13th pre-release version

API

• Add an initial version of check_sanity()
• Change the way to set the max num threads for parallel snaphot

Internal

• Handle exceptions properly
• Remove aborts in STL allocator
• Remove private mapping modes

Administrative

• Switch to GitHub Actions

12th pre-release version

New Features

• Support parallel snapshot and copy modes

• Support anonymous mapping for a new region

Internal Changes

• Clean up page uncommit methods

• Call fsync after copying files

Bugfix

• Stop using boost-cmake

• Fixed a issue which creates data store root directories recursively when a data store is copied to the same location repeatedly

• Some minor bugfixs in the manager kernel

11th pre-release version

Add NVMW'21 tutorial materials

10th pre-release version

Metall Containers

• The first version of Metall containers have been merged

UMap SparseStore

• Update and bugfix

9th pre-release version

Bugfix & Internal Improvement

• Bugfix for creating directory with multiple processes on NFS

• Changed to use madvise more courteously

8th pre-release version

Metall data store

Can store a description (string) in a Metall data store.

Attributed Object

Add many API for attributed object.
Sores a type-ID and a description for each object.
Add 'metall ls' programs which can list the attributes of objects in a Metall data store.
Handles exceptions properly thrown by the constructor of an object being constructed in a construct/destroy function.

Documentation

Add Metall overview slides.

Refactoring

Move include/metall_container/ and include/metall_utility/ to under include/metall/ .

Bugfix

Fixed a directory existence checking function which returned false even if the directory exist on some systems (e.g., NetApp Filer).

7th pre-release version

Common

• Add a workaround for gcc 87846 bug (fixed in GCC 8.3); however, change to recommend GCC 8.3 or more.

Metall Manager

• Some member functions are changed to const ones.
• Change API for UUID.
• Stores Metall version into data store; checks version match when opening existing data store.

MPI Adaptor

• Bugfix for creating a root dir globally

Internal Changes

• Manager Kernel
  • Change internal metadata to store in PM.
  • Stop to take an allocator and use std::malloc for allocating management data on DRAM.
  • Take snapshot with more consistent way.
• Named Object Directory
  • Significant API changes.
  • Add a field to store description (string).
• Change directory structures during test.
• Stop relying on zero-initialized page.

6th pre-release version

• STL allocator

  • Refactor the STL-style allocator
  • First workable fallback_allocator_adaptor

• MPI adaptor

  • Utilize local root rank info

• Many document updates

5th pre-release version

• Fix a bug in the create mode in the MPI adaptor.
• Change to use lighter docker image
• Update examples and test programs for clang (clang is not official support yet)

4th pre-release version

Update documents and examples

Many updates in MPI adaptor:
e.g., changing to require a directory path that does not exist in the create mode.

Add latest GCC and Boost versions in the Travis CI configuration.

Clang supports (unofficial still):
bugfix to build on macOS >= 10.15 with clang.
update CMake files for clang support.