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https://issues.apache.org/jira/browse/CASSANDRA-5424?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13673060#comment-13673060
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Kévin LOVATO edited comment on CASSANDRA-5424 at 6/3/13 12:21 PM:
------------------------------------------------------------------
We just applied 1.2.5 on our cluster and the repair hanging is fixed, but the
-pr is still not working as expected.
Our cluster has two datacenters, let's call them dc1 and dc2, we created a
Keyspace Test_Replication with replication factor _\{ dc1: 3 \}_ (no info for
dc2) and ran a nodetool repair Test_Replication (that used to hang) on dc2 and
it exited saying there was nothing to do (which is OK).
Then we changed the replication factor to _\{ dc1: 3, dc2: 3 \}_ and started a
nodetool repair -pr Test_Replication on cassandra11@dc2 which output this:
{code}
user@cassandra11:~$ nodetool repair -pr Test_Replication
[2013-06-03 13:54:53,948] Starting repair command #1, repairing 1 ranges for
keyspace Test_Replication
[2013-06-03 13:54:53,985] Repair session 676c00f0-cc44-11e2-bfd5-3d9212e452cc
for range (0,1] finished
[2013-06-03 13:54:53,985] Repair command #1 finished
{code}
But even after flushing the Keyspace, there was no data on the server.
We then ran a full repair:
{code}
user@cassandra11:~$ nodetool repair Test_Replication
[2013-06-03 14:01:56,679] Starting repair command #2, repairing 6 ranges for
keyspace Test_Replication
[2013-06-03 14:01:57,260] Repair session 63632d70-cc45-11e2-bfd5-3d9212e452cc
for range (0,1] finished
[2013-06-03 14:01:57,260] Repair session 63650230-cc45-11e2-bfd5-3d9212e452cc
for range
(56713727820156410577229101238628035243,113427455640312821154458202477256070484]
finished
[2013-06-03 14:01:57,260] Repair session 6385d0a0-cc45-11e2-bfd5-3d9212e452cc
for range (1,56713727820156410577229101238628035242] finished
[2013-06-03 14:01:57,260] Repair session 639f7320-cc45-11e2-bfd5-3d9212e452cc
for range
(56713727820156410577229101238628035242,56713727820156410577229101238628035243]
finished
[2013-06-03 14:01:57,260] Repair session 63af51a0-cc45-11e2-bfd5-3d9212e452cc
for range
(113427455640312821154458202477256070484,113427455640312821154458202477256070485]
finished
[2013-06-03 14:01:57,295] Repair session 63b12660-cc45-11e2-bfd5-3d9212e452cc
for range (113427455640312821154458202477256070485,0] finished
[2013-06-03 14:01:57,295] Repair command #2 finished
{code}
After which we could find the data on dc2 as expected.
So it seems that -pr is still not working as expected, or maybe we're
doing/understanding something wrong.
(I was not sure if I should open a new ticket or comment this one so please let
me know if I should move it)
was (Author: alprema):
We just applied 1.2.5 on our cluster and the repair hanging is fixed, but
the -pr is still not working as expected.
Our cluster has two datacenters, let's call them dc1 and dc2, we created a
Keyspace Test_Replication with replication factor _\{ dc1: 3 \}_ (no info for
dc2) and ran a nodetool repair Test_Replication (that used to hang) on dc2 and
it exited saying there was nothing to do (which is OK).
Then we changed the replication factor to _\{ dc1: 3, dc2: 3 \}_ and started a
nodetool repair -pr Test_Replication on cassandra11@dc2 which output this:
{code}
user@cassandra11:~$ nodetool repair -pr Test_Replication
[2013-06-03 13:54:53,948] Starting repair command #1, repairing 1 ranges for
keyspace Test_Replication
[2013-06-03 13:54:53,985] Repair session 676c00f0-cc44-11e2-bfd5-3d9212e452cc
for range (0,1] finished
[2013-06-03 13:54:53,985] Repair command #1 finished
{code}
But even after flushing the Keyspace, there was no data on the server.
We then ran a full repair:
{code}
user@cassandra11:~$ nodetool repair Test_Replication
[2013-06-03 14:01:56,679] Starting repair command #2, repairing 6 ranges for
keyspace Test_Replication
[2013-06-03 14:01:57,260] Repair session 63632d70-cc45-11e2-bfd5-3d9212e452cc
for range (0,1] finished
[2013-06-03 14:01:57,260] Repair session 63650230-cc45-11e2-bfd5-3d9212e452cc
for range
(56713727820156410577229101238628035243,113427455640312821154458202477256070484]
finished
[2013-06-03 14:01:57,260] Repair session 6385d0a0-cc45-11e2-bfd5-3d9212e452cc
for range (1,56713727820156410577229101238628035242] finished
[2013-06-03 14:01:57,260] Repair session 639f7320-cc45-11e2-bfd5-3d9212e452cc
for range
(56713727820156410577229101238628035242,56713727820156410577229101238628035243]
finished
[2013-06-03 14:01:57,260] Repair session 63af51a0-cc45-11e2-bfd5-3d9212e452cc
for range
(113427455640312821154458202477256070484,113427455640312821154458202477256070485]
finished
[2013-06-03 14:01:57,295] Repair session 63b12660-cc45-11e2-bfd5-3d9212e452cc
for range (113427455640312821154458202477256070485,0] finished
[2013-06-03 14:01:57,295] Repair command #2 finished
{code}
After which we could find the data on dc2 as expected.
