On Mon, May 25, 2015 at 7:18 AM, Vladimir Ozerov <[email protected]> wrote:
> Koert, > > IGFS stores data in-memory. When using IGFS in pure in-memory mode, no > failover exists and data can be lost in case one of data nodes leaves the > grid. > When secondary file system is used (e.g. HDFS), then Ignite is able to > transparently re-read lost data chunks from the underlying file system. > Is this factually correct? Why can't I configure backups, just like with regular data grids? > > Vladimir. > > On Mon, May 25, 2015 at 1:44 PM, Konstantin Boudnik <[email protected]> > wrote: > > > Can anyone comment on this? Seems like an interesting topic, for sure. > > > > Thanks, > > Cos > > > > On Sun, May 17, 2015 at 12:49AM, Koert Kuipers wrote: > > > "One of the unique capabilities of Ignite is a file system interface to > > its > > > in-memory data called Ignite File System (IGFS). IGFS delivers similar > > > functionality to Hadoop HDFS, but only in memory. In fact, IGFS is at > the > > > core of Ignite’s In-Memory Hadoop Accelerator." > > > > > > if IGFS delivers functionality similar to HDFD, then fault tolerance > > would > > > be one of the most important features. yet i cannot find any mention of > > it. > > > can someone explain? thanks! > > >
