[jira] [Commented] (IMPALA-12219) impala-shell displays DeprecationWarning when using Python >=3.10

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IMPALA-12219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17735539#comment-17735539 ] 

ASF subversion and git services commented on IMPALA-12219:
----------------------------------------------------------

Commit 234d641d7bba4c2cab8e7c2b5fb72d2861bea23f in impala's branch refs/heads/master from Joe McDonnell
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=234d641d7 ]

IMPALA-11961/IMPALA-12207: Add Redhat 9 / Ubuntu 22 support

This adds support for Redhat 9 / Ubuntu 22. It updates
to a newer toolchain that has those builds, and it adds
supporting code in bootstrap_system.sh.

Redhat 9 and Ubuntu 22 use python = python3, which requires
various changes to build scripts and tests. Ubuntu 22 uses
Python 3.10, which deprecates certain ssl.PROTOCOL_TLS, so
this adapts test_client_ssl.py to that change until it
can be fully addressed in IMPALA-12219.

Various OpenSSL methods have been deprecated. As a workaround
until these can be addressed properly, this specifies
-Wno-deprecated-declarations. This can be removed once the
code is adapted to the non-deprecated APIs in IMPALA-12226.

Impala crashes with tcmalloc errors unless we update to a newer
gperftools, so this moves to gperftools 2.10. gperftools changed
the default for tcmalloc.aggressive_memory_decommit to off, so
this adapts our code to set it for backend tests. The gperftools
upgrade does not show any performance regression:

+----------+-----------------------+---------+------------+------------+----------------+
| Workload | File Format           | Avg (s) | Delta(Avg) | GeoMean(s) | Delta(GeoMean) |
+----------+-----------------------+---------+------------+------------+----------------+
| TPCH(42) | parquet / none / none | 3.08    | -0.64%     | 2.20       | -0.37%         |
+----------+-----------------------+---------+------------+------------+----------------+

With newer Python versions, the impala-virtualenv command
fails to create a Python 3 virtualenv. This switches to
using Python 3's builtin venv command for Python >=3.6.

Kudu needed a newer version and LLVM required a couple patches.

Testing:
 - Ran a core job on Ubuntu 22 and Redhat 9. The tests run
   to completion without crashing. There are test failures
   that will be addressed in follow-up JIRAs.
 - Ran dockerised tests on Ubuntu 22.
 - Ran dockerised tests on Ubuntu 20 and Rocky 8.5.

Change-Id: If1fcdb2f8c635ecd6dc7a8a1db81f5f389c78b86
Reviewed-on: http://gerrit.cloudera.org:8080/20073
Reviewed-by: Michael Smith <mi...@cloudera.com>
Tested-by: Joe McDonnell <jo...@cloudera.com>


> impala-shell displays DeprecationWarning when using Python >=3.10
> -----------------------------------------------------------------
>
>                 Key: IMPALA-12219
>                 URL: https://issues.apache.org/jira/browse/IMPALA-12219
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Clients
>    Affects Versions: Impala 4.3.0
>            Reporter: Joe McDonnell
>            Priority: Major
>
> Ubuntu 22 uses Python 3.10, which deprecated ssl.PROTOCOL_TLS. When impala-shell starts up, it produces this message:
> {noformat}
> Starting Impala Shell with no authentication using Python 3.10.6
> SSL is enabled. Impala server certificates will NOT be verified (set --ca_cert to change)
> Warning: live_progress only applies to interactive shell sessions, and is being skipped for now.
> /home/impdev/Impala/shell/build/impala-shell-4.3.0-SNAPSHOT/ext-py3/thrift-0.16.0-py3.10-linux-x86_64.egg/thrift/transport/TSSLSocket.py:53: DeprecationWarning: ssl.PROTOCOL_TLS is deprecated{noformat}
> This doesn't seem to be coming from impala-shell code, so we will need to track down what is using this.
> This is somewhat harmless, except that it causes test failures for custom_cluster/test_client_ssl.py, which asserts that DeprecationWarning is not in the output.
> {noformat}
>   def _validate_positive_cases(self, vector, ca_cert=""):
>     shell_options = ["--ssl", "-q", "select 1 + 2"]
>     result = run_impala_shell_cmd(vector, shell_options, wait_until_connected=False)
>     for msg in [self.SSL_ENABLED, self.CONNECTED, self.FETCHED]:
>       assert msg in result.stderr
>     assert self.DEPRECATION_WARNING not in result.stderr <-----{noformat}



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