Re: Implications of ramping up max_hint_window_in_ms

2015-01-06 Thread Robert Coli
On Tue, Jan 6, 2015 at 11:14 AM, Ryan Svihla wrote: > woops wrong thread..ignore that :) Robert is correct in this regard by and > large even though I disagree with the tradeoff, as my experience has shown > me, for a lot of use cases it's not a happy tradeoff, YMMV and there are > some that do e

Re: Implications of ramping up max_hint_window_in_ms

2015-01-06 Thread Ryan Svihla
woops wrong thread..ignore that :) Robert is correct in this regard by and large even though I disagree with the tradeoff, as my experience has shown me, for a lot of use cases it's not a happy tradeoff, YMMV and there are some that do exist (low write throughput). On Tue, Jan 6, 2015 at 12:58 PM,

Re: Implications of ramping up max_hint_window_in_ms

2015-01-06 Thread Ryan Svihla
as long as they know how to handle node recovery and don't inflict return data back from the dead that was deleted. On Tue, Jan 6, 2015 at 12:52 PM, Robert Coli wrote: > On Tue, Jan 6, 2015 at 7:39 AM, Ryan Svihla wrote: > >> In general today, large amounts of hints still pretty much makes a no

Re: Implications of ramping up max_hint_window_in_ms

2015-01-06 Thread Robert Coli
On Tue, Jan 6, 2015 at 7:39 AM, Ryan Svihla wrote: > In general today, large amounts of hints still pretty much makes a node > angry (just no longer nearly as nasty as it was before), unless you have a > really low throughput, you're probably not going to gain much in practice > by raising the hi

Re: Implications of ramping up max_hint_window_in_ms

2015-01-06 Thread Ryan Svihla
In general today, large amounts of hints still pretty much makes a node angry (just no longer nearly as nasty as it was before), unless you have a really low throughput, you're probably not going to gain much in practice by raising the hints window today. Later on when we get file system based hin

Re: Implications of ramping up max_hint_window_in_ms

2015-01-05 Thread Jens Rantil
Thanks for input, Rob. Just making sure, is "older version" the same as "less than version 2"? On Mon, Jan 5, 2015 at 8:13 PM, Robert Coli wrote: > On Mon, Jan 5, 2015 at 2:52 AM, Jens Rantil wrote: >> Since repair is a slow and daunting process*, I am considering increasing >> max_hint_window

Re: Implications of ramping up max_hint_window_in_ms

2015-01-05 Thread Robert Coli
On Mon, Jan 5, 2015 at 2:52 AM, Jens Rantil wrote: > Since repair is a slow and daunting process*, I am considering increasing > max_hint_window_in_ms from its default value of one (1) hour to something > like 24-48 hours. > ... > Are there any other implications of making this change that I hav

Implications of ramping up max_hint_window_in_ms

2015-01-05 Thread Jens Rantil
Hi, Since repair is a slow and daunting process*, I am considering increasing max_hint_window_in_ms from its default value of one (1) hour to something like 24-48 hours. This will give me and my team more time to fix the underlying problem of a node. I understand that  - repair is the only way