On Thu, Nov 1, 2012 at 4:34 AM, Kristopher Kane <[email protected]>wrote:
> In the manual, it is stated that a write is sent to multiple loggers, > written to the wa log and key/value pairs stored in a memtable and an > index. > > Since the write hits several servers for resiliency, does each of the > servers that receives the write place the same data in memory or do > they each place a different portion in memory such that a read could > span multiple servers for a performance gain? > Reads only use a single server, so only the tablet server hosting the tablet puts the data in memory. On other machines it is just logged to disk. Billie > > Thanks, > > -Kris >
