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Priming pentaho bi server cache


Priming pentaho bi server cache

By : user2948674
Date : November 15 2020, 06:54 AM
wish of those help Open up the CDA file in the user console and you'll be able to get a URL to get the CDA data. USe this url in a http get step in PDI to prime the cda cache.
OR to get the initial URLs just simply use firebug or similar to see what CDA urls are called when the dashboard loads and then call these urls from PDI.
code :


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Priming or warming cache in SQL Server

Priming or warming cache in SQL Server


By : user1736892
Date : March 29 2020, 07:55 AM
wish helps you Providing an "answer" in order to try to work this through as this is something I'm particularly interested in.
I came across this MSDN article on how to see what is in the SQL Server cache. There is a query there that will show you how many data pages are cached by object - I've tweaked it just to include the index name as below:
code :
SELECT count(*) AS cached_pages_count, obj.name, index_id, i.name AS IndexName
FROM sys.dm_os_buffer_descriptors AS bd 
    INNER JOIN 
    (
        SELECT object_id, object_name(object_id) AS name 
            ,index_id ,allocation_unit_id
        FROM sys.allocation_units AS au
            INNER JOIN sys.partitions AS p 
                ON au.container_id = p.hobt_id 
                    AND (au.type = 1 OR au.type = 3)
        UNION ALL
        SELECT object_id, object_name(object_id) AS name   
            ,index_id, allocation_unit_id
        FROM sys.allocation_units AS au
            INNER JOIN sys.partitions AS p 
                ON au.container_id = p.partition_id 
                    AND au.type = 2
    ) AS obj 
        ON bd.allocation_unit_id = obj.allocation_unit_id
    LEFT JOIN sysindexes i ON obj.object_id = i.id AND obj.index_id = i.indid
WHERE database_id = db_id()
GROUP BY obj.name, index_id, i.name
ORDER BY cached_pages_count DESC;
Priming the asp.net output cache

Priming the asp.net output cache


By : user3646810
Date : March 29 2020, 07:55 AM
may help you . I gave some thought to this last year and ended up concluding that it was not that important for the case, but if it's important for you website, all you have to do is to simply call the webpages from somewhere like Application_Start (after all code has run) event but you shouldn't stop there!
The cache will eventually expire and to avoid that you should set up some way to cache the pages again before any clients requests that page.
Priming a runtime service worker cache using Workbox

Priming a runtime service worker cache using Workbox


By : Peppe Aprile
Date : March 29 2020, 07:55 AM
Hope this helps Workbox's precaching relies on having access to a local file representing the resource at build time. This allows it to generate a hash of each resource its managing (based on the local file's contents) and then keep that cached resource up to date whenever the local file changes.
What you're suggestion sounds more like Workbox's support for handling certain routes via runtime caching. You can configure it via something like:
code :
// Replace with your actual API endpoint.
const API_URL = 'https://my-api-server.com/api/restEndpoint';

// Use whichever strategy you'd prefer: networkFirst, staleWhileRevalidate, etc.
const apiCallHandler = workboxSW.strategies.networkFirst({
  cacheName: 'my-api'
});

workboxSW.registerRoute(
  API_URL,
  apiCallHandler
);
// Your existing WorkboxSW code goes here.

self.addEventListener('install', event => {
  event.waitUntil(
    caches.open('my-api')
      .then(cache => cache.add(API_URL))
  );
});
Pentaho report which contains more than 7 connections are not working in pentaho DI server

Pentaho report which contains more than 7 connections are not working in pentaho DI server


By : James Gundy
Date : March 29 2020, 07:55 AM
this one helps. I am new to pentaho. Recently i created a job which generates some report. I am using JNDI connection in the report(.prpt). If I am using more than 7 connections inside a report, it will fail to generate report but it's working smoothly with reports which has lesser connections. , It was actually due to issue in data factory.
Steps to do:
Pentaho Server: Changes made in the report does not reflect in the Pentaho Server (User Console)

Pentaho Server: Changes made in the report does not reflect in the Pentaho Server (User Console)


By : user1267459
Date : March 29 2020, 07:55 AM
it fixes the issue I have found the answer. We need to open the Pentaho User Console and then
Click on Home -> Click on Administration -> Under Users & Roles, click on '+' next to Users -> Create a User and give the roles as Business Analyst (any role will work)
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