rocksdb
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facebook
A library that provides an embeddable, persistent key-value store for fast storage.
We can see a strong correlation between increasing the number of block cache HITs and the amount of cpu used by rocksdb: Is this expected behaviour? And is there a...
This PR adds some optimization for compacting standalone range deletion files. A standalone range deletion file is one with just a single range deletion. Currently, such a file is used...
Summary: The patch adds support for the new read option `allow_unprepared_value` to the multi-column-family iterators `CoalescingIterator` and `AttributeGroupIterator`. When this option is set, these iterators populate their value (`value()` +...
I am noticing a strange issue with open file handles for deleted blob files in java using rocksdbjni. I do not see this issue in 8.11.x but I am seeing...
Build fails: ``` env/env_basic_test.cc:104:1: error: 'InstantiateTestCase_P_IsDeprecated' is deprecated: INSTANTIATE_TEST_CASE_P is deprecated, please use INSTANTIATE_TEST_SUITE_P [-Werror,-Wdeprecated-declarations] 104 | INSTANTIATE_TEST_CASE_P(EnvDefault, EnvBasicTestWithParam, | ^ /usr/local/include/gtest/gtest-param-test.h:539:38: note: expanded from macro 'INSTANTIATE_TEST_CASE_P' 539 | static_assert(::testing::internal::InstantiateTestCase_P_IsDeprecated(),...
During the RocksDB do checkpoint, can other threads perform read and write operations normally? Is it necessary to add locks when calling this function? example: thread1: ``` while(1) { (whether...
We have written a fuse file system which intentional [blocks EOF read on writing files](https://github.com/rockeet/libfuse/commit/passthrough-tailing-read). Thus when primary instance writing WAL & manifest files, EOF read on secondary instance will...
Hi everyone seeing this， I use RocksDB to save metadata of virtual disk, there are thousands of vdisk sharing one column family, bacause running thousands of CF is not a...
> Note: Please use Issues only for bug reports. For questions, discussions, feature requests, etc. post to dev group: https://groups.google.com/forum/#!forum/rocksdb or https://www.facebook.com/groups/rocksdb.dev ### Docs https://github.com/facebook/rocksdb/wiki/RocksDB-Users-and-Use-Cases#dgraph DGraph no longer use rocksdb:...
### Expected behavior This is only for rocksdbjni. In rocksdbjni, I would expect the misses to be less expensive than the hits, or at least as expensive. I have tested...
