 20
persist: remove libsqlite3_sys dep May 18
storage: downgrade since in persist_source May 17
persist: overhaul timeouts, errors, retries May 16
persist: hook up Jepsen's Maelstrom for correctness testing May 11
persist: implement append() in terms of compare_and_append() May 11
persist: remove per-writer state May 11
persist: make file impls properly async May 10
persist: reduce write-to-listener latency May 10
persist: allow non-contiguous per-writer appends May 10
persist: make state size proportional to non-empty batches May 9
persist: remove production usages of futures_executor::block_on May 9
persist: add new persistent source example May 5
persist: remove Codec impl for Result May 5
persist: advance the timestamp of snapshot's output to its as_of May 4
persist: obey batch part description in snapshot() and listen() May 4
persist: make append functions accept a lot more types May 4
Persist ts bindings during source ingestion May 3
persist: fix two "disk" leaks May 3
persist: fix correctness bug in snapshot when as_of >= upper May 2
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