problem: bad performance with site

[AshHimself]

problem: bad performance with site, its loading really slow for me. Loading a currency on my local instance is taking like 15-17 seconds.

Solution: Ideally I would get Kadira going and see where its performing badly but I think we can all provide some input.

[Ayanrocks]

Changing from blaze to react can fix it with added ssr.

[gsovereignty]

I was pretty fast before (3-4 secs), when did this change for you?

[AshHimself]

@gazhayes the speed? If so, then i'd say its been getting gradually slower and in the last month or so. Is it just me? or is it fast for everyone else.

The currency view page does have A LOT of DOM elements and Blaze just craps itself with too many DOM elements.

[gsovereignty]

Kadira to the rescue methinks

[AshHimself]

:) https://medium.com/@foodfitnesscode/setting-up-kadira-on-a-ubuntu-16-04-server-part-1-a821cdddd1e6

[gsovereignty]

guess I better do it, unless someone else volunteers

[anbud]

I'm not sure what's different, but it still takes about 3-4 seconds to load a currency on a local server for me. But, Kadira will help us anyway. If you haven't started working on it @gazhayes, I can do it. :)

[gsovereignty]

@anbud you want me to give you a fresh ububtu server to work with?

[AshHimself]

@gazhayes not sure if the box is ready but I can get the ball moving if it is.

[gsovereignty]

I can have her fired up in an hour.

[AshHimself]

How'd yah get on mate? @gazhayes

[gsovereignty]

oops, forgot.

gareth@58.152.37.119 password sent by email

[samuelralak]

there’s been little change in regards to performance on my end, though am assuming that the situation will change as blockrazor grows. good thing this came up now

On Mon, 10 Sep 2018 at 09:55, Gareth Hayes notifications@github.com wrote:

oops: gareth@58.152.37.119 password sent by email

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[AshHimself]

@anbud @gazhayes - I have Kadira running but getting some CORS issues which is stopping data being sent to the server. Anyone have experiance in this? I can keep looking but obviously looking for the fastest path to resolution :)

http://58.152.37.119:4000/ admin@gmail.com admin

[anbud]

Change this line to 'Access-Control-Allow-Origin': '*',, restart the server and it'll probably fix the issue.

[AshHimself]

Let me have a look, I’m using a docker image so not sure I can just change it easily ?

On Mon, 10 Sep 2018 at 6:47 pm, Andrej Budinčević notifications@github.com wrote:

Change this line https://github.com/kadira-open/kadira-server/blob/74a7fa8ca4f8f90d2ad0e35a42a8997152619861/kadira-engine/lib/utils.js#L11 to 'Access-Control-Allow-Origin': '*',, restart the server and it'll probably fix the issue.

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[AshHimself]

@anbud i've resolved this CORS issue, but i'm just getting NO data sent to Kadira :/

I am using this docker package. https://github.com/edemaine/kadira-compose i'll be signing off for the night in about an hour if you want to take a look? Everything else is working perfect.

I am getting;

Kadira: authentication failed - check your appId & appSecret

[anbud]

Hmm, yeah, email me the server details and I'll take a look what's happening. :)

[anbud]

I spent quite some time looking for a solution and it appears that it was as simple as adding ?replicaSet=kadira to docker-compose.yml file. The UI and the engine were using different mongodb instances hence the discrepancies between data.

It's fixed now, and in #1881 I've connected Blockrazor to our Kadira instance. It seems to be getting the correct data as far as I've tested it locally.

[AshHimself]

@anbud - nice work mate!

Can you upgrade the account as well? I would but i'm traveling right now.

[anbud]

Sure thing. :)

[anbud]

Upgraded.

[gsovereignty]

Closing this as Kadira is up, performance related issues can be logged separately.