Re: [pgAdmin][RM4701] Webpack optimization

Hi Hackers,

Attached is the rebased patch after the latest git pull.
Kindly review.

On Mon, Oct 7, 2019 at 4:34 PM Aditya Toshniwal <
aditya(dot)toshniwal(at)enterprisedb(dot)com> wrote:

> Hi Hackers,
>
> Attached is the updated patch. Jasmine test cases were failing randomly.
> They are fixed now.
>
> Kindly review.
>
> On Thu, Oct 3, 2019 at 12:40 PM Aditya Toshniwal <
> aditya(dot)toshniwal(at)enterprisedb(dot)com> wrote:
>
>> Hi Hackers,
>>
>> Attached is the updated patch. Debugger and Jasmine test cases are fixed.
>> However, API test cases did not fail for me. Tried on PG 9.4, 11 both
>> server mode and desktop mode.
>> Kindly review.
>>
>> On Tue, Oct 1, 2019 at 2:23 PM Aditya Toshniwal <
>> aditya(dot)toshniwal(at)enterprisedb(dot)com> wrote:
>>
>>> Hi,
>>>
>>> Seems like things are breaking :(
>>> I had tested jasmine and API at least and were working fine.
>>> Will send an updated patch.
>>>
>>> On Tue, Oct 1, 2019 at 1:25 PM Khushboo Vashi <
>>> khushboo(dot)vashi(at)enterprisedb(dot)com> wrote:
>>>
>>>> Hi Aditya,
>>>>
>>>> - Debugger is not working.
>>>> - 14 Jasmine test cases are failing.
>>>> - Also, please check the API test cases once as they are failing on my
>>>> machine but may be this could be a path issue.
>>>>
>>>> Thanks,
>>>> Khushboo
>>>>
>>>> On Tue, Oct 1, 2019 at 12:25 PM Aditya Toshniwal <
>>>> aditya(dot)toshniwal(at)enterprisedb(dot)com> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> Attached is the updated patch.
>>>>> Kindly review.
>>>>>
>>>>> On Mon, Sep 30, 2019 at 6:06 PM Khushboo Vashi <
>>>>> khushboo(dot)vashi(at)enterprisedb(dot)com> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> On Mon, Sep 30, 2019 at 11:39 AM Aditya Toshniwal <
>>>>>> aditya(dot)toshniwal(at)enterprisedb(dot)com> wrote:
>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> Attached is the updated patch. Also includes few minor changes to
>>>>>>> make it work on IE.
>>>>>>>
>>>>>>>
>>>>>>> On Thu, Sep 26, 2019 at 4:16 PM Aditya Toshniwal <
>>>>>>> aditya(dot)toshniwal(at)enterprisedb(dot)com> wrote:
>>>>>>>
>>>>>>>> Hi Khushboo,
>>>>>>>>
>>>>>>>> On Thu, Sep 26, 2019 at 3:57 PM Khushboo Vashi <
>>>>>>>> khushboo(dot)vashi(at)enterprisedb(dot)com> wrote:
>>>>>>>>
>>>>>>>>> Hi Aditya,
>>>>>>>>>
>>>>>>>>> I have reviewed the patch and it works fine, however some of the
>>>>>>>>> review comments as below:
>>>>>>>>>
>>>>>>>>> - Flask compress dependency is not included in the requirement.txt
>>>>>>>>> file in this patch, so giving error.
>>>>>>>>>
>>>>>>>> I had added that I remember :/
>>>>>>>> Bad miss :(
>>>>>>>>
>>>>>>> Added.
>>>>>>>
>>>>>>>> - I have found 2 forms of sprintf in the code as below, can we
>>>>>>>>> make them identical?
>>>>>>>>> sprintf(gettext('Restore (%s: %s)'), node.label, data.label)
>>>>>>>>> pgadminUtils.sprintf('%s/%s', ref, encodeURI(o._id))
>>>>>>>>>
>>>>>>>> I checked this. The first one is imported in an ES6 syntax file,
>>>>>>> which allows only sprintf to be imported. The second one is in AMD file,
>>>>>>> where the complete file has to be imported. They cannot be identical.
>>>>>>>
>>>>>> Okay.
>>>>>>
>>>>>>> Yeah, I will check what I can do on this.
>>>>>>>>
>>>>>>>>> - I couldn't find the way to test the Flask - Compress scenario,
>>>>>>>>> please let me know how to check
>>>>>>>>>
>>>>>>>> OK, so as per suggestions, Flask Compress is disabled in Desktop
>>>>>>>> Mode. In the server mode, you can check the headers in network.
>>>>>>>>
>>>>>>> The Flask Compress Mode is disabled in Server Mode and working in
>>>>>> Desktop Mode.
>>>>>> This condition is the culprit : if not config.DEBUG and not
>>>>>> config.SERVER_MODE:
>>>>>>
