040000 tree 8162dc2b172244b832f16bf01009f7391d600fd9	kvstore
040000 tree 9bb91ee7c596c6f2669b859e8b5f686b8150f1ec	network-common
040000 tree d706e65d8e58dca2f5156d4d8bacaf47d51b631e	network-shuffle
040000 tree dbe4f6bd4939cbe526aad8e8ee9873eee236d176	network-yarn
040000 tree 6455194e8194f9fc44b715604f0bdb218ce5c3dc	sketch
040000 tree e8009dd07d116828b56d653b7bd76a6700488e5a	tags
040000 tree 194fcbe62b950708bf3103d99dabf6e9d1fcf14e	unsafe