Re: Indefinite hang in reserve_metadata_bytes on kernel 3.18.3

2015-01-30 Thread Holger Hoffstätte
On Thu, 29 Jan 2015 22:50:20 +, Steven Schlansker wrote: > Thank you for the suggestion. I did not find a 3.18.5 presented in any > form other than as a large number of *.patch files, so I went for > 3.19-rc6 instead (which I verified has this commit) 3.18.5 is out now but it shouldn't matte

Re: Indefinite hang in reserve_metadata_bytes on kernel 3.18.3

2015-01-29 Thread Steven Schlansker
Hi Holger, On Jan 29, 2015, at 2:08 AM, Holger Hoffstätte wrote: > [This mail was also posted to gmane.comp.file-systems.btrfs.] > > On Thu, 29 Jan 2015 01:44:02 +, Steven Schlansker wrote: > > [..snip..] > >> The symptoms are an endlessly increasing stream of hung tasks and high > > Pl

Re: Indefinite hang in reserve_metadata_bytes on kernel 3.18.3

2015-01-29 Thread Holger Hoffstätte
On Thu, 29 Jan 2015 01:44:02 +, Steven Schlansker wrote: [..snip..] > The symptoms are an endlessly increasing stream of hung tasks and high Please try 3.18.5 (-rc1 is good) which contains the following fix: "workqueue: fix subtle pool management issue which can stall whole worker_pool" s

Indefinite hang in reserve_metadata_bytes on kernel 3.18.3

2015-01-28 Thread Steven Schlansker
[ Please CC me on responses, I am not subscribed to the list ] Hello linux-btrfs, I am running an cluster of Docker containers managed by Apache Mesos. Until recently, we'd found btrfs to be the most reliable storage backend for Docker. But now we are having troubles where large numbers of ou