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zapcore: Add Buffered Writer #961

Merged
merged 74 commits into from Jun 8, 2021
Merged

zapcore: Add Buffered Writer #961

merged 74 commits into from Jun 8, 2021

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abhinav
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@abhinav abhinav commented Jun 8, 2021

Add a BufferedWriteSyncer that buffers writes in memory before flushing
them to the underlying WriteSyncer at some interval or when a
configured amount of data has been buffered -- whichever comes first.


This is a copy of #952 (which itself is a fork of #782) because it was
accidentally merged instead of squashed, and wasn't yet fully reviewed.

@abhinav abhinav mentioned this pull request Jun 8, 2021
@abhinav abhinav requested a review from prashantv June 8, 2021 17:57
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codecov bot commented Jun 8, 2021

Codecov Report

Merging #961 (ac5b8ad) into master (cfe34dc) will increase coverage by 0.06%.
The diff coverage is 100.00%.

Impacted file tree graph

@@            Coverage Diff             @@
##           master     #961      +/-   ##
==========================================
+ Coverage   98.12%   98.18%   +0.06%     
==========================================
  Files          44       45       +1     
  Lines        1975     2041      +66     
==========================================
+ Hits         1938     2004      +66     
  Misses         29       29              
  Partials        8        8              
Impacted Files Coverage Δ
zapcore/buffered_write_syncer.go 100.00% <100.00%> (ø)
zaptest/observer/observer.go 100.00% <0.00%> (ø)

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These methods should not panic if called without `Write` first (which is
what starts the background goroutine).
Writing `BufferedWriteSyncer{WriteSyncer: ...}` is a mouthful. Let's
go for something short and obvious like:

```
package io

type LimitedReader struct {
    R Reader // underlying reader
    N int64  // max bytes remaining
}
```
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@abhinav abhinav merged commit aa3e73e into master Jun 8, 2021
@abhinav abhinav deleted the buffered-writer branch June 8, 2021 23:51
@akshayjshah
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This is awesome! Glad to see that buffering finally made it in :)

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5 participants