Questions tagged [performance]

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4
votes
2answers
646 views

Performance issue when deleting Opportunity Line Items

I'm writing APEX REST API that creates OpportunityLineItem, Product2, Quote objects, updates Opportunity etc. based on data in JSON format received from external system. During testing I experienced ...
1
vote
0answers
22 views

Migration tool took more than the expected time to finish the deployment

Validations and deployments via migration tool to a sandbox took more than the expected time to finish the deployment. Total deployment/validation time supposed to be roughly 30 minutes and suddenly ...
1
vote
1answer
73 views

Improving Visualforce Performance

We have noticed that the initial load has a long delay but subsequent page loads are much faster. Is this some caching that is being done by salesforce internally or inside the ORg. How long is the ...
1
vote
1answer
352 views

Large delay between FLOW_BULK_ELEMENT_BEGIN flow element and FLOW_CREATE_INTERVIEW_BEGIN

We have a flow, and have noticed it has greatly increased the time it takes for a bulk (200 record) transaction to complete. We've narrowed down the delay to a 78 second delay between ...
0
votes
1answer
145 views

Query Optimisation

I currently have a function which looks like this: public void getContacts() { try { contacts = Database.query(query + ' LIMIT 15'); } catch (Exception e) { ApexPages.addMessage(new ...
1
vote
0answers
138 views

Large time gap in debug log before ENTERING_MANAGED_PKG

When viewing a debug log where the logging level was set to: APEX_CODE,FINEST;APEX_PROFILING,INFO;CALLOUT,INFO;DB,INFO;SYSTEM,DEBUG;VALIDATION,INFO;VISUALFORCE,INFO;WORKFLOW,INFO I am seeing a large ...
2
votes
1answer
390 views

Strange, slow behavior during ordering w/ REST API

I'm seeing some very bizarre SOQL performance when ordering by Id across several Sobjects. In this, they seem to take a very long time to select even just Ids when asked to sort by Id. Remove the ...
4
votes
2answers
64 views

Is “System.QueryException: non-selective query” Only Thrown From Triggers

Is it true that "System.QueryException: non-selective query" is only ever thrown from a trigger? If so, where is this documented and what happens when an identical query (one that throws "System....
4
votes
1answer
562 views

QueryException: Non-selective query against large object type (SOSL)

The following SOSL is in an Account trigger in a managed package: /* Trigger is on API 27.0 */ String acctsNamesOrd = 'PARKER/VANGUARD MGT'; Map<Integer, String> acctsNames = new Map<...
2
votes
1answer
208 views

I want to improve Salesforce1 Mobile performance

I am having problems with the performance on Salesforce1 Mobile specifically the loading times of visualforce pages, I have tested those visualforce pages independently using the developer console and ...
6
votes
2answers
387 views

Batch Apex and performance

I have a batch class that converts thousands of Visualforce pages to PDFs and stores the PDF files into a folder (in documents). The batch seems to work fine, but the process will take hours to ...
1
vote
1answer
122 views

Comparing Strings vs. Boolean Speed

We're looking to track where certain records were created (e.g. from a User within Salesforce, from our website etc...). We're wondering what is the best and least CPU intensive way of querying these ...
8
votes
1answer
789 views

Expense of using System.debug

I've seen code on an inherited project output debug info while iterating large collections of objects. System.debug(Logginglevel.DEBUG, 'sQuery=' + sQuery); If the system logging level is set ...
2
votes
0answers
274 views

What is selectivity threshold?

In the example mentioned here(Force.com Query Optimizer) What happens for the below scenario: Total number of Records in Account table : 2,500,000 And all the records are created on Jan 1st 2015. ...
9
votes
1answer
5k views

Best practice to monitor Apex function execution time/performance?

We have been running on Salesforce platform for just over 6 months with considerate amount of customizations. The data volume has been growing and features have been added into existing codebase ...
1
vote
2answers
131 views

Possible to include different js files depending on the environment?

