Normally when optimize throws this exception, either it includes a
"caused by" in the exception, or, you should have seen a stack trace
from a merge thread printed to your stderr.
One quick thing to check is whether you have enough disk space to
complete the optimize. It looks like that was your final merge, which
is the biggest, so you'll need ~1X the size of your index in free
space. EG if your index is 10 GB you need 10 GB of free disk space
before attempting optimize.
Finally, you can switch temporarily to SerialMergeScheduler and then
run your optimize, eg:
writer.setMergeScheduler(new SerialMergeScheduler());
writer.optimize();
Mike
sandyg wrote:
Hi ALL ,
This is the exception raised when when am indexing the records (I
have 10
million records and after indexing 4 million record i got this
exception)
java.io.IOException: background merge hit exception: _8n:c7759352
_8o:c57658
_8p:c55810 into _8q [optimize]
please give me the solution.
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