HDC图驻留在一台HDC(高密度计算)服务器的内存中,包含从一个图加载的全部或部分数据,这些数据物理存储在一台或多台Shard服务器上。
将当前图全部加载到hdc-server-1
上并命名为hdcGraph
:
CREATE HDC GRAPH hdcGraph ON "hdc-server-1" OPTIONS {
nodes: {"*": ["*"]},
edges: {"*": ["*"]},
direction: "undirected",
load_id: true,
update: "static",
query: "query",
default: false
})
hdc.graph.create("hdcGraph", {
nodes: {"*": ["*"]},
edges: {"*": ["*"]},
direction: "undirected",
load_id: true,
update: "static",
query: "query",
default: true
}).to("hdc-server-1")
将当前图加载到hdc-server-1
上并命名为hdcGraph_1
,包括account
和movie
点的指定属性,rate
入方向边,且不加载点的_id
:
CREATE HDC GRAPH hdcGraph_1 ON "hdc-server-1" OPTIONS {
nodes: {
"account": ["name", "gender"],
"movie": ["name", "year"]
},
edges: {"rate": ["*"]},
direction: "in",
load_id: false,
update: "static",
query: "query",
default: false
})
hdc.graph.create("hdcGraph_1", {
nodes: {
"account": ["name", "gender"],
"movie": ["name", "year"]
},
edges: {"*": ["*"]},
direction: "in",
load_id: false,
update: "static",
query: "query",
default: false
}).to("hdc-server-1")