krishvishal opened a new pull request, #2769:
URL: https://github.com/apache/iggy/pull/2769
Summary:
- Adds a `PacketSimulator` that models a full network fault-injection layer:
per-path latency (exponential distribution), packet loss, link capacity limits
with random eviction, automatic network partitioning with configurable
lifecycle, and per-path clogging.
- Adds a `ReadyQueue` — a min-heap priority queue with reservoir-sampled
random ready removal, used to order packets by delivery tick and uniformly
select among simultaneously ready items.
- Partition modes: `UniformSize`, `UniformPartition`, `IsolateSingle`,
all guarantee at least one node in each partition. Supports symmetric and
asymmetric partitions.
Note:
- Pull-based batch delivery: `step()` returns all ready packets for the
current tick in a single Vec. Packets delivered in the same tick cannot trigger
chain reactions within
that tick. This was done because its difficult to do self-referential
structs in Rust and even with using dynamic dispatch we have to fight the
borrow checker since we would need mutable access to different fields at the
same time.
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