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mongodb-partners / mongo-rocks

MongoDB storage integration layer for the Rocks storage engine
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Failures: compile_all on Ubuntu 14.04 (RocksDB) (storage_rocks_record_store_test) #106

Open IanWhalen opened 7 years ago

IanWhalen commented 7 years ago

just a heads up for y'all that we're seeing a pretty consistent failure in the rocksdb buildvariant:

https://jira.mongodb.org/browse/SERVER-31230

igorcanadi commented 7 years ago

Thanks, I'm looking into this.

igorcanadi commented 7 years ago

Hey @IanWhalen, this failure seems to come from a change https://github.com/mongodb/mongo/commit/77dc6917428ffad4b9ff2d54d78fa9b225f78a4b, which redesigned how mongo handles visibility of oplog and capped collection updates. This is also most likely the cause of https://github.com/mongodb-partners/mongo-rocks/issues/102.

Since it's a bigger change I might need some more time to understand it and port to MongoRocks. If you have any materials that explain the redesign please let me know.

IanWhalen commented 7 years ago

Hey Igor, I've attached a design doc to https://jira.mongodb.org/browse/SERVER-28620. Hopefully that helps? If you've got any further questions based I'd recommend taking it to the mongodb-dev channel and someone from the Storage team can answer you there.

igorcanadi commented 7 years ago

@IanWhalen very helpful, thanks! I'll sort it out this week hopefully.