A few additional suggestions for breaking changes: - Do we still need the DECIMAL_V2 query option? Seems like this has been true for a while. Maybe we can add it to the list of deprecated flags? - Deprecate support for ADLS, since it has effectively been replaced by ABFS - Deprecate (or even remove) support for HDFS cacheing? Not sure how extensively this is used, removing the code would be nice as it simplifies part of the HDFS read path
On Mon, Mar 16, 2020 at 6:11 PM 赵 仁海 <zhaoren...@hotmail.com> wrote: > Hi > > Could we add support for arm64? > > Thanks > Zhao Renhai > > ________________________________ > 发件人: Joe McDonnell <joemcdonn...@cloudera.com> > 发送时间: 2020年3月17日 1:07 > 收件人: dev@impala.apache.org <dev@impala.apache.org> > 主题: Impala 4.0 breaking changes > > Now that Impala 3.4 is branched and master is Impala 4.0, we need to decide > what breaking changes will happen in Impala 4.0. I have provided a series > of proposals below. I welcome feedback on them. Other proposals are also > welcome. > > Thanks, > Joe > > Proposal 0: Hadoop component versions > > Switch to CDP versions of components by default. This means that Impala > will use Hive 3+ (which is already essentially Hive 4 and may change names > to being Hive 4). > Remove support for CDH versions of components. > This was already discussed in the original thread for Impala 4, so this is > not new. > > Proposal 1: OS support > > Drop support for Centos 6, Ubuntu 14, and Debian (all versions) > Retain support for Ubuntu 16, Ubuntu 18, Centos 7, and SLES 12 > Centos 7 development will be focused on newer Centos 7 versions such as 7.6 > and 7.7. > Add support for Centos 8 > Move main development from Ubuntu 16 to Ubuntu 18 over time. > > Proposal 2: Python support > > Drop support for Python 2.6 > Add support for Python 3 over time. > > Proposal 3: Impala-lzo > > Drop support for Impala-lzo/hadoop-lzo > > Proposal 4: Clients > > Deprecate beeswax protocol. This means that it can be removed in the next > major version number, but it would not be removed in Impala 4. Current > users of beeswax would need to start migrating to HS2. > > Proposal 5: Sentry > > Drop support for Sentry in favor of Ranger. > > Proposal 6: Metadata > > Metadata V2 will become the default. Metadata V1 will be deprecated. > > Thanks, > Joe > -- Sahil Takiar Software Engineer takiar.sa...@gmail.com | (510) 673-0309
