Update with staging

CMake/HermesConfig.cmake

@@ -10,99 +10,91 @@
 find_path(
   Hermes_INCLUDE_DIR
         hermes/hermes_types.h
+  HINTS ENV PATH ENV CPATH
 )
-message("Hermes_INCLUDE_DIR: ${Hermes_INCLUDE_DIR}")
-
-if( Hermes_INCLUDE_DIR )
-  get_filename_component(Hermes_DIR ${Hermes_INCLUDE_DIR} PATH)
-
-  #-----------------------------------------------------------------------------
-  # Find all packages needed by Hermes
-  #-----------------------------------------------------------------------------
-  find_library(
-    Hermes_LIBRARY
-    NAMES hrun_client hrun_server
-  )
-
-  message("Hermes_LIBRARY: ${Hermes_LIBRARY}")
+if (NOT Hermes_INCLUDE_DIR)
+  message(STATUS "FindHermes: Could not find Hermes.h")
+  set(Hermes_FOUND FALSE)
+  return()
+endif()
+get_filename_component(Hermes_DIR ${Hermes_INCLUDE_DIR} PATH)
 
-  # HermesShm
-  find_package(HermesShm CONFIG REQUIRED)
-  message(STATUS "found hermes_shm.h at ${HermesShm_INCLUDE_DIRS}")
+#-----------------------------------------------------------------------------
+# Find all packages needed by Hermes
+#-----------------------------------------------------------------------------
+find_library(
+  Hermes_LIBRARY
+  NAMES hrun_client hrun_server
+  HINTS ENV LD_LIBRARY_PATH ENV PATH
+)
+if (NOT Hermes_LIBRARY)
+    message(STATUS "FindHermes: Could not find libhrun_client.so")
+    set(Hermes_FOUND FALSE)
+    message(STATUS "LIBS: $ENV{LD_LIBRARY_PATH}")
+    return()
+endif()
 
-  # YAML-CPP
-  find_package(yaml-cpp REQUIRED)
-  message(STATUS "found yaml-cpp at ${yaml-cpp_DIR}")
+# HermesShm
+find_package(HermesShm CONFIG REQUIRED)
+message(STATUS "found hermes_shm.h at ${HermesShm_INCLUDE_DIRS}")
 
-  # Catch2
-  find_package(Catch2 3.0.1 REQUIRED)
-  message(STATUS "found catch2.h at ${Catch2_CXX_INCLUDE_DIRS}")
+# YAML-CPP
+find_package(yaml-cpp REQUIRED)
+message(STATUS "found yaml-cpp at ${yaml-cpp_DIR}")
 
-  # MPICH
-  if(BUILD_MPI_TESTS)
-    find_package(MPI REQUIRED COMPONENTS C CXX)
-    message(STATUS "found mpi.h at ${MPI_CXX_INCLUDE_DIRS}")
-  endif()
+# Catch2
+find_package(Catch2 3.0.1 REQUIRED)
+message(STATUS "found catch2.h at ${Catch2_CXX_INCLUDE_DIRS}")
 
-  # OpenMP
-  if(BUILD_OpenMP_TESTS)
-    find_package(OpenMP REQUIRED COMPONENTS C CXX)
-    message(STATUS "found omp.h at ${OpenMP_CXX_INCLUDE_DIRS}")
-  endif()
+# MPICH
+if(BUILD_MPI_TESTS)
+  find_package(MPI REQUIRED COMPONENTS C CXX)
+  message(STATUS "found mpi.h at ${MPI_CXX_INCLUDE_DIRS}")
+endif()
 
-  # Cereal
-  find_package(cereal REQUIRED)
-  if(cereal)
-    message(STATUS "found cereal")
-  endif()
+# OpenMP
+if(BUILD_OpenMP_TESTS)
+  find_package(OpenMP REQUIRED COMPONENTS C CXX)
+  message(STATUS "found omp.h at ${OpenMP_CXX_INCLUDE_DIRS}")
+endif()
 
-  # Boost
-  find_package(Boost REQUIRED COMPONENTS regex system filesystem fiber REQUIRED)
-  if (Boost_FOUND)
-    message(STATUS "found boost at ${Boost_INCLUDE_DIRS}")
-  endif()
+# Cereal
+find_package(cereal REQUIRED)
+if(cereal)
+  message(STATUS "found cereal")
+endif()
 
-  # Thallium
-  find_package(thallium CONFIG REQUIRED)
-  if(thallium_FOUND)
-    message(STATUS "found thallium at ${thallium_DIR}")
-  endif()
+# Boost
+find_package(Boost REQUIRED COMPONENTS regex system filesystem fiber REQUIRED)
+if (Boost_FOUND)
+  message(STATUS "found boost at ${Boost_INCLUDE_DIRS}")
+endif()
 
