/tags/write-ahead-log/ Recent content in write-ahead-log on Bad Fd Hugo -- gohugo.io zh-cn Tue, 09 Mar 2021 00:00:00 +0000 /posts/db_wal-recovery-would-cleanup-at-least-the-first-wal/ Tue, 09 Mar 2021 00:00:00 +0000 /posts/db_wal-recovery-would-cleanup-at-least-the-first-wal/ <p>这段时间跟同事尝试修复长期以来项目中遗留的Rocksdb的Case，遇到些有意思的Case，这里记录一下。</p> <h2 id="heading"></h2> <h2 id="some-tips-for-rocksdb-case-fixing">some tips for rocksdb case fixing</h2> <ol> <li> <p>对于不支持<code>-march=native</code>环境的，可以编译时<code>export USE_SSE=1</code>.避免类似<code>no such instruction: </code>shlx %r13,%rax,%rax'`的问题。</p> </li> <li> <p>对于rocksdb的测试case，想保留测试db的，可以搞个<code>KEEP_DB</code>环境变量。测试类会根据这个环境变量决定是否清理测试DB。</p> </li> </ol>