Re: Two questions about the maximum number of versions of a column family

2016-02-22 Thread Anil Gupta
re there advantages of > using "reversed timestamps" in row keys over the built-in "versions" with > regard to scanning performance? > > ---------- Original ---------- > From: "Ted Yu" > Date: Mon, Feb 22, 2016 01:02 AM > To: "user@hbase.apache.

Re: Two questions about the maximum number of versions of a column family

2016-02-21 Thread Stephen Durfey
Original -- From: "Ted Yu" Date: Mon, Feb 22, 2016 01:02 AM To: "user@hbase.apache.org"; Subject: Re: Two questions about the maximum number of versions of a column family Thanks for sharing, Stephen. bq. scan performance on the region servers needing to sc

Re: Two questions about the maximum number of versions of a column family

2016-02-21 Thread Daniel
erformance? -- Original -- From: "Ted Yu" Date: Mon, Feb 22, 2016 01:02 AM To: "user@hbase.apache.org"; Subject: Re: Two questions about the maximum number of versions of a column family Thanks for sharing, Stephen. bq. scan performance on the region

Re: Two questions about the maximum number of versions of a column family

2016-02-21 Thread Ted Yu
uld break if they try to read from it while > the table is disabled. The only performance impact I can think of around > this change would be major compaction of the table, but even that shouldn't > be an issue. > > > _________________ > From: Daniel > S

Re: Two questions about the maximum number of versions of a column family

2016-02-21 Thread Stephen Durfey
performance impact I can think of around this change would be major compaction of the table, but even that shouldn't be an issue.  _ From: Daniel Sent: Sunday, February 21, 2016 9:22 AM Subject: Two questions about the maximum number of versions of a colum

Two questions about the maximum number of versions of a column family

2016-02-21 Thread Daniel
Hi, I have two questions about the maximum number of versions of a column family: (1) Is it OK to set a very large (>100,000) maximum number of versions for a column family? The reference guide says "It is not recommended setting the number of max versions to an exceedingly high le