So it seems that -pr is still not working as expected, or maybe we're
doing/understanding something wrong.
> nodetool repair -pr on all nodes won't repair the full range when a Keyspace
> isn't in all DC's
> ----------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-5424
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5424
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.1.7
> Reporter: Jeremiah Jordan
> Assignee: Yuki Morishita
> Priority: Critical
> Fix For: 1.2.5
>
> Attachments: 5424-1.1.txt, 5424-v2-1.2.txt, 5424-v3-1.2.txt
>
>
> nodetool repair -pr on all nodes won't repair the full range when a Keyspace
> isn't in all DC's
> Commands follow, but the TL;DR of it, range
> (127605887595351923798765477786913079296,0] doesn't get repaired between .38
> node and .236 node until I run a repair, no -pr, on .38
> It seems like primary arnge calculation doesn't take schema into account, but
> deciding who to ask for merkle tree's from does.
> {noformat}
> Address DC Rack Status State Load Owns
> Token
>
> 127605887595351923798765477786913079296
> 10.72.111.225 Cassandra rack1 Up Normal 455.87 KB 25.00%
> 0
> 10.2.29.38 Analytics rack1 Up Normal 40.74 MB 25.00%
> 42535295865117307932921825928971026432
> 10.46.113.236 Analytics rack1 Up Normal 20.65 MB 50.00%
> 127605887595351923798765477786913079296
> create keyspace Keyspace1
> with placement_strategy = 'NetworkTopologyStrategy'
> and strategy_options = {Analytics : 2}
> and durable_writes = true;
> -------
> # nodetool -h 10.2.29.38 repair -pr Keyspace1 Standard1
> [2013-04-03 15:46:58,000] Starting repair command #1, repairing 1 ranges for
> keyspace Keyspace1
> [2013-04-03 15:47:00,881] Repair session b79b4850-9c75-11e2-0000-8b5bf6ebea9e
> for range (0,42535295865117307932921825928971026432] finished
> [2013-04-03 15:47:00,881] Repair command #1 finished
> root@ip-10-2-29-38:/home/ubuntu# grep b79b4850-9c75-11e2-0000-8b5bf6ebea9e
> /var/log/cassandra/system.log
> INFO [AntiEntropySessions:1] 2013-04-03 15:46:58,009 AntiEntropyService.java
> (line 676) [repair #b79b4850-9c75-11e2-0000-8b5bf6ebea9e] new session: will
> sync a1/10.2.29.38, /10.46.113.236 on range
> (0,42535295865117307932921825928971026432] for Keyspace1.[Standard1]
> INFO [AntiEntropySessions:1] 2013-04-03 15:46:58,015 AntiEntropyService.java
> (line 881) [repair #b79b4850-9c75-11e2-0000-8b5bf6ebea9e] requesting merkle
> trees for Standard1 (to [/10.46.113.236, a1/10.2.29.38])
> INFO [AntiEntropyStage:1] 2013-04-03 15:47:00,202 AntiEntropyService.java
> (line 211) [repair #b79b4850-9c75-11e2-0000-8b5bf6ebea9e] Received merkle
> tree for Standard1 from /10.46.113.236
> INFO [AntiEntropyStage:1] 2013-04-03 15:47:00,697 AntiEntropyService.java
> (line 211) [repair #b79b4850-9c75-11e2-0000-8b5bf6ebea9e] Received merkle
> tree for Standard1 from a1/10.2.29.38
> INFO [AntiEntropyStage:1] 2013-04-03 15:47:00,879 AntiEntropyService.java
> (line 1015) [repair #b79b4850-9c75-11e2-0000-8b5bf6ebea9e] Endpoints
> /10.46.113.236 and a1/10.2.29.38 are consistent for Standard1
> INFO [AntiEntropyStage:1] 2013-04-03 15:47:00,880 AntiEntropyService.java
> (line 788) [repair #b79b4850-9c75-11e2-0000-8b5bf6ebea9e] Standard1 is fully
> synced
> INFO [AntiEntropySessions:1] 2013-04-03 15:47:00,880 AntiEntropyService.java
> (line 722) [repair #b79b4850-9c75-11e2-0000-8b5bf6ebea9e] session completed
> successfully
