CCBC-1608: reduce timeout for idle HTTP connections to 1 second

Change-Id: I00292dc99feb66953a2dc44485102f17bbcc78b4
Reviewed-on: https://review.couchbase.org/c/libcouchbase/+/197341
Reviewed-by: Jared Casey <[email protected]>
Tested-by: Build Bot <[email protected]>

Author: avsej

src/instance.cc

@@ -566,7 +566,7 @@ lcb_STATUS lcb_create(lcb_INSTANCE **instance, const lcb_CREATEOPTS *options)
         // Needs its own scope because there are prior GOTOs
         io::Pool::Options pool_opts;
         pool_opts.maxidle = 1;
-        pool_opts.tmoidle = LCB_MS2US(10000); // 10 seconds
+        pool_opts.tmoidle = LCB_DEFAULT_HTTP_POOL_TIMEOUT;
         obj->memd_sockpool->set_options(pool_opts);
         obj->http_sockpool->set_options(pool_opts);
     }

src/settings.h

@@ -114,6 +114,9 @@
 
 #define LCB_DEFAULT_PERSISTENCE_TIMEOUT_FLOOR 1500000
 
+/* 1 second */
+#define LCB_DEFAULT_HTTP_POOL_TIMEOUT LCB_MS2US(1000)
+
 #include "config.h"
 #include <libcouchbase/couchbase.h>
 #include <libcouchbase/metrics.h>