Microsoft Security | Microsoft Graph
An API that connects multiple Microsoft services, enabling data access and automation across platforms
Graph Api calendar events performance is very slow
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(153.6, 26%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENR%3C/text%3E%3C/svg%3E)
Nirenjana Raghupathy
26
Reputation points
I’m using the below calendar API to get calendar events for a given user
GET /me/calendar/events
However I notice that by default only 10 records are returned. I’m trying to include top parameter in the url and do a callback in case nextlink has a value in the response.
I’m trying to add $top=500 to the api url. And I noticed that when top parameter is included, time taken for the response to be returned is very high. It does not matter if I use top=50 or top=500.
Without the top parameter, the response is returned in lesser than a second.
Any idea on how I can bring down the performance in this scenario?
Microsoft Security | Microsoft Graph
{count} vote
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(147.20000000000002, 27%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDO%3C/text%3E%3C/svg%3E)
Danstan Onyango 3,911 Reputation points Microsoft Employee2021-06-07T07:31:31.197+00:00 Have you tried using Graph Explorer and seen the same behavior? I do not see a similar behavior.
Also please provide the details of the SDK you are using.
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Nirenjana Raghupathy 26 Reputation points
2021-06-07T08:09:47.767+00:00 Hi Danstan,
Thanks for your reply.
Below is a screenshot of what I am trying to do:
The response is taking about 14 seconds.
And the total no of events, I have is about 330.Would you mind sharing the URL that you are using?
Thanks,
Nirenjana -
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(256, 9%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENJ%3C/text%3E%3C/svg%3E)
Nitin Jain 0 Reputation points2023-11-28T03:51:48.2266667+00:00 Hi Microsoft,
I am facing the same issue. As soon as we add top in the API the performance is very low.
Thanks,
Nitin Jain.
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