Re: [PATCH IMPROVEMENT/BUGFIX 0/4] remove start-up time outlier caused by wrong detection of cooperating processes

2018-01-05 Thread Jens Axboe
On 12/20/17 4:38 AM, Paolo Valente wrote: > Hi, > the main patch in this series ("block, bfq: let a queue be merged only > shortly after starting I/O") eliminates an outlier in the application > start-up time guaranteed by BFQ. This outlier occurs more or less > frequently, as a function of the

Re: [PATCH IMPROVEMENT/BUGFIX 0/4] remove start-up time outlier caused by wrong detection of cooperating processes

2018-01-05 Thread Jens Axboe
On 12/20/17 4:38 AM, Paolo Valente wrote: > Hi, > the main patch in this series ("block, bfq: let a queue be merged only > shortly after starting I/O") eliminates an outlier in the application > start-up time guaranteed by BFQ. This outlier occurs more or less > frequently, as a function of the

[PATCH IMPROVEMENT/BUGFIX 0/4] remove start-up time outlier caused by wrong detection of cooperating processes

2017-12-20 Thread Paolo Valente
Hi, the main patch in this series ("block, bfq: let a queue be merged only shortly after starting I/O") eliminates an outlier in the application start-up time guaranteed by BFQ. This outlier occurs more or less frequently, as a function of the characteristics of the system, and is caused by a

[PATCH IMPROVEMENT/BUGFIX 0/4] remove start-up time outlier caused by wrong detection of cooperating processes

2017-12-20 Thread Paolo Valente
Hi, the main patch in this series ("block, bfq: let a queue be merged only shortly after starting I/O") eliminates an outlier in the application start-up time guaranteed by BFQ. This outlier occurs more or less frequently, as a function of the characteristics of the system, and is caused by a