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4.4.27: Static Linux builds, memory-aware batching, and build toolchain upgrades

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This release includes significant improvements to resource management, build reliability, and portability.

### Memory-Aware Batching (Backward Compatible)
- Added configurable batch size and memory limits to prevent excessive memory usage during large dataset processing.
- Introduced a new `--batch-mem` command-line option (e.g., `128K`, `64M`, `1G`) to enable adaptive batching based on estimated sequence memory footprint.
- Internal batching logic now flushes batches when either size or memory thresholds are exceeded, ensuring predictable behavior.
- Conservative memory estimation and explicit garbage collection after large batch discards improve resource efficiency.

### Linux Build Enhancements
- Enabled static linking for Linux binaries using musl, producing self-contained executables with no external runtime dependencies.
- Refined cross-compilation toolchain to use architecture-specific CGO header paths, improving reliability across target architectures.
- Switched Linux builds to use Docker-based static compilation for consistency and reproducibility.

### Build System & Toolchain Improvements
- Upgraded Go toolchain to 1.26, with updated dependencies including golang.org/x/net v0.38.0.
- Fixed Makefile quoting for LDFLAGS to handle paths containing spaces.
- Enhanced build error handling to display logs before cleanup on failure.
- Improved install script with correct environment variable setup (GOROOT, GOPATH, GOTOOLCHAIN) and added progress indicators for downloads.

Note: All batching behavior remains non-breaking, with default constraints ensuring safe processing of large datasets.
This commit is contained in:
Eric Coissac
2026-03-14 11:43:42 +01:00
parent 585b024bf0
commit 3b9f67f108
2 changed files with 2 additions and 2 deletions
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2
pkg/obioptions/version.go
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@@ -3,7 +3,7 @@ package obioptions
// Version is automatically updated by the Makefile from version.txt
// The patch number (third digit) is incremented on each push to the repository
var _Version = "Release 4.4.26"
var _Version = "Release 4.4.27"
// Version returns the version of the obitools package.
//

2
version.txt
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@@ -1 +1 @@
4.4.26
4.4.27