-  #-----------------------------------------------------------------------------
-  # Mark hermes as found and set all needed packages
-  #-----------------------------------------------------------------------------
-  if( Hermes_LIBRARY )
-    set(Hermes_LIBRARY_DIR "")
-    get_filename_component(Hermes_LIBRARY_DIRS ${Hermes_LIBRARY} PATH)
-    # Set uncached variables as per standard.
-    set(Hermes_FOUND ON)
-    set(Hermes_INCLUDE_DIRS ${Boost_INCLUDE_DIRS} ${Hermes_INCLUDE_DIR})
-    set(Hermes_LIBRARIES
-            ${HermesShm_LIBRARIES}
-            yaml-cpp
-            cereal::cereal
-            -ldl -lrt -lc -pthread
-            thallium
-            hermes
-            ${Boost_LIBRARIES} ${Hermes_LIBRARY})
-    set(Hermes_CLIENT_LIBRARIES ${Hermes_LIBRARIES})
-    set(Hermes_RUNTIME_LIBRARIES
-            ${Hermes_CLIENT_LIBRARIES}
-            hrun_runtime
-            ${Boost_LIBRARIES})
-    set(Hermes_RUNTIME_DEPS "")
-  endif(Hermes_LIBRARY)
+# Thallium
+find_package(thallium CONFIG REQUIRED)
+if(thallium_FOUND)
+  message(STATUS "found thallium at ${thallium_DIR}")
+endif()
 
-else(Hermes_INCLUDE_DIR)
-  message(STATUS "FindHermes: Could not find Hermes.h")
-endif(Hermes_INCLUDE_DIR)
-
-if(Hermes_FOUND)
-  if(NOT Hermes_FIND_QUIETLY)
-    message(STATUS "FindHermes: Found both Hermes.h and libhrun_client.so")
-  endif(NOT Hermes_FIND_QUIETLY)
-else(Hermes_FOUND)
-  if(Hermes_FIND_REQUIRED)
-    message(STATUS "FindHermes: Could not find Hermes.h and/or libhrun_client.so")
-  endif(Hermes_FIND_REQUIRED)
-endif(Hermes_FOUND)
+#-----------------------------------------------------------------------------
+# Mark hermes as found and set all needed packages
+#-----------------------------------------------------------------------------
+set(Hermes_LIBRARY_DIR "")
+get_filename_component(Hermes_LIBRARY_DIRS ${Hermes_LIBRARY} PATH)
+# Set uncached variables as per standard.
+set(Hermes_FOUND ON)
+set(Hermes_INCLUDE_DIRS ${Boost_INCLUDE_DIRS} ${Hermes_INCLUDE_DIR})
+set(Hermes_LIBRARIES
+        ${HermesShm_LIBRARIES}
+        yaml-cpp
+        cereal::cereal
+        -ldl -lrt -lc -pthread
+        thallium
+        hermes
+        ${Boost_LIBRARIES} ${Hermes_LIBRARY})
+set(Hermes_CLIENT_LIBRARIES ${Hermes_LIBRARIES})
+set(Hermes_RUNTIME_LIBRARIES
+        ${Hermes_CLIENT_LIBRARIES}
+        hrun_runtime
+        ${Boost_LIBRARIES})
+set(Hermes_RUNTIME_DEPS "")

README.md

@@ -1,6 +1,6 @@
 # Hermes
 
-Hermes is a heterogeneous-aware, multi-tiered, dynamic, and distributed I/O buffering system that aims to significantly accelerate I/O performance. See the [official site](http://www.cs.iit.edu/~scs/assets/projects/Hermes/Hermes.html) for more information. For design documents, architecture description, performance data, and individual component design, see the [wiki](https://github.com/HDFGroup/hermes/wiki).
+Hermes is a heterogeneous-aware, multi-tiered, dynamic, and distributed I/O buffering system that aims to significantly accelerate I/O performance. See the [official site](http://www.cs.iit.edu/~scs/assets/projects/Hermes/Hermes.html) for more information. For design documents, architecture description, performance data, and individual component design, see the [wiki](https://grc.iit.edu/docs/category/hermes).
 
