[jira] [Updated] (CASSANDRA-10585) SSTablesPerReadHistogram seems wrong when row cache hit happend
[ https://issues.apache.org/jira/browse/CASSANDRA-10585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Joshua McKenzie updated CASSANDRA-10585: Component/s: Observability > SSTablesPerReadHistogram seems wrong when row cache hit happend > --- > > Key: CASSANDRA-10585 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10585 > Project: Cassandra > Issue Type: Bug > Components: Observability >Reporter: Ivan Burmistrov >Assignee: Ivan Burmistrov >Priority: Minor > Fix For: 3.0.1, 3.1, 2.2.5, 2.1.13 > > Attachments: SSTablePerReadHistogram_RowCache-cassandra-2_1.patch, > SSTablePerReadHistogram_RowCache-cassandra-2_2.patch, > SSTablePerReadHistogram_RowCache_trunk.patch > > > SSTablePerReadHistogram metric now not considers case when row has been read > from row cache. > And so, this metric will have big values even almost all requests processed > by row cache (and without touching SSTables, of course). > So, it seems that correct behavior is to consider that if we read row from > row cache then we read zero SSTables by this request. > The patch at the attachment. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (CASSANDRA-10585) SSTablesPerReadHistogram seems wrong when row cache hit happend
[ https://issues.apache.org/jira/browse/CASSANDRA-10585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ivan Burmistrov updated CASSANDRA-10585: Attachment: SSTablePerReadHistogram_RowCache_trunk.patch > SSTablesPerReadHistogram seems wrong when row cache hit happend > --- > > Key: CASSANDRA-10585 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10585 > Project: Cassandra > Issue Type: Bug >Reporter: Ivan Burmistrov >Assignee: Ivan Burmistrov >Priority: Minor > Fix For: 2.1.x, 2.2.x, 3.0.x > > Attachments: SSTablePerReadHistogram_RowCache-cassandra-2_1.patch, > SSTablePerReadHistogram_RowCache-cassandra-2_2.patch, > SSTablePerReadHistogram_RowCache_trunk.patch > > > SSTablePerReadHistogram metric now not considers case when row has been read > from row cache. > And so, this metric will have big values even almost all requests processed > by row cache (and without touching SSTables, of course). > So, it seems that correct behavior is to consider that if we read row from > row cache then we read zero SSTables by this request. > The patch at the attachment. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (CASSANDRA-10585) SSTablesPerReadHistogram seems wrong when row cache hit happend
[ https://issues.apache.org/jira/browse/CASSANDRA-10585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ariel Weisberg updated CASSANDRA-10585: --- Assignee: Ivan Burmistrov > SSTablesPerReadHistogram seems wrong when row cache hit happend > --- > > Key: CASSANDRA-10585 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10585 > Project: Cassandra > Issue Type: Bug >Reporter: Ivan Burmistrov >Assignee: Ivan Burmistrov >Priority: Minor > Fix For: 2.1.x, 2.2.x, 3.0.x > > Attachments: SSTablePerReadHistogram_RowCache-cassandra-2_1.patch, > SSTablePerReadHistogram_RowCache-cassandra-2_2.patch > > > SSTablePerReadHistogram metric now not considers case when row has been read > from row cache. > And so, this metric will have big values even almost all requests processed > by row cache (and without touching SSTables, of course). > So, it seems that correct behavior is to consider that if we read row from > row cache then we read zero SSTables by this request. > The patch at the attachment. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (CASSANDRA-10585) SSTablesPerReadHistogram seems wrong when row cache hit happend
