NOTE: Because this client usesgrpclibrary, it is safe to
share instances across threads. In multiprocessing scenarios, the best
practice is to create client instancesafterthe invocation ofos.fork()bymultiprocessing.pool.Poolormultiprocessing.Process.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["Version latestkeyboard_arrow_down\n\n- [3.19.2 (latest)](/python/docs/reference/bigquerydatatransfer/latest/multiprocessing)\n- [3.19.1](/python/docs/reference/bigquerydatatransfer/3.19.1/multiprocessing)\n- [3.18.0](/python/docs/reference/bigquerydatatransfer/3.18.0/multiprocessing)\n- [3.17.1](/python/docs/reference/bigquerydatatransfer/3.17.1/multiprocessing)\n- [3.16.0](/python/docs/reference/bigquerydatatransfer/3.16.0/multiprocessing)\n- [3.15.7](/python/docs/reference/bigquerydatatransfer/3.15.7/multiprocessing)\n- [3.14.1](/python/docs/reference/bigquerydatatransfer/3.14.1/multiprocessing)\n- [3.13.0](/python/docs/reference/bigquerydatatransfer/3.13.0/multiprocessing)\n- [3.12.1](/python/docs/reference/bigquerydatatransfer/3.12.1/multiprocessing)\n- [3.11.2](/python/docs/reference/bigquerydatatransfer/3.11.2/multiprocessing)\n- [3.10.1](/python/docs/reference/bigquerydatatransfer/3.10.1/multiprocessing)\n- [3.9.0](/python/docs/reference/bigquerydatatransfer/3.9.0/multiprocessing)\n- [3.8.0](/python/docs/reference/bigquerydatatransfer/3.8.0/multiprocessing)\n- [3.7.3](/python/docs/reference/bigquerydatatransfer/3.7.3/multiprocessing)\n- [3.6.2](/python/docs/reference/bigquerydatatransfer/3.6.2/multiprocessing)\n- [3.5.0](/python/docs/reference/bigquerydatatransfer/3.5.0/multiprocessing)\n- [3.4.1](/python/docs/reference/bigquerydatatransfer/3.4.1/multiprocessing)\n- [3.3.4](/python/docs/reference/bigquerydatatransfer/3.3.4/multiprocessing)\n- [3.2.0](/python/docs/reference/bigquerydatatransfer/3.2.0/multiprocessing)\n- [3.1.1](/python/docs/reference/bigquerydatatransfer/3.1.1/multiprocessing)\n- [3.0.1](/python/docs/reference/bigquerydatatransfer/3.0.1/multiprocessing)\n- [2.1.2](/python/docs/reference/bigquerydatatransfer/2.1.2/multiprocessing)\n- [2.0.0](/python/docs/reference/bigquerydatatransfer/2.0.0/multiprocessing)\n- [1.1.3](/python/docs/reference/bigquerydatatransfer/1.1.3/multiprocessing)\n- [1.0.0](/python/docs/reference/bigquerydatatransfer/1.0.0/multiprocessing)\n- [0.4.1](/python/docs/reference/bigquerydatatransfer/0.4.1/multiprocessing) \n\nMultiprocessing\n===============\n\n**NOTE** : Because this client uses [`grpc`](https://grpc.github.io/grpc/python/grpc.html#module-grpc) library, it is safe to\nshare instances across threads. In multiprocessing scenarios, the best\npractice is to create client instances *after* the invocation of\n[`os.fork()`](https://docs.python.org/3/library/os.html#os.fork) by [`multiprocessing.pool.Pool`](https://docs.python.org/3/library/multiprocessing.html#multiprocessing.pool.Pool) or\n[`multiprocessing.Process`](https://docs.python.org/3/library/multiprocessing.html#multiprocessing.Process)."]]
