| commit | 656a0bab1e025ff3c27d595284a4bf1c5a8d8028 | [log] [tgz] |
|---|---|---|
| author | Philipp Wollermann <philwo@google.com> | Mon Mar 26 09:06:29 2018 -0700 |
| committer | Copybara-Service <copybara-piper@google.com> | Mon Mar 26 09:08:26 2018 -0700 |
| tree | 2307d1a23794923db1ab44e59f3e600abf380061 | |
| parent | 26e7280deecc11172c1b16637d513c2d0d242c09 [diff] |
Big round of sandbox fixes / performance improvements. - The number of stat() syscalls in the SymlinkedSandboxedSpawn was way too high. Do less, feel better. - When using --experimental_sandbox_base, ensure that symlinks in the path are resolved. Before this, you had to check whether on your system /dev/shm is a symlink to /run/shm and then use that instead. Now it no longer matters, as symlinks are resolved. - Remove an unnecessary directory creation from each sandboxed invocation. Turns out that the "tmpdir" that we created was no longer used after some changes to Bazel's TMPDIR handling. - Use simpler sandbox paths, by using the unique ID for each Spawn provided by SpawnExecutionPolicy instead of a randomly generated temp folder name. This also saves a round-trip from our VFS to NIO and back. Clean up the sandbox base before each build to ensure that the unique IDs are actually unique. ;) - Use Java 8's Process#isAlive to check whether a process is alive instead of trying to get the exitcode and catching an exception. Closes #4913. PiperOrigin-RevId: 190472170
{Fast, Correct} - Choose two
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