How to activate checkpoint?

restartFromCheckpoint but it failed. How can I activate a checkpoint situation in Giraph? Thanks Regards, Vincentius Martin

When do Giraph vertices receive their messages?

to understand it? Also, what mechanism that Giraph use to store messages before superstep S+1? Are they store it in a buffer or disk first? I still cannot find anything about this. Regards, Vincentius Martin

storeCheckpoint() in worker can be slow when a slow worker is presence

Hi all, I have a question related to my last experience using Giraph. In Giraph worker's code, I see a line like this: *getServerData().getCurrentMessageStore().writePartition(verticesOutputStream, partition.getId());* To the best of my knowledge, while executing this line, a worker writes

Place where Giraph log files are storred

Hi, Sorry if it is a basic question. I'm still using Giraph-1.0.0. How can I enable giraph metrics? Aside from some logs which are outputted to the console by mapreduce, is there any log directory that I can check to see what happened inside the process? Thanks Regards, Vincentius Martin