[ https://issues.apache.org/jira/browse/CASSANDRA-10585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ivan Burmistrov updated CASSANDRA-10585: Attachment: (was: SSTablePerReadHistogram_RowCache-cassandra-3_0.patch) > SSTablesPerReadHistogram seems wrong when row cache hit happend > --- > > Key: CASSANDRA-10585 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10585 > Project: Cassandra > Issue Type: Bug >Reporter: Ivan Burmistrov >Priority: Minor > Fix For: 2.1.x, 2.2.x, 3.0.x > > Attachments: SSTablePerReadHistogram_RowCache-cassandra-2_1.patch, > SSTablePerReadHistogram_RowCache-cassandra-2_2.patch > > > SSTablePerReadHistogram metric now not considers case when row has been read > from row cache. > And so, this metric will have big values even almost all requests processed > by row cache (and without touching SSTables, of course). > So, it seems that correct behavior is to consider that if we read row from > row cache then we read zero SSTables by this request. > The patch at the attachment. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (CASSANDRA-10585) SSTablesPerReadHistogram seems wrong when row cache hit happend
[ https://issues.apache.org/jira/browse/CASSANDRA-10585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ivan Burmistrov updated CASSANDRA-10585: Attachment: SSTablePerReadHistogram_RowCache-cassandra-2_2.patch > SSTablesPerReadHistogram seems wrong when row cache hit happend > --- > > Key: CASSANDRA-10585 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10585 > Project: Cassandra > Issue Type: Bug >Reporter: Ivan Burmistrov >Priority: Minor > Fix For: 2.1.x, 2.2.x, 3.0.x > > Attachments: SSTablePerReadHistogram_RowCache-cassandra-2_1.patch, > SSTablePerReadHistogram_RowCache-cassandra-2_2.patch > > > SSTablePerReadHistogram metric now not considers case when row has been read > from row cache. > And so, this metric will have big values even almost all requests processed > by row cache (and without touching SSTables, of course). > So, it seems that correct behavior is to consider that if we read row from > row cache then we read zero SSTables by this request. > The patch at the attachment. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (CASSANDRA-10585) SSTablesPerReadHistogram seems wrong when row cache hit happend
[ https://issues.apache.org/jira/browse/CASSANDRA-10585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ivan Burmistrov updated CASSANDRA-10585: Attachment: (was: SSTablePerReadHistogram_RowCache-cassandra-2_2.patch) > SSTablesPerReadHistogram seems wrong when row cache hit happend > --- > > Key: CASSANDRA-10585 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10585 > Project: Cassandra > Issue Type: Bug >Reporter: Ivan Burmistrov >Priority: Minor > Fix For: 2.1.x, 2.2.x, 3.0.x > > Attachments: SSTablePerReadHistogram_RowCache-cassandra-2_1.patch, > SSTablePerReadHistogram_RowCache-cassandra-3_0.patch > > > SSTablePerReadHistogram metric now not considers case when row has been read > from row cache. > And so, this metric will have big values even almost all requests processed > by row cache (and without touching SSTables, of course). > So, it seems that correct behavior is to consider that if we read row from > row cache then we read zero SSTables by this request. > The patch at the attachment. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (CASSANDRA-10585) SSTablesPerReadHistogram seems wrong when row cache hit happend
[ https://issues.apache.org/jira/browse/CASSANDRA-10585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Joshua McKenzie updated CASSANDRA-10585: Reviewer: Carl Yeksigian > SSTablesPerReadHistogram seems wrong when row cache hit happend > --- > > Key: CASSANDRA-10585 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10585 > Project: Cassandra > Issue Type: Bug >Reporter: Ivan Burmistrov >Priority: Minor > Fix For: 2.1.x, 2.2.x, 3.0.x > > Attachments: SSTablePerReadHistogram_RowCache-cassandra-2_1.patch, > SSTablePerReadHistogram_RowCache-cassandra-2_2.patch, > SSTablePerReadHistogram_RowCache-cassandra-3_0.patch > > > SSTablePerReadHistogram metric now not considers case when row has been read > from row cache. > And so, this metric will have big values even almost all requests processed > by row cache (and without touching SSTables, of course). > So, it seems that correct behavior is to consider that if we read row from > row cache then we read zero SSTables by this request. > The patch at the attachment. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (CASSANDRA-10585) SSTablesPerReadHistogram seems wrong when row cache hit happend
