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  1. 17 11月, 2017 1 次提交
  3. 01 11月, 2017 1 次提交
  5. 20 10月, 2017 1 次提交
    • S
      Make FIFO compaction options dynamically configurable · f0804db7
      由 Sagar Vemuri 提交于 
      Summary:
ColumnFamilyOptions::compaction_options_fifo and all its sub-fields can be set dynamically now.

Some of the ways in which the fifo compaction options can be set are:
- `SetOptions({{"compaction_options_fifo", "{max_table_files_size=1024}"}})`
- `SetOptions({{"compaction_options_fifo", "{ttl=600;}"}})`
- `SetOptions({{"compaction_options_fifo", "{max_table_files_size=1024;ttl=600;}"}})`
- `SetOptions({{"compaction_options_fifo", "{max_table_files_size=51;ttl=49;allow_compaction=true;}"}})`

Most of the code has been made generic enough so that it could be reused later to make universal options (and other such nested defined-types) dynamic with very few lines of parsing/serializing code changes.
Introduced a few new functions like `ParseStruct`, `SerializeStruct` and `GetStringFromStruct`.
The duplicate code in `GetStringFromDBOptions` and `GetStringFromColumnFamilyOptions` has been moved into `GetStringFromStruct`. So they become just simple wrappers now.
Closes https://github.com/facebook/rocksdb/pull/3006

Differential Revision: D6058619

Pulled By: sagar0

fbshipit-source-id: 1e8f78b3374ca5249bb4f3be8a6d3bb4cbc52f92
      f0804db7
  7. 04 10月, 2017 1 次提交
  9. 28 9月, 2017 1 次提交
    • Q
      Make bytes_per_sync and wal_bytes_per_sync mutable · 6a541afc
      由 Quinn Jarrell 提交于 
      Summary:
SUMMARY
Moves the bytes_per_sync and wal_bytes_per_sync options from immutableoptions to mutable options. Also if wal_bytes_per_sync is changed, the wal file and memtables are flushed.
TEST PLAN
ran make check
all passed

Two new tests SetBytesPerSync, SetWalBytesPerSync check that after issuing setoptions with a new value for the var, the db options have the new value.
Closes https://github.com/facebook/rocksdb/pull/2893

Reviewed By: yiwu-arbug

Differential Revision: D5845814

Pulled By: TheRushingWookie

fbshipit-source-id: 93b52d779ce623691b546679dcd984a06d2ad1bd
      6a541afc
  11. 16 7月, 2017 1 次提交
  13. 27 6月, 2017 1 次提交
    • E
      Encryption at rest support · 51778612
      由 Ewout Prangsma 提交于 
      Summary:
This PR adds support for encrypting data stored by RocksDB when written to disk.

It adds an `EncryptedEnv` override of the `Env` class with matching overrides for sequential&random access files.
The encryption itself is done through a configurable `EncryptionProvider`. This class creates is asked to create `BlockAccessCipherStream` for a file. This is where the actual encryption/decryption is being done.
Currently there is a Counter mode implementation of `BlockAccessCipherStream` with a `ROT13` block cipher (NOTE the `ROT13` is for demo purposes only!!).

The Counter operation mode uses an initial counter & random initialization vector (IV).
Both are created randomly for each file and stored in a 4K (default size) block that is prefixed to that file. The `EncryptedEnv` implementation is such that clients of the `Env` class do not see this prefix (nor data, nor in filesize).
The largest part of the prefix block is also encrypted, and there is room left for implementation specific settings/values/keys in there.

To test the encryption, the `DBTestBase` class has been extended to consider a new environment variable called `ENCRYPTED_ENV`. If set, the test will setup a encrypted instance of the `Env` class to use for all tests.
Typically you would run it like this:

```
ENCRYPTED_ENV=1 make check_some
```

There is also an added test that checks that some data inserted into the database is or is not "visible" on disk. With `ENCRYPTED_ENV` active it must not find plain text strings, with `ENCRYPTED_ENV` unset, it must find the plain text strings.
Closes https://github.com/facebook/rocksdb/pull/2424

Differential Revision: D5322178

Pulled By: sdwilsh

fbshipit-source-id: 253b0a9c2c498cc98f580df7f2623cbf7678a27f
      51778612
  15. 25 5月, 2017 2 次提交
    • A
      Introduce max_background_jobs mutable option · bb01c188
      由 Andrew Kryczka 提交于 
      Summary:
- `max_background_flushes` and `max_background_compactions` are still supported for backwards compatibility
- `base_background_compactions` is completely deprecated. Now we just throttle to one background compaction when there's no pressure.
- `max_background_jobs` is added to automatically partition the concurrent background jobs into flushes vs compactions. Currently it's very simple as we just allocate one-fourth of the jobs to flushes, and the remaining can be used for compactions.
- The test cases that set `base_background_compactions > 1` needed to be updated. I just grab the pressure token such that the desired number of compactions can be scheduled.
Closes https://github.com/facebook/rocksdb/pull/2205

Differential Revision: D4937461

Pulled By: ajkr

fbshipit-source-id: df52cbbd497e13bbc9a60560a5ac2a2526b3f1f9
      bb01c188
    • S
      options.delayed_write_rate use the rate of rate_limiter by default. · 41cbb727
      由 Siying Dong 提交于 
      Summary:
It's hard for RocksDB to come up with a good default of delayed write rate. Use rate given by rate limiter if it is availalbe. This provides the I/O order of magnitude.
Closes https://github.com/facebook/rocksdb/pull/2357

Differential Revision: D5115324

Pulled By: siying

fbshipit-source-id: 341065ad2211c981fc804011c0f0e59a50c7e754
      41cbb727
  17. 04 5月, 2017 1 次提交
    • L
      Max open files mutable · e7ae4a3a
      由 Leonidas Galanis 提交于 
      Summary:
Makes max_open_files db option dynamically set-able by SetDBOptions. During the call of SetDBOptions we call SetCapacity on the table cache, which is a LRUCache.
Closes https://github.com/facebook/rocksdb/pull/2185

Differential Revision: D4979189

Pulled By: yiwu-arbug

fbshipit-source-id: ca7e8dc5e3619c79434f579be4847c0f7e56afda
      e7ae4a3a
  19. 28 4月, 2017 1 次提交
  21. 06 4月, 2017 1 次提交
  23. 21 3月, 2017 1 次提交
  25. 14 3月, 2017 1 次提交
  27. 06 12月, 2016 1 次提交
  29. 15 11月, 2016 1 次提交
  31. 13 11月, 2016 1 次提交
  33. 03 11月, 2016 1 次提交
  35. 22 10月, 2016 1 次提交
  37. 15 10月, 2016 1 次提交
  39. 28 9月, 2016 1 次提交
  41. 24 9月, 2016 1 次提交
    • Y
      Split DBOptions into ImmutableDBOptions and MutableDBOptions · 9ed928e7
      由 Yi Wu 提交于 
      Summary: Use ImmutableDBOptions/MutableDBOptions internally and DBOptions only for user-facing APIs. MutableDBOptions is barely a placeholder for now. I'll start to move options to MutableDBOptions in following diffs.

Test Plan:
  make all check

Reviewers: yhchiang, IslamAbdelRahman, sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D64065
      9ed928e7
  43. 16 9月, 2016 1 次提交
    • Y
      Fix DBOptionsTest.GetLatestOptions · 8d9bf5c4
      由 Yi Wu 提交于 
      Summary: RandomInitCFOptions will allocate a new compaction filter, which we have to delete afterward.

Test Plan: valgrind against the test

Reviewers: IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D64011
      8d9bf5c4
  45. 15 9月, 2016 1 次提交
  47. 06 8月, 2016 1 次提交
  49. 03 8月, 2016 1 次提交
    • Y
      Ignore write stall triggers when auto-compaction is disabled · ee027fc1
      由 Yi Wu 提交于 
      Summary:
My understanding is that the purpose of write stall triggers are to wait for auto-compaction to catch up. Without auto-compaction, we don't need to stall writes.

Also with this diff, flush/compaction conditions are recalculated on dynamic option change. Previously the conditions are recalculate only when write stall options are changed.

Test Plan: See the new test. Removed two tests that are no longer valid.

Reviewers: IslamAbdelRahman, sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D61437
      ee027fc1
  51. 26 7月, 2016 1 次提交
    • Y
      Disable two dynamic options tests under lite build · c6654588
      由 Yi Wu 提交于 
      Summary: RocksDB lite don't support dynamic options. Disable the two test from lite build, and assert `SetOptions` should return `status::OK`.

Test Plan: Run the db_options test under lite build and normal build.

Reviewers: sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D61119
      c6654588
  53. 13 7月, 2016 1 次提交
    • Y
      Fix deadlock when trying update options when write stalls · 6ea41f85
      由 Yi Wu 提交于 
      Summary:
When write stalls because of auto compaction is disabled, or stop write trigger is reached,
user may change these two options to unblock writes. Unfortunately we had issue where the write
thread will block the attempt to persist the options, thus creating a deadlock. This diff
fix the issue and add two test cases to detect such deadlock.

Test Plan:
Run unit tests.

Also, revert db_impl.cc to master (but don't revert `DBImpl::BackgroundCompaction:Finish` sync point) and run db_options_test. Both tests should hit deadlock.

Reviewers: sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D60627
      6ea41f85