Increase ringbuffer size further - allow for many more listeners on shared memory regions.

include/storage/shared_monitor.hpp

@@ -146,7 +146,7 @@ template <typename Data> struct SharedMonitor
     // like two-turnstile reusable barrier or boost/interprocess/sync/spin/condition.hpp
     // fail if a waiter is killed.
 
-    static constexpr int buffer_size = 4096;
+    static constexpr int buffer_size = 4096 * 4;
 
     struct InternalData
     {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "osrm",
-  "version": "5.18.0-moarshm.2",
+  "version": "5.18.0-moarshm.3",
   "private": false,
   "description": "The Open Source Routing Machine is a high performance routing engine written in C++14 designed to run on OpenStreetMap data.",
   "dependencies": {

src/tools/store.cpp

@@ -82,7 +82,8 @@ void springClean()
     }
     else
     {
-        for (auto key : util::irange<storage::SharedRegionRegister::RegionID>(0, storage::SharedRegionRegister::MAX_SHM_KEYS))
+        for (auto key : util::irange<storage::SharedRegionRegister::RegionID>(
+                 0, storage::SharedRegionRegister::MAX_SHM_KEYS))
         {
             deleteRegion(key);
         }