[ https://issues.apache.org/jira/browse/CASSANDRA-10585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ivan Burmistrov updated CASSANDRA-10585: Flags: Patch Attachment: SSTablePerReadHistogram_RowCache-cassandra-3_0.patch SSTablePerReadHistogram_RowCache-cassandra-2_2.patch SSTablePerReadHistogram_RowCache-cassandra-2_1.patch Fix Version/s: 3.0.x 2.2.x > SSTablesPerReadHistogram seems wrong when row cache hit happend > --- > > Key: CASSANDRA-10585 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10585 > Project: Cassandra > Issue Type: Bug >Reporter: Ivan Burmistrov >Priority: Minor > Fix For: 2.1.x, 2.2.x, 3.0.x > > Attachments: SSTablePerReadHistogram_RowCache-cassandra-2_1.patch, > SSTablePerReadHistogram_RowCache-cassandra-2_2.patch, > SSTablePerReadHistogram_RowCache-cassandra-3_0.patch > > > SSTablePerReadHistogram metric now not considers case when row has been read > from row cache. > And so, this metric will have big values even almost all requests processed > by row cache (and without touching SSTables, of course). > So, it seems that correct behavior is to consider that if we read row from > row cache then we read zero SSTables by this request. > The patch at the attachment. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (CASSANDRA-10585) SSTablesPerReadHistogram seems wrong when row cache hit happend
[ https://issues.apache.org/jira/browse/CASSANDRA-10585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ivan Burmistrov updated CASSANDRA-10585: Attachment: (was: cassandra-10585.patch) > SSTablesPerReadHistogram seems wrong when row cache hit happend > --- > > Key: CASSANDRA-10585 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10585 > Project: Cassandra > Issue Type: Bug >Reporter: Ivan Burmistrov >Priority: Minor > Fix For: 2.1.x, 2.2.x, 3.0.x > > Attachments: SSTablePerReadHistogram_RowCache-cassandra-2_1.patch, > SSTablePerReadHistogram_RowCache-cassandra-2_2.patch, > SSTablePerReadHistogram_RowCache-cassandra-3_0.patch > > > SSTablePerReadHistogram metric now not considers case when row has been read > from row cache. > And so, this metric will have big values even almost all requests processed > by row cache (and without touching SSTables, of course). > So, it seems that correct behavior is to consider that if we read row from > row cache then we read zero SSTables by this request. > The patch at the attachment. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (CASSANDRA-10585) SSTablesPerReadHistogram seems wrong when row cache hit happend
[ https://issues.apache.org/jira/browse/CASSANDRA-10585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ivan Burmistrov updated CASSANDRA-10585: Attachment: cassandra-10585.patch Description: SSTablePerReadHistogram metric now not considers case when row has been read from row cache. And so, this metric will have big values even almost all requests processed by row cache (and without touching SSTables, of course). So, it seems that correct behavior is to consider that if we read row from row cache then we read zero SSTables by this request. The patch at the attachment. was: SSTablePerReadHistogram metric now not considers case when row has been read from row cache. And so, this metric will have big values even almost all requests processed by row cache (and without touching SSTables, of course). So, it seems that correct behavior is to consider that if we read row from row cache then we read zero SSTables by this request. > SSTablesPerReadHistogram seems wrong when row cache hit happend > --- > > Key: CASSANDRA-10585 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10585 > Project: Cassandra > Issue Type: Bug > Components: Core >Reporter: Ivan Burmistrov >Priority: Minor > Fix For: 2.1.x > > Attachments: cassandra-10585.patch > > > SSTablePerReadHistogram metric now not considers case when row has been read > from row cache. > And so, this metric will have big values even almost all requests processed > by row cache (and without touching SSTables, of course). > So, it seems that correct behavior is to consider that if we read row from > row cache then we read zero SSTables by this request. > The patch at the attachment. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
