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Showing posts with the label performance

Myth & Fact all about Mutual Fund

Myth & Fact all about Mutual Fund Myth : Mutual funds are stock market investments  Fact : Mutual funds are diversified investments that invest across stocks, bonds, money market instruments and combination of these. Mutual  Myth: One can only invest large sum in mutual funds  Fact : An investor can start mutual fund investment via Systematic Investment Plan (SIP) mode and invest regularly with amount as small as ` 1000. Myth: SIP gives positive returns  Fact: Mutual fund SIPs are subject to market risks and there are no guaranteed returns in these tools Myth: SIPs are beneficial for short-term  Fact: There are different mutual fund options for short-term and long-term goals. SIPs have historically given better returns when invested for long-term. Myth : Net Asset Value (NAV) is the performance indicator of a mutual fund.  Fact : NAV is only the price per unit of your invested fund. The decision to select a mutual fund sho...

How does it work ? SASI (SSTable attached secondary indexes)

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Hello Cassandra Developer,           Today, we will talk about how does indexes work into Cassandra, mainly about SASI. Motivation factor : It's help you to fulltext search  It's can be get by secondary index on cassandra columns it's help you to get unpredicate search query on cassandra data model  How does it work (SSTable - secondary indexes):   Maintain complete indexes data into single SSTable( kind of concurrent thread safe map collection in java) Since it's single SSTable, it has memory issue and need good RAM when huge data. it's called as "Classic C* Indexes" Support few basic comparison operation ("="). It's based on SSTable format. Support into Cassandra older version (less than 3.3) SSTable need to play with memory & disk operation for indexes data. How does it work (SASI): Maintain the Token tree base format - (B tree collection concept in java) It's create the different separate SASI fo...