The only config files available are within the submitted jar. Things works in eclipse using local environment while fails deploying to the cluster On Nov 13, 2014 10:01 PM, <[email protected]> wrote:
> Does the HBase jar in the lib folder contain a config that could be used > instead of the config in the job jar file? Or is simply no config at all > available when the configure method is called? > > > > > > > -- > Fabian Hueske > Phone: +49 170 5549438 > Email: [email protected] > Web: http://www.user.tu-berlin.de/fabian.hueske > > > > > > From: Flavio Pompermaier > Sent: Thursday, 13. November, 2014 21:43 > To: [email protected] > > > > > > The hbase jar is in the lib directory on each node while the config files > are within the jar file I submit from the web client. > On Nov 13, 2014 9:37 PM, <[email protected]> wrote: > > > Have you added the hbase.jar file with your HBase config to the ./lib > > folders of your Flink setup (JobManager, TaskManager) or is it bundled > with > > your job.jar file? > > > > > > > > > > > > -- > > Fabian Hueske > > Phone: +49 170 5549438 > > Email: [email protected] > > Web: http://www.user.tu-berlin.de/fabian.hueske > > > > > > > > > > > > From: Flavio Pompermaier > > Sent: Thursday, 13. November, 2014 18:36 > > To: [email protected] > > > > > > > > > > > > Any help with this? :( > > > > On Thu, Nov 13, 2014 at 2:06 PM, Flavio Pompermaier < > [email protected]> > > wrote: > > > > > We definitely discovered that instantiating HTable and Scan in > > configure() > > > method of TableInputFormat causes problem in distributed environment! > > > If you look at my implementation at > > > > > > https://github.com/fpompermaier/incubator-flink/blob/master/flink-addons/flink-hbase/src/main/java/org/apache/flink/addons/hbase/TableInputFormat.java > > > you can see that Scan and HTable were made transient and recreated > within > > > configure but this causes HBaseConfiguration.create() to fail searching > > for > > > classpath files...could you help us understanding why? > > > > > > On Wed, Nov 12, 2014 at 8:10 PM, Flavio Pompermaier < > > [email protected]> > > > wrote: > > > > > >> Usually, when I run a mapreduce job both on Spark and Hadoop I just > put > > >> *-site.xml files into the war I submit to the cluster and that's it. I > > >> think the problem appeared when I made the HTable a private transient > > field > > >> and the table istantiation was moved in the configure method. > > >> Could it be a valid reason? we still have to make a deeper debug but > I'm > > >> trying ro figure out where to investigate.. > > >> On Nov 12, 2014 8:03 PM, "Robert Metzger" <[email protected]> > wrote: > > >> > > >>> Hi, > > >>> Maybe its an issue with the classpath? As far as I know is Hadoop > > reading > > >>> the configuration files from the classpath. Maybe is the > hbase-site.xml > > >>> file not accessible through the classpath when running on the > cluster? > > >>> > > >>> On Wed, Nov 12, 2014 at 7:40 PM, Flavio Pompermaier < > > >>> [email protected]> > > >>> wrote: > > >>> > > >>> > Today we tried tp execute a job on the cluster instead of on local > > >>> executor > > >>> > and we faced the problem that the hbase-site.xml was basically > > >>> ignored. Is > > >>> > there a reason why the TableInputFormat is working correctly on > local > > >>> > environment while it doesn't on a cluster? > > >>> > On Nov 10, 2014 10:56 AM, "Fabian Hueske" <[email protected]> > > wrote: > > >>> > > > >>> > > I don't think we need to bundle the HBase input and output format > > in > > >>> a > > >>> > > single PR. > > >>> > > So, I think we can proceed with the IF only and target the OF > > later. > > >>> > > However, the fix for Kryo should be in the master before merging > > the > > >>> PR. > > >>> > > Till is currently working on that and said he expects this to be > > >>> done by > > >>> > > end of the week. > > >>> > > > > >>> > > Cheers, Fabian > > >>> > > > > >>> > > > > >>> > > 2014-11-07 12:49 GMT+01:00 Flavio Pompermaier < > > [email protected] > > >>> >: > > >>> > > > > >>> > > > I fixed also the profile for Cloudera CDH5.1.3. You can build > it > > >>> with > > >>> > the > > >>> > > > command: > > >>> > > > mvn clean install -Dmaven.test.skip=true > -Dhadoop.profile=2 > > >>> > > > -Pvendor-repos,cdh5.1.3 > > >>> > > > > > >>> > > > However, it would be good to generate the specific jar when > > >>> > > > releasing..(e.g. > > >>> > > > flink-addons:flink-hbase:0.8.0-hadoop2-cdh5.1.3-incubating) > > >>> > > > > > >>> > > > Best, > > >>> > > > Flavio > > >>> > > > > > >>> > > > On Fri, Nov 7, 2014 at 12:44 PM, Flavio Pompermaier < > > >>> > > [email protected]> > > >>> > > > wrote: > > >>> > > > > > >>> > > > > I've just updated the code on my fork (synch with current > > master > > >>> and > > >>> > > > > applied improvements coming from comments on related PR). > > >>> > > > > I still have to understand how to write results back to an > > HBase > > >>> > > > > Sink/OutputFormat... > > >>> > > > > > > >>> > > > > > > >>> > > > > On Mon, Nov 3, 2014 at 12:05 PM, Flavio Pompermaier < > > >>> > > > [email protected]> > > >>> > > > > wrote: > > >>> > > > > > > >>> > > > >> Thanks for the detailed answer. So if I run a job from my > > >>> machine > > >>> > I'll > > >>> > > > >> have to download all the scanned data in a table..right? > > >>> > > > >> > > >>> > > > >> Always regarding the GenericTableOutputFormat it is not > clear > > >>> to me > > >>> > > how > > >>> > > > >> to proceed.. > > >>> > > > >> I saw in the hadoop compatibility addon that it is possible > to > > >>> have > > >>> > > such > > >>> > > > >> compatibility using HBaseUtils class so the open method > should > > >>> > become > > >>> > > > >> something like: > > >>> > > > >> > > >>> > > > >> @Override > > >>> > > > >> public void open(int taskNumber, int numTasks) throws > > >>> IOException { > > >>> > > > >> if (Integer.toString(taskNumber + 1).length() > 6) { > > >>> > > > >> throw new IOException("Task id too large."); > > >>> > > > >> } > > >>> > > > >> TaskAttemptID taskAttemptID = > > >>> > TaskAttemptID.forName("attempt__0000_r_" > > >>> > > > >> + String.format("%" + (6 - Integer.toString(taskNumber + > > >>> > 1).length()) > > >>> > > + > > >>> > > > >> "s"," ").replace(" ", "0") > > >>> > > > >> + Integer.toString(taskNumber + 1) > > >>> > > > >> + "_0"); > > >>> > > > >> this.configuration.set("mapred.task.id", > > >>> > taskAttemptID.toString()); > > >>> > > > >> this.configuration.setInt("mapred.task.partition", > taskNumber > > + > > >>> 1); > > >>> > > > >> // for hadoop 2.2 > > >>> > > > >> this.configuration.set("mapreduce.task.attempt.id", > > >>> > > > >> taskAttemptID.toString()); > > >>> > > > >> this.configuration.setInt("mapreduce.task.partition", > > >>> taskNumber + > > >>> > 1); > > >>> > > > >> try { > > >>> > > > >> this.context = > > >>> > > > >> > HadoopUtils.instantiateTaskAttemptContext(this.configuration, > > >>> > > > >> taskAttemptID); > > >>> > > > >> } catch (Exception e) { > > >>> > > > >> throw new RuntimeException(e); > > >>> > > > >> } > > >>> > > > >> final HFileOutputFormat2 outFormat = new > HFileOutputFormat2(); > > >>> > > > >> try { > > >>> > > > >> this.writer = outFormat.getRecordWriter(this.context); > > >>> > > > >> } catch (InterruptedException iex) { > > >>> > > > >> throw new IOException("Opening the writer was interrupted.", > > >>> iex); > > >>> > > > >> } > > >>> > > > >> } > > >>> > > > >> > > >>> > > > >> But I'm not sure about how to pass the JobConf to the class, > > if > > >>> to > > >>> > > merge > > >>> > > > >> config fileas, where HFileOutputFormat2 writes the data and > > how > > >>> to > > >>> > > > >> implement the public void writeRecord(Record record) API. > > >>> > > > >> Could I do a little chat off the mailing list with the > > >>> implementor > > >>> > of > > >>> > > > >> this extension? > > >>> > > > >> > > >>> > > > >> On Mon, Nov 3, 2014 at 11:51 AM, Fabian Hueske < > > >>> [email protected]> > > >>> > > > >> wrote: > > >>> > > > >> > > >>> > > > >>> Hi Flavio > > >>> > > > >>> > > >>> > > > >>> let me try to answer your last question on the user's list > > (to > > >>> the > > >>> > > best > > >>> > > > >>> of > > >>> > > > >>> my HBase knowledge). > > >>> > > > >>> "I just wanted to known if and how regiom splitting is > > >>> handled. Can > > >>> > > you > > >>> > > > >>> explain me in detail how Flink and HBase works?what is not > > >>> fully > > >>> > > clear > > >>> > > > to > > >>> > > > >>> me is when computation is done by region servers and when > > data > > >>> > start > > >>> > > > flow > > >>> > > > >>> to a Flink worker (that in ky test job is only my pc) and > how > > >>> ro > > >>> > > > >>> undertsand > > >>> > > > >>> better the important logged info to understand if my job is > > >>> > > performing > > >>> > > > >>> well" > > >>> > > > >>> > > >>> > > > >>> HBase partitions its tables into so called "regions" of > keys > > >>> and > > >>> > > stores > > >>> > > > >>> the > > >>> > > > >>> regions distributed in the cluster using HDFS. I think an > > HBase > > >>> > > region > > >>> > > > >>> can > > >>> > > > >>> be thought of as a HDFS block. To make reading an HBase > table > > >>> > > > efficient, > > >>> > > > >>> region reads should be locally done, i.e., an InputFormat > > >>> should > > >>> > > > >>> primarily > > >>> > > > >>> read region that are stored on the same machine as the IF > is > > >>> > running > > >>> > > > on. > > >>> > > > >>> Flink's InputSplits partition the HBase input by regions > and > > >>> add > > >>> > > > >>> information about the storage location of the region. > During > > >>> > > execution, > > >>> > > > >>> input splits are assigned to InputFormats that can do local > > >>> reads. > > >>> > > > >>> > > >>> > > > >>> Best, Fabian > > >>> > > > >>> > > >>> > > > >>> 2014-11-03 11:13 GMT+01:00 Stephan Ewen <[email protected] > >: > > >>> > > > >>> > > >>> > > > >>> > Hi! > > >>> > > > >>> > > > >>> > > > >>> > The way of passing parameters through the configuration > is > > >>> very > > >>> > old > > >>> > > > >>> (the > > >>> > > > >>> > original HBase format dated back to that time). I would > > >>> simply > > >>> > make > > >>> > > > the > > >>> > > > >>> > HBase format take those parameters through the > constructor. > > >>> > > > >>> > > > >>> > > > >>> > Greetings, > > >>> > > > >>> > Stephan > > >>> > > > >>> > > > >>> > > > >>> > > > >>> > > > >>> > On Mon, Nov 3, 2014 at 10:59 AM, Flavio Pompermaier < > > >>> > > > >>> [email protected]> > > >>> > > > >>> > wrote: > > >>> > > > >>> > > > >>> > > > >>> > > The problem is that I also removed the > > >>> GenericTableOutputFormat > > >>> > > > >>> because > > >>> > > > >>> > > there is an incompatibility