mirror of
https://github.com/zrepl/zrepl.git
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10a14a8c50
package trace:
- introduce the concept of tasks and spans, tracked as linked list within ctx
- see package-level docs for an overview of the concepts
- **main feature 1**: unique stack of task and span IDs
- makes it easy to follow a series of log entries in concurrent code
- **main feature 2**: ability to produce a chrome://tracing-compatible trace file
- either via an env variable or a `zrepl pprof` subcommand
- this is not a CPU profile, we already have go pprof for that
- but it is very useful to visually inspect where the
replication / snapshotter / pruner spends its time
( fixes #307 )
usage in package daemon/logging:
- goal: every log entry should have a trace field with the ID stack from package trace
- make `logging.GetLogger(ctx, Subsys)` the authoritative `logger.Logger` factory function
- the context carries a linked list of injected fields which
`logging.GetLogger` adds to the logger it returns
- `logging.GetLogger` also uses package `trace` to get the
task-and-span-stack and injects it into the returned logger's fields
42 lines
2.1 KiB
Modula-2
42 lines
2.1 KiB
Modula-2
module github.com/zrepl/zrepl
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go 1.12
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require (
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github.com/fatih/color v1.7.0
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github.com/gdamore/tcell v1.2.0
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github.com/gitchander/permutation v0.0.0-20181107151852-9e56b92e9909
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github.com/go-logfmt/logfmt v0.4.0
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github.com/go-sql-driver/mysql v1.4.1-0.20190907122137-b2c03bcae3d4
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github.com/golang/protobuf v1.3.2
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github.com/google/uuid v1.1.1
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github.com/jinzhu/copier v0.0.0-20170922082739-db4671f3a9b8
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github.com/kr/pretty v0.1.0
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github.com/lib/pq v1.2.0
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github.com/mattn/go-colorable v0.1.4 // indirect
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github.com/mattn/go-isatty v0.0.8
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github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // // go1.12 mod tidy adds this dependency as 'indirect', but go1.13 mod tidy removes it if the trailing comment is 'indirect' => add this comment to make the build work without changing go.mod on both go1.12 and go1.13
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github.com/modern-go/reflect2 v1.0.1 // go1.12 mod tidy adds this dependency as 'indirect', but go1.13 mod tidy removes it if the trailing comment is 'indirect' => add this comment to make the build work without changing go.mod on both go1.12 and go1.13
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github.com/montanaflynn/stats v0.5.0
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github.com/onsi/ginkgo v1.10.2 // indirect
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github.com/onsi/gomega v1.7.0 // indirect
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github.com/pkg/errors v0.8.1
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github.com/pkg/profile v1.2.1
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github.com/problame/go-netssh v0.0.0-20191209123953-18d8aa6923c7
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github.com/prometheus/client_golang v1.2.1
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github.com/prometheus/common v0.7.0
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github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44 // go1.12 thinks it needs this
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github.com/spf13/cobra v0.0.2
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github.com/spf13/pflag v1.0.5
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github.com/stretchr/testify v1.4.0
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github.com/willf/bitset v1.1.10
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github.com/yudai/gojsondiff v0.0.0-20170107030110-7b1b7adf999d
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github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82 // go1.12 thinks it needs this
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github.com/zrepl/yaml-config v0.0.0-20191220194647-cbb6b0cf4bdd
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golang.org/x/net v0.0.0-20190613194153-d28f0bde5980
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golang.org/x/sync v0.0.0-20190423024810-112230192c58
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golang.org/x/sys v0.0.0-20191026070338-33540a1f6037
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gonum.org/v1/gonum v0.7.0 // indirect
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google.golang.org/grpc v1.17.0
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)
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