Re: Cassandra upgrade from 2.1 to 3.0
We are using datstax java driver 1.5.0 Thank you. On Saturday, 12 May 2018, 10:37:04 GMT-7, Jeff Jirsa wrote: I haven't seen this before, but I have a guess. What client/driver are you using? Are you using a prepared statement that has every column listed for the update, and leaving the un-set columns as null? If so, the null is being translated into a delete, which is clearly not what you want. The differentiation between UNSET and NULL went into 2.2 ( https://issues.apache.org/jira/browse/CASSANDRA-7304 ) , and most drivers have been updated to know the difference ( https://github.com/gocql/gocql/issues/861 , https://datastax-oss.atlassian.net/browse/JAVA-777 , etc). I haven't read the patch for 7304, but I suspect that maybe there's some sort of mixup along the way (maybe in your driver, or maybe you upgraded the driver to support 3.0 and picked up a new feature you didnt realize you picked up, etc) On Fri, May 11, 2018 at 11:26 AM, kooljava2 wrote: After further analyzing the data. I see some pattern. The rows which were updated in last 2-3 weeks, the column which were not part of this update have the null values. Has anyone encountered this issue during the upgrade? Thank you, On Thursday, 10 May 2018, 19:49:50 GMT-7, kooljava2 wrote: Hello Jeff, 2.1.19 to 3.0.15. Thank you. On Thursday, 10 May 2018, 17:43:58 GMT-7, Jeff Jirsa wrote: Which minor version of 3.0 -- Jeff Jirsa On May 11, 2018, at 2:54 AM, kooljava2 wrote: Hello, Upgraded Cassandra 2.1 to 3.0. We see certain data in few columns being set to "null". These null columns were created during the row creation time. After looking at the data see a pattern where update was done on these rows. Rows which were updated has data but rows which were not part of the update are set to null. created_on | created_by | id -- ---+-+ -- --- null | null | 12345 sstabledump:- WARN 20:47:38,741 Small cdc volume detected at /var/lib/cassandra/cdc_raw; setting cdc_total_space_in_mb to 1278. You can override this in cassandra.yaml [ { "partition" : { "key" : [ "12345" ], "position" : 5155159 }, "rows" : [ { "type" : "row", "position" : 5168738, "deletion_info" : { "marked_deleted" : "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" }, "cells" : [ { "name" : "doc_type", "value" : false, "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "industry", "deletion_info" : { "local_delete_time" : "2018-03-28T20:38:08Z" }, "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "last_modified_by", "value" : "12345", "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "last_modified_date", "value" : "2018-03-28 20:38:08.059Z", "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "locale", "deletion_info" : { "local_delete_time" : "2018-03-28T20:38:08Z" }, "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "postal_code", "deletion_info" : { "local_delete_time" : "2018-03-28T20:38:08Z" }, "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "ticket", "deletion_info" : { "marked_deleted" : "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" } }, { "name" : "ticket", "path" : [ "TEMP_DATA" ], "value" : "{\"name\":\"TEMP_DATA\",\" ticket\":\" a42638dae8350e889f2603be1427ac 6f5dec5e486d4db164a76bf80820cd f68d635cff5e7d555e6d4eabb9b5b8 2597b68bec0fcd735fcca\",\" lastRenewedDate\":\"2018-03- 28T20:38:08Z\"}", "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "ticket", "path" : [ "TEMP_TEMP2" ], "value" : "{\"name\":\"TEMP_TEMP2\",\" ticket\":\"a4263b7350d1f2683\" ,\"lastRenewedDate\":\"2018- 