the one in zookeeper is 123 and consumer is asking for 67375... Don't understand where's the second value coming from
On Wed, Apr 15, 2015 at 2:17 PM, Evan Huus <evan.h...@shopify.com> wrote: > Check the offset you're asking for, and check what offsets actually exist > on your cluster. It sounds like they don't line up. > > On Wed, Apr 15, 2015 at 2:10 PM, Victor L <vlyamt...@gmail.com> wrote: > > > I see the following error in consumer; > > Unable to Receive Message:kafka server: The requested offset is outside > the > > range of offsets maintained by the server for the given topic/partition > > > > On Wed, Apr 15, 2015 at 2:09 PM, Victor L <vlyamt...@gmail.com> wrote: > > > > > I set it to 10ms and it did fix cpu consumption problem but i don't see > > > any messages coming up in consumer queue > > > > > > On Wed, Apr 15, 2015 at 1:57 PM, Evan Huus <evan.h...@shopify.com> > > wrote: > > > > > >> The field is a time.Duration (https://golang.org/pkg/time/#Duration) > > and > > >> it > > >> is the maximum duration to buffer messages before triggering a flush > to > > >> the > > >> broker. The default was 1 millisecond (this value does not even exist > in > > >> the most recent release). Setting it to higher values trades off > latency > > >> for efficiency, whatever your use case dictates. > > >> > > >> Evan > > >> > > >> On Wed, Apr 15, 2015 at 1:47 PM, Victor L <vlyamt...@gmail.com> > wrote: > > >> > > >> > I inherited this code, it just set to 1000, what would be reasonable > > >> time: > > >> > 1000 * time.Millisecond? > > >> > > > >> > On Wed, Apr 15, 2015 at 1:41 PM, Evan Huus <evan.h...@shopify.com> > > >> wrote: > > >> > > > >> > > On Wed, Apr 15, 2015 at 1:33 PM, Victor L <vlyamt...@gmail.com> > > >> wrote: > > >> > > > > >> > > > Hi Evan, > > >> > > > It's hardcoded: > > >> > > > MaxBufferTime = 1000 > > >> > > > > > >> > > > > >> > > Without any units this defaults to nanoseconds, which means your > > >> timer is > > >> > > spinning every microsecond. You probably mean 1000 * > > time.Millisecond? > > >> > > > > >> > > > > >> > > > MaxBufferedBytes = 1024 > > >> > > > > > >> > > > How's it versioned? Should i just download zip file from project > > >> > github? > > >> > > > > > >> > > > > >> > > By default go will use whatever version you originally checked out > > >> with > > >> > `go > > >> > > get` or the like. You can use a properly versioned copy via > > >> > > http://gopkg.in/Shopify/sarama.v1. > > >> > > > > >> > > > > >> > > > On Wed, Apr 15, 2015 at 12:48 PM, Evan Huus < > > evan.h...@shopify.com > > >> > > > >> > > > wrote: > > >> > > > > > >> > > > > Hi Victor, two points: > > >> > > > > > > >> > > > > - Based on the backtrace, you are using a very old version of > > >> Sarama. > > >> > > You > > >> > > > > might have better luck using a more recent stable version. > > >> > > > > - Are you setting `MaxBufferTime` in the configuration to 0 > or a > > >> very > > >> > > > small > > >> > > > > value? If so the loop will spin on that timer. Try making this > > >> value > > >> > > > > larger. > > >> > > > > > > >> > > > > Evan > > >> > > > > > > >> > > > > On Wed, Apr 15, 2015 at 12:35 PM, Victor L < > vlyamt...@gmail.com > > > > > >> > > wrote: > > >> > > > > > > >> > > > > > I am using sarama "golang" kafka 1.8.1 client ( > > >> > > > > > https://github.com/Shopify/sarama) to send messages to > > message > > >> > > queue > > >> > > > > once > > >> > > > > > in 3secs and this task drives cpu consumption to 130% on the > > >> > quad-cpu > > >> > > > > > blade; The number stays this high regardless of number of > > >> > > > > > partitions/consumers.... According to results of profiling > > with > > >> > > > 'pprof', > > >> > > > > > most of the cycles are spent in > producer.go/NewBrokerProducer; > > >> > > > > > Total: 47297 samples > > >> > > > > > 5947 12.6% 12.6% 15013 31.7% selectgo > > >> > > > > > 3617 7.6% 20.2% 3617 7.6% runtime.xchg > > >> > > > > > 2819 6.0% 26.2% 28506 60.3% > > >> > > > > github.com/Shopify/sarama.func·008 > <http://github.com/Shopify/sarama.func%C2%B7008> > > <http://github.com/Shopify/sarama.func%C2%B7008> > > >> <http://github.com/Shopify/sarama.func%C2%B7008> > > >> > <http://github.com/Shopify/sarama.func%C2%B7008> > > >> > > <http://github.com/Shopify/sarama.func%C2%B7008> > > >> > > > <http://github.com/Shopify/sarama.func%C2%B7008> > > >> > > > > <http://github.com/Shopify/sarama.func%C2%B7008> > > >> > > > > > <http://github.com/Shopify/sarama.func%C2%B7008> > > >> > > > > > <http://github.com/Shopify/sarama.func%C2%B7008> > > >> > > > > > > > >> > > > > ---------------------------------------------------------------------- > > >> > > > > > NewBrokerProducer > > >> > > > > > ----------------------------------------------------------- > > >> > > > > > 229: go func() { > > >> > > > > > . . 230: timer := > > >> > > > > time.NewTimer(p.config.MaxBufferTime) > > >> > > > > > . . 231: var shutdownRequired bool > > >> > > > > > . . 232: wg.Done() > > >> > > > > > . . 233: for { > > >> > > > > > 208 17598 234: select { > > >> > > > > > 153 749 235: case <-bp.flushNow: > > >> > > > > > . . 236: if shutdownRequired = > > >> > > bp.flush(p); > > >> > > > > > shutdownRequired { > > >> > > > > > . . 237: goto shutdown > > >> > > > > > . . 238: } > > >> > > > > > 2230 3144 239: case <-timer.C: > > >> > > > > > 144 3606 240: if shutdownRequired = > > >> > > > > > bp.flushIfAnyMessages(p); shutdownRequired { > > >> > > > > > . . 241: goto shutdown > > >> > > > > > > > >> > > > > > > > >> > > > > > wonder if there's some known issue with this method or if > > anyone > > >> > > > already > > >> > > > > > seen it before... > > >> > > > > > Thank you, > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > > > > > > > >
