NOTE: You are looking at documentation for an older release. For the latest information, see the current release documentation.
Continuing from the previous point, to
mmap effectively, Elasticsearch also requires the ability to
create many memory-mapped areas. The maximum map count check checks that
the kernel allows a process to have at least 262,144 memory-mapped areas
and is enforced on Linux only. To pass the maximum map count check, you
sysctl to be at least
Alternatively, the maximum map count check is only needed if you are using
hybridfs as the store type for your
indices. If you do not allow the use of
mmap then this
bootstrap check will not be enforced.