chronix-engine 0.7.0

Storage engine for Chronix — WAL, memtable, columnar segments, indexes, compaction, and caches
Documentation 
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[package]
name = "chronix-engine"
description = "Storage engine for Chronix — WAL, memtable, columnar segments, indexes, compaction, and caches"
version.workspace = true
edition.workspace = true
authors.workspace = true
license.workspace = true
repository.workspace = true
rust-version.workspace = true
keywords = ["timeseries", "database", "lsm", "storage", "tsdb"]
categories = ["database-implementations"]
homepage.workspace = true
documentation.workspace = true
readme.workspace = true

# docs.rs builds with default features unless told otherwise, which would
# publish documentation with the feature-gated surface missing entirely — the
# cold tier, the security modules and Flight are all off by default.
[package.metadata.docs.rs]
all-features = true
rustdoc-args = ["--cfg", "docsrs"]

[lib]
doctest = false

[features]
default = ["field-encryption"]
## AES-256-GCM encryption support in the segment layer.
field-encryption = ["dep:aes-gcm"]
## S3/GCS/Azure object storage backend for cold-data tiering.
object-store = ["dep:object_store", "dep:url", "dep:parquet"]

[dependencies]
chronix-core.workspace = true
chronix-encoding.workspace = true

# Columnar interop
arrow.workspace = true
# Parquet is the cold-tier format (D6); only pulled in with `object-store`.
parquet = { workspace = true, optional = true }

# Compression & integrity
crc32c.workspace = true
lz4_flex.workspace = true
zstd.workspace = true

# Memory-mapped I/O
memmap2.workspace = true

# Concurrency
crossbeam-skiplist.workspace = true
dashmap.workspace = true
parking_lot.workspace = true
tokio = { workspace = true, features = ["fs", "io-util", "sync", "time"] }
futures.workspace = true

# Serialization
postcard.workspace = true
serde = { workspace = true, features = ["derive"] }

# Hashing & misc
bytes.workspace = true
fnv.workspace = true
rand.workspace = true

# Observability
metrics.workspace = true
tracing.workspace = true

# Error handling
thiserror.workspace = true

# Encryption (feature-gated)
aes-gcm = { workspace = true, optional = true }

# Object storage (feature-gated)
object_store = { workspace = true, optional = true }
# Scratch space for the cold-tier re-encode (the segment reader mmaps).
url = { version = "2", optional = true }

[dev-dependencies]
criterion.workspace = true
proptest.workspace = true
tempfile.workspace = true
serde_json.workspace = true
tokio = { workspace = true, features = ["rt", "macros", "test-util"] }

[[bench]]
name = "wal_bench"
harness = false

[[bench]]
name = "segment_bench"
harness = false

[[bench]]
name = "memtable_bench"
harness = false

[lints]
workspace = true