between hadoop1 and hadoop2 > > for > > >>> > class > > >>> > > > >>> > > TaskAttemptContext and TaskAttemptContextImpl.. > > >>> > > > >>> > > then it would be nice if the user doesn't have to worry > > >>> about > > >>> > > > passing > > >>> > > > >>> > > pact.hbase.jtkey and pact.job.id parameters.. > > >>> > > > >>> > > I think it is probably a good idea to remove hadoop1 > > >>> > > compatibility > > >>> > > > >>> and > > >>> > > > >>> > keep > > >>> > > > >>> > > enable HBase addon only for hadoop2 (as before) and > > decide > > >>> how > > >>> > to > > >>> > > > >>> mange > > >>> > > > >>> > > those 2 parameters.. > > >>> > > > >>> > > > > >>> > > > >>> > > On Mon, Nov 3, 2014 at 10:19 AM, Stephan Ewen < > > >>> > [email protected]> > > >>> > > > >>> wrote: > > >>> > > > >>> > > > > >>> > > > >>> > > > It is fine to remove it, in my opinion. > > >>> > > > >>> > > > > > >>> > > > >>> > > > On Mon, Nov 3, 2014 at 10:11 AM, Flavio Pompermaier < > > >>> > > > >>> > > [email protected]> > > >>> > > > >>> > > > wrote: > > >>> > > > >>> > > > > > >>> > > > >>> > > > > That is one class I removed because it was using > the > > >>> > > deprecated > > >>> > > > >>> API > > >>> > > > >>> > > > > GenericDataSink..I can restore them but the it will > > be > > >>> a > > >>> > good > > >>> > > > >>> idea to > > >>> > > > >>> > > > > remove those warning (also because from what I > > >>> understood > > >>> > the > > >>> > > > >>> Record > > >>> > > > >>> > > APIs > > >>> > > > >>> > > > > are going to be removed). > > >>> > > > >>> > > > > > > >>> > > > >>> > > > > On Mon, Nov 3, 2014 at 9:51 AM, Fabian Hueske < > > >>> > > > >>> [email protected]> > > >>> > > > >>> > > > wrote: > > >>> > > > >>> > > > > > > >>> > > > >>> > > > > > I'm not familiar with the HBase connector code, > but > > >>> are > > >>> > you > > >>> > > > >>> maybe > > >>> > > > >>> > > > looking > > >>> > > > >>> > > > > > for the GenericTableOutputFormat? > > >>> > > > >>> > > > > > > > >>> > > > >>> > > > > > 2014-11-03 9:44 GMT+01:00 Flavio Pompermaier < > > >>> > > > >>> [email protected] > > >>> > > > >>> > >: > > >>> > > > >>> > > > > > > > >>> > > > >>> > > > > > > | was trying to modify the example setting > > >>> > > > hbaseDs.output(new > > >>> > > > >>> > > > > > > HBaseOutputFormat()); but I can't see any > > >>> > > HBaseOutputFormat > > >>> > > > >>> > > > > class..maybe > > >>> > > > >>> > > > > > we > > >>> > > > >>> > > > > > > shall use another class? > > >>> > > > >>> > > > > > > > > >>> > > > >>> > > > > > > On Mon, Nov 3, 2014 at 9:39 AM, Flavio > > Pompermaier > > >>> < > > >>> > > > >>> > > > > [email protected] > > >>> > > > >>> > > > > > > > > >>> > > > >>> > > > > > > wrote: > > >>> > > > >>> > > > > > > > > >>> > > > >>> > > > > > > > Maybe that's something I could add to the > HBase > > >>> > example > > >>> > > > and > > >>> > > > >>> > that > > >>> > > > >>> > > > > could > > >>> > > > >>> > > > > > be > > >>> > > > >>> > > > > > > > better documented in the Wiki. > > >>> > > > >>> > > > > > > > > > >>> > > > >>> > > > > > > > Since we're talking about the wiki..I was > > >>> looking at > > >>> > > the > > >>> > > > >>> Java > > >>> > > > >>> > > API ( > > >>> > > > >>> > > > > > > > > > >>> > > > >>> > > > > > > > > >>> > > > >>> > > > > > > > >>> > > > >>> > > > > > > >>> > > > >>> > > > > > >>> > > > >>> > > > > >>> > > > >>> > > > >>> > > > >>> > > >>> > > > > > >>> > > > > >>> > > > >>> > > > http://flink.incubator.apache.org/docs/0.6-incubating/java_api_guide.html > > >>> > > > >>> ) > > >>> > > > >>> > > > > > > > and the link