http://ubuntuforums.org/showthread.php?t=379264
On Fri, Oct 3, 2014 at 1:39 AM, Peter Zhang <[email protected]> wrote: > hello,how can I compile hama-src in eclipse?Is their any link for help? > > 2014-09-12 12:15 GMT+08:00 Edward J. Yoon <[email protected]>: > >> Yes, partitioning job partitions the input, assigns the partition file >> to proper task of graph job. GraphJobRunner.LoadVetices() method >> extracts the Vertex structure from records, and loads vertices into >> {Mem/Disk/Heap}VerticesInfo. >> >> On Fri, Sep 12, 2014 at 12:38 AM, Peter Zhang <[email protected]> >> wrote: >> > Hi, >> > Actually, e ....I want to know more about the details of the graph >> > model,especially the class GraphJobRunner. Unfortunately I have not read >> > all the source codes.I want to know weather the input record of the >> method >> > GraphJobRunner.LoadVetices() is the record in the temp files that the >> > partitioning job product after the graph is partitioned??? >> > thanks ! >> > >> > 2014-09-10 7:38 GMT+08:00 Edward J. Yoon <[email protected]>: >> > >> >> Hi, >> >> >> >> Internally, client library submits two jobs to Hama cluster: 1) >> >> partitioning BSP job 2) graph job. >> >> >> >> On Wed, Sep 10, 2014 at 1:31 AM, Peter Zhang <[email protected] >> > >> >> wrote: >> >> > Hi: >> >> > Recently, I am confused with how does the hama graph model >> work.when I >> >> > submit a hama graph job, is there a partition job starting first? And >> How >> >> > dose the class GraphJobRunner is created when the actuall graph job >> >> begins?? >> >> > >> >> > 2014-08-21 18:44 GMT+08:00 Edward J. Yoon <[email protected]>: >> >> > >> >> >> Oh.. it seems you misunderstood. The meaning of superstep is equal to >> >> >> the meaning of iteration. >> >> >> >> >> >> I was mean that the count of ITERATIONS is not equal to the count of >> >> >> SUPERSTEPS. The additional supersteps is used for vertices' value >> >> >> initialization and master aggregation. >> >> >> >> >> >> .. >> >> >> 14/08/21 19:34:24 INFO bsp.BSPJobClient: Counters: 12 >> >> >> 14/08/21 19:34:24 INFO bsp.BSPJobClient: GraphJobCounter >> >> >> 14/08/21 19:34:24 INFO bsp.BSPJobClient: ITERATIONS=30 >> >> >> 14/08/21 19:34:24 INFO bsp.BSPJobClient: INPUT_VERTICES=400 >> >> >> 14/08/21 19:34:24 INFO bsp.BSPJobClient: JobCounter >> >> >> 14/08/21 19:34:24 INFO bsp.BSPJobClient: SUPERSTEPS=60 >> >> >> 14/08/21 19:34:24 INFO bsp.BSPJobClient: LAUNCHED_TASKS=3 >> >> >> .. >> >> >> >> >> >> On Wed, Aug 20, 2014 at 11:40 PM, 张沛然 <[email protected]> >> >> wrote: >> >> >> > Hello: >> >> >> > I get confused about hama graph ,take the SSSP as example: >> >> >> > input :4 vertexs and4 edges >> >> >> > 1\t2:2\t3:3 >> >> >> > 2\t4:4 >> >> >> > 3\t4:1 >> >> >> > 4 >> >> >> > >> >> >> > I guess it will process like below: >> >> >> > superstep 0:vertex1,2,3,4 do computer() >> >> >> > that's :vertex1 sent message of value 2 to >> vertex2 >> >> >> > vertex1 sent message of value 3 to >> >> vertes3 >> >> >> > vertex1,2,3,4 voteToHalt() and get >> >> >> inactive; >> >> >> > superstep 1:only vertex 2,3 o compute() >> >> >> > that's vertex 2,3 received message and update >> >> value >> >> >> > vertex 2 sent message of value 6 to >> >> vertex4 >> >> >> > vertex 3 sent message of value 4 to >> >> vertex4 >> >> >> > vertex 2,3 voteToHalt() >> >> >> > superstep 2 :only vertex 4 do computer() >> >> >> > that's vertex4 received message and update >> value >> >> >> > then ,all the vertexs is inactive ,the processing is over! I run >> it >> >> in >> >> >> > pseudo-distributed modes . >> >> >> > 1)Is it right??? >> >> >> > 2)I think all the processing just need 1 iteration,but when I set >> the >> >> >> > maxIteration to 1,the result is not right!! It show that the >> vertex4 >> >> has >> >> >> > not update its value, I wonder know why their is no supertetp2 and >> >> when a >> >> >> > iteration is over??? >> >> >> > Thanks a lot.I just get mad...... >> >> >> >> >> >> >> >> >> >> >> >> -- >> >> >> Best Regards, Edward J. Yoon >> >> >> CEO at DataSayer Co., Ltd. >> >> >> >> >> >> >> >> >> >> >> -- >> >> Best Regards, Edward J. Yoon >> >> CEO at DataSayer Co., Ltd. >> >> >> >> >> >> -- >> Best Regards, Edward J. Yoon >> CEO at DataSayer Co., Ltd. >> -- Best Regards, Edward J. Yoon CEO at DataSayer Co., Ltd.
