[Xen-API] [PATCH 4 of 7] CA-34933: gc intrapool sessions independently of normal sessions

[Marcus Granado <marcus.granado@xxxxxxxxxx>]

 ocaml/xapi/db_gc.ml |  19 ++++++++++++++-----
 1 files changed, 14 insertions(+), 5 deletions(-)


# HG changeset patch
# User Marcus Granado <marcus.granado@xxxxxxxxxx>
# Date 1274449016 -3600
# Node ID 73391140afa5c39e819adcac880d385ca7b1a14c
# Parent  3678824a34447601d81a115c6e83b8e7b2b06c99
CA-34933: gc intrapool sessions independently of normal sessions

Signed-off-by: Marcus Granado <marcus.granado@xxxxxxxxxxxxx>

diff -r 3678824a3444 -r 73391140afa5 ocaml/xapi/db_gc.ml
--- a/ocaml/xapi/db_gc.ml
+++ b/ocaml/xapi/db_gc.ml
@@ -206,10 +206,8 @@
 let task_status_is_completed task_status =
     (task_status=`success) || (task_status=`failure) || 
(task_status=`cancelled)
 
-let timeout_sessions ~__context =
-  let all_sessions = Db.Session.get_internal_records_where ~__context 
~expr:Db_filter_types.True in
-  let not_intrapool_sessions = List.filter (fun (_, y) -> not 
y.Db_actions.session_pool) all_sessions in
-  let unused_sessions = List.filter (fun (_, y) -> List.for_all (fun t -> 
task_status_is_completed (Db.Task.get_status ~__context ~self:t)) 
y.Db_actions.session_tasks) not_intrapool_sessions in
+let timeout_sessions_common ~__context sessions =
+  let unused_sessions = List.filter (fun (_, y) -> List.for_all (fun t -> 
task_status_is_completed (Db.Task.get_status ~__context ~self:t)) 
y.Db_actions.session_tasks) sessions in
   let disposable_sessions = unused_sessions in
   (* Only keep a list of (ref, last_active, uuid) *)
   let disposable_sessions = List.map (fun (x, y) -> x, Date.to_float 
y.Db_actions.session_last_active, y.Db_actions.session_uuid) 
disposable_sessions in
@@ -231,10 +229,21 @@
         ) sessions in
   (* Only the 'lucky' survive: the 'old' and 'unlucky' are destroyed *)
   if unlucky <> [] 
-  then debug "Number of disposable sessions in database (%d/%d) exceeds limit 
(%d): will delete the oldest" (List.length disposable_sessions) (List.length 
all_sessions) Xapi_globs.max_sessions;
+  then debug "Number of disposable sessions in database (%d/%d) exceeds limit 
(%d): will delete the oldest" (List.length disposable_sessions) (List.length 
sessions) Xapi_globs.max_sessions;
   cancel "Timed out session because of its age" old;
   cancel "Timed out session because max number of sessions was exceeded" 
unlucky
 
+let timeout_sessions ~__context =
+  let all_sessions =
+    Db.Session.get_internal_records_where ~__context ~expr:Db_filter_types.True
+  in
+  let (intrapool_sessions, normal_sessions) =
+    List.partition (fun (_, y) -> y.Db_actions.session_pool) all_sessions
+  in begin
+    timeout_sessions_common ~__context normal_sessions;
+    timeout_sessions_common ~__context intrapool_sessions;
+  end
+
 let timeout_tasks ~__context =
   let all_tasks = Db.Task.get_internal_records_where ~__context 
~expr:Db_filter_types.True in
   let oldest_completed_time = Unix.time() -. Xapi_globs.completed_task_timeout 
(* time out completed tasks after 65 minutes *) in

Attachment: xen-api.hg-4.patch
Description: Text Data

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