 ![Build](https://github.com/HDFGroup/hermes/workflows/GitHub%20Actions/badge.svg)
 

hrun/tasks_required/TASK_NAME/include/TASK_NAME/TASK_NAME.h

@@ -45,7 +45,7 @@ class Client : public TaskLibClient {
     LPointer<ConstructTask> task =
         AsyncCreateRoot(std::forward<Args>(args)...);
     task->Wait();
-    Init(id_, HRUN_ADMIN->queue_id_);
+    Init(task->id_, HRUN_ADMIN->queue_id_);
     HRUN_CLIENT->DelTask(task);
   }
 

include/hermes/bucket.h

@@ -389,28 +389,21 @@ class Bucket {
   /**
    * Reorganize a blob to a new score or node
    * */
-  void ReorganizeBlob(const BlobId &blob_id,
-                      float score) {
-    blob_mdm_->AsyncReorganizeBlobRoot(id_, blob_id, score, 0, true);
-  }
-
-  /**
-   * Reorganize a blob to a new score or node
-   * */
-  void ReorganizeBlob(const BlobId &blob_id,
+  void ReorganizeBlob(const std::string &name,
                       float score,
-                      Context &ctx) {
-    blob_mdm_->AsyncReorganizeBlobRoot(id_, blob_id, score, 0, true);
+                      const Context &ctx = Context()) {
+    blob_mdm_->AsyncReorganizeBlobRoot(
+        id_, hshm::charbuf(name), BlobId::GetNull(), score, true, ctx);
   }
 
   /**
    * Reorganize a blob to a new score or node
    * */
   void ReorganizeBlob(const BlobId &blob_id,
                       float score,
-                      u32 node_id,
-                      Context &ctx) {
-    blob_mdm_->AsyncReorganizeBlobRoot(id_, blob_id, score, node_id, true);
+                      const Context &ctx = Context()) {
+    blob_mdm_->AsyncReorganizeBlobRoot(
+        id_, hshm::charbuf(""), blob_id, score, true, ctx);
   }
 
   /**
@@ -494,6 +487,9 @@ class Bucket {
                     Context &ctx) {
     Blob blob;
     BlobId blob_id = BaseGet(blob_name, orig_blob_id, blob, 0, ctx);
+    if (blob.size() == 0) {
+      return BlobId::GetNull();
+    }
     std::stringstream ss(std::string(blob.data(), blob.size()));
     cereal::BinaryInputArchive ar(ss);
     ar >> data;

include/hermes/config_manager.h

@@ -53,7 +53,9 @@ class ConfigurationManager {
     op_mdm_.CreateRoot(DomainId::GetGlobal(), "hermes_op_mdm",
                        bkt_mdm_.id_, blob_mdm_.id_);
     stager_mdm_.CreateRoot(DomainId::GetGlobal(),
-                           "hermes_stager_mdm", blob_mdm_.id_);
+                           "hermes_stager_mdm",
+                           blob_mdm_.id_,
+                           bkt_mdm_.id_);
     blob_mdm_.SetBucketMdmRoot(DomainId::GetGlobal(),
                                bkt_mdm_.id_,
                                stager_mdm_.id_, op_mdm_.id_);

tasks/data_stager/include/data_stager/data_stager.h

@@ -23,12 +23,13 @@ class Client : public TaskLibClient {
   LPointer<ConstructTask> AsyncCreate(const TaskNode &task_node,
                                       const DomainId &domain_id,
                                       const std::string &state_name,
-                                      const TaskStateId &blob_mdm) {
+                                      const TaskStateId &blob_mdm,
+                                      const TaskStateId &bkt_mdm) {
     id_ = TaskStateId::GetNull();
     QueueManagerInfo &qm = HRUN_CLIENT->server_config_.queue_manager_;
     std::vector<PriorityInfo> queue_info;
     return HRUN_ADMIN->AsyncCreateTaskState<ConstructTask>(
-        task_node, domain_id, state_name, id_, queue_info, blob_mdm);
+        task_node, domain_id, state_name, id_, queue_info, blob_mdm, bkt_mdm);
   }
   HRUN_TASK_NODE_ROOT(AsyncCreate)
   template<typename ...Args>
@@ -132,6 +133,29 @@ class Client : public TaskLibClient {
   }
   HRUN_TASK_NODE_PUSH_ROOT(StageOut);
 
+  /** Stage out data to a remote source */
+  HSHM_ALWAYS_INLINE
+  void AsyncUpdateSizeConstruct(UpdateSizeTask *task,
+                              const TaskNode &task_node,
+                              const BucketId &bkt_id,
+                              const hshm::charbuf &blob_name,
+                              size_t blob_off,
+                              size_t data_size,
+                              u32 task_flags) {
+    HRUN_CLIENT->ConstructTask<UpdateSizeTask>(
+        task, task_node, id_, bkt_id,
+        blob_name, blob_off, data_size, task_flags);
+  }
+  HSHM_ALWAYS_INLINE
+  void UpdateSizeRoot(const BucketId &bkt_id,
+                    const hshm::charbuf &blob_name,
+                    size_t blob_off,
+                    size_t data_size,
+                    u32 task_flags) {
+    AsyncUpdateSizeRoot(bkt_id, blob_name, blob_off, data_size, task_flags);
+  }
+  HRUN_TASK_NODE_PUSH_ROOT(UpdateSize);
+
   /** Parse url */
   static inline
   bool GetUrlProtocolAndAction(const std::string &url,