On Wed, Jun 11, 2014 at 8:27 PM, Henry Hung <[email protected]> wrote:
> @Suresh, > > > > Q1: But is this kind of behavior can cause some problem in fail over > event? I’m afraid that standby namenode will took a long time to be active. > Can you please explain how you arrived at this? > > > Q2: Is there a way to purge the loading edit records? Should I do restart > on standby namenode? > > > Other than showing a long list of loaded edits, there is nothing to be concerned here. I agree that this is confusing and we could change this where we print only last set of loaded edits instead of entire list. > Best regards, > > Henry > > > > *From:* Suresh Srinivas [mailto:[email protected]] > *Sent:* Thursday, June 12, 2014 11:23 AM > *To:* [email protected] > *Subject:* Re: hadoop 2.2.0 HA: standby namenode generate a long list of > loading edits > > > > Henry, > > > > I suspect this is what is happening. On active namenode, oncethe existing > set of editlogs during startup are loaded, it becomes active and from then > it has no need to load any more edits. It only generates edits. On the > other hand, standby namenode not only loads the edits during startup, it > also continuously loads the edits being generated by the active. Hence the > difference. > > > > Regards, > > Suresh > > > > On Wed, Jun 11, 2014 at 7:49 PM, Henry Hung <[email protected]> wrote: > > Hi All, > > > > I’m using QJM with 2 namenodes, in the active namenode, the main page’s > loading edits panel only show 10 records, but in standby namenode, the > loading edits panel show a lot more records, never count it, but I think it > has > 100 records. > > Is this a problem? > > > > Here I provide some of the data: > > > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10000080&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10000361&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10000830&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=1000140&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10001638&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10002099&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10002359&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=1000332&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=1000421&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10005210&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10005529&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=1000577&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10005831&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10005951&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10006089&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10006154&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10006291&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > http://fchdgw1.ctfab.com:8480/getJournal?jid=hadoop_prod&segmentTxId=10006482&storageInfo=-47%3A1313059004%3A1395811267413%3ACID-9e1b67b3-8190-4652-b34a-210212a50a9e > (0/0) > > 100.00% > > 0sec > > > > > > Best regards, > > Henry > > > ------------------------------ > > The privileged confidential information contained in this email is > intended for use only by the addressees as indicated by the original sender > of this email. 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