trace: update tracing-subscriber to 0.2.0-alpha.4
#418
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This commit updates the proxy's `tracing-subscriber` dependency from 0.1.4 to 0.2.0-alpha.4. This alpha includes tokio-rs/tracing#514, which fixes a pair of issues which prevent spans from being considered closed. One of these issues exists in 0.1.x as well. When spans are not considered closed, storage allocated for those spans' per-span data is not reused. Therefore, this issue results in a memory leak. Note that some span storage will still not appear to be _deallocated_ after this change, but that storage will be reused when spans are allowed to close correctly. In addition, I've updated the proxy's `trace` module to remove the custom formatter. This was used only to add Linkerd's custom logging contexts to `tracing-subscriber` logs, and as we no longer use the logging contexts, we can use `tracing-subscriber`'s default formatter. Now, we only override the timestamp format. Signed-off-by: Eliza Weisman <[email protected]>
olix0r
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Jan 30, 2020
olix0r
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This release fixes a bug in the proxy's logging subsystem that could cause the proxy to consume memory until the process is OOMKilled, especially when the proxy was configured to log diagnostic information. The proxy also now properly emits `grpc-status` headers when signaling proxy errors to gRPC clients. This release upgrades the proxy's Rust version, the `http` crate dependency to address RUSTSEC-2019-0033 and RUSTSEC-2019-0034, and the `prost` crate dependency has been patched to address RUSTSEC-2020-02. --- * internal: Introduce a locking middleware (linkerd/linkerd2-proxy#408) * Update to Rust 1.40 with new Cargo.lock format (linkerd/linkerd2-proxy#410) * Update http to v0.1.21 (linkerd/linkerd2-proxy#412) * internal: Split retry, http-classify, and http-metrics (linkerd/linkerd2-proxy#409) * Actually update http to v0.1.21 (linkerd/linkerd2-proxy#413) * patch `prost` 0.5 to pick up security fix (linkerd/linkerd2-proxy#414) * metrics: Make Counter & Gauge atomic (linkerd/linkerd2-proxy#415) * Set grpc-status headers on dispatch errors (linkerd/linkerd2-proxy#416) * trace: update `tracing-subscriber` to 0.2.0-alpha.4 (linkerd/linkerd2-proxy#418) * discover: Warn on discovery error (linkerd/linkerd2-proxy#422) * router: Avoid large up-front allocations (linkerd/linkerd2-proxy#421) * errors: Set correct HTTP version on responses (linkerd/linkerd2-proxy#424) * app: initialize tracing prior to parsing env vars (linkerd/linkerd2-proxy#425) * trace: update tracing-subscriber to 0.2.0-alpha.6 (linkerd/linkerd2-proxy#423)
adleong
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Feb 4, 2020
This release fixes a bug in the proxy's logging subsystem that could cause the proxy to consume memory until the process is OOMKilled, especially when the proxy was configured to log diagnostic information. The proxy also now properly emits `grpc-status` headers when signaling proxy errors to gRPC clients. This release upgrades the proxy's Rust version, the `http` crate dependency to address RUSTSEC-2019-0033 and RUSTSEC-2019-0034, and the `prost` crate dependency has been patched to address RUSTSEC-2020-02. --- * internal: Introduce a locking middleware (linkerd/linkerd2-proxy#408) * Update to Rust 1.40 with new Cargo.lock format (linkerd/linkerd2-proxy#410) * Update http to v0.1.21 (linkerd/linkerd2-proxy#412) * internal: Split retry, http-classify, and http-metrics (linkerd/linkerd2-proxy#409) * Actually update http to v0.1.21 (linkerd/linkerd2-proxy#413) * patch `prost` 0.5 to pick up security fix (linkerd/linkerd2-proxy#414) * metrics: Make Counter & Gauge atomic (linkerd/linkerd2-proxy#415) * Set grpc-status headers on dispatch errors (linkerd/linkerd2-proxy#416) * trace: update `tracing-subscriber` to 0.2.0-alpha.4 (linkerd/linkerd2-proxy#418) * discover: Warn on discovery error (linkerd/linkerd2-proxy#422) * router: Avoid large up-front allocations (linkerd/linkerd2-proxy#421) * errors: Set correct HTTP version on responses (linkerd/linkerd2-proxy#424) * app: initialize tracing prior to parsing env vars (linkerd/linkerd2-proxy#425) * trace: update tracing-subscriber to 0.2.0-alpha.6 (linkerd/linkerd2-proxy#423)
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This commit updates the proxy's
tracing-subscriberdependency from0.1.4 to 0.2.0-alpha.4. This alpha includes tokio-rs/tracing#514, which
fixes a pair of issues which prevent spans from being considered closed.
One of these issues exists in 0.1.x as well.
When spans are not considered closed, storage allocated for those spans'
per-span data is not reused. Therefore, this issue results in a memory
leak.
Note that some span storage will still not appear to be
deallocated after this change, but that storage will be reused when
spans are allowed to close correctly.
In addition, I've updated the proxy's
tracemodule to remove thecustom formatter. This was used only to add Linkerd's custom logging
contexts to
tracing-subscriberlogs, and as we no longer use thelogging contexts, we can use
tracing-subscriber's default formatter.Now, we only override the timestamp format.
This may fix linkerd/linkerd2#3998 (pending verification).
Signed-off-by: Eliza Weisman [email protected]