What's the best practice of including javascritps in salesforce? I want to minified and concat all js files used in our app. When we are developing we want to use js files as separte files but on ...
1
vote
1answer
32 views

Eclipse Save-to-Server Performance since Summer 15

We've been experiencing significant Save to Server issues from Eclipse. We filed a case, and Tier 3 made a change to our platform schema, but the problems continue. Is anyone else seeing severely ...
1
vote
1answer
117 views

Custom soql return too many rows

What is my best option to return the results of a query where the soql query by default returns too many rows (>50k)? From my understanding, SELECT COUNT() still cannot return a result >50k, but my ...
9
votes
2answers
3k views

What is the Function of aura:dependency?

I came across something that vastly improved the performance of the Lightning application that I am building. However, I am not sure exactly why. When my application initializes, I am calling a doInit ...
0
votes
2answers
32 views

Can I reduce the number of containers and (seemingly) redundant loops when querying parents and grandparents?

tl;dr - I'm retrieving fields on an object, the object's parent, and the parent's parent in a trigger - is there any way to make my code use less than 5 containers and remain bulkified? I have an ...
7
votes
1answer
2k views

Suggestion to avoid for loop inside a for loop

I'm starting out new in APEX. I created below method to call inside a trigger. I know my code below is not efficient calling loop inside a loop to avoid SOQL. I looked online for a day before posting ...
4
votes
1answer
245 views

Formulas in workflows & validation - lazy or eager evaluated?

I tried to run some tests in developer edition and didn't see great difference so I am not sure. Basically I have a case that CPU time is leaking somewhere and I suspect it's validation rules or ...
34
votes
2answers
309 views

Which kind of issues will be shown at trust.salesforce.com and which issues will be omited?

In the context of a different question, we encountered a deployment performance degradation on EU5 of between 6000% to 10000% using Metadata-API. This means that work (saving a single APEX file to the ...
7
votes
1answer
217 views

Syntactic vs Performance difference on object creation?

Is there any performance difference between: Contact con = new Contact(); con.Id = conId; con.AccountRoles__c = newRole; ... and... Contact con = new Contact( Id = conId, ...
5
votes
2answers
222 views

EU5 not usable for development: Metadata-API deployment on EU5 unresponsive

Today I encounter a severe performance degradation on Metadata-API deployment speed on EU5. I'm waiting > 950 seconds (sometimes > 1500 seconds), when it usually deploys in < 25 seconds... This is ...
1
vote
1answer
228 views

What are “tid” and “len” in Visual Force Remoting actions?

I have no knowledge of the SalesForce1 platform, but am required to performance test a few UI pages/endpoints of a customer applications using a JMeter script. SO far I have been able to invoke most ...
20
votes
0answers
416 views

Premature optimization is the…cure of all CPU timeouts? [closed]

According to Donald Knuth actually "is the root of all evil". But this doesn't seem to hold true on the Force.com platform and its CPU time Limit. After watching Paul Battisson's Faster Loops ...
2
votes
2answers
96 views

Need help optimizing a SOQL query

I am writing a simple trigger to tag lead duplicates based on two different fields, Email and our internal Lead ID (which we keep consisted between our own server DB and salesforce via integration). ...
12
votes
3answers
378 views

Metadata+ToolingAPI access on CS14 (and other pods) extremly slow & No Support?

We are working on CS14. Starting last Friday we are suffering form a extreme performance loss on CS14. Loading and Saving Metadata via Tooling/Metadata-API is very slow. Operations which usually ...
17
votes
3answers
3k views

Are sandboxes slower than production Orgs?

I've noticed quite often that sandbox instances are showing a slower performance during Metadata API and Tooling API access. Today this happened on cs14. The force.com IDE froze completely during a "...
18
votes
4answers
13k views

Efficiency of List.size() > 0 vs. !List.isEmpty()

Anyone have any data to support a claim for which of the following two expressions is more efficient (meaning faster)? The use case is determining whether a List is empty to inform an auxiliary method ...
0
votes
2answers
162 views

Need help in improving SOQL performance

I have a SOQL query as below (where clause only). This query is not performing upto the mark, may be because of like operator. How can I substitute this :- Where ( abc__c = 'chris' OR xyz__c = '...
1
vote
1answer
765 views

Why is my report taking forever to run?

