There are no ERRORs and FATALs in Region Servers logs except one FATAL I have already posted. HLog sync I am asking expert advise: what else should I check?
Best regards, Vladimir Rodionov Principal Platform Engineer Carrier IQ, www.carrieriq.com e-mail: [email protected] ________________________________________ From: Vladimir Rodionov Sent: Friday, November 04, 2011 2:37 PM To: [email protected] Subject: RE: HBase 0.90.4 missing data in production I was able to reproduce the issue today again. Out of first 10K rows 8 were missing after cluster re-start. They are from 4 different regions. Best regards, Vladimir Rodionov Principal Platform Engineer Carrier IQ, www.carrieriq.com e-mail: [email protected] ________________________________________ From: Vladimir Rodionov Sent: Thursday, November 03, 2011 1:03 PM To: [email protected] Subject: RE: HBase 0.90.4 missing data in production I would say that they are identical This is Nov-2 RegionServer1: 2011-11-02 00:12:29,352 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:12:35,220 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:12:37,639 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:12:42,865 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:12:49,710 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:12:54,079 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:12:55,692 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:13:01,779 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:15:03,044 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:15:05,686 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:16:07,621 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:16:19,499 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:17:23,085 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:17:29,428 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:18:23,436 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:18:25,183 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:19:02,230 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:19:04,624 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:19:06,577 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:20:22,306 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:20:25,645 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:20:27,662 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:21:31,655 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:22:13,565 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 00:22:15,892 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 06:05:11,911 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 06:10:00,359 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 06:10:02,612 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 06:10:31,625 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 06:21:06,955 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 06:23:33,967 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 06:23:37,270 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 06:24:45,313 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 06:24:48,087 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 06:26:49,583 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 06:27:52,948 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 06:28:54,638 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 06:29:20,036 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 20:03:02,271 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 20:03:04,420 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 20:04:20,810 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 20:05:48,922 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 20:06:35,397 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 20:07:07,572 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 20:07:27,270 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 20:12:04,725 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 20:12:28,737 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 20:13:19,586 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 20:14:12,752 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 20:15:27,228 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 20:16:01,354 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 23:02:46,540 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 23:02:48,722 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 23:02:54,242 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 23:03:13,952 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 23:03:34,459 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 23:06:48,307 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 23:07:01,707 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 23:09:20,909 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 23:09:34,632 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-02 23:11:38,399 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog This is Nov-3 RegionServer1: 2011-11-03 03:28:08,934 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-03 03:28:22,234 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-03 03:41:20,823 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-03 06:20:22,524 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-03 06:29:40,429 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-03 06:35:22,349 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-03 18:43:52,802 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-03 18:46:09,616 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-03 18:47:33,136 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-03 18:52:10,282 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-03 18:52:39,507 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-03 18:52:56,564 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-03 18:53:06,166 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog 2011-11-03 18:53:15,147 FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog Less but the cluster size is approx the same - 8-10 FATAL errors per cluster I can not find any errors (ERROR) in RS log files except few, related to the above FATAL. Best regards, Vladimir Rodionov Principal Platform Engineer Carrier IQ, www.carrieriq.com e-mail: [email protected] ________________________________________ From: [email protected] [[email protected]] On Behalf Of Stack [[email protected]] Sent: Thursday, November 03, 2011 12:00 PM To: [email protected] Subject: Re: HBase 0.90.4 missing data in production On Thu, Nov 3, 2011 at 11:56 AM, Vladimir Rodionov <[email protected]> wrote: > I can not reproduce the bug today. No missing rows after cluster restart. I > will answer > Stack's question as soon as I hit this problem again. > Can you compare logs from the bad and good runs Vladimir? St.Ack Confidentiality Notice: The information contained in this message, including any attachments hereto, may be confidential and is intended to be read only by the individual or entity to whom this message is addressed. If the reader of this message is not the intended recipient or an agent or designee of the intended recipient, please note that any review, use, disclosure or distribution of this message or its attachments, in any form, is strictly prohibited. If you have received this message in error, please immediately notify the sender and/or [email protected] and delete or destroy any copy of this message and its attachments.
