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ASF GitHub Bot logged work on BEAM-2810: ---------------------------------------- Author: ASF GitHub Bot Created on: 15/Jul/18 14:18 Start Date: 15/Jul/18 14:18 Worklog Time Spent: 10m Work Description: ryan-williams commented on issue #5862: [BEAM-2810] fastavro integration test URL: https://github.com/apache/beam/pull/5862#issuecomment-405095127 Run Python PostCommit ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 123407) Time Spent: 6h 10m (was: 6h) > Consider a faster Avro library in Python > ---------------------------------------- > > Key: BEAM-2810 > URL: https://issues.apache.org/jira/browse/BEAM-2810 > Project: Beam > Issue Type: Bug > Components: sdk-py-core > Reporter: Eugene Kirpichov > Assignee: Ryan Williams > Priority: Major > Time Spent: 6h 10m > Remaining Estimate: 0h > > https://stackoverflow.com/questions/45870789/bottleneck-on-data-source > Seems like this job is reading Avro files (exported by BigQuery) at about 2 > MB/s. > We use the standard Python "avro" library which is apparently known to be > very slow (10x+ slower than Java) > http://apache-avro.679487.n3.nabble.com/Avro-decode-very-slow-in-Python-td4034422.html, > and there are alternatives e.g. https://pypi.python.org/pypi/fastavro/ -- This message was sent by Atlassian JIRA (v7.6.3#76005)