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This may be some kind of concurrent open/close/get bug. That is, we tend to quickly open and then close the datastore when running our tests so this could be an issue triggered by trying to "get" some…
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dev::GenericTrieDB::at(bytesConstRef _key) queries data in leveldb serveral times, which often takes millionseconds. But sometime it runs so slowly and takes more than 1 second. As a result, BlockChai…
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```
What steps will reproduce the problem?
When running Ceph storage cluster, its cluster monitor often get stuck in
leveldb::DBImpl::MakeRoomForWrite(). The LevelDB library was compiled from
source…
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# LSM-Tree 与 LevelDB 的原理和实现 · Analyze - beihai blog
LSM-Tree 被是一种面向写多读少应用场景的数据结构 ，被 Hbase、RocksDB 等面对亿级的海量数据存储和检索的 NoSQL 采用，作为这些强力数据库的底层文件组织方式。文中将会介绍 LSM-Tree 的设计思路，并分析使用这种数据结构的 LevelDB 是如何实现与优化的。
…
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### Issue Description
LevelDB Not support on Nukkit
### Steps to Reproduce the Issue
1. Copy Minecraft Bedrock Edition World -> Nukkit World folder
2. Server Start
### OS and Versions
…
ghost updated
6 years ago
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Get `database/pebbledb` ready for production so we can migrate off of leveldb.
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So far, no official database repair steps have been found, and I still have doubts about the use of leveldbutil.Trouble points out a clear way about database repair，thanks.
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We've currently barely scratched the surface of performance improvements that can be made to world I/O with LevelDB.
LevelDB is extremely nice (much nicer than Anvil) because it allows reading/writ…
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```
root@imskaaz:~/Desktop/litecoin-0.17.1# make
Making all in src
make[1]: Entering directory '/root/Desktop/litecoin-0.17.1/src'
make[2]: Entering directory '/root/Desktop/litecoin-0.17.1/src'
…
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Command run:
```yarn install
```
There are two issues: leveldb and snappy. Leveldb was solved by adding a riscv assembly macro for Atomic (will make a PR on it).
Snappy Error:
```
rm -f …