Re: [HACKERS][PATCH] Applying PMDK to WAL operations for persistentmemory - Mailing list pgsql-hackers

From Peter Eisentraut
Subject Re: [HACKERS][PATCH] Applying PMDK to WAL operations for persistentmemory
Date
Msg-id a8ab2ad1-8de5-7e12-9205-1e108f388d8f@2ndquadrant.com
Whole thread Raw
In response to RE: [HACKERS][PATCH] Applying PMDK to WAL operations for persistent memory  ("Takashi Menjo" <menjo.takashi@lab.ntt.co.jp>)
List pgsql-hackers
On 25/01/2019 09:52, Takashi Menjo wrote:
> Heikki Linnakangas wrote:
>> To re-iterate what I said earlier in this thread, I think the next step 
>> here is to write a patch that modifies xlog.c to use plain old 
>> mmap()/msync() to memory-map the WAL files, to replace the WAL buffers.
> Sorry but my new patchset still uses PMDK, because PMDK is supported on
> Linux 
> _and Windows_, and I think someone may want to test this patchset on
> Windows...

When you manage the WAL (or perhaps in the future relation files)
through PMDK, is there still a file system view of it somewhere, for
browsing, debugging, and for monitoring tools?

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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