The ignite-page-analyzer from nizhikov

ignite-page-analyzer's Introduction

BUILD

$ mvn clean install -Prelease

Will create zip archive with binary files required to run application.

$ java -jar ignite-page-analyzer-0.0.1-SNAPSHOT.jar page-statistics -d /path/to/pds/node00-81ed9fdb-b5d7-4c7a-98fa-1987712f1366

Expected /path/top/pds content

~/tmp/pds$ tree -d
.
├── node00-1111
│   └── cacheGroup-CACHEGROUP_INDEX_union-module
└── node00-81ed9fdb-b5d7-4c7a-98fa-1987712f1366
    ├── cache-CacheQueryExampleOrganizations
    ├── cache-ignite-sys-cache
    ├── cp
    ├── metastorage
    └── TxLog

Example output

*** FULLL STATISTICS FOR CacheQueryExampleOrganizations ***
 1 -> [  3107 pages, 1337,50K free, 10,76% unused]
 2 -> [  2048 pages,   0,00K free,  0,00% unused]
 6 -> [  1024 pages,   0,00K free,  0,00% unused]
10 -> [  1024 pages,   0,00K free,  0,00% unused]
12 -> [  2048 pages,   0,00K free,  0,00% unused]
13 -> [ 71373 pages, 274,42M free, 98,43% unused]
14 -> [  1024 pages,   0,00K free,  0,00% unused]
15 -> [  1024 pages,   0,00K free,  0,00% unused]
------------------
Full size  322,94M
Free size  275,73M
Free perent 85,38%

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ignite-page-analyzer's Issues

Add support for free space analysis in some extra page types stored in index.bin files

In summary of page-analyzer work results under index.bin files we can see non-processed page types listed below:

10009 -> [10855440 pages, 0.00K free, 0.00% unused]
10019 -> [588943 pages, 0.00K free, 0.00% unused]
10029 -> [2650049 pages, 0.00K free, 0.00% unused]
10034 -> [654850 pages, 0.00K free, 0.00% unused]
10039 -> [1432888 pages, 0.00K free, 0.00% unused]
20009 -> [104269 pages, 0.00K free, 0.00% unused]
20019 -> [ 7899 pages, 0.00K free, 0.00% unused]
20029 -> [ 44295 pages, 0.00K free, 0.00% unused]
20034 -> [ 12379 pages, 0.00K free, 0.00% unused]
20039 -> [ 29681 pages, 0.00K free, 0.00% unused]

As I understand, this page types are:

BPlusLeafIO for range from 10000 (T_H2_EX_REF_LEAF_START) to 12047 (T_H2_EX_REF_LEAF_END) and stored in list PageIO#h2ExtraLeafIOs;
BPlusInnerIO for range from 20000 (T_H2_EX_REF_INNER_START) to 22047 (T_H2_EX_REF_INNER_END) and stored in list PageIO#h2ExtraInnerIOs.

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