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## worker configuration ``` alluxio.master.hostname=hostname alluxio.dora.client.read.location.policy.enabled=true alluxio.user.netty.data.transmission.enabled=true alluxio.user.short.circuit.enabled=false alluxio.worker.page.store.dirs=/data0/alluxio_data,/data1/alluxio_data,/data2/alluxio_data,/data3/alluxio_data alluxio.worker.page.store.sizes=3TB,3TB,3TB,3TB alluxio.worker.web.hostname=hostname alluxio.worker.web.port=10000 alluxio.worker.block.store.type=PAGE alluxio.worker.page.store.type=LOCAL alluxio.worker.page.store.page.size=1MB alluxio.dora.worker.metastore.rocksdb.dir=/data0/alluxio_meta/metastore alluxio.dora.cached.file.system.enabled=true alluxio.master.rpc.addresses=hostname:19998 alluxio.security.authentication.type=NOSASL alluxio.security.authorization.permission.enabled=false alluxio.network.ip.address.used=true alluxio.user.file.readtype.default=CACHE_PROMOTE alluxio.user.file.writetype.default=MUST_CACHE alluxio.worker.tieredstore.level0.alias=SSD alluxio.dora.client.ufs.root=/tmp ``` ## verify `fs cat`...

When is the tableDnsPath empty ? And why can this Improve performance?