> root@ip-10-46-113-236:/home/ubuntu# grep b79b4850-9c75-11e2-0000-8b5bf6ebea9e
> /var/log/cassandra/system.log
> INFO [AntiEntropyStage:1] 2013-04-03 15:46:59,944 AntiEntropyService.java
> (line 244) [repair #b79b4850-9c75-11e2-0000-8b5bf6ebea9e] Sending completed
> merkle tree to /10.2.29.38 for (Keyspace1,Standard1)
> root@ip-10-72-111-225:/home/ubuntu# grep b79b4850-9c75-11e2-0000-8b5bf6ebea9e
> /var/log/cassandra/system.log
> root@ip-10-72-111-225:/home/ubuntu#
> -------
> # nodetool -h 10.46.113.236 repair -pr Keyspace1 Standard1
> [2013-04-03 15:48:00,274] Starting repair command #1, repairing 1 ranges for
> keyspace Keyspace1
> [2013-04-03 15:48:02,032] Repair session dcb91540-9c75-11e2-0000-a839ee2ccbef
> for range
> (42535295865117307932921825928971026432,127605887595351923798765477786913079296]
> finished
> [2013-04-03 15:48:02,033] Repair command #1 finished
> root@ip-10-46-113-236:/home/ubuntu# grep dcb91540-9c75-11e2-0000-a839ee2ccbef
> /var/log/cassandra/system.log
> INFO [AntiEntropySessions:5] 2013-04-03 15:48:00,280 AntiEntropyService.java
> (line 676) [repair #dcb91540-9c75-11e2-0000-a839ee2ccbef] new session: will
> sync a0/10.46.113.236, /10.2.29.38 on range
> (42535295865117307932921825928971026432,127605887595351923798765477786913079296]
> for Keyspace1.[Standard1]
> INFO [AntiEntropySessions:5] 2013-04-03 15:48:00,285 AntiEntropyService.java
> (line 881) [repair #dcb91540-9c75-11e2-0000-a839ee2ccbef] requesting merkle
> trees for Standard1 (to [/10.2.29.38, a0/10.46.113.236])
> INFO [AntiEntropyStage:1] 2013-04-03 15:48:01,710 AntiEntropyService.java
> (line 211) [repair #dcb91540-9c75-11e2-0000-a839ee2ccbef] Received merkle
> tree for Standard1 from a0/10.46.113.236
> INFO [AntiEntropyStage:1] 2013-04-03 15:48:01,943 AntiEntropyService.java
> (line 211) [repair #dcb91540-9c75-11e2-0000-a839ee2ccbef] Received merkle
> tree for Standard1 from /10.2.29.38
> INFO [AntiEntropyStage:1] 2013-04-03 15:48:02,031 AntiEntropyService.java
> (line 1015) [repair #dcb91540-9c75-11e2-0000-a839ee2ccbef] Endpoints
> a0/10.46.113.236 and /10.2.29.38 are consistent for Standard1
> INFO [AntiEntropyStage:1] 2013-04-03 15:48:02,032 AntiEntropyService.java
> (line 788) [repair #dcb91540-9c75-11e2-0000-a839ee2ccbef] Standard1 is fully
> synced
> INFO [AntiEntropySessions:5] 2013-04-03 15:48:02,032 AntiEntropyService.java
> (line 722) [repair #dcb91540-9c75-11e2-0000-a839ee2ccbef] session completed
> successfully
> root@ip-10-2-29-38:/home/ubuntu# grep dcb91540-9c75-11e2-0000-a839ee2ccbef
> /var/log/cassandra/system.log
> INFO [AntiEntropyStage:1] 2013-04-03 15:48:01,898 AntiEntropyService.java
> (line 244) [repair #dcb91540-9c75-11e2-0000-a839ee2ccbef] Sending completed
> merkle tree to /10.46.113.236 for (Keyspace1,Standard1)
> root@ip-10-72-111-225:/home/ubuntu# grep dcb91540-9c75-11e2-0000-a839ee2ccbef
> /var/log/cassandra/system.log
> root@ip-10-72-111-225:/home/ubuntu#
> -------
> # nodetool -h 10.72.111.225 repair -pr Keyspace1 Standard1
> [2013-04-03 15:48:30,417] Starting repair command #1, repairing 1 ranges for
> keyspace Keyspace1
> [2013-04-03 15:48:30,428] Repair session eeb12670-9c75-11e2-0000-316d6fba2dbf
> for range (127605887595351923798765477786913079296,0] finished
> [2013-04-03 15:48:30,428] Repair command #1 finished
> root@ip-10-72-111-225:/home/ubuntu# grep eeb12670-9c75-11e2-0000-316d6fba2dbf
> /var/log/cassandra/system.log
