https://github.com/cloudius-systems/osv/releases/tag/v0.55.0
"This new release focuses on improving documentation, build system, and
testing. It also introduces Travis-based CI/CD pipeline to publish
artifacts to "nightly repo". In addition, it also adds many new
features/improvements:
- preliminary virtio-fs support
- QEMU microvm machine support
- numerous improvements to dynamic linker including local-exec TLS
- kernel smaller by 300 K
- new HTTP monitoring API
- less memory utilization with ROFS
Highlights
- Revised existing documentation and added a new one
- Main README
- Dynamic Linker
- Memory Allocation
- Automated Testing Framework
- Building from host guide
- Improved build process
- Setup Travis-based CI/CD pipeline to automatically build and
publish kernel and artifacts
- Setup process to publish OSv build docker images to docker hub
- Cleaned up build process by eliminating the "build from externals"
mode
- Migrated python scripts to version 3
- Removed dependency on JDK to build the kernel
- Merged IPV6 code from Spirent into a new branch
<https://github.com/cloudius-systems/osv/tree/ipv6>
- Removed the dependency on the boost program options library from
kernel and utility apps which made kernel smaller by 300K
- Created Automated Testing Framework designed to run > 30 real apps,
some of them under stress using ab or wrk tools.
- Improved dynamic linker
- Added local-exec TLS support
- Expose musl version of libc
- Handle RTLD_NEXT
- Added some bionic unit tests
- Resurrected aarch64 support
- Simple hello world app works now on QEMU and Raspberry PI 4 with
KVM enabled
- Basic support in run.py
- Added support of QEMU microvm machine
- Added clock synchronization mechanism with host on KVM
- File system improvements
- ZFS improvements
- Can mount and modify OSv-build drive on a host and use it back
on OSv
- NFS
- Changed filesystem driver to be a library
- ROFS
- Improved memory utilization by integrating with pagecache
- Virtio-FS
- Added preliminary support
<https://github.com/cloudius-systems/osv/commit/47c7e9268ff96f67f4649bb6c63685a5c2d74f00>
- Added new HTTP monitoring API module
New Apps
- WebAssembly/Wasmer examples
<https://github.com/cloudius-systems/osv-apps/tree/master/webassembly>
- Running Docker images example
<https://github.com/cloudius-systems/osv-apps/tree/master/openjdk12-jre-from-docker>
- Deno <https://github.com/cloudius-systems/osv-apps/tree/master/deno>
- KeyDB <https://github.com/cloudius-systems/osv-apps/tree/master/keydb>
Closed Issues
- #352 <https://github.com/cloudius-systems/osv/issues/352> -
Thread-local storage doesn't work in PIE
- #743 <https://github.com/cloudius-systems/osv/issues/743> - Stop using
libraries and header files from external/
- #784 <https://github.com/cloudius-systems/osv/issues/784> - realloc
crashes with "page fault outside application"
- #820 <https://github.com/cloudius-systems/osv/issues/820> - Add
ability to build read-only version of httpserver-api module for monitoring
purposes
- #854 <https://github.com/cloudius-systems/osv/issues/854> - Allow
non-contiguous malloc() when memory is fragmented
- #880 <https://github.com/cloudius-systems/osv/issues/880> - Tomcat
doesn't run on openjdk8-fedora
- #916 <https://github.com/cloudius-systems/osv/issues/916> -
scripts/loader.py is not python3 compatible
- #918 <https://github.com/cloudius-systems/osv/issues/918> - Importing
ZFS volume fails on OSv
- #975 <https://github.com/cloudius-systems/osv/issues/975> - mysql
cannot working with fs=ramfs
- #976 <https://github.com/cloudius-systems/osv/issues/976> - Fix
annoying warnings while building tests
- #980 <https://github.com/cloudius-systems/osv/issues/980> - cpiod.so
is much too big
- #1014 <https://github.com/cloudius-systems/osv/issues/1014> - Make
kernel not to use boost program_options library
- #1015 <https://github.com/cloudius-systems/osv/issues/1015> - OSv
guest's wall clock does not follow host's wall clock
- #1040 <https://github.com/cloudius-systems/osv/issues/1040> - Boost
1.69.0 on Fedora 30 contains hidden symbols
- #1044 <https://github.com/cloudius-systems/osv/issues/1044> - Test
build with Travis CI
- #1045 <https://github.com/cloudius-systems/osv/issues/1045> - Delay
processing PT_NOTE segments until all PT_LOAD segments are mmapped
- #1053 <https://github.com/cloudius-systems/osv/issues/1053> -
httpserver should not use boost::program_options
- #1056 <https://github.com/cloudius-systems/osv/issues/1056> - Upgrade
utility scripts to Python 3
- #1056 <https://github.com/cloudius-systems/osv/issues/1056> -
Virtio-net: use large buffers when VIRTIO_NET_F_MRG_RXBUF is not negotiated
- #1065 <https://github.com/cloudius-systems/osv/issues/1065> - When
relocating do not lookup STB_LOCAL symbols by name
- #1066 <https://github.com/cloudius-systems/osv/issues/1066> - Ignore
ELF versioning table when object looks up symbols by name in itself
(self-lookup)
- #1067 <https://github.com/cloudius-systems/osv/issues/1067> - Make
symbols visible to the object itself from threads created by INIT functions
- #1070 <https://github.com/cloudius-systems/osv/issues/1070> - Running
Linux apps compiled and linked against musl
- #1073 <https://github.com/cloudius-systems/osv/issues/1073> - Bugs in
itimer::work()
- #1074 <https://github.com/cloudius-systems/osv/issues/1074> - Cannot
run YCSB with Redis on OSV
- #1077 <https://github.com/cloudius-systems/osv/issues/1077> -
malloc_usable_size of malloc_large returns incorrect value
- #1078 <https://github.com/cloudius-systems/osv/issues/1078> -
Eliminate libnfs external module"
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