Commit Graph

30 Commits

Author SHA1 Message Date
Harshavardhana d5ce2f6944 Make erasure matrix type not optional choose automatically
Remove option of providing Technique and handling errors based on that
choose a matrix type automatically based on number of data blocks.

INTEL recommends on using cauchy for consistent invertible matrices,
while vandermonde is faster we should default to cauchy for large
data blocks.
2015-10-05 22:38:02 -07:00
Harshavardhana 4ed50a8004 Fix encoding bug in donut during encoding phase
Stream reading needs to check for length parameter being non zero,
after Reading() a predefined set of buffer length an EOF might be returned
with length == 0.

Erasure taking this zeroed data in might wrongly encode it as part of existing
data blocks which leads to errors while decoding even when the other contents
are intact.
2015-10-05 22:12:53 -07:00
Harshavardhana c8de5bad2f Implement presigned policy 2015-10-04 00:01:34 -07:00
Harshavardhana 3b070dee16 Fix an important metadata getObject bug in donut 2015-10-01 10:18:03 -07:00
Harshavardhana 45d8898019 Merge branch 'parallel-read2' of https://github.com/krishnasrinivas/minio into krishnasrinivas-parallel-read2
Make few more changes and rebased with current master
2015-09-15 17:33:33 -07:00
Anand Babu (AB) Periasamy cdf93e534c simplify probe APIs 2015-08-18 19:30:17 -07:00
Harshavardhana 45b59b8456 Probe revamped to provide for a new WrappedError struct to wrap probes as error interface
This convenience was necessary to be used for golang library functions like io.Copy and io.Pipe
where we shouldn't be writing proxies and alternatives returning *probe.Error

This change also brings more changes across code base for clear separation regarding where an error
interface should be passed encapsulating *probe.Error and where it should be used as is.
2015-08-08 00:16:38 -07:00
Harshavardhana d09fd8b0a1 Migrate from iodine to probe 2015-08-03 16:33:44 -07:00
Krishna Srinivas ee4432bc40 rename disk.OpenFile to Open which will do os.Open (which will be read-only). disk.OpenFile will do os.OpenFile (which can be rw, append) 2015-08-02 17:34:29 +05:30
Krishna Srinivas fdd2c22fa5 Do go fmt on bucket.go 2015-07-29 23:49:25 +05:30
Krishna Srinivas ae8089c9b6 when signature is not available there is no need to compute sha256 2015-07-29 21:09:02 +05:30
Krishna Srinivas bdc00624fd get erros from buffered channel. Return error during object read only if we have readers < k 2015-07-29 19:36:41 +05:30
Krishna Srinivas e1280779ed Read from the disks in parallel during object read 2015-07-28 18:04:17 +05:30
Harshavardhana e082f26e10 Improving EncoderStream to return error only upon non io.EOF.
io.EOF is okay since io.ReadFull will not have read any bytes at all.

Also making error channel receive only for go routine.
2015-07-25 15:57:30 -07:00
Krishna Srinivas bcfaa12a4d Encoder now directly reads from the object stream. Using split.Stream() was causing lot of redundant memory operations. 2015-07-26 03:54:39 +05:30
Harshavardhana 63c9cf0c4b Move from Minimalist Object Storage to Minio Cloud Storage 2015-07-24 17:51:40 -07:00
Harshavardhana 43c908d5b9 ListObjects now considers multipart objects, also move to upstream check.v1 2015-07-18 15:49:41 -07:00
Harshavardhana c1da10a207 Donut multipart support no get, listobjects() support yet 2015-07-17 16:23:51 -07:00
Harshavardhana e37c5315ec Live multiple disk removal works properly 2015-07-14 20:46:14 -07:00
Harshavardhana e1e4908515 Wire up sha512 matching inside donut along with md5sum 2015-07-14 19:47:50 -07:00
Harshavardhana e885259584 Handle removal of disks - getObject() now reads if disks are missing underneath, add initial stub healing code 2015-07-14 18:53:00 -07:00
Harshavardhana 634f70f3b0 WriteObject() encoded data in go routine, fix another multipart issue 2015-07-13 15:56:54 -07:00
Harshavardhana 29838bb851 Cleanup temporary writers upon errors during putObject(), all metadata() write operations 2015-07-10 14:11:04 -07:00
Harshavardhana 15dd0df187 Support signature v4 at rest 2015-07-10 11:49:27 -07:00
Harshavardhana d1deda3a96 Add API tests for both donut on disk and donut cache 2015-07-07 19:39:46 -07:00
Harshavardhana 3622fbc87d Across donut, split, nimble some code cleanup 2015-07-06 21:55:21 -07:00
Harshavardhana bbb89b5776 Add multi-thread protection and also allow atomic file creates, rename upon Close() 2015-07-06 18:54:32 -07:00
Harshavardhana 14844f48dd Make donut do everything as an atomic operation, this avoids all the deadlocks and races 2015-07-03 17:16:58 -07:00
Harshavardhana 30fc14e703 Restructure codebase move crypto, checksum to top-level, move ``split`` into donut, move crypto/keys into api/auth 2015-07-03 15:24:51 -07:00
Harshavardhana 8a4e7bcdcf Add full API tests, move storage/donut to donut, add disk tests as well 2015-07-03 14:36:29 -07:00