03-28T20:38:07Z\"}", "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "ppstatus_pf", "deletion_info" : { "marked_deleted" : "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" } }, { "name" : "ppstatus_pers", "deletion_info" : { "marked_deleted" : "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" } } ] } ] } ]WARN 20:47:41,325 Small cdc volume detected at /var/lib/cassandra/cdc_raw; setting cdc_total_space_in_mb to 1278. You can override this in cassandra.yaml [ { "partition" : { "key" : [ "12345" ], "position" : 18743072 }, "rows" : [ { "type" : "row", "position" : 18751808, "liveness_info" : { "tstamp" : "2017-10-25T10:22:41.612Z" }, "cells" : [ { "name" : "created_by", "value" : "12345" }, { "name" : "created_on", "value" : "2017-10-25 10:22:41.637Z" }, { "name" : "doc
Re: Cassandra upgrade from 2.1 to 3.0
I haven't seen this before, but I have a guess. What client/driver are you using? Are you using a prepared statement that has every column listed for the update, and leaving the un-set columns as null? If so, the null is being translated into a delete, which is clearly not what you want. The differentiation between UNSET and NULL went into 2.2 ( https://issues.apache.org/jira/browse/CASSANDRA-7304 ) , and most drivers have been updated to know the difference ( https://github.com/gocql/gocql/issues/861 , https://datastax-oss.atlassian.net/browse/JAVA-777 , etc). I haven't read the patch for 7304, but I suspect that maybe there's some sort of mixup along the way (maybe in your driver, or maybe you upgraded the driver to support 3.0 and picked up a new feature you didnt realize you picked up, etc) On Fri, May 11, 2018 at 11:26 AM, kooljava2 wrote: > After further analyzing the data. I see some pattern. The rows which were > updated in last 2-3 weeks, the column which were not part of this update > have the null values. > > Has anyone encountered this issue during the upgrade? > > > Thank you, > > > On Thursday, 10 May 2018, 19:49:50 GMT-7, kooljava2 > wrote: > > > Hello Jeff, > > 2.1.19 to 3.0.15. > > Thank you. > > On Thursday, 10 May 2018, 17:43:58 GMT-7, Jeff Jirsa > wrote: > > > Which minor version of 3.0 > > -- > Jeff Jirsa > > > On May 11, 2018, at 2:54 AM, kooljava2 > wrote: > > > Hello, > > Upgraded Cassandra 2.1 to 3.0. We see certain data in few columns being > set to "null". These null columns were created during the row creation time. > > After looking at the data see a pattern where update was done on these > rows. Rows which were updated has data but rows which were not part of the > update are set to null. > > created_on| created_by | id > -+-+ > - > null |null > |12345 > > > > sstabledump:- > > WARN 20:47:38,741 Small cdc volume detected at > /var/lib/cassandra/cdc_raw; setting cdc_total_space_in_mb to 1278. You can > override this in cassandra.yaml > [ > { > "partition" : { > "key" : [ "12345" ], > "position" : 5155159 > }, > "rows" : [ > { > "type" : "row", > "position" : 5168738, > "deletion_info" : { "marked_deleted" : > "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" > }, > "cells" : [ > { "name" : "doc_type", "value" : false, "tstamp" : > "2018-03-28T20:38:08.060Z" }, > { "name" : "industry", "deletion_info" : { "local_delete_time" : > "2018-03-28T20:38:08Z" }, > "tstamp" : "2018-03-28T20:38:08.060Z" > }, > { "name" : "last_modified_by", "value" : "12345", "tstamp" : > "2018-03-28T20:38:08.060Z" }, > { "name" : "last_modified_date", "value" : "2018-03-28 > 