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11 Commits

Author SHA1 Message Date
Harshavardhana e3e0532613
cleanup markdown docs across multiple files (#14296) 
enable markdown-linter
 2022-02-11 16:51:25 -08:00
Harshavardhana 76e2713ffe
fix: use buffers only when necessary for io.Copy() (#11229) 
Use separate sync.Pool for writes/reads

Avoid passing buffers for io.CopyBuffer()
if the writer or reader implement io.WriteTo or io.ReadFrom
respectively then its useless for sync.Pool to allocate
buffers on its own since that will be completely ignored
by the io.CopyBuffer Go implementation.

Improve this wherever we see this to be optimal.

This allows us to be more efficient on memory usage.
```
   385  // copyBuffer is the actual implementation of Copy and CopyBuffer.
   386  // if buf is nil, one is allocated.
   387  func copyBuffer(dst Writer, src Reader, buf []byte) (written int64, err error) {
   388  	// If the reader has a WriteTo method, use it to do the copy.
   389  	// Avoids an allocation and a copy.
   390  	if wt, ok := src.(WriterTo); ok {
   391  		return wt.WriteTo(dst)
   392  	}
   393  	// Similarly, if the writer has a ReadFrom method, use it to do the copy.
   394  	if rt, ok := dst.(ReaderFrom); ok {
   395  		return rt.ReadFrom(src)
   396  	}
```

From readahead package
```
// WriteTo writes data to w until there's no more data to write or when an error occurs.
// The return value n is the number of bytes written.
// Any error encountered during the write is also returned.
func (a *reader) WriteTo(w io.Writer) (n int64, err error) {
	if a.err != nil {
		return 0, a.err
	}
	n = 0
	for {
		err = a.fill()
		if err != nil {
			return n, err
		}
		n2, err := w.Write(a.cur.buffer())
		a.cur.inc(n2)
		n += int64(n2)
		if err != nil {
			return n, err
		}
```
 2021-01-06 09:36:55 -08:00
kannappanr 5ecac91a55
Replace Minio refs in docs with MinIO and links (#7494) 2019-04-09 11:39:42 -07:00
kannappanr f8a3fd0c2a
Create logger package and rename errorIf to LogIf (#5678) 
Removing message from error logging
Replace errors.Trace with LogIf
 2018-04-05 15:04:40 -07:00
poornas b7536570f8 update docs for NAS gateway (#5569) 2018-02-22 09:15:19 +05:30
Harshavardhana 8efa82126b
Convert errors tracer into a separate package (#5221) 2017-11-25 11:58:29 -08:00
Nitish Tiwari 6d5d49bfb1 Update CLI examples to be in sync with examples used on Minio website (#4920) 2017-09-14 19:17:42 -07:00
Harshavardhana 075b8903d7 fs: Add safe locking semantics for `format.json` (#4523) 
This patch also reverts previous changes which were
merged for migration to the newer disk format. We will
be bringing these changes in subsequent releases. But
we wish to add protection in this release such that
future release migrations are protected.

Revert "fs: Migration should handle bucketConfigs as regular objects. (#4482)"
This reverts commit 976870a391.

Revert "fs: Migrate object metadata to objects directory. (#4195)"
This reverts commit 76f4f20609.
 2017-06-12 17:40:28 -07:00
Harshavardhana 76f4f20609 fs: Migrate object metadata to objects directory. (#4195) 
Fixes #3352
 2017-05-05 08:49:09 -07:00
Nitish Tiwari d4eea224d4 Remove white spaces (#3922) 2017-03-17 09:23:22 -07:00
Harshavardhana 1c699d8d3f fs: Re-implement object layer to remember the fd (#3509) 
This patch re-writes FS backend to support shared backend sharing locks for safe concurrent access across multiple servers.
 2017-01-16 17:05:00 -08:00