Commit 2a28c444 authored by Marc Vef's avatar Marc Vef
Browse files

Changelog formatting, changed kreon appearances to parallax

parent 40d499ee

CHANGELOG.md

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# Changelog



All notable changes to GekkoFS project will be documented in this file.



The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),

and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres

to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).



## [Unreleased]

- Parallax experimental integration 

Support for different databases backend

New Docker Images and scripts (0.9.1)

([!110](https://storage.bsc.es/gitlab/hpc/gekkofs/-/merge_requests/110)).

- Added `--clean-rootdir-finish` argument to remove rootdir/metadir at the end.



### New



- Added new experimental metadata backend:

  Parallax ([!110](https://storage.bsc.es/gitlab/hpc/gekkofs/-/merge_requests/110)).

    - Added support to use multiple metadata backends.

    - Added `--clean-rootdir-finish` argument to remove rootdir/metadir at the end when the daemon finishes.



### Changed



- `-c` argument has been moved to `--clean-rootdir-finish` and is now used to clean rootdir/metadir on daemon

  shutdown ([!110](https://storage.bsc.es/gitlab/hpc/gekkofs/-/merge_requests/110)).



### Removed



### Fixed



## [0.9.0] - 2022-02-22



### New



- GekkoFS now uses C++17 (!74).

- Added a new `dirents_extended` function which can improve `find` operations.

A corresponding example how to use this function can be found at 

- Added a new `dirents_extended` function which can improve `find` operations. A corresponding example how to use this

  function can be found at

  `examples/gfind/gfind.cpp` with a non-mpi version at `examples/gfind/sfind.cpp`

  ([!73](https://storage.bsc.es/gitlab/hpc/gekkofs/-/merge_requests/73)).

- Code coverage reports for the source code are now generated and tracked
@@ -82,8 +96,6 @@ Note that tests still require `Boost_preprocessor`. 
([!116](https://storage.bsc.es/gitlab/hpc/gekkofs/-/merge_requests/116)).

- Fixed an issue where `LOG_OUTPUT_TRUNC` did not work as expected ([!118](https://storage.bsc.es/gitlab/hpc/gekkofs/-/merge_requests/118)).



- Added new metadata backend, kreon.



## [0.8.0] - 2020-09-15

### New

- Both client library and daemon have been extended to support the ofi+verbs

README.md

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@@ -110,7 +110,7 @@ Options: 
  --dbbackend               'rocksdb' (default) or 'parallaxdb' can be specified as

                            metadata backend, in that case a file in 'metadir' named

                            rocksdbx is created. Parallaxdb support is experimental.

  --kreonsize               'parallaxdb' specific, size of the metadata file in GB. Minimal is 8 GB

  --parallax_size               'parallaxdb' specific, size of the metadata file in GB. Minimal is 8 GB

                            (default 8, 8 GB)

  --version                 Print version and exit.

```

docs/sphinx/users/running.md

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@@ -78,7 +78,7 @@ Further options are available 
    --dbbackend               'rocksdb' (default) or 'parallaxdb' can be specified as

                                metadata backend, in that case a file in 'metadir' named

                                rocksdbx is created. Parallaxdb support is experimental.

    --kreonsize               'parallaxdb' specific, size of the metadata file in GB. Minimal is 8 GB

    --parallax_size               'parallaxdb' specific, size of the metadata file in GB. Minimal is 8 GB

                              (default 8, 8 GB)

   --version                   Print version and exit.

````

include/daemon/classes/fs_data.hpp

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@@ -71,10 +71,9 @@ private: 
    // Database

    std::shared_ptr<gkfs::metadata::MetadataDB> mdb_;

    std::string dbbackend_;

    bool keep_rootdir_ = true;

    // Kreon



    unsigned long long size_md_ = 8589934592ull;

    // Parallax

    unsigned long long parallax_size_md_ = 8589934592ull;



    // Storage backend

    std::shared_ptr<gkfs::data::ChunkStorage> storage_;
@@ -206,10 +205,10 @@ public: 
    blocks_state(bool blocks_state);



    unsigned long long

    kreon_size_md() const;

    parallax_size_md() const;



    void

    kreon_size_md(unsigned int size_md);

    parallax_size_md(unsigned int size_md);

};



} // namespace daemon

src/daemon/backend/metadata/parallax_backend.cpp

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@@ -90,7 +90,7 @@ ParallaxBackend::ParallaxBackend(const std::string& path) 
    }



    if(size == 0) {

        size = GKFS_DATA->kreon_size_md();

        size = GKFS_DATA->parallax_size_md();



        lseek(fd, size - 1, SEEK_SET);

        std::string tmp = "x";
@@ -334,8 +334,6 @@ ParallaxBackend::decrease_size_impl(const std::string& key, size_t size) { 
std::vector<std::pair<std::string, bool>>

ParallaxBackend::get_dirents_impl(const std::string& dir) const {

    auto root_path = dir;

    //   lock_guard<recursive_mutex> lock_guard(kreon_mutex_);



    struct par_key K;



    str2par(root_path, K);