Number: 827

Date: 24-Apr-84 17':01':02

Submitter: Sannella.PA

Source: Kaplan.pa

Subject: Want array space to expand into MDS

Assigned To: 

Attn: 

Status: Declined

In/By: 

Problem Type: Performance

Impact: Moderate

Difficulty: Hard

Frequency: Intermittent

Priority: Perhaps

System: Language Support

Subsystem: Storage Formats/Mgt

Machine: 

Disk: 

Lisp Version: 

Source Files: 

Microcode Version: 

Memory Size: 

File Server: 

Server Software Version: 

Disposition: [I think this is a *bad* idea -- rather, array space should extend beyond what the vm hardware will do -- declined 29 Jun 84 by LMM]

Description: '
Date': 18 Apr 84 21':53 PST'
From': Kaplan.pa'
Subject': Lisp': Arrays space doesn''t grow into MDS'
To': LispSupport.pa'
cc': Kaplan.pa'
'
Lisp System Date': 18-Apr-84 20':52':50'
Machine': Dorado (Ahwahnee)'
Microcode version': 24,4'
Memory size': 10000'
Frequency': Intermittent'
Impact': Moderate'
'
Attn':  Masinter, Vanmelle, Kaplan.'
'
We should fix it so that when array space is exhausted, a block of MDS pages can be put on the array free list.'


Workaround: 

Test Case: 

Edit-By: masinter

Edit-Date: 30-Jun-84 00':08':45