> Feel free to do that. 200kB is well below this list's limits. (I'm not > sure how easy it is to open .epsf files in today's systems, but .jpg or > other raster image formats are pretty common.) Thanks for your comment.
Please find two result graphs (for sync and async commit cases) in .jpg format. I think it is obvious that performance dips were mitigated in both magnitude and frequency by introducing the partitioned checkpointing. (In passing) one correction for my previous email. > Storage: raid1 of 4 HDs (write back assumed using BBU) for $PGDATA/pg_xlog > raid1 of 2 SSDs for $PGDATA (other than pg_xlog) 'raid1' is wrong and 'raid0' is correct. -- Takashi Horikawa NEC Corporation Knowledge Discovery Research Laboratories > -----Original Message----- > From: Alvaro Herrera [mailto:pgsql-hackers-ow...@postgresql.org] > Sent: Friday, September 11, 2015 12:03 AM > To: Horikawa Takashi(堀川 隆) > Subject: Re: [HACKERS] Partitioned checkpointing > > Takashi Horikawa wrote: > > > # Since I'm not sure whether it is OK to send an email to this mailing > > with attaching some files other than patch, I refrain now from > > attaching raw results (200K bytes of text/case) and result graphs in > > .jpg or .epsf format illustrating the throughput variations to this > > email. If it is OK, I'm pleased to show the results in those formats. > > Feel free to do that. 200kB is well below this list's limits. (I'm not > sure how easy it is to open .epsf files in today's systems, but .jpg or > other raster image formats are pretty common.) > > -- > Álvaro Herrera
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