Dremio not starting syddenly

anyway to clean gc as it showing allocation failure

here is logs of ps dremio

dremio@dremio-master-0:/opt/dremio$ ps -ef | grep dremio
dremio 1 0 30 19:47 ? 00:00:28 /usr/local/openjdk-8/bin/java -Djava.util.logging.config.class=org.slf4j.bridge.SLF4JBridgeHandler -Djava.library.path=/opt/dremio/lib -XX:+PrintGCDetails -XX:+PrintGCDateStamps -Ddremio.plugins.path=/opt/dremio/plugins -Xmx16384m -XX:MaxDirectMemorySize=114688m -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/var/log/dremio -Dio.netty.maxDirectMemory=0 -DMAPR_IMPALA_RA_THROTTLE -DMAPR_MAX_RA_STREAMS=400 -Dzookeeper=zk-hs:2181 -Dservices.coordinator.master.embedded-zookeeper.enabled=false -Dservices.executor.enabled=false -cp /opt/dremio/conf:/opt/dremio/jars/:/opt/dremio/jars/ext/:/opt/dremio/jars/3rdparty/*:/usr/local/openjdk-8/lib/tools.jar com.dremio.dac.daemon.DremioDaemon
dremio 525 0 0 19:48 pts/0 00:00:00 /bin/bash
dremio 530 525 0 19:49 pts/0 00:00:00 ps -ef
dremio 531 525 0 19:49 pts/0 00:00:00 grep dremio

any thoughts i am still struggling with issue not able to start

please restart zookeeper, then restart dremio

@Vikash_Singh

It looks like startup is stuck on LocalKVstore. i know you sent. snippet of the logfile. Can you please send me the entire log file? How big is your db folder?