"the information detailing the full set of major combinations of collectors you can use isn't available in one place anywhere else, so I've put together a reference article that lists all the combinations"
"Common memory bottleneck issues include: exceeding hardware memory and overflowing to disk; subsystems which are not memory limited using up too much memory; memory fragmentation; cache buffers filling up; syncing to disk; hitting open handle limits (sockets, files, pipes, share memory, ...); not caching; out-of-memory issues; disk thrashing from too much memory; virtual machine garbage collections from badly configured or over stressed memory; C & equiv mallocs taking a long time from memory and table fragmentation and management overheads"
