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Could an update on all statistics separately cause bad performance?

We’ve been utilizing Ola Hallengren's maintenance scripts for our index optimization for years on our OLTP databases. (we are on sql server 2008 R2) 2 weeks ago though one of the DBA’s here has ...
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Reorganize Index Task [closed]

Can the Reorganize Index task (maintenance plan or SSIS package) be used to tune performance? Is this an adequate step of triage for degraded application/query performance?