It seems that it's not possible to attach file so here is the log and after
the test case
storing 1000000
count stored : 1000000
stored 1000000
storing 2000000
count stored : 2000000
stored 2000000
storing 3000000
count stored : 3000000
stored 3000000
storing 4000000
count stored : 4000000
stored 4000000
storing 5000000
count stored : 5000000
stored 5000000
storing 6000000
count stored : 6000000
stored 6000000
storing 7000000
count stored : 7000000
stored 7000000
storing 8000000
count stored : 7999999
stored 8000000
storing 9000000
count stored : 9000000
stored 9000000
storing 10000000
count stored : 10000000
stored 10000000
storing 11000000
count stored : 11000000
stored 11000000
storing 12000000
count stored : 12000000
stored 12000000
storing 13000000
Exception in thread "main" java.lang.IllegalArgumentException: Negative
position
at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:688)
at org.h2.store.fs.FileNio.write(FilePathNio.java:71)
at
org.h2.mvstore.cache.FilePathCache$FileCache.write(FilePathCache.java:112)
at org.h2.mvstore.DataUtils.writeFully(DataUtils.java:346)
at org.h2.mvstore.MVStore.store(MVStore.java:930)
at org.h2.mvstore.MVStore.store(MVStore.java:757)
at com.orecockpit.SimpleMainForTest.main(SimpleMainForTest.java:47)
Test case :
import java.io.File;
import org.h2.mvstore.MVMap;
import org.h2.mvstore.MVStore;
public class SimpleMainForTest {
public static void main(String [] args) {
String storageFile = "/tmp/storeFile";
File killIt = new File(storageFile);
killIt.delete();
MVStore store = new MVStore.Builder().
cacheSize(800).
fileName(storageFile).
writeBufferSize(0).
writeDelay(-1).
open();
MVMap<String,String> map = store.openMap("test");
int totalWrite = 15000000;
int lineStored = 0;
while(lineStored<=totalWrite) {
lineStored++;
String actualKey = lineStored+" just for length
hhhhhhhhhhhhhhhhh"+lineStored;
String value = "Just a a string that is kinda longgggggggggggg
but not too much AAAAAAAAAAAAAAAAAAAAA hhhhhhhhhhhhhhhhhh"+lineStored;
if (map.containsKey(actualKey))
System.out.println("key exists");
map.put(actualKey,value);
if (lineStored%1000000== 0) {
System.out.println("storing "+lineStored);
store.store();
System.out.println("count stored : "+map.size());
System.out.println("stored "+lineStored);
}
}
store.store();
System.out.println("count stored : "+map.size());
store.close();
}
}
On Sunday, March 24, 2013 9:41:52 AM UTC-7, Igor castang wrote:
>
> Hello,
>
> first thank you all for coding and making H2 what it is : an awesome tool.
>
> I have been playing with the new MVStore a bit and I think I found an
> issue.
>
> I am trying to insert 15 000 000 records (string,string) into a map and
> after around 13 000 000 values the MVStore throws an exception (see attach
> test case and log)
> The store file get to around 2.2gb
>
> Am I doing something wrong ?
>
> I am using
> H2 1.3.71 / Xmx3000M / java 1.7 / linux
>
>
> thanks
>
>
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