Hi Gerd
just did a small map job but on the console there is no print about
number of max jobs. Is there a special log flag to get this print out ?
What i've seen in the task manager while building the map, all 8 cpu's
are used, but i don't know anything about the number of jobs ...
Am 05.02.2020 um 21:35 schrieb Gerd Petermann:
Hi Manfred,
mkgmap contains code to estimate a suitable value for max-jobs if this
parameter isn't set. This code fails and the result is that it believes that a
first thread needed all available memory. This doesn't happen when the -Xms
parameter in my sample call is removed, and it also doesn't happen with JRE 1.8
(both from OpenJDK and Oracle). I've not yet started to look at the details
returned in class java.lang.management.MemoryPoolMXBean
Gerd
________________________________________
Von: mkgmap-dev <[email protected]> im Auftrag von DD8KQ
<[email protected]>
Gesendet: Mittwoch, 5. Februar 2020 21:16
An: [email protected]
Betreff: Re: [mkgmap-dev] Error in memory calculation
Hi Gerd
i'm not sure what you are looking for. In my build environment i'm using
java 1.8.0_241 (64 bit) and as my laptop have 32 Gb of memory availiable
my command line to build is like this :
java -Xmx30000m -XX:-UseGCOverheadLimit -ea -jar
-Dlog.config=logging.properties "c:\Program Files
(x86)\KartenTools\mkgmap\mkgmap.jar" ....
and depending on which map i want to build, the occupied memory runs up
nearly to 30Gb
Am 05.02.2020 um 14:05 schrieb Ticker Berkin:
Hi Gerd
I don't have a 64bit environment or that much memory. In my normal
environment, I get:
$ java -Xms1500M -Xmx1540M -jar ../mkgmap.trunk/mkgmap.jar \
dummy.osm dummy.osm dummy.osm
Time started: Wed Feb 05 12:56:28 GMT 2020
Setting max-jobs to 4
Number of MapFailedExceptions: 0
Number of ExitExceptions: 0
Time finished: Wed Feb 05 12:56:29 GMT 2020
Total time taken: 1 second
-Xmx1540M is the maximum value that allows Java to start up on my
machine.
With a newer version I loaded in October, but it didn't have any
obvious advantages:
$ /opt/jre1.8.0_231/bin/java -Xms1500M -Xmx1540M \
-jar ../mkgmap.trunk/mkgmap.jar \
dummy.osm dummy.osm dummy.osm
Time started: Wed Feb 05 12:58:29 GMT 2020
Setting max-jobs to 4
Number of MapFailedExceptions: 0
Number of ExitExceptions: 0
Time finished: Wed Feb 05 12:58:30 GMT 2020
Total time taken: 1 second
Ticker
On Fri, 2020-01-31 at 16:15 +0000, Gerd Petermann wrote:
please try this command with openjdk 11 or 13 64Bit:
java -Xms4G -Xmx10G -jar mkgmap.jar f:\osm\dummy.osm f:\osm\dummy.osm
f:\osm\dummy.osm
This is what I get:
Time started: Fri Jan 31 17:12:53 CET 2020
Setting max-jobs to 1
Number of MapFailedExceptions: 0
To reduce the run time, consider increasing the amnount of memory
available for use by mkgmap by using the Java -Xmx flag to set the
memory to more than 41000 MB, providing this is less than the amount
of physical memory installed.
Number of ExitExceptions: 0
Time finished: Fri Jan 31 17:12:54 CET 2020
Total time taken: 1 second
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e-mail [email protected] [email protected]
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