in addition to 16GB RAM I create 28GB swap and allowed nepomuk to work few weeks( also i set ulimit to 12Gb in order to don't freeze my system) - look like it fix itself...
in addition to 16GB RAM I create 28GB swap and allowed nepomuk to work few weeks( also i set ulimit to 12Gb in order to don't freeze my system) - look like it fix itself...