Hi,
Which version of H2 do you use?
Just the wakeup every 50 milliseconds should not use 5% CPU. 50 ms is not
high frequency; high frequency would be every millisecond or two.
Could you get a few full thread dumps during the 5% CPU usage (jstack -l
pid threadDumps.txt; about 10 times)? I guess
Hi,
I think a regular (b tree) index is enough for your case. What queries do
you use?
In addition to the default MVMap (multi-version map), there is a map that
supports concurrent write operations, and a multi-version R-tree map
implementation for spatial operations.
That's a documentation
Hi, I was considering mvstore for time series data on a mobile device.
- My usage would be high frequency writes (sensor data) and large batch
reads of ranges.
- The schema would be key=timestamp, value=data from multiple sensors
What is unclear in my mind, is whether I should attempt
Unfortunately, H2 does not treat (1) as array.
The same problem occurs when casting an integer to array:
cast(1 as ARRAY) results in a single element array containing the String
'1'.
From: IanP i.pri...@surveybe.com
To: h2-database@googlegroups.com
Date: 2015-07-10 16:02
Subject:
