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Author SHA1 Message Date
Harshavardhana 38ccc4f672
fix: make sure to avoid calling RenameData() on disconnected disks. (#14094) 
Large clusters with multiple sets, or multi-pool setups at times might
fail and report unexpected "file not found" errors. This can become
a problem during startup sequence when some files need to be created
at multiple locations.

- This PR ensures that we nil the erasure writers such that they
  are skipped in RenameData() call.

- RenameData() doesn't need to "Access()" calls for `.minio.sys`
  folders they always exist.

- Make sure PutObject() never returns ObjectNotFound{} for any
  errors, make sure it always returns "WriteQuorum" when renameData()
  fails with ObjectNotFound{}. Return appropriate errors for all
  other cases.
 2022-01-12 18:49:01 -08:00
Harshavardhana 737a3f0bad
fix: decommission bugfixes found during migration of .minio.sys/config (#14078) 2022-01-10 17:26:00 -08:00
Klaus Post 0e31cff762
fix: DeleteMultipleObjects to finish even if cancelled + concurrent sets (#14038) 
* Process sets concurrently.
* Disconnect context from request.
* Insert context cancellation checks.
* errFileNotFound and errFileVersionNotFound are ok, unless creating delete markers.
 2022-01-06 10:47:49 -08:00
Harshavardhana f527c708f2
run gofumpt cleanup across code-base (#14015) 2022-01-02 09:15:06 -08:00
Harshavardhana 0e3037631f
skip inconsistent shards if possible (#13945) 
data shards were wrong due to a healing bug
reported in #13803 mainly with unaligned object
sizes.

This PR is an attempt to automatically avoid
these shards, with available information about
the `xl.meta` and actually disk mtime.
 2021-12-21 10:08:26 -08:00
Harshavardhana 5f7e6d03ff
copy bucket slice to avoid skipping .minio.sys/buckets (#13912) 
healing was skipping `.minio.sys/buckets` path so
essentially not healing `.usage.json` - fix this
by making a copy of `buckets` slice.
 2021-12-15 09:18:09 -08:00
Harshavardhana 3b79f7e4ae
ignore if volume exists in MakeVolBulk, return other errors (#13866) 2021-12-09 15:55:42 -08:00
Harshavardhana a7c430355a
fix: throw appropriate errors when all disks fail (#13820) 
when all disks fail with same error, fail server
startup anyways - we cannot proceed.

fixes #13818
 2021-12-03 09:25:17 -08:00
Klaus Post 3db931dc0e
Improve listing consistency with version merging (#13723) 2021-12-02 11:29:16 -08:00
Harshavardhana b280a37c4d
add delete-marker proactively in DeleteObject() (#13795) 
single object delete was not working properly
on a bucket when versioning was suspended,
current version 'null' object was never removed.

added unit tests to cover the behavior

fixes #13783
 2021-11-30 18:30:06 -08:00
Harshavardhana c791de0e1e
re-implement pickValidInfo dataDir, move to quorum calculation (#13681) 
dataDir loosely based on maxima is incorrect and does not
work in all situations such as disks in the following order

- xl.json migration to xl.meta there may be partial xl.json's
  leftover if some disks are not yet connected when the disk
  is yet to come up, since xl.json mtime and xl.meta is
  same the dataDir maxima doesn't work properly leading to
  quorum issues.

- its also possible that XLV1 might be true among the disks
  available, make sure to keep FileInfo based on common quorum
  and skip unexpected disks with the older data format.

Also, this PR tests upgrade from older to a newer release if the 
data is readable and matches the checksum.

NOTE: this is just initial work we can build on top of this to do further tests.
 2021-11-21 10:41:30 -08:00
Krishnan Parthasarathi 3da9ee15d3
Add MaxNoncurrentVersions to NoncurrentExpiration action (#13580) 
This unit allows users to limit the maximum number of noncurrent 
versions of an object.

To enable this rule you need the following *ilm.json*
```
cat >> ilm.json <<EOF
{
    "Rules": [
        {
            "ID": "test-max-noncurrent",
            "Status": "Enabled",
            "Filter": {
                "Prefix": "user-uploads/"
            },
            "NoncurrentVersionExpiration": {
                "MaxNoncurrentVersions": 5
            }
        }
    ]
}
EOF
mc ilm import myminio/mybucket < ilm.json
```
 2021-11-19 17:54:10 -08:00
Klaus Post faf013ec84
Improve performance on multiple versions (#13573) 
Existing:

```go
type xlMetaV2 struct {
    Versions []xlMetaV2Version `json:"Versions" msg:"Versions"`
}
```

Serialized as regular MessagePack.

```go
//msgp:tuple xlMetaV2VersionHeader
type xlMetaV2VersionHeader struct {
	VersionID [16]byte
	ModTime   int64
	Type      VersionType
	Flags     xlFlags
}
```

Serialize as streaming MessagePack, format:

```
int(headerVersion)
int(xlmetaVersion)
int(nVersions)
for each version {
    binary blob, xlMetaV2VersionHeader, serialized
    binary blob, xlMetaV2Version, serialized.
}
```

xlMetaV2VersionHeader is <= 30 bytes serialized. Deserialized struct 
can easily be reused and does not contain pointers, so efficient as a 
slice (single allocation)

This allows quickly parsing everything as slices of bytes (no copy).

Versions are always *saved* sorted by modTime, newest *first*. 
No more need to sort on load.

* Allows checking if a version exists.
* Allows reading single version without unmarshal all.
* Allows reading latest version of type without unmarshal all.
* Allows reading latest version without unmarshal of all.
* Allows checking if the latest is deleteMarker by reading first entry.
* Allows adding/updating/deleting a version with only header deserialization.
* Reduces allocations on conversion to FileInfo(s).
 2021-11-18 12:15:22 -08:00
Harshavardhana 886262e58a
heal legacy objects when versioning is enabled after upgrade (#13671) 
legacy objects in 'xl.json' after upgrade, should have
following sequence of events - bucket should have versioning
enabled and the object should have been overwritten with
another version of an object.

this situation was not handled, which would lead to older
objects to stay perpetually with "legacy" dataDir, however
these objects were readable by all means - there weren't
converted to newer format.

This PR fixes this situation properly.
 2021-11-17 15:49:12 -08:00
Harshavardhana 661b263e77
add gocritic/ruleguard checks back again, cleanup code. (#13665) 
- remove some duplicated code
- reported a bug, separately fixed in #13664
- using strings.ReplaceAll() when needed
- using filepath.ToSlash() use when needed
- remove all non-Go style comments from the codebase

Co-authored-by: Aditya Manthramurthy <donatello@users.noreply.github.com>
 2021-11-16 09:28:29 -08:00
Harshavardhana bb639d9f29
remove double reads delete versions (#13544) 
deleting collection of versions belonging
to same object, we can avoid re-reading
the xl.meta from the disk instead purge
all the requested versions in-memory,

the tradeoff is to allocate a map to de-dup
the versions, allow disks to be read only
once per object.

additionally reduce the data transfer between
nodes by shortening msgp data values.
 2021-11-01 10:50:07 -07:00
Klaus Post c603f85488
readAllData: Reuse small file buffers (#13530) 
(Re)use small buffers for small readAllData operations.
 2021-10-28 17:02:22 -07:00
Krishnan Parthasarathi 939fbb3c38
ilm: Make per-tier stats available via admin-tier-info (#13381) 2021-10-23 18:38:33 -07:00
Klaus Post 23d6770ff9
Inspect: Preserve permission flags (#13490) 
Preserve permission from disk files. Can help identify issues.

Refactor GetRawData function to be cleaner.
 2021-10-21 11:20:13 -07:00
Harshavardhana ac36a377b0
fix: remove deprecated jwks_url from config KV (#13477) 2021-10-20 11:31:09 -07:00
Harshavardhana d693431183
fix: ReadFileStream should return an error when size mismatches (#13435) 
offset+length should match the Size() of the individual parts
return 'errFileCorrupt' otherwise, to trigger healing of the individual 
parts do not error out prematurely when healing such bitrot's upon
successful parts being written to the client.

another issue this PR fixes is to not return and error to
the client if we have just triggered a heal on a specific
part of the object, instead continue to read all the content
and let the heal happen asynchronously later.
 2021-10-13 19:49:14 -07:00
Harshavardhana f8c5c24159
force delete should just use rename() (#13417) 
use rename() instead of forced blocking
delete call, faster for large namespaces.
 2021-10-12 09:24:00 -07:00
Harshavardhana f5a55c44d4
fix: do not overwrite error on fallback. (#13415) 
older content was returning '404' upon headObject()
due to swallowing of the error, make sure the
error is handling independently.

fixes #13397
 2021-10-11 19:48:42 -07:00
Klaus Post 75699a3825
Add basic scanner metrics (#13317) 
Add number of objects/versions/folders scanned as well as ILM action outcomes.
 2021-10-02 09:31:05 -07:00
Klaus Post bc6067d195
Add admin inspect Glob support (#13328) 
* Add admin Glob support

Allow returning multiple files on inspect calls.

```
λ mc admin inspect --json local2/testbucket/nyc-taxi-data-10M.csv.zst/*

...

λ unzip -l inspect.5f0643b2.zip

Archive:  inspect.5f0643b2.zip
  Length      Date    Time    Name
---------  ---------- -----   ----
        0  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/
      802  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/xl.meta
        0  2021-09-03 12:50   192.168.1.78:9001/cb7440ef-f0d9-42a8-b137-f00f519276ca/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/
      802  2021-09-03 12:50   192.168.1.78:9001/cb7440ef-f0d9-42a8-b137-f00f519276ca/testbucket/nyc-taxi-data-10M.csv.zst/xl.meta
        0  2021-09-03 12:50   192.168.1.78:9001/759cd5ac-7860-4cf3-acad-a375fcbae338/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/
      802  2021-09-03 12:50   192.168.1.78:9001/759cd5ac-7860-4cf3-acad-a375fcbae338/testbucket/nyc-taxi-data-10M.csv.zst/xl.meta
        0  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/
      802  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/xl.meta
---------                     -------
     3208                     8 files
```

Using fully recursive:

```
λ  mc admin inspect local2/testbucket/nyc-taxi-data-10M.csv.zst/**

...

Archive:  inspect.79c261cb.zip
  Length      Date    Time    Name
---------  ---------- -----   ----
        0  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/
        0  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.1
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.10
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.11
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.12
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.13
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.14
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.15
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.16
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.17
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.18
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.19
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.2
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.20
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.21
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.22
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.23
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.24
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.25
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.26
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.27
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.28
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.29
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.3
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.30
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.31
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.32
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.33
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.34
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.35
  3439368  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.36
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.4
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.5
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.6
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.7
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.8
  4194816  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.9
      802  2021-09-03 12:50   192.168.1.78:9001/a221edde-48fe-45f5-ad32-3bc7131c7659/testbucket/nyc-taxi-data-10M.csv.zst/xl.meta
        0  2021-09-03 12:50   192.168.1.78:9001/cb7440ef-f0d9-42a8-b137-f00f519276ca/testbucket/nyc-taxi-data-10M.csv.zst/
        0  2021-09-03 12:50   192.168.1.78:9001/cb7440ef-f0d9-42a8-b137-f00f519276ca/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/
  4194816  2021-09-03 12:50   192.168.1.78:9001/cb7440ef-f0d9-42a8-b137-f00f519276ca/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.1
  4194816  2021-09-03 12:50   192.168.1.78:9001/cb7440ef-f0d9-42a8-b137-f00f519276ca/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.10
  4194816  2021-09-03 12:50   192.168.1.78:9001/cb7440ef-f0d9-42a8-b137-f00f519276ca/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.11
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  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.15
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.16
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.17
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.18
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.19
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.2
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.20
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.21
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.22
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.23
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.24
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.25
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.26
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.27
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.28
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.29
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.3
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.30
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.31
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.32
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.33
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.34
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.35
  3439368  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.36
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.4
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.5
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.6
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.7
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.8
  4194816  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/18a50b3e-3c56-418e-a045-ad5c58c1d44b/part.9
      802  2021-09-09 15:56   192.168.1.78:9001/2b48619c-c2fa-4e69-839e-58fc82c1b43e/testbucket/nyc-taxi-data-10M.csv.zst/xl.meta
---------                     -------
601034920                     156 files

```

Furthermore allow `inspect` to do direct decode from `mc`, for example:

```
λ mc admin inspect --json local2/testbucket/nyc-taxi-data-10M.csv.zst/*|inspect -json
Output decrypted to inspect.5f0643b2.zip
```

- Correct error, forward non-EOF errors.
- Add some extra safety. Log FNF when no files.
- Add `xl-meta` zip support.
For `xl-meta` multiple inputs output object with names as key.
Automatically switches `xl-meta` to single-line output when multiple objects.
Add double-star wildcard support to xl-meta input.

Co-authored-by: Harshavardhana <harsha@minio.io>
 2021-10-01 11:50:00 -07:00
Harshavardhana d00ff3c453
use O_DIRECT for all ReadFileStream (#13324) 
This PR also removes #13312 to ensure
that we can use a better mechanism to
handle page-cache, using O_DIRECT
even for Range GETs.
 2021-09-29 16:40:28 -07:00
Harshavardhana 38027c8f52
use fadvise to control Linux page-cache (#13312) 
This PR brings two optimizations mainly
for page-cache build-up and how to avoid
getting OOM killed in the process. Although
these memories are reclaimable Linux is not
fast enough to reclaim them as needed on a
very busy system. fadvise is a system call
implemented in Linux to advise page-cache to
avoid overload as we get significant amount
of requests on the server.

- FADV_SEQUENTIAL tells that all I/O from now
  is going to be sequential, allowing for more
  resposive throughput.

- FADV_NOREUSE tells kernel to start removing
  things for this 'fd' from page-cache.
 2021-09-28 10:02:56 -07:00
Poorna Krishnamoorthy c4373ef290
Add support for multi site replication (#12880) 2021-09-18 13:31:35 -07:00
Harshavardhana 1a884cd8e1
fix: deleting objects was not working after upgrades (#13242) 
DeleteObject() on existing objects before `xl.json` to
`xl.meta` change were not working, not sure when this
regression was added. This PR fixes this properly.

Also this PR ensures that we perform rename of xl.json
to xl.meta only during "write" phase of the call i.e
either during Healing or PutObject() overwrites.

Also handles few other scenarios during migration where
`backendEncryptedFile` was missing deleteConfig() will
fail with `configNotFound` this case was not ignored,
which can lead to failure during upgrades.
 2021-09-17 19:34:48 -07:00
Harshavardhana 5ed781a330
check for context canceled after competing for locks (#13239) 
once we have competed for locks, verify if the
context is still valid - this is to ensure that
we do not start readdir() or read() calls on the
drives on canceled connections.
 2021-09-17 14:11:01 -07:00
Harshavardhana 66fcd02aa2
de-couple walkMu and walkReadMu for some granularity (#13231) 
This commit brings two locks instead of single lock for
WalkDir() calls on top of c25816eabc.

The main reason is to avoid contention between readMetadata()
and ListDir() calls, ListDir() can take time on prefixes that
are huge for readdir() but this shouldn't end up blocking
all readMetadata() operations, this allows for more room for
I/O while not overly penalizing all listing operations.
 2021-09-17 12:14:12 -07:00
Klaus Post bf5bfe589f
xlmeta: Recover corrupted metadata (#13205) 
When unable to load existing metadata new versions 
would not be written. This would leave objects in a 
permanently unrecoverable state

Instead, start with clean metadata and write the incoming data.
 2021-09-14 11:34:25 -07:00
Klaus Post 470553ff5d
Tweak readall allocation and renameData buffer reuse (#13108) 
Use a single allocation for reading the file, not the growing buffer of `io.ReadAll`.

Reuse the write buffer if we can when writing metadata in RenameData.
 2021-08-30 08:38:11 -07:00
Poorna Krishnamoorthy 27f895cf2c
Check pathlength before reading metadata (#13080) 
fixes bug where the server returns 503 instead of 400 if 
objectName is longer than 255 characters

Fixes regression introduced in #12942
 2021-08-26 16:23:12 -07:00
Harshavardhana c11a2ac396
refactor healing to remove certain structs (#13079) 
- remove sourceCh usage from healing
  we already have tasks and resp channel

- use read locks to lookup globalHealConfig

- fix healing resolver to pick candidates quickly
  that need healing, without this resolver was
  unexpectedly skipping.
 2021-08-26 14:06:04 -07:00
Klaus Post 88d719689c
Synchronize bucket cycle numbers (#13058) 
Synchronize bucket cycles so it is much more
likely that the same prefixes will be picked up
for scanning.

Use the global bloom filter cycle for that. 
Bump bloom filter versions to clear those.
 2021-08-25 08:25:26 -07:00
Krishnan Parthasarathi db35bcf2ce
heal: Remove transitioned objects' parts from outdated disks (#13018) 
Bonus: check equality for replication and other metadata
 2021-08-23 13:14:55 -07:00
Klaus Post 1080609c86
Reuse buffers when writing metadata (#13040) 
Simplify returning buffers.

Tested using `warp mixed --duration=1m --obj.size=100K`:

```
Operation: DELETE
Operations: 7148 -> 7642
* Average: +6.77% (+8.1) obj/s
-------------------
Operation: GET
Operations: 32200 -> 34403
* Average: +6.74% (+3.5 MiB/s) throughput, +6.74% (+36.2) obj/s
* First Byte: Average: -105.403µs (-3%), Median: -309µs (-11%), Best: -2.7µs (-0%), Worst: +3.5637ms (+3%)
-------------------
Operation: PUT
Operations: 10741 -> 11475
* Average: +6.78% (+1.2 MiB/s) throughput, +6.78% (+12.1) obj/s
-------------------
Operation: STAT
Operations: 21465 -> 22927
* Average: +6.71% (+24.0) obj/s
```
 2021-08-23 11:17:27 -07:00
Harshavardhana 0f01e7ef0f
fix: check for xl.meta as directory fallback (#13023) 
Objects uploaded in this format for example

```
mc cp /etc/hosts alias/bucket/foo/bar/xl.meta
mc ls -r alias/bucket/foo/bar
```

Won't list the object, handle this scenario.
 2021-08-21 00:12:29 -07:00
Klaus Post c25816eabc
xl walk: Limit walk concurrent IO (#12885) 
We are observing heavy system loads, potentially
locking the system up for periods when concurrent
listing operations are performed.

We place a per-disk lock on walk IO operations.
This will minimize the impact of concurrent listing
operations on the entire system and de-prioritize
them compared to other operations.

Single list operations should remain largely unaffected.
 2021-08-18 18:10:36 -07:00
Klaus Post 24722ddd02
Remove inline data hack (#12946) 
move the code down to the storage layer,
this logic decouples the inline data from the 
size parameter making it flexible and future
proof.
 2021-08-13 08:25:54 -07:00
Klaus Post 89febdb3d6
Reuse small buffers (#12948) 
When reading metadata allow reuse of buffers 
in certain cases. Take the low-hanging fruit.

Reduce GC overhead when listing.
 2021-08-12 14:27:22 -07:00
Klaus Post 3eac02f676
Use metadata reader in ReadVersion (#12942) 
Use `readMetadata` when reading version 
information without data requested. 

Reduces IO on inlined data.

Bonus: Inline compressed data as well when 
compression is enabled.
 2021-08-12 10:05:24 -07:00
Harshavardhana 40a2fa8e81
fix: add more optimizations to putMetacacheObject() (#12916) 
- avoid extra lookup for 'xl.meta' since we are
  definitely sure that it doesn't exist.

- use this in newMultipartUpload() as well

- also additionally do not write with O_DSYNC
  to avoid loading the drives, instead create
  'xl.meta' for listing operations without
  O_DSYNC since these are ephemeral objects.

- do the same with newMultipartUpload() since
  it gets synced when the PutObjectPart() is
  attempted, we do not need to tax newMultipartUpload()
  instead.
 2021-08-10 11:12:22 -07:00
Harshavardhana 035882d292
fix: remove parentIsObject() check (#12851) 
we will allow situations such as

```
a/b/1.txt
a/b
```

and

```
a/b
a/b/1.txt
```

we are going to document that this usecase is
not supported and we will never support it, if
any application does this users have to delete
the top level parent to make sure namespace is
accessible at lower level.

rest of the situations where the prefixes get
created across sets are supported as is.
 2021-08-03 13:26:57 -07:00
Harshavardhana bfbdb8f0a8
fix: incorrect O_DIRECT behavior for reads (#12811) 
O_DIRECT behavior was broken and it was still
caching all the reads, this change properly fixes
this behavior.
 2021-07-28 11:20:16 -07:00
Krishna Srinivas aa0c28809b
Server side speedtest implementation (#12750) 2021-07-27 12:55:56 -07:00
Harshavardhana 0c666379fe
fix: avoid removing healed parts on dstDataPath (#12795) 
destination path and old path will be similar
when healing occurs, this can lead to healed
parts being again purged leading to always an
inconsistent state on an object which might
further cause reduction in quorum eventually.
 2021-07-26 15:15:34 -07:00
Harshavardhana e124d88788
optimize listing operation concurrency (#12728) 
- remove use of getOnlineDisks() instead rely on fallbackDisks()
  when disk return errors like diskNotFound, unformattedDisk
  use other fallback disks to list from, instead of paying the
  price for checking getOnlineDisks()

- optimize getDiskID() further to avoid large write locks when
  looking formatLastCheck time window

This new change allows for a more relaxed fallback for listing
allowing for more tolerance and also eventually gain more
consistency in results even if using '3' disks by default.
 2021-07-24 22:03:38 -07:00
Krishnan Parthasarathi 29eea52e14
Skip transitioning of object versions if inlined (#12705) 2021-07-16 09:38:27 -07:00