Re: Proposal for adding O_DIRECT support into JDK 9

2016-08-27 Thread Alan Bateman
On 26/08/2016 23:31, Lu, Yingqi wrote: Dear All, This is a proposal for adding O_DIRECT support into JDK 9 for reading/writing from/to a file on Linux platform. O_DIRECT is a file-open flag to pass to OPEN (2). It tries to minimize cache effects of the I/O to and from this file. File I/O is

Re: Fwd: RFR 8163798: Add a versionedStream method to JarFile

2016-08-27 Thread Alan Bateman
On 26/08/2016 20:27, Steve Drach wrote: : The public “interface” for a multi-release jar is the set of public or protected classes in the base (or root) section of the jar. By definition, no new (i.e. without a corresponding base class) public or protected classes can be contained in a vers

Re: RFR JDK-8066577: Cleanup and make better use of the stream API in the jrtfs code

2016-08-27 Thread Alan Bateman
On 26/08/2016 17:48, Xueming Shen wrote: Hi, This is a aged rfe from Paul's code review comments for the old code. base. The implementation has been changed lots since. Some has gone, some has been updated accordingly. Just went through the list and here is the change set for some minor iss

Re: RFR JDK-8066577: Cleanup and make better use of the stream API in the jrtfs code

2016-08-27 Thread Paul Sandoz
> On 27 Aug 2016, at 00:57, Alan Bateman wrote: > > On 26/08/2016 17:48, Xueming Shen wrote: > >> Hi, >> >> This is a aged rfe from Paul's code review comments for the old code. base. >> The >> implementation has been changed lots since. Some has gone, some has been >> updated >> accordingl

Re: Proposal for adding O_DIRECT support into JDK 9

2016-08-27 Thread Lu, Yingqi
The workload we have uses fis/fos/raf, that is why we started here following the example of other file open flags. We can surely look into filechannel extended open options to see if it fits better there. Thanks, Lucy Sent from my iPhone > On Aug 27, 2016, at 12:43 AM, Alan Bateman wrote: >