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HADOOP-18395. Performance improvement in hadoop-common Text#find

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### Description of PR The current implementation reset src and tgt to the mark and continues searching when tgt has remaining and src expired first. which is probably not necessary....

JIRA: [HADOOP-18494](https://issues.apache.org/jira/browse/HADOOP-18494) The variable bindAddr is always null in org.apache.hadoop.ipc.Client#setupConnection

HADOOP-18429. fix infinite loop in MutableGaugeFloat#incr(float)

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### Description of PR JIRA - [HADOOP-18429](https://issues.apache.org/jira/browse/HADOOP-18429) The Unit Test get stuck in an infinite loop ```java public void testMutableGaugeFloat() { MutableGaugeFloat mgf = new MutableGaugeFloat(Context,3.2f); assertEquals(3.2f, mgf.value(), 0.0); mgf.incr();...

How to clean up invalid BinarySchema

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 I created a cache like this IgniteCache. In order to do upsert, I used EntryProcessor as follows. EntryProcessor ```java public class UpsertEntryProcessorV1 implements EntryProcessor { @IgniteInstanceResource private Ignite ignite; @SuppressWarnings("unchecked")...

``` select "deptno", rank() over (order by "deptno") as r from "hr"."emps" ``` Calcite supports the above Sql, but Ignite's Calcite Query Engine does not support window aggregation syntax. Is...

[CALCITE-5665] Reducing ineffective matches for MaterializedViewRules

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jira: [CALCITE-5665](https://issues.apache.org/jira/browse/CALCITE-5665) 1. Reduce the number of MaterializedViewRule matches 2. Reduce RelOptMaterialization metadata recalculation For example, in the test MaterializedViewRelOptRulesTest#testJoinAggregateMaterializationNoAggregateFuncs9, MaterializedViewRule#perform was triggered 489 times in the original implementation, but...

[CALCITE-6432] Infinite loop for JoinPushTransitivePredicatesRule

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jira: [CALCITE-6432](https://issues.apache.org/jira/projects/CALCITE/issues/CALCITE-6432) Infinite loop for JoinPushTransitivePredicatesRule when there are multiple project expressions reference the same input field.