[jira] [Created] (KAFKA-12174) A program for dynamically alter log4j levels at runtime.

ChenLin created KAFKA-12174: --- Summary: A program for dynamically alter log4j levels at runtime. Key: KAFKA-12174 URL: https://issues.apache.org/jira/browse/KAFKA-12174 Project: Kafka Issue Type:

[jira] [Commented] (KAFKA-8328) Kafka smooth expansion

[ https://issues.apache.org/jira/browse/KAFKA-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17168515#comment-17168515 ] ChenLin commented on KAFKA-8328: Thanks for your attention, I will re submit the batch to the trunk

[jira] [Commented] (KAFKA-8328) Kafka smooth expansion

[ https://issues.apache.org/jira/browse/KAFKA-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17168514#comment-17168514 ] ChenLin commented on KAFKA-8328: Thanks for your attention, I will re submit the batch to the trunk

[jira] [Updated] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8832: --- Description: I found that kafka is not on the server side, limiting the amount of data read per fetch

[jira] [Updated] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8832: --- Attachment: image-2019-08-29-11-25-52-242.png > We should limit the maximum size read by a fetch request on

[jira] [Comment Edited] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16918238#comment-16918238 ] ChenLin edited comment on KAFKA-8832 at 8/29/19 3:24 AM: - [~guozhang]  I did a

[jira] [Updated] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8832: --- Attachment: image-2019-08-29-11-03-37-693.png > We should limit the maximum size read by a fetch request on

[jira] [Commented] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16918238#comment-16918238 ] ChenLin commented on KAFKA-8832: [~guozhang]  I did a test and then dumped the jvm memory at the time.

[jira] [Updated] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8832: --- Attachment: image-2019-08-29-11-02-01-477.png > We should limit the maximum size read by a fetch request on

[jira] [Updated] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8832: --- Description: I found that kafka is not on the server side, limiting the amount of data read per fetch

[jira] [Updated] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8832: --- Attachment: image-2019-08-29-11-01-17-347.png > We should limit the maximum size read by a fetch request on

[jira] [Updated] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8832: --- Attachment: image-2019-08-29-11-01-04-147.png > We should limit the maximum size read by a fetch request on

[jira] [Updated] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8832: --- Description: I found that kafka is not on the server side, limiting the amount of data read per fetch

[jira] [Updated] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8832: --- Description: I found that kafka is not on the server side, limiting the amount of data read per fetch

[jira] [Updated] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8832: --- Description: I found that kafka is not on the server side, limiting the amount of data read per fetch

[jira] [Updated] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8832: --- Attachment: image-2019-08-25-15-42-24-379.png > We should limit the maximum size read by a fetch request on

[jira] [Updated] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8832: --- Description: I found that kafka is not on the server side, limiting the amount of data read per fetch

[jira] [Updated] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

[ https://issues.apache.org/jira/browse/KAFKA-8832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8832: --- Description: I found that kafka is not on the server side, limiting the amount of data read per fetch

[jira] [Created] (KAFKA-8832) We should limit the maximum size read by a fetch request on the kafka server.

ChenLin created KAFKA-8832: -- Summary: We should limit the maximum size read by a fetch request on the kafka server. Key: KAFKA-8832 URL: https://issues.apache.org/jira/browse/KAFKA-8832 Project: Kafka

[jira] [Updated] (KAFKA-8465) Make sure that the copy of the same topic is evenly distributed across a broker's disk.

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Summary: Make sure that the copy of the same topic is evenly distributed across a broker's disk. (was:

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Description: When some partiton's replication is assigned to a broker, which disks should these copies be

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Attachment: image-2019-07-30-13-40-12-711.png > Copying strategy for the topic dimension >

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Attachment: image-2019-07-30-13-40-49-878.png > Copying strategy for the topic dimension >

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Attachment: (was: image-2019-07-30-13-38-21-015.png) > Copying strategy for the topic dimension >

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Attachment: (was: image-2019-07-30-13-35-58-872.png) > Copying strategy for the topic dimension >

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Attachment: (was: image-2019-07-30-13-35-30-126.png) > Copying strategy for the topic dimension >

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Attachment: image-2019-07-30-13-38-21-015.png > Copying strategy for the topic dimension >

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Attachment: image-2019-07-30-13-35-58-872.png > Copying strategy for the topic dimension >

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Attachment: image-2019-07-30-13-35-30-126.png > Copying strategy for the topic dimension >

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Description: When some partiton's replication is assigned to a broker, which disks should these copies be

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Attachment: replication_strategy_for_the_topic_dimension.patch > Copying strategy for the topic dimension >

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Attachment: (was: replication__strategy_for_the_topic_dimension.patch) > Copying strategy for the topic

[jira] [Updated] (KAFKA-8722) Data crc check repair

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Summary: Data crc check repair (was: In some cases, the crc check does not cause dirty data to be written.)

