> The standard doclet works by creating `HtmlDocument` objects and then writing > them out. Writing them can be safely done on a separate thread, and doing so > results in about an 8% speedup, by overlapping the write/IO time with the > time to generate the next page to be written. > > The overall impact on the codebase is deliberately small, coming down to a > critical `if` statement in `HtmlDocletWriter` to "write now" or "write > later". As such, it is easy to disable the feature if necessary, although no > issues have been found in practice. The background writer uses an > `ExecutorService`, which provides a lot of flexibility, but experiments show > that it is sufficient to use a single background thread and to block if new > tasks come available while writing a file. > > The feature is "default on", with a hidden option to disable it if necessary.
Jonathan Gibbons has updated the pull request incrementally with one additional commit since the last revision: Downgrade BackgroundWriter config values from hidden options to "internal" system properties. ------------- Changes: - all: https://git.openjdk.java.net/jdk/pull/2665/files - new: https://git.openjdk.java.net/jdk/pull/2665/files/68702597..939cc080 Webrevs: - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=2665&range=02 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=2665&range=01-02 Stats: 146 lines in 6 files changed: 24 ins; 106 del; 16 mod Patch: https://git.openjdk.java.net/jdk/pull/2665.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/2665/head:pull/2665 PR: https://git.openjdk.java.net/jdk/pull/2665
