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An accumulation of the YTIB OTMA resource can cause an IMS storage
exhaustion situation and possible abend 40D in the IMS control region. This
video describes how you can configure flood protection…
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In IMS V15, the OTMA lightweight transaction pipe (tpipe) enhancement improves the flood control of OTMA transaction pipes by allocating tpipe-related storage on demand and enabling the lightweight…
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This video describes how OTMA handles transactions between clients and IMS, and then discusses how OTMA protects IMS from runaway resources by using several forms of transaction flood controls.
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With a large number of OTMA cached accessor environment elements (ACEEs), the default number of hash table entries is inefficient, causing long searches which increases CPU usage. The potentially…
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This video describes OTMA z/OS Connect and distributed network security credentials. When the z/OS Connect server detects that it’s connecting to IMS Connect V15, by default, it passes the…
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This video describes the mainline processing around the use of APPC and OTMA in a shared queues environment.
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