Allow multi-threaded sqlite3 operations #377
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This change tries to fix SQLite operational errors observed when running
pipeline_testingon BeeGFS filesystems.It has to be used in conjunction with
@jobs_limit(PARAMS.get("jobs_limit_db", 1), "db")inruffustasks in our pipelines. I am planning to included it on production pipelines in a future PR on the pipelines repository.For our reference:
Using SQLite In Multi-Threaded Applications
https://sqlite.org/threadsafe.html
Both
defaultsandconda-forgechannels in conda compilesqlite3with--enable-threadsafe:https://anaconda.org/conda-forge/sqlite/files
https://anaconda.org/anaconda/sqlite/files
connectfunction in sqlite3's module withcheck_same_thread=Falsehttps://docs.python.org/3/library/sqlite3.html#sqlite3.connect