> INFO [AntiEntropySessions:1] 2013-04-03 15:48:30,427 AntiEntropyService.java
> (line 676) [repair #eeb12670-9c75-11e2-0000-316d6fba2dbf] new session: will
> sync /10.72.111.225 on range (127605887595351923798765477786913079296,0] for
> Keyspace1.[Standard1]
> INFO [AntiEntropySessions:1] 2013-04-03 15:48:30,428 AntiEntropyService.java
> (line 681) [repair #eeb12670-9c75-11e2-0000-316d6fba2dbf] No neighbors to
> repair with on range (127605887595351923798765477786913079296,0]: session
> completed
> root@ip-10-46-113-236:/home/ubuntu# grep eeb12670-9c75-11e2-0000-316d6fba2dbf
> /var/log/cassandra/system.log
> root@ip-10-46-113-236:/home/ubuntu#
> root@ip-10-2-29-38:/home/ubuntu# grep eeb12670-9c75-11e2-0000-316d6fba2dbf
> /var/log/cassandra/system.log
> root@ip-10-2-29-38:/home/ubuntu#
> ---
> root@ip-10-2-29-38:/home/ubuntu# nodetool -h 10.2.29.38 repair Keyspace1
> Standard1
> [2013-04-03 16:13:28,674] Starting repair command #2, repairing 3 ranges for
> keyspace Keyspace1
> [2013-04-03 16:13:31,786] Repair session 6bb81c20-9c79-11e2-0000-8b5bf6ebea9e
> for range
> (42535295865117307932921825928971026432,127605887595351923798765477786913079296]
> finished
> [2013-04-03 16:13:31,786] Repair session 6cb05ed0-9c79-11e2-0000-8b5bf6ebea9e
> for range (0,42535295865117307932921825928971026432] finished
> [2013-04-03 16:13:31,806] Repair session 6d24a470-9c79-11e2-0000-8b5bf6ebea9e
> for range (127605887595351923798765477786913079296,0] finished
> [2013-04-03 16:13:31,807] Repair command #2 finished
> root@ip-10-2-29-38:/home/ubuntu# grep 6d24a470-9c79-11e2-0000-8b5bf6ebea9e
> /var/log/cassandra/system.log
> INFO [AntiEntropySessions:7] 2013-04-03 16:13:31,065 AntiEntropyService.java
> (line 676) [repair #6d24a470-9c79-11e2-0000-8b5bf6ebea9e] new session: will
> sync a1/10.2.29.38, /10.46.113.236 on range
> (127605887595351923798765477786913079296,0] for Keyspace1.[Standard1]
> INFO [AntiEntropySessions:7] 2013-04-03 16:13:31,065 AntiEntropyService.java
> (line 881) [repair #6d24a470-9c79-11e2-0000-8b5bf6ebea9e] requesting merkle
> trees for Standard1 (to [/10.46.113.236, a1/10.2.29.38])
> INFO [AntiEntropyStage:1] 2013-04-03 16:13:31,751 AntiEntropyService.java
> (line 211) [repair #6d24a470-9c79-11e2-0000-8b5bf6ebea9e] Received merkle
> tree for Standard1 from /10.46.113.236
> INFO [AntiEntropyStage:1] 2013-04-03 16:13:31,785 AntiEntropyService.java
> (line 211) [repair #6d24a470-9c79-11e2-0000-8b5bf6ebea9e] Received merkle
> tree for Standard1 from a1/10.2.29.38
> INFO [AntiEntropyStage:1] 2013-04-03 16:13:31,805 AntiEntropyService.java
> (line 1015) [repair #6d24a470-9c79-11e2-0000-8b5bf6ebea9e] Endpoints
> /10.46.113.236 and a1/10.2.29.38 are consistent for Standard1
> INFO [AntiEntropyStage:1] 2013-04-03 16:13:31,806 AntiEntropyService.java
> (line 788) [repair #6d24a470-9c79-11e2-0000-8b5bf6ebea9e] Standard1 is fully
> synced
> INFO [AntiEntropySessions:7] 2013-04-03 16:13:31,806 AntiEntropyService.java
> (line 722) [repair #6d24a470-9c79-11e2-0000-8b5bf6ebea9e] session completed
> successfully
> root@ip-10-46-113-236:/home/ubuntu# grep 6d24a470-9c79-11e2-0000-8b5bf6ebea9e
> /var/log/cassandra/system.log
> INFO [AntiEntropyStage:1] 2013-04-03 16:13:31,665 AntiEntropyService.java
> (line 244) [repair #6d24a470-9c79-11e2-0000-8b5bf6ebea9e] Sending completed
> merkle tree to /10.2.29.38 for (Keyspace1,Standard1)
> {noformat}
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