Commit 2510eb20 authored by Ramon Nou's avatar Ramon Nou
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Changelog update

parent 4caffc64

CHANGELOG.md

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@@ -5,6 +5,19 @@ 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).



## [Unreleased]

### New

  - directory optimization with compression and reattemp ([!270](https://storage.bsc.es/gitlab/hpc/gekkofs/-/merge_requests/270))

    - Refactor sfind so it can use SLURM_ environment variables to ask to different servers.

    - Create a sample bash script to gather all the info (map->reduce)

    - Compress directory data with zstd.

    - Make a new config.hpp option for controlling the compression

    - If directory buffer is not enough it will reattempt with the exact size



### Changed 



### Fixed



## [0.9.5] - 2025-08

### New

  - Added cppcheck code checking capabilities ([!214](https://storage.bsc.es/gitlab/hpc/gekkofs/-/merge_requests/214))

README.md

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@@ -587,6 +587,9 @@ Client-metrics require the CMake argument `-DGKFS_ENABLE_CLIENT_METRICS=ON` (see 
- `LIBGKFS_METRICS_IP_PORT` - Enable flushing to a set ZeroMQ server (replaces `LIBGKFS_METRICS_PATH`).

- `LIBGKFS_PROXY_PID_FILE` - Path to the proxy pid file (when using the GekkoFS proxy).

- `LIBGKFS_NUM_REPL` - Number of replicas for data.

#### Directory optimizations

Set `true` the variable `use_dirents_compression` available at `include/config.hpp` to transfer directories compressed with zstd.



#### Caching

##### Dentry cache

Improves performance for `ls -l` type operations by caching file metadata for subsequent `stat()` operations during

src/client/gkfs_functions.cpp

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@@ -1564,15 +1564,6 @@ gkfs_rmdir(const std::string& path) { 
    }

    assert(ret.second);

    auto open_dir = ret.second;

    // LOG all entries

    LOG(DEBUG, "rmdir check - entries in dir '{} {}':", path, open_dir->size());

    for(size_t i = 0; i < open_dir->size(); i++) {

        auto de = open_dir->getdent(i);

        LOG(DEBUG, "rmdir check - name: {} type: {}", de.name(),

            (de.type() == gkfs::filemap::FileType::directory) ? "dir"

                                                              : "regular");

    }

    // only . and .. should be present

    if(open_dir->size() != 2) {

        errno = ENOTEMPTY;

        return -1;

src/client/rpc/forward_metadata.cpp

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@@ -791,8 +791,6 @@ forward_get_dirents(const string& path) { 


                std::string name(ptr);

                ptr += name.size() + 1; // Advance past name + \0

                LOG(DEBUG, "{}() Retrieved dirent: '{}' is_dir: {}", __func__,

                    name, is_dir);

                open_dir->add(name, is_dir ? gkfs::filemap::FileType::directory

                                           : gkfs::filemap::FileType::regular);

            }