# Is anyone aware of a size limitation on hash keys?

**URL:** <https://www.ruby-forum.com/t/is-anyone-aware-of-a-size-limitation-on-hash-keys/91517>\
**Category:** Rails\
**Created:** [April 10, 2007, 1:58am UTC](https://www.ruby-forum.com/t/is-anyone-aware-of-a-size-limitation-on-hash-keys/91517 "2007-04-10T01:58:10Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![marko](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/dbc845/32.png) [@marko](https://www.ruby-forum.com/u/marko)\
**Post date:** [April 10, 2007, 1:58am UTC](https://www.ruby-forum.com/t/is-anyone-aware-of-a-size-limitation-on-hash-keys/91517/1 "2007-04-10T01:58:10Z")

</div>

We have a hash where the value is blank, but the key is huge… Is  
there reason to expect Rails \> 1.1.6 to choke on this (maybe due to  
REST or something) ?

“\<rma\_request\>\n\t PostTestResult\n\t  
\n 1\n \<!  
[CDATA[HEADER\_START\r\nTest Station: Station-1\r\nOperator: joe\r  
\nTest Program Vers: 1.73\r\nScript File: xxxxx\_00\_xx2000\_R1A.TXT\r  
\nScript Rev: 1.00, 03/12/07\r\nTest Date: 03/16/07 11:07:46\r\nUnit  
Serial Number: xxxxx\*\*\*xxxxxx170101\r\nPOWER-UP -  
SSID,----,----,Pass  
\r\n\r\nTEST\_DATA\_END]]\>\n \n\</rma\_request\>”=\>""