[couchdb] 01/01: Set update_lru_on_read=false as default

[wo...@apache.org]

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wohali pushed a commit to branch 796-update-lru-on-read-default
in repository https://gitbox.apache.org/repos/asf/couchdb.git

commit 335bcdbca5e3efa737e7721c552a38a027910102
Author: Joan Touzet <jo...@atypical.net>
AuthorDate: Fri Jan 19 15:22:23 2018 -0500

    Set update_lru_on_read=false as default
---
 rel/overlay/etc/default.ini    | 7 +++++--
 src/couch/src/couch_server.erl | 2 +-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/rel/overlay/etc/default.ini b/rel/overlay/etc/default.ini
index df43877..103a6eb 100644
--- a/rel/overlay/etc/default.ini
+++ b/rel/overlay/etc/default.ini
@@ -32,7 +32,6 @@ default_security = admin_local
 ; btree_chunk_size = 1279
 ; maintenance_mode = false
 ; stem_interactive_updates = true
-; update_lru_on_read = true
 ; uri_file =
 ; The speed of processing the _changes feed with doc_ids filter can be
 ; influenced directly with this setting - increase for faster processing at the
@@ -49,9 +48,13 @@ changes_doc_ids_optimization_threshold = 100
 ; applied conservatively. For example 1.0e+16 could be encoded as 1e16, so 4 used
 ; for size calculation instead of 7.
 ;max_document_size = 4294967296 ; bytes
-
+;
 ; Maximum attachment size.
 ; max_attachment_size = infinity
+;
+; Do not update the least recently used DB cache on reads, only writes
+;update_lru_on_read = false
+;
 ; The default storage engine to use when creating databases
 ; is set as a key into the [couchdb_engines] section.
 default_engine = couch
diff --git a/src/couch/src/couch_server.erl b/src/couch/src/couch_server.erl
index ff1bf9e..05af0ed 100644
--- a/src/couch/src/couch_server.erl
+++ b/src/couch/src/couch_server.erl
@@ -223,7 +223,7 @@ init([]) ->
     MaxDbsOpen = list_to_integer(
             config:get("couchdb", "max_dbs_open", integer_to_list(?MAX_DBS_OPEN))),
     UpdateLruOnRead =
-        config:get("couchdb", "update_lru_on_read", "true") =:= "true",
+        config:get("couchdb", "update_lru_on_read", "false") =:= "true",
     ok = config:listen_for_changes(?MODULE, nil),
     ok = couch_file:init_delete_dir(RootDir),
     hash_admin_passwords(),

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