Re: Maximum SSTable size
That’s a target and not a maximum, and it can go over that even on LCS with wide partitions In general, the practical limit is hundreds of gigabytes (I’ve seen 500-600 a lot, but not more than a terabyte very often). You’ll typically hit other issues and need to tune some params before you hit hard caps (unless you know what you’re doing). -- Jeff Jirsa > On Jun 27, 2018, at 3:11 PM, ZAIDI, ASAD A wrote: > > With Leveled compaction strategy , you can set target size with > sstable_size_in_mb attribute however actual size can still be larger than > target given large partition size. > > Thanks/Asad > > From: Lucas Benevides [mailto:lu...@maurobenevides.com.br] > Sent: Wednesday, June 27, 2018 7:02 AM > To: user@cassandra.apache.org > Subject: Maximum SSTable size > > Hello Community, > > Is there a maximum SSTable Size? > If there is not, does it go up to the maximum Operational System values? > > Thanks in advance, > Lucas Benevides
Re: [External] Maximum SSTable size
I’ve had SSTables as big as 11TB. It works, read performance is fine. But, compaction is hell, because you’ll need twice that in disk space and it will take many hours 🙂 Avoid large SSTables unless you really know what you’re doing. LCS is a great default for almost every workload, especially if your cluster has a single large table. STCS is the actual Cassandra default but it often causes more trouble than it solves, because of large SSTables 🙂 Hope that helps! Tom On Wed, 27 Jun 2018 at 08:02, Lucas Benevides wrote: > Hello Community, > > Is there a maximum SSTable Size? > If there is not, does it go up to the maximum Operational System values? > > Thanks in advance, > Lucas Benevides > -- Tom van der Woerdt Site Reliability Engineer Booking.com B.V. Vijzelstraat 66-80 Amsterdam 1017HL Netherlands Direct +31207153426 [image: Booking.com] <https://www.booking.com/> The world's #1 accommodation site 43 languages, 198+ offices worldwide, 120,000+ global destinations, 1,550,000+ room nights booked every day No booking fees, best price always guaranteed Subsidiary of Booking Holdings Inc. (NASDAQ: BKNG)
RE: Maximum SSTable size
With Leveled compaction strategy<http://cassandra.apache.org/doc/latest/operating/compaction.html#lcs> , you can set target size with sstable_size_in_mb attribute however actual size can still be larger than target given large partition size. Thanks/Asad From: Lucas Benevides [mailto:lu...@maurobenevides.com.br] Sent: Wednesday, June 27, 2018 7:02 AM To: user@cassandra.apache.org Subject: Maximum SSTable size Hello Community, Is there a maximum SSTable Size? If there is not, does it go up to the maximum Operational System values? Thanks in advance, Lucas Benevides
Maximum SSTable size
Hello Community, Is there a maximum SSTable Size? If there is not, does it go up to the maximum Operational System values? Thanks in advance, Lucas Benevides
