ChunkIO(Clustered Reads/Writes)

We're just having a db4o global conference in Berlin. Here's what I have suggested before and just desided to work on this year, ChunkIO(Clustered Reads/Writes). - Who is the target? device guys - What is the purpose of chunkIO? By… more »
Posted under Performance, db4o on 03.12.2008 • Send feedback » • PermalinkPermalink

fdatasync()????????????????

???????????????????????????????????????????????????????db4o??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ???????????????????????????????????????????????????????… more »
Posted under db4o, ??? on 03.4.2008 • Send feedback » • PermalinkPermalink

fdatasync() makes db4o 10-20% faster

I have investigated how much fdatasync() makes db4o faster on Linux. It showed 10-20% faster performance in commit. This benchmarking was done on Linux2.6, write cache off, ext3 file system, with db4o 6.4. fdatasync() adapter ---------- 3… more »
Posted under db4o on 03.3.2008 • Send feedback » • PermalinkPermalink
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