>>>>>>> - *Webpack changes including lazy loading looks good to me*, however
>>>>>>>>> I couldn't find any performance improvement in lighthouse, may be because
>>>>>>>>> there are many parameters which are in consideration as per their report.
>>>>>>>>>
>>>>>>>> The problem with lighthouse is, it only checks the initial loading
>>>>>>>> of the app. We have improved lazy loading in SQL editor, which is not even
>>>>>>>> tested by lighthouse \_(- -)_/
>>>>>>>>
>>>>>>>> Thank you, will send the updated patch.
>>>>>>>>
>>>>>>>> Thanks,
>>>>>> Khushboo
>>>>>>
>>>>>>>
>>>>>>>>> Thanks,
>>>>>>>>> Khushboo
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Wed, Sep 25, 2019 at 12:58 PM Aditya Toshniwal <
>>>>>>>>> aditya(dot)toshniwal(at)enterprisedb(dot)com> wrote:
>>>>>>>>>
>>>>>>>>>> Hi,
>>>>>>>>>>
>>>>>>>>>> I've also added a yarn command in package.json - "yarn run
>>>>>>>>>> bundle:analyze" which will generate an html report (
>>>>>>>>>> webpack-bundle-analyzer) along with bundling for production.
>>>>>>>>>>
>>>>>>>>>> On Wed, Sep 25, 2019 at 12:46 PM Aditya Toshniwal <
>>>>>>>>>> aditya(dot)toshniwal(at)enterprisedb(dot)com> wrote:
>>>>>>>>>>
>>>>>>>>>>> Hi Hackers,
>>>>>>>>>>>
>>>>>>>>>>> Attached is the updated patch to incorporate the reviews.
>>>>>>>>>>> I'm finally able to lazy load chunks of JS ( leaflet,
>>>>>>>>>>> wkx, snapsvg, flotr2 - after a lot of hair pulling) as required to further
>>>>>>>>>>> reduce initial load time.
>>>>>>>>>>> gzip will be done only in case of server mode as suggested.
>>>>>>>>>>> Below is the new structure of generated files (gzip will further reduce the
>>>>>>>>>>> size):
>>>>>>>>>>> [image: Screenshot 2019-09-25 at 12.34.44.png]
>>>>>>>>>>> Kindly review.
>>>>>>>>>>>
>>>>>>>>>>> On Wed, Sep 18, 2019 at 5:28 PM Ashesh Vashi <
>>>>>>>>>>> ashesh(dot)vashi(at)enterprisedb(dot)com> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> On Wed, Sep 18, 2019 at 5:25 PM Aditya Toshniwal <
>>>>>>>>>>>> aditya(dot)toshniwal(at)enterprisedb(dot)com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> Hi Ashesh,
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Wed, Sep 18, 2019 at 5:05 PM Ashesh Vashi <
>>>>>>>>>>>>> ashesh(dot)vashi(at)enterprisedb(dot)com> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Wed, Sep 18, 2019 at 2:26 PM Aditya Toshniwal <
>>>>>>>>>>>>>> aditya(dot)toshniwal(at)enterprisedb(dot)com> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Hi Hackers,
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Attached is the patch to optimise webpack bundled files for
>>>>>>>>>>>>>>> improving performance.
>>>>>>>>>>>>>>> @Ashesh Vashi <ashesh(dot)vashi(at)enterprisedb(dot)com> Thank you for
>>>>>>>>>>>>>>> your suggestions and inputs.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Changes include:
>>>>>>>>>>>>>>> 1) Remove underscore-string and sprintf-js packages as we
>>>>>>>>>>>>>>> were using only %s. Instead, added a function to do the same. Also changed
>>>>>>>>>>>>>>> gettext to behave like sprintf directly.
>>>>>>>>>>>>>>> 2) backgrid.sizeable.columns was not used anywhere, removed.
>>>>>>>>>>>>>>> @babel/polyfill is deprecated, replaced it with core-js.
>>>>>>>>>>>>>>> 3) Moved few css to make sure they get minified and bundled.
>>>>>>>>>>>>>>> 4) Added Flask-Compress to send static files as compressed
>>>>>>>>>>>>>>> gzip. This will reduce network traffic and improve initial load time for
>>>>>>>>>>>>>>> pgAdmin.
>>>>>>>>>>>>>>> 5) Split few JS files to make code reusable.
>>>>>>>>>>>>>>> 6) Lazy load few modules like leaflet, wkx is required only
>>>>>>>>>>>>>>> if geometry viewer is opened. snapsvg loaded only when explain plan is