20:38:08.059Z", "tstamp" : "2018-03-28T20:38:08.060Z" }, > { "name" : "locale", "deletion_info" : { "local_delete_time" : > "2018-03-28T20:38:08Z" }, > "tstamp" : "2018-03-28T20:38:08.060Z" > }, > { "name" : "postal_code", "deletion_info" : { > "local_delete_time" : "2018-03-28T20:38:08Z" }, > "tstamp" : "2018-03-28T20:38:08.060Z" > }, > { "name" : "ticket", "deletion_info" : { "marked_deleted" : > "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" > } }, > { "name" : "ticket", "path" : [ "TEMP_DATA" ], "value" : > "{\"name\":\"TEMP_DATA\",\"ticket\":\"a42638dae8350e889f2603be1427ac > 6f5dec5e486d4db164a76bf80820cdf68d635cff5e7d555e6d4eabb9b5b8 > 2597b68bec0fcd735fcca\",\"lastRenewedDate\":\"2018-03-28T20:38:08Z\"}", > "tstamp" : "2018-03-28T20:38:08.060Z" }, > { "name" : "ticket", "path" : [ "TEMP_TEMP2" ], "value" : > "{\"name\":\"TEMP_TEMP2\",\"ticket\":\"a4263b7350d1f2683\" > ,\"lastRenewedDate\":\"2018-03-28T20:38:07Z\"}", "tstamp" : > "2018-03-28T20:38:08.060Z" }, > { "name" : "ppstatus_pf", "deletion_info" : { "marked_deleted" : > "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" > } }, > { "name" : "ppstatus_pers", "deletion_info" : { "marked_deleted" > : "2018-03-28T20:38:08.05Z", "local_delete_time" : > "2018-03-28T20:38:08Z" } } > ] > } > ] > } > ]WARN 20:47:41,325 Small cdc volume detected at > /var/lib/cassandra/cdc_raw; setting cdc_total_space_in_mb to 1278. You can > override this in cassandra.yaml > [ > { > "partition" : { > "key" : [ "12345" ], > "position" : 18743072 > }, > "rows" : [ > { > "type" : "row", > "position" : 18751808, > "liveness_info" : { "tstamp" : "2017-10-25T10:22:41.612Z" }, > "cells" : [ > { "name" : "created_by", "value" : "12345" }, > { "name" : "created_on", "value" : "2017-10
Re: Cassandra upgrade from 2.1 to 3.0
After further analyzing the data. I see some pattern. The rows which were updated in last 2-3 weeks, the column which were not part of this update have the null values. Has anyone encountered this issue during the upgrade? Thank you, On Thursday, 10 May 2018, 19:49:50 GMT-7, kooljava2 wrote: Hello Jeff, 2.1.19 to 3.0.15. Thank you. On Thursday, 10 May 2018, 17:43:58 GMT-7, Jeff Jirsa wrote: Which minor version of 3.0 -- Jeff Jirsa On May 11, 2018, at 2:54 AM, kooljava2 wrote: Hello, Upgraded Cassandra 2.1 to 3.0. We see certain data in few columns being set to "null". These null columns were created during the row creation time. After looking at the data see a pattern where update was done on these rows. Rows which were updated has data but rows which were not part of the update are set to null. created_on | created_by | id -+-+- null | null | 12345 sstabledump:- WARN 20:47:38,741 Small cdc volume detected at /var/lib/cassandra/cdc_raw; setting cdc_total_space_in_mb to 1278. You can override this in cassandra.yaml [ { "partition" : { "key" : [ "12345" ], "position" : 5155159 }, "rows" : [ { "type" : "row", "position" : 5168738, "deletion_info" : { "marked_deleted" : "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" }, "cells" : [ { "name" : "doc_type", "value" : false, "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "industry", "deletion_info" : { "local_delete_time" : "2018-03-28T20:38:08Z" }, "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "last_modified_by", "value" : "12345", "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "last_modified_date", "value" : "2018-03-28 