to the KMeans example is not > > working > > >>> > > (where > > >>> > > > it > > >>> > > > >>> > says > > >>> > > > >>> > > > For > > >>> > > > >>> > > > > a > > >>> > > > >>> > > > > > > > complete example program, have a look at > KMeans > > >>> > > > Algorithm). > > >>> > > > >>> > > > > > > > > > >>> > > > >>> > > > > > > > Best, > > >>> > > > >>> > > > > > > > Flavio > > >>> > > > >>> > > > > > > > > > >>> > > > >>> > > > > > > > > > >>> > > > >>> > > > > > > > On Mon, Nov 3, 2014 at 9:12 AM, Flavio > > >>> Pompermaier < > > >>> > > > >>> > > > > > [email protected] > > >>> > > > >>> > > > > > > > > > >>> > > > >>> > > > > > > > wrote: > > >>> > > > >>> > > > > > > > > > >>> > > > >>> > > > > > > >> Ah ok, perfect! That was the reason why I > > >>> removed it > > >>> > > :) > > >>> > > > >>> > > > > > > >> > > >>> > > > >>> > > > > > > >> On Mon, Nov 3, 2014 at 9:10 AM, Stephan > Ewen < > > >>> > > > >>> > [email protected]> > > >>> > > > >>> > > > > > wrote: > > >>> > > > >>> > > > > > > >> > > >>> > > > >>> > > > > > > >>> You do not really need a HBase data sink. > You > > >>> can > > >>> > > call > > >>> > > > >>> > > > > > > >>> "DataSet.output(new > > >>> > > > >>> > > > > > > >>> HBaseOutputFormat())" > > >>> > > > >>> > > > > > > >>> > > >>> > > > >>> > > > > > > >>> Stephan > > >>> > > > >>> > > > > > > >>> Am 02.11.2014 23:05 schrieb "Flavio > > >>> Pompermaier" < > > >>> > > > >>> > > > > > [email protected] > > >>> > > > >>> > > > > > > >: > > >>> > > > >>> > > > > > > >>> > > >>> > > > >>> > > > > > > >>> > Just one last thing..I removed the > > >>> HbaseDataSink > > >>> > > > >>> because I > > >>> > > > >>> > > > think > > >>> > > > >>> > > > > it > > >>> > > > >>> > > > > > > was > > >>> > > > >>> > > > > > > >>> > using the old APIs..can someone help me > in > > >>> > updating > > >>> > > > >>> that > > >>> > > > >>> > > class? > > >>> > > > >>> > > > > > > >>> > > > >>> > > > >>> > > > > > > >>> > On Sun, Nov 2, 2014 at 10:55 AM, Flavio > > >>> > > Pompermaier < > > >>> > > > >>> > > > > > > >>> [email protected]> > > >>> > > > >>> > > > > > > >>> > wrote: > > >>> > > > >>> > > > > > > >>> > > > >>> > > > >>> > > > > > > >>> > > Indeed this time the build has been > > >>> successful > > >>> > :) > > >>> > > > >>> > > > > > > >>> > > > > >>> > > > >>> > > > > > > >>> > > On Sun, Nov 2, 2014 at 10:29 AM, Fabian > > >>> Hueske > > >>> > < > > >>> > > > >>> > > > > > [email protected] > > >>> > > > >>> > > > > > > > > > >>> > > > >>> > > > > > > >>> > wrote: > > >>> > > > >>> > > > > > > >>> > > > > >>> > > > >>> > > > > > > >>> > >> You can also setup Travis to build > your > > >>> own > > >>> > > Github > > >>> > > > >>> > > > > repositories > > >>> > > > >>> > > > > > by > > >>> > > > >>> > > > > > > >>> > linking > > >>> > > > >>> > > > > > > >>> > >> it to your Github account. That way > > >>> Travis can > > >>> > > > >>> build all > > >>> > > > >>> > > > your > > >>> > > > >>> > > > > > > >>> branches > > >>> > > > >>> > > > > > > >>> > >> (and > > >>> > > > >>> > > > > > > >>> > >> you can also trigger rebuilds if > > something > > >>> > > fails). > > >>> > > > >>> > > > > > > >>> > >> Not sure if we can manually trigger > > >>> retrigger > > >>> > > > >>> builds on > > >>> > > > >>> > > the > > >>> > > > >>> > > > > > Apache > > >>> > > > >>> > > > > > > >>> > >> repository. > > >>> > > > >>> > > > > > > >>> > >> > > >>> > > > >>> > > > > > > >>> > >> Support for Hadoop 1 and 2 is indeed a > > >>> very > > >>> > good > > >>> > > > >>> > addition > > >>> > > > >>> > > > :-) > > >>> > > > >>> > > > > > > >>> > >> > > >>> > > > >>> > > > > > > >>> > >> For the discusion about the PR > itself, I > > >>> would > > >>> > > > need > > >>> > > > >>> a > > >>> > > > >>> > bit > > >>> > > > >>> > > > more > > >>> > > > >>> > > > > > > time > > >>> > > > >>> > > > > > > >>> to > > >>> > > > >>> > > > > > > >>> > >> become more familiar with HBase. I do > > >>> also not > > >>> > > > have > > >>> > > > >>> a > > >>> > > > >>> > > HBase > > >>> > > > >>> > > > > > setup > > >>> > > > >>> > > > > > > >>> > >> available > > >>> > > > >>> > > > > > > >>> > >> here. > > >>> > > > >>> > > > > > > >>> > >> Maybe somebody else of the community > who > > >>> was > > >>> > > > >>> involved > > >>> > > > >>> > > with a > > >>> > > > >>> > > > > > > >>> previous > > >>> > > > >>> > > > > > > >>> > >> version of the HBase connector could > > >>> comment > > >>> > on > > >>> > > > your > > >>> > > > >>> > > > question. > > >>> > > > >>> > > > > > > >>> > >> > > >>> > > > >>> > > > > > > >>> > >> Best, Fabian > > >>> > > > >>> > > > > > > >>> > >> > > >>> > > > >>> > > > > > > >>> > >> 2014-11-02 9:57 GMT+01:00 Flavio > > >>> Pompermaier < > > >>> > > > >>> > > > > > > [email protected] > > >>> > > > >>> > > > > > > >>> >: > > >>> > > > >>> > > > > > > >>> > >> > > >>> > > > >>> > > > > > > >>> > >> > As suggestes by Fabian I moved the > > >>> > discussion > > >>> > > on > > >>> > > > >>> this > > >>> > > > >>> > > > > mailing > > >>> > > > >>> > > > > > > >>> list. > > >>> > > > >>> > > > > > > >>> > >> > > > >>> > > > >>> > > > > > > >>> > >> > I think that what is still to be > > >>> discussed > > >>> > is > > >>> > > > >>> how to > > >>> > > > >>> > > > > > retrigger > > >>> > > > >>> > > > > > > >>> the > > >>> > > > >>> > > > > > > >>> > >> build > > >>> > > > >>> > > > > > > >>> > >> > on Travis (I don't have an account) > > and > > >>> if > > >>> > the > > >>> > > > PR > > >>> > > > >>> can > > >>> > > > >>> > be > > >>> > > > >>> > > > > > > >>> integrated. > > >>> > > > >>> > > > > > > >>> > >> > > > >>> > > > >>> > > > > > > >>> > >> > Maybe what I can do is to move the > > HBase > > >>> > > example > > >>> > > > >>> in > > >>> > > > >>> > the > > >>> > > > >>> > > > test > > >>> > > > >>> > > > > > > >>> package > > >>> > > > >>> > > > > > > >>> > >> (right > > >>> > > > >>> > > > > > > >>> > >> > now I left it in the main folder) so > > it > > >>> will > > >>> > > > force > > >>> > > > >>> > > Travis > > >>> > > > >>> > > > to > > >>> > > > >>> > > > > > > >>> rebuild. > > >>> > > > >>> > > > > > > >>> > >> > I'll do it within a couple of hours. > > >>> > > > >>> > > > > > > >>> > >> > > > >>> > > > >>> > > > > > > >>> > >> > Another thing I forgot to say is > that > > >>> the > > >>> > > hbase > > >>> > > > >>> > > extension > > >>> > > > >>> > > > is > > >>> > > > >>> > > > > > now > > >>> > > > >>> > > > > > > >>> > >> compatible > > >>> > > > >>> > > > > > > >>> > >> > with both hadoop 1 and 2. > > >>> > > > >>> > > > > > > >>> > >> > > > >>> > > > >>> > > > > > > >>> > >> > Best, > > >>> > > > >>> > > > > > > >>> > >> > Flavio > > >>> > > > >>> > > > > > > >>> > >> > > >>> > > > >>> > > > > > > >>> > > > > >>> > > > >>> > > > > > > >>> > > > >>> > > > >>> > > > > > > >>> > > >>> > > > >>> > > > > > > >> > > >>> > > > >>> > > > > > > > > > >>> > > > >>> > > > > > > > > >>> > > > >>> > > > > > > > >>> > > > >>> > > > > > > >>> > > > >>> > > > > > >>> > > > >>> > > > > >>> > > > >>> > > > >>> > > > >>> > > >>> > > > >> > > >>> > > > >> > > >>> > > > >> > > >>> > > > > > > >>> > > > > > >>> > > > > >>> > > > >>> > > >> > > > > > >
