# perf: key 120000000 / takes longer than I expect

**URL:** <https://forum.kx.com/t/perf-key-120000000-takes-longer-than-i-expect/9094>\
**Category:** Community Support\
**Tags:** kdb-and-q\
**Created:** [September 23, 2014, 6:50pm UTC](https://forum.kx.com/t/perf-key-120000000-takes-longer-than-i-expect/9094 "2014-09-23T18:50:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ag12](https://avatars.discourse-cdn.com/v4/letter/a/ecae2f/32.png) [@ag12](https://forum.kx.com/u/ag12)\
**Post date:** [September 23, 2014, 6:50pm UTC](https://forum.kx.com/t/perf-key-120000000-takes-longer-than-i-expect/9094/1 "2014-09-23T18:50:00Z")

</div>

C:\q\>c:\q\w32\q.exe -c 80 120

KDB+ 3.2 2014.09.21 Copyright (C) 1993-2014 Kx Systems

w32/ 4()core 3783MB xxx xxx 10.254.78.39 NONEXPIRE

q)\t key 120000000

994

q)\t a:key 120000000

456

q)\t key 120000000

9304

/ what am I missing?

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<div class="post-metadata">

**Author:** ![charlie1](https://avatars.discourse-cdn.com/v4/letter/c/ec9cab/32.png) [@charlie1](https://forum.kx.com/u/charlie1)\
**Post date:** [September 24, 2014, 7:10pm UTC](https://forum.kx.com/t/perf-key-120000000-takes-longer-than-i-expect/9094/2 "2014-09-24T19:10:00Z")

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maybe insufficient readily available memory (windows swapping stuff out to satisfy this request) ?  
I get

q)\t key 120000000

605

q)\t a:key 120000000

260

q)\t key 120000000

611

q).Q.w

used| 1073860560

heap| 2214592512