diff options
Diffstat (limited to 'lib/dns/mapapi')
| -rw-r--r-- | lib/dns/mapapi | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/dns/mapapi b/lib/dns/mapapi new file mode 100644 index 0000000..1b502d3 --- /dev/null +++ b/lib/dns/mapapi @@ -0,0 +1,16 @@ +# This value should be increased whenever changing the structure of +# any object that will appear in a type 'map' master file (which +# contains a working memory image of an RBT database), as loading +# an incorrect memory image produces an inconsistent and probably +# nonfunctional database. These structures include but are not +# necessarily limited to dns_masterrawheader, rbtdb_file_header, +# rbt_file_header, dns_rbtdb, dns_rbt, dns_rbtnode, rdatasetheader. +# +# Err on the side of caution: if anything in the RBTDB is changed, +# bump the value. Making map files unreadable protects the system +# from instability; it's a feature not a bug. +# +# Whenever releasing a new major release of BIND9, set this value +# back to 1.0 when releasing the first alpha. Map files are *never* +# compatible across major releases. +MAPAPI=3.0 |