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Description: In our production environment, when we consume kafka's topic data in an operating program, we

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Attachment: image-2019-07-30-11-39-01-605.png > In some cases, the crc check does not cause dirty data to be

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Attachment: (was: image-2019-07-27-15-00-14-673.png) > In some cases, the crc check does not cause dirty

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Attachment: (was: Crc_data_verification_repair.patch) > In some cases, the crc check does not cause

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Description: In our production environment, when we consume kafka's topic data in an operating program, we

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Attachment: Crc_data_verification_repair.patch > In some cases, the crc check does not cause dirty data to

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Description: In our production environment, when we consume kafka's topic data in an operating program, we

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Description: In our production environment, when we consume kafka's topic data in an operating program, we

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Attachment: image-2019-07-27-15-18-22-716.png > In some cases, the crc check does not cause dirty data to be

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Attachment: image-2019-07-27-15-10-21-709.png > In some cases, the crc check does not cause dirty data to be

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Attachment: image-2019-07-27-15-06-07-123.png > In some cases, the crc check does not cause dirty data to be

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Attachment: image-2019-07-27-15-05-12-565.png > In some cases, the crc check does not cause dirty data to be

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Attachment: image-2019-07-27-15-00-14-673.png > In some cases, the crc check does not cause dirty data to be

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Attachment: image-2019-07-27-14-57-06-687.png > In some cases, the crc check does not cause dirty data to be

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Attachment: image-2019-07-27-14-56-25-610.png > In some cases, the crc check does not cause dirty data to be

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Description: In our production environment, when we consume kafka's topic data in an operating program, we

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Attachment: image-2019-07-27-14-50-58-300.png > In some cases, the crc check does not cause dirty data to be

[jira] [Updated] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

[ https://issues.apache.org/jira/browse/KAFKA-8722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8722: --- Attachment: image-2019-07-27-14-50-08-128.png > In some cases, the crc check does not cause dirty data to be

[jira] [Created] (KAFKA-8722) In some cases, the crc check does not cause dirty data to be written.

ChenLin created KAFKA-8722: -- Summary: In some cases, the crc check does not cause dirty data to be written. Key: KAFKA-8722 URL: https://issues.apache.org/jira/browse/KAFKA-8722 Project: Kafka

[jira] [Commented] (KAFKA-8328) Kafka smooth expansion

[ https://issues.apache.org/jira/browse/KAFKA-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16865488#comment-16865488 ] ChenLin commented on KAFKA-8328: [~Yohan123] look forward to your reply，KIP

[jira] [Commented] (KAFKA-8328) Kafka smooth expansion

[ https://issues.apache.org/jira/browse/KAFKA-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16854411#comment-16854411 ] ChenLin commented on KAFKA-8328: Thank you for your attention, I will submit KIP as soon as possible. >

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Attachment: replication__strategy_for_the_topic_dimension.patch > Copying strategy for the topic dimension >

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Attachment: (was: Copying_strategy_for_the_topic_dimension.patch) > Copying strategy for the topic

[jira] [Updated] (KAFKA-8465) Copying strategy for the topic dimension

[ https://issues.apache.org/jira/browse/KAFKA-8465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8465: --- Attachment: Copying_strategy_for_the_topic_dimension.patch > Copying strategy for the topic dimension >

[jira] [Created] (KAFKA-8465) Copying strategy for the topic dimension

ChenLin created KAFKA-8465: -- Summary: Copying strategy for the topic dimension Key: KAFKA-8465 URL: https://issues.apache.org/jira/browse/KAFKA-8465 Project: Kafka Issue Type: Improvement

[jira] [Updated] (KAFKA-8328) Kafka smooth expansion

[ https://issues.apache.org/jira/browse/KAFKA-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8328: --- Attachment: image-2019-05-07-15-05-46-641.png > Kafka smooth expansion > -- > >

[jira] [Updated] (KAFKA-8328) Kafka smooth expansion

[ https://issues.apache.org/jira/browse/KAFKA-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8328: --- Description: When expanding the kafka cluster, the new follower will read the data from the earliest

[jira] [Updated] (KAFKA-8328) Kafka smooth expansion

[ https://issues.apache.org/jira/browse/KAFKA-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8328: --- Flags: Patch (was: Patch,Important) > Kafka smooth expansion > -- > >

[jira] [Updated] (KAFKA-8328) Kafka smooth expansion

[ https://issues.apache.org/jira/browse/KAFKA-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8328: --- Description: When expanding the kafka cluster, the new follower will read the data from the earliest

[jira] [Updated] (KAFKA-8328) Kafka smooth expansion

[ https://issues.apache.org/jira/browse/KAFKA-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8328: --- Description: When expanding the kafka cluster, the new follower will read the data from the earliest

[jira] [Updated] (KAFKA-8328) Kafka smooth expansion

[ https://issues.apache.org/jira/browse/KAFKA-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8328: --- Attachment: (was: image-2019-05-07-15-05-46-641.png) > Kafka smooth expansion > -- >

[jira] [Updated] (KAFKA-8328) Kafka smooth expansion

[ https://issues.apache.org/jira/browse/KAFKA-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8328: --- Description: When expanding the kafka cluster, the new follower will read the data from the earliest

[jira] [Updated] (KAFKA-8328) Kafka smooth expansion

[ https://issues.apache.org/jira/browse/KAFKA-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8328: --- Attachment: Kafka_smooth_expansion.patch > Kafka smooth expansion > -- > >

[jira] [Updated] (KAFKA-8328) Kafka smooth expansion

[ https://issues.apache.org/jira/browse/KAFKA-8328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ChenLin updated KAFKA-8328: --- Description: When expanding the kafka cluster, the new follower will read the data from the earliest

[jira] [Created] (KAFKA-8328) Kafka smooth expansion

ChenLin created KAFKA-8328: -- Summary: Kafka smooth expansion Key: KAFKA-8328 URL: https://issues.apache.org/jira/browse/KAFKA-8328 Project: Kafka Issue Type: Improvement Components: