One more piece of information, we are using Pulsar 2.8.2

On Mon, Apr 25, 2022 at 2:24 PM Tecno Brain <cerebrotecnolog...@gmail.com>
wrote:

> but we did find messages about resetting of the cursor for the topic with
> the problem:
>
> "@timestamp",message,mediaId,taskId,appName
> "Apr 25, 2022 @ 12:18:31.922","19:18:31.922
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 285143:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:31.926","19:18:31.926
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 285463:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:31.926","19:18:31.926
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 285143:0 before current read position 290249:238 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:31.937","19:18:31.937
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 285463:0 skipping from current read position 285143:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:31.937","19:18:31.937
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 285790:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:31.957","19:18:31.957
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 286120:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:31.957","19:18:31.957
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 285790:0 skipping from current read position 285463:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:31.978","19:18:31.978
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 286439:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:31.978","19:18:31.978
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 286120:0 skipping from current read position 285790:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:31.999","19:18:31.999
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 286439:0 skipping from current read position 286120:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:31.999","19:18:31.999
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 286754:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.020","19:18:32.020
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 286754:0 skipping from current read position 286439:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.020","19:18:32.020
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 287227:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.041","19:18:32.041
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 287227:0 skipping from current read position 286754:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.041","19:18:32.041
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 287627:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.062","19:18:32.062
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 288001:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.062","19:18:32.061
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 287627:0 skipping from current read position 287227:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.077","19:18:32.077
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 288373:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.077","19:18:32.077
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 288001:0 skipping from current read position 287627:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.098","19:18:32.098
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 288373:0 skipping from current read position 288001:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.098","19:18:32.098
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 288733:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.119","19:18:32.118
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 288733:0 skipping from current read position 288373:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.119","19:18:32.119
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 289101:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.136","19:18:32.136
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 289101:0 skipping from current read position 288733:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.136","19:18:32.136
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 289480:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.150","19:18:32.150
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 289480:0 skipping from current read position 289101:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.150","19:18:32.150
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 289849:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.171","19:18:32.171
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 289849:0 skipping from current read position 289480:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.171","19:18:32.171
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> Initiate reset position to 290249:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.188","19:18:32.188
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 285022:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.188","19:18:32.188
> [BookKeeperClientWorker-OrderedExecutor-0-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-1]
> reset position to 290249:0 skipping from current read position 289849:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.208","19:18:32.208
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 285345:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.208","19:18:32.207
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 285022:0 before current read position 290104:1946 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.228","19:18:32.228
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 285345:0 skipping from current read position 285022:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.228","19:18:32.228
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 285668:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.249","19:18:32.249
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 285992:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.249","19:18:32.249
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 285668:0 skipping from current read position 285345:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.270","19:18:32.270
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 285992:0 skipping from current read position 285668:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.270","19:18:32.270
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 286320:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.291","19:18:32.291
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 286320:0 skipping from current read position 285992:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.291","19:18:32.291
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 286635:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.311","19:18:32.311
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 286635:0 skipping from current read position 286320:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.311","19:18:32.311
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 287023:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.332","19:18:32.332
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 287023:0 skipping from current read position 286635:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.332","19:18:32.332
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 287500:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.353","19:18:32.353
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 287500:0 skipping from current read position 287023:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.353","19:18:32.353
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 287873:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.374","19:18:32.374
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 287873:0 skipping from current read position 287500:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.374","19:18:32.374
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 288244:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.395","19:18:32.395
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 288244:0 skipping from current read position 287873:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.395","19:18:32.395
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 288603:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.416","19:18:32.416
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 288603:0 skipping from current read position 288244:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.416","19:18:32.416
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 288977:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.433","19:18:32.432
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 288977:0 skipping from current read position 288603:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.433","19:18:32.433
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 289356:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.452","19:18:32.452
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 289724:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.452","19:18:32.452
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 289356:0 skipping from current read position 288977:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.473","19:18:32.473
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 289724:0 skipping from current read position 289356:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.473","19:18:32.473
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> Initiate reset position to 290104:0 on cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
> "Apr 25, 2022 @ 12:18:32.494","19:18:32.494
> [BookKeeperClientWorker-OrderedExecutor-1-0] INFO
>  org.apache.bookkeeper.mledger.impl.ManagedCursorImpl -
> [platform/system/persistent/tsc-sm-request-recognition-en-odd-partition-0]
> reset position to 290104:0 skipping from current read position 289724:0 on
> cursor
> platform_persistent%3A%2F%2Fplatform%2Fsystem%2Ftsc-sm-request-recognition-en-odd_queue","-","-","pulsar-broker"
>
> On Mon, Apr 25, 2022 at 2:16 PM Tecno Brain <cerebrotecnolog...@gmail.com>
> wrote:
>
>> I observed the same problem again, the cursor of a topic got reset about
>> an hour and 15 minutes.
>> The queue went from zero to about 2,000 elements in a second without any
>> application adding messages. All messages that had occurred during that
>> time were replayed.
>> (My application, as you can see, does not generate a lot of messages for
>> this topic).
>>
>> I need to understand how the cursors are stored.
>>
>> Can anyone point me to any documentation or code?
>>
>> I could not find any exceptions in the log for that topic, but I did
>> found around the same time the following exception in a different topic.
>> Any help is appreciated.
>>
>> "Apr 25, 2022 @ 12:18:32.509","19:18:32.509 
>> [BookKeeperClientWorker-OrderedExecutor-0-0] WARN  
>> org.apache.bookkeeper.client.BookieWatcherImpl - New ensemble: 
>> [pulsar-bookie-0.pulsar-bookie.pulsar.svc.cluster.local:3181, 
>> pulsar-bookie-3.pulsar-bookie.pulsar.svc.cluster.local:3181, 
>> pulsar-bookie-2.pulsar-bookie.pulsar.svc.cluster.local:3181] is not adhering 
>> to Placement Policy. quarantinedBookies: []"
>> "Apr 25, 2022 @ 12:18:31.958","19:18:31.958 [pulsar-io-4-3] WARN  
>> org.apache.bookkeeper.client.BookieWatcherImpl - New ensemble: 
>> [pulsar-bookie-3.pulsar-bookie.pulsar.svc.cluster.local:3181, 
>> pulsar-bookie-0.pulsar-bookie.pulsar.svc.cluster.local:3181, 
>> pulsar-bookie-4.pulsar-bookie.pulsar.svc.cluster.local:3181] is not adhering 
>> to Placement Policy. quarantinedBookies: []"
>> "Apr 25, 2022 @ 12:18:31.921","java.lang.NullPointerException: null"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> org.apache.pulsar.broker.service.BacklogQuotaManager.dropBacklogForTimeLimit(BacklogQuotaManager.java:247)
>>  ~[io.streamnative-pulsar-broker-2.8.2.0.jar:2.8.2.0]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> org.apache.pulsar.broker.service.BrokerService.lambda$forEachTopic$71(BrokerService.java:1684)
>>  ~[io.streamnative-pulsar-broker-2.8.2.0.jar:2.8.2.0]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap$Section.forEach(ConcurrentOpenHashMap.java:413)
>>  ~[io.streamnative-pulsar-common-2.8.2.0.jar:2.8.2.0]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap.forEach(ConcurrentOpenHashMap.java:185)
>>  ~[io.streamnative-pulsar-common-2.8.2.0.jar:2.8.2.0]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> org.apache.pulsar.broker.service.BrokerService.monitorBacklogQuota(BrokerService.java:1693)
>>  ~[io.streamnative-pulsar-broker-2.8.2.0.jar:2.8.2.0]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> org.apache.bookkeeper.mledger.util.SafeRun$1.safeRun(SafeRun.java:32) 
>> [io.streamnative-managed-ledger-2.8.2.0.jar:2.8.2.0]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> org.apache.bookkeeper.common.util.SafeRunnable.run(SafeRunnable.java:36) 
>> [org.apache.bookkeeper-bookkeeper-common-4.14.3.jar:4.14.3]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) [?:?]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>>  [?:?]"
>> "Apr 25, 2022 @ 12:18:31.921","19:18:31.906 
>> [pulsar-backlog-quota-checker-35-1] ERROR 
>> org.apache.pulsar.broker.service.BacklogQuotaManager - 
>> [persistent://platform/system/merge-response-publish-odd-partition-2] Error 
>> resetting cursor for slowest consumer 
>> [platform_merge-response-publish-odd_queue]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> org.apache.pulsar.broker.service.BacklogQuotaManager.handleExceededBacklogQuota(BacklogQuotaManager.java:129)
>>  ~[io.streamnative-pulsar-broker-2.8.2.0.jar:2.8.2.0]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> org.apache.pulsar.broker.service.BrokerService.lambda$monitorBacklogQuota$72(BrokerService.java:1700)
>>  ~[io.streamnative-pulsar-broker-2.8.2.0.jar:2.8.2.0]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> java.util.Optional.ifPresent(Optional.java:183) ~[?:?]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> org.apache.pulsar.broker.service.BrokerService.forEachTopic(BrokerService.java:1682)
>>  ~[io.streamnative-pulsar-broker-2.8.2.0.jar:2.8.2.0]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
>>  [?:?]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) 
>> [?:?]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>>  [?:?]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
>>  [io.netty-netty-common-4.1.72.Final.jar:4.1.72.Final]"
>> "Apr 25, 2022 @ 12:18:31.921","      at 
>> java.lang.Thread.run(Thread.java:829) [?:?]"
>> "Apr 25, 2022 @ 12:18:31.888","19:18:31.888 
>> [BookKeeperClientWorker-OrderedExecutor-0-0] WARN  
>> org.apache.bookkeeper.client.BookieWatcherImpl - New ensemble: 
>> [pulsar-bookie-3.pulsar-bookie.pulsar.svc.cluster.local
>>
>> Thanks
>>
>>
>>
>>
>> On Fri, Mar 18, 2022 at 9:15 PM PengHui Li <peng...@apache.org> wrote:
>>
>>> It means you have other reset cursor options when doing the ledger
>>> trimming
>>>
>>> On Sat, Mar 19, 2022 at 5:52 AM Tecno Brain <
>>> cerebrotecnolog...@gmail.com> wrote:
>>>
>>>> I found this in the logs:
>>>> *    Failed to mark delete while trimming data ledgers: Reset cursor in
>>>> progress - unable to mark delete position 18377:-1*
>>>> but although the messages indicate different topics, the time matches
>>>> when we started to see messages replayed.
>>>>
>>>> What causes that message? What are the consequences of it?
>>>>
>>>> On Fri, Mar 18, 2022 at 1:31 PM Tecno Brain <
>>>> cerebrotecnolog...@gmail.com> wrote:
>>>>
>>>>> I wonder what would I have seen in the logs if someone had done
>>>>> something like this:
>>>>>
>>>>> bin/pulsar-admin persistent reset-cursor --time 3h 
>>>>> persistent://tenant/namespace/topic
>>>>>
>>>>>
>>>>> On Thu, Mar 17, 2022 at 1:54 PM Tecno Brain <
>>>>> cerebrotecnolog...@gmail.com> wrote:
>>>>>
>>>>>> Hi Penghui,
>>>>>>    No, we are not seeing messages "disappear" because of TTL.
>>>>>>   What we observed is that messages from 3 out of 20  topics were
>>>>>> reprocessed.
>>>>>>   We initially thought that the messages were written again into the
>>>>>> topic by our own applications, but we did not find any evidence of that
>>>>>> happening. Our applications logs are pretty good and we would have found
>>>>>> some evidence.
>>>>>>   We couldn't find the reason.
>>>>>>   Our hypothesis was  that the cursor was lost and I was trying to
>>>>>> find a way to verify that hypothesis through the Pulsar logs...looking if
>>>>>> we had lost a broker or a bookie.
>>>>>>   Initially, I thought that perhaps those 3 topics belonged to the
>>>>>> same "bundle" and whenever the broker changed, the cursor was lost.
>>>>>>   But Pulsar stores the cursor in the bookies, not the broker....so,
>>>>>> a broker change shouldn't affect the cursor for the subscription (a 
>>>>>> shared
>>>>>> subscription)
>>>>>>   We haven't observed the same issue again.
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Sat, Mar 12, 2022 at 7:21 AM PengHui Li <peng...@apache.org>
>>>>>> wrote:
>>>>>>
>>>>>>> If you have TTL, the messages will be expired.
>>>>>>> You mean "cursor was lost", how do you verify this?
>>>>>>> to list subscriptions or not able to consume the message?
>>>>>>> If it is the latter, I think it should be related to the message TTL.
>>>>>>>
>>>>>>> And how about the "brokerDeleteInactiveTopicsMode" in your broker
>>>>>>> settings?
>>>>>>> If you are using "delete_when_subscriptions_caught_up", after all
>>>>>>> the message
>>>>>>> been expired, the topic will be deleted automatically by default.
>>>>>>>
>>>>>>> Penghui
>>>>>>>
>>>>>>> On Sat, Mar 12, 2022 at 5:28 AM Tecno Brain <
>>>>>>> cerebrotecnolog...@gmail.com> wrote:
>>>>>>>
>>>>>>>> We do have a backlog quota and messageTTL
>>>>>>>>
>>>>>>>> Our namespace is configured as follows:
>>>>>>>>
>>>>>>>> Backlog quota:
>>>>>>>>
>>>>>>>>
>>>>>>>> *"message_age    BacklogQuotaImpl(limit=-1, limitSize=-1,
>>>>>>>> limitTime=180000, policy=consumer_backlog_eviction)"*
>>>>>>>> Retention:
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> *{  "retentionTimeInMinutes" : 0,  "retentionSizeInMB" : 0}*
>>>>>>>>
>>>>>>>> Message TTL:
>>>>>>>>
>>>>>>>> *172800*
>>>>>>>>
>>>>>>>> All topics are partitioned.
>>>>>>>>
>>>>>>>> *{
>>>>>>>>   "partitions" : 3
>>>>>>>> }*
>>>>>>>>
>>>>>>>>
>>>>>>>> On Thu, Mar 10, 2022 at 11:24 PM PengHui Li <
>>>>>>>> codelipeng...@gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Have you changed the backlog quota policy or enabled the message
>>>>>>>>> TTL?
>>>>>>>>> Pulsar will not remove any cursors or skip messages by default.
>>>>>>>>>
>>>>>>>>> Penghui
>>>>>>>>> On Mar 11, 2022, 1:25 PM +0800, Tecno Brain <
>>>>>>>>> cerebrotecnolog...@gmail.com>, wrote:
>>>>>>>>>
>>>>>>>>> Hello,
>>>>>>>>>  I have an application using Pulsar just as JMS (we get single
>>>>>>>>> messages, acknowledge them when we are done processing it)
>>>>>>>>>  The entire system, composed of several types of apps, uses about
>>>>>>>>> 40 different topics.
>>>>>>>>>
>>>>>>>>>  Yesterday, an application that subscribes to about 20 queues,
>>>>>>>>> suddenly was inundated with thousands of messages from two of the 
>>>>>>>>> queues
>>>>>>>>> but I could not track those messages to an application producing 
>>>>>>>>> them. We
>>>>>>>>> found that the messages were *duplicates*.
>>>>>>>>>   So it seems that the cursor to these two topics was lost, and
>>>>>>>>> messages from 3 hours earlier were consumed again.  I found the 
>>>>>>>>> following
>>>>>>>>> paragraph :
>>>>>>>>>
>>>>>>>>>  "Each subscription stores a cursor. The cursor is the current
>>>>>>>>> offset in the log. Subscriptions store their cursor in BookKeeper in
>>>>>>>>> ledgers. This makes cursor tracking scalable just like topics."
>>>>>>>>>  (
>>>>>>>>> https://jack-vanlightly.com/blog/2018/10/2/understanding-how-apache-pulsar-works
>>>>>>>>> )
>>>>>>>>>
>>>>>>>>> My guess is that the cursor was lost.
>>>>>>>>> How could I verify that this was the case? I can't find anything
>>>>>>>>> relevant in the logs.
>>>>>>>>>
>>>>>>>>> The only message I found occurring around the same time is
>>>>>>>>>
>>>>>>>>> New ensemble:
>>>>>>>>> [pulsar-bookie-2.pulsar-bookie.pulsar.svc.cluster.local:3181,
>>>>>>>>> pulsar-bookie-0.pulsar-bookie.pulsar.svc.cluster.local:3181,
>>>>>>>>> pulsar-bookie-3.pulsar-bookie.pulsar.svc.cluster.local:3181] is not
>>>>>>>>> adhering to Placement Policy
>>>>>>>>>
>>>>>>>>> Any pointers are appreciated.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>

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