Invention Grant
- Patent Title: Read only bufferpool
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Application No.: US15545526Application Date: 2015-01-29
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Publication No.: US11100083B2Publication Date: 2021-08-24
- Inventor: Hideaki Kimura
- Applicant: Hewlett Packard Enterprise Development LP
- Applicant Address: US TX Houston
- Assignee: Hewlett Packard Enterprise Development LP
- Current Assignee: Hewlett Packard Enterprise Development LP
- Current Assignee Address: US TX Houston
- Agency: Sheppard Mullin Richter & Hampton LLP
- International Application: PCT/US2015/013608 WO 20150129
- International Announcement: WO2016/122549 WO 20160804
- Main IPC: G06F16/00
- IPC: G06F16/00 ; G06F16/23 ; G06F16/27 ; G06F16/901 ; G06F12/02 ; G06F12/06

Abstract:
Example implementations disclosed herein include techniques for a ready only bufferpool for use in local nodes of a multi-node computing system. Read only transactions executed by a processor can reference a ready only bufferpool resident in a VRAM on the same node. If the desired data page is in the bufferpool the transaction can immediately read data records from the cached data pages. If the desired data page is not in the bufferpool, then the transaction can cause a copy of a corresponding data page in a secondary memory to be installed in the bufferpool. The bufferpool can include more than one copy of a data page simultaneously to handle and prevent cache line misses. Data page are dropped from the bufferpool based on an incrementing per data page counter.
Public/Granted literature
- US20180004798A1 READ ONLY BUFFERPOOL Public/Granted day:2018-01-04
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