[jira] [Commented] (KAFKA-3170) Default value of fetch_min_bytes in new consumer is 1024 while doc says it is 1
[ https://issues.apache.org/jira/browse/KAFKA-3170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15129795#comment-15129795 ] Guozhang Wang commented on KAFKA-3170: -- Yes, thanks for reminding :) > Default value of fetch_min_bytes in new consumer is 1024 while doc says it is > 1 > --- > > Key: KAFKA-3170 > URL: https://issues.apache.org/jira/browse/KAFKA-3170 > Project: Kafka > Issue Type: Bug > Components: consumer >Affects Versions: 0.9.0.0 >Reporter: Rajini Sivaram >Assignee: Rajini Sivaram > Fix For: 0.9.0.1 > > > FETCH_MIN_BYTES_DOC says: > {quote} > The minimum amount of data the server should return for a fetch request. If > insufficient data is available the request will wait for that much data to > accumulate before answering the request. The default setting of 1 byte means > that fetch requests are answered as soon as a single byte of data is > available or the fetch request times out waiting for data to arrive. Setting > this to something greater than 1 will cause the server to wait for larger > amounts of data to accumulate which can improve server throughput a bit at > the cost of some additional latency. > {quote} > But the default value is actually set to 1024. Either the doc or the value > needs to be changed. Perhaps 1 is a better default? -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Commented] (KAFKA-3170) Default value of fetch_min_bytes in new consumer is 1024 while doc says it is 1
[ https://issues.apache.org/jira/browse/KAFKA-3170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15129719#comment-15129719 ] Grant Henke commented on KAFKA-3170: [~guozhang] Should this be marked resolved for 0.9.0.1? > Default value of fetch_min_bytes in new consumer is 1024 while doc says it is > 1 > --- > > Key: KAFKA-3170 > URL: https://issues.apache.org/jira/browse/KAFKA-3170 > Project: Kafka > Issue Type: Bug > Components: consumer >Affects Versions: 0.9.0.0 >Reporter: Rajini Sivaram >Assignee: Rajini Sivaram > > FETCH_MIN_BYTES_DOC says: > {quote} > The minimum amount of data the server should return for a fetch request. If > insufficient data is available the request will wait for that much data to > accumulate before answering the request. The default setting of 1 byte means > that fetch requests are answered as soon as a single byte of data is > available or the fetch request times out waiting for data to arrive. Setting > this to something greater than 1 will cause the server to wait for larger > amounts of data to accumulate which can improve server throughput a bit at > the cost of some additional latency. > {quote} > But the default value is actually set to 1024. Either the doc or the value > needs to be changed. Perhaps 1 is a better default? -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Commented] (KAFKA-3170) Default value of fetch_min_bytes in new consumer is 1024 while doc says it is 1
[ https://issues.apache.org/jira/browse/KAFKA-3170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15128641#comment-15128641 ] ASF GitHub Bot commented on KAFKA-3170: --- Github user asfgit closed the pull request at: https://github.com/apache/kafka/pull/832 > Default value of fetch_min_bytes in new consumer is 1024 while doc says it is > 1 > --- > > Key: KAFKA-3170 > URL: https://issues.apache.org/jira/browse/KAFKA-3170 > Project: Kafka > Issue Type: Bug > Components: consumer >Affects Versions: 0.9.0.0 >Reporter: Rajini Sivaram >Assignee: Rajini Sivaram > > FETCH_MIN_BYTES_DOC says: > {quote} > The minimum amount of data the server should return for a fetch request. If > insufficient data is available the request will wait for that much data to > accumulate before answering the request. The default setting of 1 byte means > that fetch requests are answered as soon as a single byte of data is > available or the fetch request times out waiting for data to arrive. Setting > this to something greater than 1 will cause the server to wait for larger > amounts of data to accumulate which can improve server throughput a bit at > the cost of some additional latency. > {quote} > But the default value is actually set to 1024. Either the doc or the value > needs to be changed. Perhaps 1 is a better default? -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Commented] (KAFKA-3170) Default value of fetch_min_bytes in new consumer is 1024 while doc says it is 1
[ https://issues.apache.org/jira/browse/KAFKA-3170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15123499#comment-15123499 ] ASF GitHub Bot commented on KAFKA-3170: --- GitHub user rajinisivaram opened a pull request: https://github.com/apache/kafka/pull/832 KAFKA-3170: Set default fetch_min_bytes in new consumer to 1 Set default to 1 instead of 1024, this matches the existing doc and feels like a better default value. Have run the unit tests with the change. You can merge this pull request into a Git repository by running: $ git pull https://github.com/rajinisivaram/kafka KAFKA-3170 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/kafka/pull/832.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #832 commit 7e9f944a61e331738ff7c9ed7ee93495039d697f Author: Rajini Sivaram Date: 2016-01-29T13:47:08Z KAFKA-3170: Set default fetch_min_bytes in new consumer to 1 > Default value of fetch_min_bytes in new consumer is 1024 while doc says it is > 1 > --- > > Key: KAFKA-3170 > URL: https://issues.apache.org/jira/browse/KAFKA-3170 > Project: Kafka > Issue Type: Bug > Components: consumer >Affects Versions: 0.9.0.0 >Reporter: Rajini Sivaram >Assignee: Rajini Sivaram > > FETCH_MIN_BYTES_DOC says: > {quote} > The minimum amount of data the server should return for a fetch request. If > insufficient data is available the request will wait for that much data to > accumulate before answering the request. The default setting of 1 byte means > that fetch requests are answered as soon as a single byte of data is > available or the fetch request times out waiting for data to arrive. Setting > this to something greater than 1 will cause the server to wait for larger > amounts of data to accumulate which can improve server throughput a bit at > the cost of some additional latency. > {quote} > But the default value is actually set to 1024. Either the doc or the value > needs to be changed. Perhaps 1 is a better default? -- This message was sent by Atlassian JIRA (v6.3.4#6332)