diff options
author | Adam Kocoloski <adam@cloudant.com> | 2010-08-18 11:51:03 -0400 |
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committer | Adam Kocoloski <adam@cloudant.com> | 2010-08-18 14:24:57 -0400 |
commit | 7393d62b7b630bee50f609d0ae8125d33f7cda2b (patch) | |
tree | 754e9ab17a586319c562de488e60056feff60bb8 /apps/couch/src/couch_secondary_sup.erl | |
parent | c0cb2625f25a2b51485c164bea1d8822f449ce14 (diff) |
Grab bag of Cloudant patches to couch OTP application
- Removal of couch_db and couch_ref_counter processes. Active DBs are
accessible through a protected ets table owned by couch_server.
- #full_doc_info{} in by_id and by_seq trees for faster compaction at the
expense of more disk usage afterwards. Proposed as COUCHDB-738 but not
accepted upstream.
- Replication via distributed Erlang.
- Better hot upgrade support (uses exported functions much more often).
- Configurable btree chunk sizes allow for larger (but still bounded)
reductions.
- Shorter names for btree fields in #db{} and #db_header{}.
- couch_view_group does not keep a reference to the #db{}.
- Terms are stored compressed (again).
Diffstat (limited to 'apps/couch/src/couch_secondary_sup.erl')
-rw-r--r-- | apps/couch/src/couch_secondary_sup.erl | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/apps/couch/src/couch_secondary_sup.erl b/apps/couch/src/couch_secondary_sup.erl new file mode 100644 index 00000000..8ccbd799 --- /dev/null +++ b/apps/couch/src/couch_secondary_sup.erl @@ -0,0 +1,35 @@ +-module(couch_secondary_sup). +-behaviour(supervisor). +-export([init/1, start_link/0]). + +start_link() -> + supervisor:start_link({local,couch_secondary_services}, ?MODULE, []). +init([]) -> + SecondarySupervisors = [ + {couch_db_update_notifier_sup, + {couch_db_update_notifier_sup, start_link, []}, + permanent, + infinity, + supervisor, + [couch_db_update_notifier_sup]}, + {couch_metrics_event_manager, + {gen_event, start_link, [{local, couch_metrics_event_manager}]}, + permanent, + brutal_kill, + worker, + dynamic} + ], + Children = SecondarySupervisors ++ [ + begin + {ok, {Module, Fun, Args}} = couch_util:parse_term(SpecStr), + + {list_to_atom(Name), + {Module, Fun, Args}, + permanent, + brutal_kill, + worker, + [Module]} + end + || {Name, SpecStr} + <- couch_config:get("daemons"), SpecStr /= ""], + {ok, {{one_for_one, 10, 3600}, Children}}. |