Hi Jean, I can cron it but I wanted to do something similar as we run other Hadoop daemons as Namenode, datanode etc. Wondering if we can get this working programmatically. Any suggestions
Thanks -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Jean-Daniel Cryans Sent: Friday, September 16, 2011 4:27 AM To: [email protected] Subject: Re: Issues in Scheduling CopyTable from java. Why not just cron it? J-D On Wed, Sep 14, 2011 at 11:08 PM, Stuti Awasthi <[email protected]> wrote: > Hi Friends, > I wanted to write a scheduler which will take backup of Hbase tables by > timestamp using CopyTable utility. I created a thread which will get > timestamp range required and call CopyTable.main(arg). Then I keep this > thread on sleep for 10 mins. I wanted this to be executed after every 10 mins > but actually after calling CopyTable first time, it executed MR job and then > exit. The process is not going back to the calling thread and wait for 10 > mins and then again execute CopyTable. > > Code Structure : > > Run() > { > While(true){ > Get starttimestamp() > Get endtimestamp() > CopyTable.main(arg) > Thread.sleep(10*60*1000) > > } > > } > > Please help me in running this as daemon process which will execute in every > 10 mins. > > Thanks & Regards > > > ________________________________ > ::DISCLAIMER:: > ---------------------------------------------------------------------- > ------------------------------------------------- > > The contents of this e-mail and any attachment(s) are confidential and > intended for the named recipient(s) only. > It shall not attach any liability on the originator or HCL or its > affiliates. Any views or opinions presented in this email are solely those of > the author and may not necessarily reflect the opinions of HCL or its > affiliates. > Any form of reproduction, dissemination, copying, disclosure, > modification, distribution and / or publication of this message > without the prior written consent of the author of this e-mail is > strictly prohibited. If you have received this email in error please delete > it and notify the sender immediately. Before opening any mail and attachments > please check them for viruses and defect. > > ---------------------------------------------------------------------- > ------------------------------------------------- >
