No, but I see message of "Creating new index" after most recent restart of
Cassandra which is at 2012-07-18 13:51:37,306.
grep -i "index" /data/cassandra/log/system/system.log.2|grep -v IndexInfo
INFO [main] 2012-07-18 13:53:49,398 DatabaseDescriptor.java (line 170)
DiskAccessMode 'auto' determined to be mmap, indexAccessMode is mmap
INFO [OptionalTasks:1] 2012-07-18 14:05:27,648 SecondaryIndexManager.java
(line 183) Creating new index : ColumnDefinition{name=74696d657374616d70,
validator=org.apache.cassandra.db.marshal.DateType, index_type=KEYS,
index_name='MtsTrackingData_timestamp_idx'}
INFO [OptionalTasks:1] 2012-07-18 14:14:46,163 SecondaryIndexManager.java
(line 183) Creating new index : ColumnDefinition{name=61646a557365724e616d65,
validator=org.apache.cassandra.db.marshal.UTF8Type, index_type=KEYS,
index_name='MobilePushNotificationLog_adjUserName_idx'}
INFO [OptionalTasks:1] 2012-07-18 14:14:46,208 SecondaryIndexManager.java
(line 183) Creating new index : ColumnDefinition{name=636c69656e744964,
validator=org.apache.cassandra.db.marshal.UTF8Type, index_type=KEYS,
index_name='MobilePushNotificationLog_clientId_idx'}
INFO [OptionalTasks:1] 2012-07-18 14:14:46,298 SecondaryIndexManager.java
(line 183) Creating new index : ColumnDefinition{name=636f6e73756d6572,
validator=org.apache.cassandra.db.marshal.UTF8Type, index_type=KEYS,
index_name='MobilePushNotificationLog_consumer_idx'}
INFO [OptionalTasks:1] 2012-07-18 14:14:46,378 SecondaryIndexManager.java
(line 183) Creating new index : ColumnDefinition{name=6372656174656454696d65,
validator=org.apache.cassandra.db.marshal.UTF8Type, index_type=KEYS,
index_name='MobilePushNotificationLog_createdTime_idx'}
INFO [OptionalTasks:1] 2012-07-18 14:15:32,855 SecondaryIndexManager.java
(line 183) Creating new index :
ColumnDefinition{name=64656c69766572656454696d65,
validator=org.apache.cassandra.db.marshal.UTF8Type, index_type=KEYS,
index_name='MobilePushNotificationLog_deliveredTime_idx'}
INFO [OptionalTasks:1] 2012-07-18 14:16:18,503 SecondaryIndexManager.java
(line 183) Creating new index : ColumnDefinition{name=6465766963654964,
validator=org.apache.cassandra.db.marshal.UTF8Type, index_type=KEYS,
index_name='MobilePushNotificationLog_deviceId_idx'}
INFO [OptionalTasks:1] 2012-07-18 14:16:33,154 SecondaryIndexManager.java
(line 183) Creating new index : ColumnDefinition{name=646576696365546f6b656e,
validator=org.apache.cassandra.db.marshal.UTF8Type, index_type=KEYS,
index_name='MobilePushNotificationLog_deviceToken_idx'}
INFO [OptionalTasks:1] 2012-07-18 14:16:49,189 SecondaryIndexManager.java
(line 183) Creating new index : ColumnDefinition{name=6576656e744e616d65,
validator=org.apache.cassandra.db.marshal.UTF8Type, index_type=KEYS,
index_name='MobilePushNotificationLog_eventName_idx'}
INFO [OptionalTasks:1] 2012-07-18 14:16:49,318 SecondaryIndexManager.java
(line 183) Creating new index : ColumnDefinition{name=6e6f7469664964,
validator=org.apache.cassandra.db.marshal.UTF8Type, index_type=KEYS,
index_name='MobilePushNotificationLog_notifId_idx'}
INFO [OptionalTasks:1] 2012-07-18 14:17:27,073 SecondaryIndexManager.java
(line 183) Creating new index : ColumnDefinition{name=7265666572656e63654964,
validator=org.apache.cassandra.db.marshal.UTF8Type, index_type=KEYS,
index_name='MobilePushNotificationLog_referenceId_idx'}
INFO [OptionalTasks:1] 2012-07-18 14:17:47,574 SecondaryIndexManager.java
(line 183) Creating new index : ColumnDefinition{name=757365724e616d65,
validator=org.apache.cassandra.db.marshal.UTF8Type, index_type=KEYS,
index_name='MobilePushNotificationLog_userName_idx'}
Feng Qu
>________________________________
> From: aaron morton <[email protected]>
>To: [email protected]; Feng Qu <[email protected]>
>Sent: Friday, July 20, 2012 2:25 AM
>Subject: Re: does secondary index get created(rebuilt?) every time Cassandra
>restarts?
>
>> INFO [OptionalTasks:1] 2012-07-18 14:05:27,648 SecondaryIndexManager.java
>>(line 183) Creating new index : ColumnDefinition{name=74696d657374616d70,
>>validator=org.apache.cassandra.db.marshal.DateType, index_type=KEYS,
>>index_name='MtsTrackingData_timestamp_idx'}
>Is the system reading the index meta data.
>
>Do you see any INFO level messages with "Submitting index build" ?
>
>cheers
>
>-----------------
>Aaron Morton
>Freelance Developer
>@aaronmorton
>http://www.thelastpickle.com
>
>On 20/07/2012, at 5:52 AM, Feng Qu wrote:
>
>> We have a CF with 11 secondary indexes (don't ask me why) and I noticed
>> restarting cassandra takes much longer time comparing to other clusters
>> without secondary indexes. In system.log I see 20 mins pause on building
>> index.
>>
>> this example shows a 12 mins gap.
>> INFO [SSTableBatchOpen:13] 2012-07-18 13:53:51,556 SSTableReader.java (line
>>153) Opening /data/cassandra/data/mobileks/MtsTrackingData-hc-5744
>>(1950145442 bytes)
>> INFO [SSTableBatchOpen:12] 2012-07-18 13:53:51,556 SSTableReader.java (line
>>153) Opening /data/cassandra/data/mobileks/MtsTrackingData-hc-5197
>>(12551211807 bytes)
>> INFO [OptionalTasks:1] 2012-07-18 14:05:27,648 SecondaryIndexManager.java
>>(line 183) Creating new index : ColumnDefinition{name=74696d657374616d70,
>>validator=org.apache.cassandra.db.marshal.DateType, index_type=KEYS,
>>index_name='MtsTrackingData_timestamp_idx'}
>> INFO [SSTableBatchOpen:2] 2012-07-18 14:05:27,673 SSTableReader.java (line
>>153) Opening
>>/data/cassandra/data/mobileks/MtsTrackingData.MtsTrackingData_timestamp_idx-hc-4354
>> (64493843 bytes)
>> INFO [SSTableBatchOpen:1] 2012-07-18 14:05:27,673 SSTableReader.java (line
>>153) Opening
>>/data/cassandra/data/mobileks/MtsTrackingData.MtsTrackingData_timestamp_idx-hc-4344
>> (258674041 bytes)
>> INFO [SSTableBatchOpen:5] 2012-07-18 14:05:27,673 SSTableReader.java (line
>>153) Opening
>>/data/cassandra/data/mobileks/MtsTrackingData.MtsTrackingData_timestamp_idx-hc-1826
>> (3397211685 bytes)
>>
>> Is this by design? Why it has to be created during start up?
>>
>> Feng Qu
>
>
>
>