20:38:08.059Z", "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "locale", "deletion_info" : { "local_delete_time" : "2018-03-28T20:38:08Z" }, "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "postal_code", "deletion_info" : { "local_delete_time" : "2018-03-28T20:38:08Z" }, "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "ticket", "deletion_info" : { "marked_deleted" : "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" } }, { "name" : "ticket", "path" : [ "TEMP_DATA" ], "value" : "{\"name\":\"TEMP_DATA\",\"ticket\":\"a42638dae8350e889f2603be1427ac6f5dec5e486d4db164a76bf80820cdf68d635cff5e7d555e6d4eabb9b5b82597b68bec0fcd735fcca\",\"lastRenewedDate\":\"2018-03-28T20:38:08Z\"}", "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "ticket", "path" : [ "TEMP_TEMP2" ], "value" : "{\"name\":\"TEMP_TEMP2\",\"ticket\":\"a4263b7350d1f2683\",\"lastRenewedDate\":\"2018-03-28T20:38:07Z\"}", "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "ppstatus_pf", "deletion_info" : { "marked_deleted" : "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" } }, { "name" : "ppstatus_pers", "deletion_info" : { "marked_deleted" : "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" } } ] } ] } ]WARN 20:47:41,325 Small cdc volume detected at /var/lib/cassandra/cdc_raw; setting cdc_total_space_in_mb to 1278. You can override this in cassandra.yaml [ { "partition" : { "key" : [ "12345" ], "position" : 18743072 }, "rows" : [ { "type" : "row", "position" : 18751808, "liveness_info" : { "tstamp" : "2017-10-25T10:22:41.612Z" }, "cells" : [ { "name" : "created_by", "value" : "12345" }, { "name" : "created_on", "value" : "2017-10-25 10:22:41.637Z" }, { "name" : "doc_type", "value" : false, "tstamp" : "2017-10-25T10:22:42.487Z" }, { "name" : "last_modified_by", "value" : "12345", "tstamp" : "2017-10-25T10:22:42.487Z" }, { "name" : "last_modified_date", "value" : "2017-11-10 00:09:52.668Z", "tstamp" : "2017-11-10T00:09:52.668Z" }, { "name" : "per_type", "value" : "user" }, { "name" : "lists", "path" : [ "cn.cncn.bpnp" ], "value" : "[\"::accid:ab\",\"::accid:e1\",\"::accid:d2\",\"::accid:d3\",\"::accid:f3\",\"::accid:g3\",\"::accid:f4\",\"::accid:9c486ae5-00b2-3c63-af70-cff2950c4181\"]", "tstamp" : "2017-10-25T10:22:42.782Z" }, { "name" : "ticket", "path" : [ "TEMP_TEMP2" ], "value" : "{\"name\":\"TEMP_TEMP2\",\"ticket\":\"a4263820be49c3a222e0248532bcefc80c773194a804057561a97382e595b51f36bb46b8675589fc89dea4a5c0ceb944d63861b39d63c0067161e84c79328077c650df33530c7625857444711dc4b1051638123694ba6e9e29b1f906663f3\",\"lastRenewedDate\":\"2017-11-10T00:09:52Z\"}", "tstamp" : "2017-11-10T00:09:52.668Z" }
Re: Cassandra upgrade from 2.1 to 3.0
Hello Jeff, 2.1.19 to 3.0.15. Thank you. On Thursday, 10 May 2018, 17:43:58 GMT-7, Jeff Jirsa wrote: Which minor version of 3.0 -- Jeff Jirsa On May 11, 2018, at 2:54 AM, kooljava2 wrote: Hello, Upgraded Cassandra 2.1 to 3.0. We see certain data in few columns being set to "null". These null columns were created during the row creation time. After looking at the data see a pattern where update was done on these rows. Rows which were updated has data but rows which were not part of the update are set to null. created_on | created_by | id -+-+- null | null | 12345 sstabledump:- WARN 20:47:38,741 Small cdc volume detected at /var/lib/cassandra/cdc_raw; setting cdc_total_space_in_mb to 1278. You can override this in cassandra.yaml [ { "partition" : { "key" : [ "12345" ], "position" : 5155159 }, "rows" : [ { "type" : "row", "position" : 5168738, "deletion_info" : { "marked_deleted" : "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" }, "cells" : [ { "name" : "doc_type", "value" : false, "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "industry", "deletion_info" : { "local_delete_time" : "2018-03-28T20:38:08Z" }, "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "last_modified_by", "value" : "12345", "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "last_modified_date", "value" : "2018-03-28 20:38:08.059Z", "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "locale", "deletion_info" : { "local_delete_time" : "2018-03-28T20:38:08Z" }, "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "postal_code", "deletion_info" : { "local_delete_time" : "2018-03-28T20:38:08Z" }, "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "ticket", "deletion_info" : { "marked_deleted" : "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" } }, { "name" : "ticket", "path" : [ "TEMP_DATA" ], "value" : "{\"name\":\"TEMP_DATA\",\"ticket\":\"a42638dae8350e889f2603be1427ac6f5dec5e486d4db164a76bf80820cdf68d635cff5e7d555e6d4eabb9b5b82597b68bec0fcd735fcca\",\"lastRenewedDate\":\"2018-03-28T20:38:08Z\"}", "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "ticket", "path" : [ "TEMP_TEMP2" ], "value" : "{\"name\":\"TEMP_TEMP2\",\"ticket\":\"a4263b7350d1f2683\",\"lastRenewedDate\":\"2018-03-28T20:38:07Z\"}", "tstamp" : "2018-03-28T20:38:08.060Z" }, { "name" : "ppstatus_pf", "deletion_info" : { "marked_deleted" : "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" } }, { "name" : "ppstatus_pers", "deletion_info" : { "marked_deleted" : "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" } } ] } ] } ]WARN 20:47:41,325 Small cdc volume detected at /var/lib/cassandra/cdc_raw; setting cdc_total_space_in_mb to 1278. You can override this in cassandra.yaml [ { "partition" : { "key" : [ "12345" ], "position" : 18743072 }, "rows" : [ { "type" : "row", "position" : 18751808, "liveness_info" : { "tstamp" : "2017-10-25T10:22:41.612Z" }, "cells" : [ { "name" : "created_by", "value" : "12345" }, { "name" : "created_on", "value" : "2017-10-25 10:22:41.637Z" }, { "name" : "doc_type", "value" : false, "tstamp" : "2017-10-25T10:22:42.487Z" }, { "name" : "last_modified_by", "value" : "12345", "tstamp" : "2017-10-25T10:22:42.487Z" }, { "name" : "last_modified_date", "value" : "2017-11-10 00:09:52.668Z", "tstamp" : "2017-11-10T00:09:52.668Z" }, { "name" : "per_type", "value" : "user" }, { "name" : "lists", "path" : [ "cn.cncn.bpnp" ], "value" : "[\"::accid:ab\",\"::accid:e1\",\"::accid:d2\",\"::accid:d3\",\"::accid:f3\",\"::accid:g3\",\"::accid:f4\",\"::accid:9c486ae5-00b2-3c63-af70-cff2950c4181\"]", "tstamp" : "2017-10-25T10:22:42.782Z" }, { "name" : "ticket", "path" : [ "TEMP_TEMP2" ], "value" : "{\"name\":\"TEMP_TEMP2\",\"ticket\":\"a4263820be49c3a222e0248532bcefc80c773194a804057561a97382e595b51f36bb46b8675589fc89dea4a5c0ceb944d63861b39d63c0067161e84c79328077c650df33530c7625857444711dc4b1051638123694ba6e9e29b1f906663f3\",\"lastRenewedDate\":\"2017-11-10T00:09:52Z\"}", "tstamp" : "2017-11-10T00:09:52.668Z" } ] } ] } ]
Re: Cassandra upgrade from 2.1 to 3.0
Which minor version of 3.0 -- Jeff Jirsa > On May 11, 2018, at 2:54 AM, kooljava2 wrote: > > > Hello, > > Upgraded Cassandra 2.1 to 3.0. We see certain data in few columns being set > to "null". These null columns were created during the row creation time. > > After looking at the data see a pattern where update was done on these rows. > Rows which were updated has data but rows which were not part of the update > are set to null. > > created_on| created_by | id > -+-+- > null |null | > 12345 > > > > sstabledump:- > > WARN 20:47:38,741 Small cdc volume detected at /var/lib/cassandra/cdc_raw; > setting cdc_total_space_in_mb to 1278. You can override this in > cassandra.yaml > [ > { > "partition" : { > "key" : [ "12345" ], > "position" : 5155159 > }, > "rows" : [ > { > "type" : "row", > "position" : 5168738, > "deletion_info" : { "marked_deleted" : "2018-03-28T20:38:08.05Z", > "local_delete_time" : "2018-03-28T20:38:08Z" }, > "cells" : [ > { "name" : "doc_type", "value" : false, "tstamp" : > "2018-03-28T20:38:08.060Z" }, > { "name" : "industry", "deletion_info" : { "local_delete_time" : > "2018-03-28T20:38:08Z" }, > "tstamp" : "2018-03-28T20:38:08.060Z" > }, > { "name" : "last_modified_by", "value" : "12345", "tstamp" : > "2018-03-28T20:38:08.060Z" }, > { "name" : "last_modified_date", "value" : "2018-03-28 > 20:38:08.059Z", "tstamp" : "2018-03-28T20:38:08.060Z" }, > { "name" : "locale", "deletion_info" : { "local_delete_time" : > "2018-03-28T20:38:08Z" }, > "tstamp" : "2018-03-28T20:38:08.060Z" > }, > { "name" : "postal_code", "deletion_info" : { "local_delete_time" : > "2018-03-28T20:38:08Z" }, > "tstamp" : "2018-03-28T20:38:08.060Z" > }, > { "name" : "ticket", "deletion_info" : { "marked_deleted" : > "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" } > }, > { "name" : "ticket", "path" : [ "TEMP_DATA" ], "value" : > "{\"name\":\"TEMP_DATA\",\"ticket\":\"a42638dae8350e889f2603be1427ac6f5dec5e486d4db164a76bf80820cdf68d635cff5e7d555e6d4eabb9b5b82597b68bec0fcd735fcca\",\"lastRenewedDate\":\"2018-03-28T20:38:08Z\"}", > "tstamp" : "2018-03-28T20:38:08.060Z" }, > { "name" : "ticket", "path" : [ "TEMP_TEMP2" ], "value" : > "{\"name\":\"TEMP_TEMP2\",\"ticket\":\"a4263b7350d1f2683\",\"lastRenewedDate\":\"2018-03-28T20:38:07Z\"}", > "tstamp" : "2018-03-28T20:38:08.060Z" }, > { "name" : "ppstatus_pf", "deletion_info" : { "marked_deleted" : > "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" } > }, > { "name" : "ppstatus_pers", "deletion_info" : { "marked_deleted" : > "2018-03-28T20:38:08.05Z", "local_delete_time" : "2018-03-28T20:38:08Z" } > } > ] > } > ] > } > ]WARN 20:47:41,325 Small cdc volume detected at /var/lib/cassandra/cdc_raw; > setting cdc_total_space_in_mb to 1278. You can override this in > cassandra.yaml > [ > { > "partition" : { > "key" : [ "12345" ], > "position" : 18743072 > }, > "rows" : [ > { > "type" : "row", > "position" : 18751808, > "liveness_info" : { "tstamp" : "2017-10-25T10:22:41.612Z" }, > "cells" : [ > { "name" : "created_by", "value" : "12345" }, > { "name" : "created_on", "value" : "2017-10-25 10:22:41.637Z" }, > { "name" : "doc_type", "value" : false, "tstamp" : > "2017-10-25T10:22:42.487Z" }, > { "name" : "last_modified_by", "value" : "12345", "tstamp" : > "2017-10-25T10:22:42.487Z" }, > { "name" : "last_modified_date", "value" : "2017-11-10 > 00:09:52.668Z", "tstamp" : "2017-11-10T00:09:52.668Z" }, > { "name" : "per_type", "value" : "user" }, > { "name" : "lists", "path" : [ "cn.cncn.bpnp" ], "value" : > "[\"::accid:ab\",\"::accid:e1\",\"::accid:d2\",\"::accid:d3\",\"::accid:f3\",\"::accid:g3\",\"::accid:f4\",\"::accid:9c486ae5-00b2-3c63-af70-cff2950c4181\"]", > "tstamp" : "2017-10-25T10:22:42.782Z" }, > { "name" : "ticket", "path" : [ "TEMP_TEMP2" ], "value" : > "{\"name\":\"TEMP_TEMP2\",\"ticket\":\"a4263820be49c3a222e0248532bcefc80c773194a804057561a97382e595b51f36bb46b8675589fc89dea4a5c0ceb944d63861b39d63c0067161e84c79328077c650df33530c7625857444711dc4b1051638123694ba6e9e29b1f906663f3\",\"lastRenewedDate\":\"2017-11-10T00:09:52Z\"}", > "tstamp" : "2017-11-10T00:09:52.668Z" } > ] > } > ] > } > ]