When working with a very large dataset of Accounts, e.g., 10's of millions of records, I wanted to create a report to return a subsets of records, i.e., records filtered by country. I created a ...
3
votes
2answers
1k views

Track number of API calls for an application

I'm working on an application, which uses SOAP, REST and Bulk API to integrate with Salesforce. Is there any API call in Salesforce which enables me to track how much API calls did I consume in a ...
6
votes
2answers
2k views

SFDC European Data Center experiences

I see a new EU5 instance on trust.salesforce.com which has a 'LON' hovertext over it, assumingly referring to London. I can imagine some companies might be interested in having their data hosted in ...
2
votes
1answer
89 views

No response to compile request in MavensMate this morning

This morning when compiling classes to server in one of my sandboxes, the files are "spinning" forever in MM's status window. But if I open the classes list in the browser, I can see that the ...
6
votes
2answers
828 views

Best practises for speeding up Apex Batch class

My previous question about slow Batches probably was to focused on a specific problem, so I try it again much broader. What are general rules of thumb to make a slow Batch faster? Although I added 2 ...
6
votes
2answers
1k views

Only query Id field in start() to speed up Apex Batch

I am looking for ways to speed up a complex Batch job which takes days to run in a specific customer org. This Batch is snapshoting records of arbitrary objects into denormalized (as a single records ...
4
votes
1answer
317 views

Reports API - Slow Down

Team, I wrote the below class on Thursday and it was working like a dream (1 - 2 seconds to load the page). Now, on Saturday when there have been no changes to the code since Thursday it take 15 - ...
3
votes
3answers
219 views

Do big classes reduce performance?

I have a big (right now it's 1,4k lines) 'toolbox' class. I have a lot of static methods and wrappers there which are used in various number of services or manager/handler classes. Does anyone notice ...
1
vote
0answers
44 views

reduced latency and improved transaction speed since new data centre opens

I wonder if there is a direct reduction in transaction time for EU based customers as a result of the new data centre that opened in the UK last week (w/c 27th Oct '14), we have noticed a reduction in ...
2
votes
2answers
307 views

Performance impact of relationship queries in batch start

For a new batch process I have a choice between immediately selecting relevant records in the start function (but using several [field]__r comparisons as they are junction objects being queried) or ...
3
votes
2answers
293 views

What is the importance of Heap size limit?

I don't understand the importance of heap size limit of 6MB. So could someone help me understand the heap size limit?
3
votes
3answers
2k views

Retrieving more than 100.000 records using select statement

I have a custom object called equipment___c with more than 100.000 records, and also related to product object. To get product codes that are in equipment object, i used the following query: select ...
2
votes
0answers
80 views

Having a Visualforce page inside of a standard page results in duplicate main.js

I have a custom Visualforce page rendered inside of a standard page Opportunity in one of my layouts. I was researching some performance issues when I noticed that 2 main.js files are travelling down ...
3
votes
2answers
212 views

Any reason not to monitor ALL event types (operations) in triggers

Is there any drawback on having defined all possible Trigger events / operation before x, after x, before y, after y in the header of a trigger even if I don't use them in my code? As most decent ...
0
votes
1answer
292 views

Check if the value was changed in the original object in a trigger

I'm writing a rollup trigger to update a field at account level based on some criteria. Let's say there's a boolean field with true/ false values. Should I check if the value has changed at original ...
1
vote
1answer
64 views

Performance Test SF on IPad

i need your help and support on an important topic. We have build on SF a new sales solution which will go live within the next months. Every morning I have a data synchronisation on the IPad. So data ...
4
votes
0answers
506 views

How to load Chatter with Javascript

Question How can I load chatter (chatter:feedWithFollowers) dynamically (using javascript) in the browser? Motivation I'm working on a Visualforce page that should load as fast as possible and the ...
3
votes
1answer
73 views

VF Performance Issue

Salesforce recently notified us that "a VF is consuming high levels of DB resources due to inefficient SOQL in your VF controller." I believe I have identified the issue down to this query: ...