set -e
export SHARDS=40
-export PARALLEL_LOADS=20 # Reduce if you have problems with OOM
+export PARALLEL_LOADS=15 # Reduce if you have problems with OOM
+export PARALLEL_MERGES=40
rm -f pgnnames.txt part-*.bin part-*.mtbl part-*.mtbl.part???? open.mtbl.new open.mtbl.part???? open.mtbl.part????.new 2>/dev/null
rm -f part-*.bin
-parallel -i -j ${PARALLEL_LOADS} bash -c 'X={}; set -x; ./binmerger part-*.mtbl.part$( printf %04d $X ) open.mtbl.part$( printf %04d $X ).new' -- $( seq 0 $(( SHARDS - 1 )) )
+parallel -i -j ${PARALLEL_MERGES} bash -c 'X={}; set -x; ./binmerger part-*.mtbl.part$( printf %04d $X ) open.mtbl.part$( printf %04d $X ).new' -- $( seq 0 $(( SHARDS - 1 )) )
for X in $( seq 0 $(( SHARDS - 1 )) ); do
mv open.mtbl.part$( printf %04d $X ).new open.mtbl.part$( printf %04d $X )