[jira] [Created] (PHOENIX-3853) Local Index - Writes to local index are twice as slow as global and get exponentially slower with PHOENIX-3827_v2 patch

["Mujtaba Chohan (JIRA)" <ji...@apache.org>]

Mujtaba Chohan created PHOENIX-3853:
---------------------------------------

             Summary: Local Index - Writes to local index are twice as slow as global and get exponentially slower with PHOENIX-3827_v2 patch
                 Key: PHOENIX-3853
                 URL: https://issues.apache.org/jira/browse/PHOENIX-3853
             Project: Phoenix
          Issue Type: Bug
    Affects Versions: 4.10.0
         Environment: HBase 1.3.1 4GB heap in local mode
            Reporter: Mujtaba Chohan
             Fix For: 4.11.0


HBase 1.3.1 with head of Phoenix 4.x with/without PHOENIX-3827 v2 patch applied. This is with immutable non-covered local/global index on a single column.

!batch_time.png!

| Batch Size | Local Index with PHOENIX-3827_v2 patch (sec)| Local Index without PHOENIX-3827_v2.patch (sec)| Global (sec)| 
| 100 | 0.02 | 0.03 | 0.013 | 
| 1000 | 0.3 | 0.3 | 0.13 | 
| 10000 | 4.3 | 2.6 | 1.3 | 
| 12500 | 8.1 | 3 | 1.6 | 
| 15000 | 13.3 | 3.1 | 1.9 | 

Schema and index
{noformat}
CREATE TABLE IF NOT EXISTS T (OID CHAR(15) NOT NULL, PKP CHAR(3) NOT NULL, PIH CHAR(15) NOT NULL, FD DATE NOT NULL, SB CHAR(15) NOT NULL, BJ CHAR(15), JR VARCHAR, FIELD VARCHAR, YM VARCHAR, WN VARCHAR, LG VARCHAR, XHJ VARCHAR, HF VARCHAR, GA VARCHAR, MX VARCHAR, NZ DECIMAL, JV DECIMAL, AG DATE, KV DATE, JK VARCHAR, DK VARCHAR, EU DATE, OE VARCHAR, DV INTEGER, IK VARCHAR CONSTRAINT PK PRIMARY KEY ( OID, PKP, PIH, FD DESC, SB )) VERSIONS=1,IMMUTABLE_ROWS=true

CREATE INDEX IF NOT EXISTS IDXT ON T (JV)
{noformat}

Data CSV
https://expirebox.com/download/1cea73af1831b5193f0539d6e3442292.html

[~rajeshbabu], [~lhofhansl], [~jamestaylor]



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