>>>>>>>>>>>>>>> executed. This will improve sqleditor initial opening time.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Move svgsnap, and its dependencies completely in separate
>>>>>>>>>>>>>> module, and load them only when required (lazy loading).
>>>>>>>>>>>>>> Similarly - leaflet should be in a separate module, as not
>>>>>>>>>>>>>> many user will use the Geometry Viewer.
>>>>>>>>>>>>>>
>>>>>>>>>>>>> They are lazy loaded in the UI component, but are bundled
>>>>>>>>>>>>> along with sqleditor JS. I'll separate them into a different JS file to
>>>>>>>>>>>>> further isolate.
>>>>>>>>>>>>>
>>>>>>>>>>>> Code is written to loading it lazily, but - bundles are not
>>>>>>>>>>>> made like that.
>>>>>>>>>>>> Hence - whenever you load the sqleditor bundle, it will load
>>>>>>>>>>>> all dependencies, which is not exactly expected in lazy loading.
>>>>>>>>>>>>
>>>>>>>>>>>> -- Ashesh
>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>> -- Thanks, Ashesh
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Below is the size and files difference after and before the
>>>>>>>>>>>>>>> changes:
>>>>>>>>>>>>>>> [image: Screenshot 2019-09-18 at 14.13.02.png][image:
>>>>>>>>>>>>>>> Screenshot 2019-09-18 at 14.04.41.png]
>>>>>>>>>>>>>>> Below is the lighthouse (Chrome extension) report after and
>>>>>>>>>>>>>>> before the changes:
>>>>>>>>>>>>>>> [image: Screenshot 2019-09-18 at 13.53.10.png] [image:
>>>>>>>>>>>>>>> Screenshot 2019-09-18 at 14.08.20.png]
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Do not forget to do a yarn install and a pip install
>>>>>>>>>>>>>>> Kindly review.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>> Thanks and Regards,
>>>>>>>>>>>>>>> Aditya Toshniwal
>>>>>>>>>>>>>>> Software Engineer | EnterpriseDB India | Pune
>>>>>>>>>>>>>>> "Don't Complain about Heat, Plant a TREE"
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> --
>>>>>>>>>>>>> Thanks and Regards,
>>>>>>>>>>>>> Aditya Toshniwal
>>>>>>>>>>>>> Software Engineer | EnterpriseDB India | Pune
>>>>>>>>>>>>> "Don't Complain about Heat, Plant a TREE"
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> --
>>>>>>>>>>> Thanks and Regards,
>>>>>>>>>>> Aditya Toshniwal
>>>>>>>>>>> Software Engineer | EnterpriseDB India | Pune
>>>>>>>>>>> "Don't Complain about Heat, Plant a TREE"
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> Thanks and Regards,
>>>>>>>>>> Aditya Toshniwal
>>>>>>>>>> Software Engineer | EnterpriseDB India | Pune
>>>>>>>>>> "Don't Complain about Heat, Plant a TREE"
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Thanks and Regards,
>>>>>>>> Aditya Toshniwal
>>>>>>>> Sr. Software Engineer | EnterpriseDB India | Pune
>>>>>>>> "Don't Complain about Heat, Plant a TREE"
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Thanks and Regards,
>>>>>>> Aditya Toshniwal
>>>>>>> Sr. Software Engineer | EnterpriseDB India | Pune
>>>>>>> "Don't Complain about Heat, Plant a TREE"
>>>>>>>
>>>>>>
>>>>>
>>>>> --
>>>>> Thanks and Regards,
>>>>> Aditya Toshniwal
>>>>> Sr. Software Engineer | EnterpriseDB India | Pune
>>>>> "Don't Complain about Heat, Plant a TREE"
>>>>>
>>>>
>>>
>>> --
>>> Thanks and Regards,
>>> Aditya Toshniwal
>>> Sr. Software Engineer | EnterpriseDB India | Pune
>>> "Don't Complain about Heat, Plant a TREE"
>>>
>>
>>
>> --
>> Thanks and Regards,
>> Aditya Toshniwal
>> Sr. Software Engineer | EnterpriseDB India | Pune
>> "Don't Complain about Heat, Plant a TREE"
>>
>
>
> --
> Thanks and Regards,
> Aditya Toshniwal
> Sr. Software Engineer | EnterpriseDB India | Pune
> "Don't Complain about Heat, Plant a TREE"
>

--
Thanks and Regards,
Aditya Toshniwal
Sr. Software Engineer | EnterpriseDB India | Pune
"Don't Complain about Heat, Plant a TREE"