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komamitsu/RocksDBTest.java

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rocksdb_b_000007.sst.dump
0000000 00 0b 03 6b 62 30 01 01 00 00 00 00 00 00 76 62
\0 \v 003 k b 0 001 001 \0 \0 \0 \0 \0 \0 v b
0000020 30 00 00 00 00 01 00 00 00 00 73 68 54 c6 00 24
0 \0 \0 \0 \0 001 \0 \0 \0 \0 s h T 306 \0 $
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a s e d . t a b l e . i n d e x
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. t y p e \0 \0 \0 \0 \0 * 001 r o c k
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s d b . b l o c k . b a s e d .
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t a b l e . p r e f i x . f i l
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b . b l o c k . b a s e d . t a
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b l e . w h o l e . k e y . f i
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o l u m n . f a m i l y . n a m
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e l d b . B y t e w i s e C o m
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p a r a t o r \0 023 006 r o c k s d
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b . c o m p r e s s i o n S n a
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e a t i o n . t i m e 313 261 210 332 005
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s i z e 036 \0 024 001 r o c k s d b .
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\0 026 001 r o c k s d b . m e r g e
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t o r n u l l p t r \0 027 001 r o c
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o c k s d b . o l d e s t . k e
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c k s d b . p r e f i x . e x t
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r a c t o r . n a m e n u l l p
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t r \0 033 002 r o c k s d b . p r o
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p e r t y . c o l l e c t o r s
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[ ] \0 024 001 r o c k s d b . r a w
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. k e y . s i z e \v \0 026 001 r o c
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k s d b . r a w . v a l u e . s
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i z e 003 \0 \0 \0 \0 + \0 \0 \0 Y \0 \0 \0
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v 001 \0 \0 222 001 \0 \0 254 001 \0 \0 302 001 \0 \0
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M 002 \0 \0 t 002 \0 \0 224 002 \0 \0 254 002 \0 \0
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027 \0 \0 \0 \0 251 6 252 J \0 022 003 r o c k
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s d b . p r o p e r t i e s 036 246
0001540 06 00 00 00 00 01 00 00 00 00 3e d3 d7 55 00 09
006 \0 \0 \0 \0 001 \0 \0 \0 \0 > 323 327 U \0 \t
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002 l 021 377 377 377 377 377 377 377 \0 031 \0 \0 \0 \0
0001600 01 00 00 00 00 d4 3e 05 c9 01 c9 06 20 ee 06 16
001 \0 \0 \0 \0 324 > 005 311 001 311 006 356 006 026
0001620 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
\0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0
*
0001660 00 00 02 00 00 00 f7 cf f4 85 b7 41 e2 88
\0 \0 002 \0 \0 \0 367 317 364 205 267 A 277 210
0001676
Raw
rocksdb_bw.sst.dump
0000000 00 0b 03 6b 62 30 01 00 00 00 00 00 00 00 76 62
\0 \v 003 k b 0 001 \0 \0 \0 \0 \0 \0 \0 v b
0000020 30 00 00 00 00 01 00 00 00 00 c5 fa a0 5c 00 24
0 \0 \0 \0 \0 001 \0 \0 \0 \0 305 372 240 \ \0 $
0000040 04 72 6f 63 6b 73 64 62 2e 62 6c 6f 63 6b 2e 62
004 r o c k s d b . b l o c k . b
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a s e d . t a b l e . i n d e x
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. t y p e \0 \0 \0 \0 \0 * 001 r o c k
0000120 73 64 62 2e 62 6c 6f 63 6b 2e 62 61 73 65 64 2e
s d b . b l o c k . b a s e d .
0000140 74 61 62 6c 65 2e 70 72 65 66 69 78 2e 66 69 6c
t a b l e . p r e f i x . f i l
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t e r i n g 0 \0 - 001 r o c k s d
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b . b l o c k . b a s e d . t a
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b l e . w h o l e . k e y . f i
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l t e r i n g 1 \0 030 005 r o c k s
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d b . c o l u m n . f a m i l y
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. i d 377 377 377 377 \a \0 022 032 r o c k s
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d b . c o m p a r a t o r l e v
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e l d b . B y t e w i s e C o m
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p a r a t o r \0 023 006 r o c k s d
0000400 62 2e 63 6f 6d 70 72 65 73 73 69 6f 6e 53 6e 61
b . c o m p r e s s i o n S n a
0000420 70 70 79 00 15 01 72 6f 63 6b 73 64 62 2e 63 72
p p y \0 025 001 r o c k s d b . c r
0000440 65 61 74 69 6f 6e 2e 74 69 6d 65 00 00 11 01 72
e a t i o n . t i m e \0 \0 021 001 r
0000460 6f 63 6b 73 64 62 2e 64 61 74 61 2e 73 69 7a 65
o c k s d b . d a t a . s i z e
0000500 1e 00 26 08 72 6f 63 6b 73 64 62 2e 65 78 74 65
036 \0 & \b r o c k s d b . e x t e
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r n a l _ s s t _ f i l e . g l
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o b a l _ s e q n o \0 \0 \0 \0 \0 \0
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\0 \0 \0 ! 004 r o c k s d b . e x t
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e r n a l _ s s t _ f i l e . v
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e r s i o n 002 \0 \0 \0 \0 023 001 r o c
0000640 6b 73 64 62 2e 66 69 6c 74 65 72 2e 73 69 7a 65
k s d b . f i l t e r . s i z e
0000660 00 00 18 01 72 6f 63 6b 73 64 62 2e 66 69 78 65
\0 \0 030 001 r o c k s d b . f i x e
0000700 64 2e 6b 65 79 2e 6c 65 6e 67 74 68 00 00 16 01
d . k e y . l e n g t h \0 \0 026 001
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r o c k s d b . f o r m a t . v
0000740 65 72 73 69 6f 6e 00 00 12 01 72 6f 63 6b 73 64
e r s i o n \0 \0 022 001 r o c k s d
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b . i n d e x . s i z e 033 \0 026 \a
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r o c k s d b . m e r g e . o p
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e r a t o r n u l l p t r \0 027 001
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r o c k s d b . n u m . d a t a
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. b l o c k s 001 \0 023 001 r o c k s
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d b . n u m . e n t r i e s 001 \0
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027 001 r o c k s d b . o l d e s t
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. k e y . t i m e \0 \0 035 \a r o c
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k s d b . p r e f i x . e x t r
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a c t o r . n a m e n u l l p t
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r \0 033 002 r o c k s d b . p r o p
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e r t y . c o l l e c t o r s [
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] \0 024 001 r o c k s d b . r a w .
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k e y . s i z e \v \0 026 001 r o c k
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s d b . r a w . v a l u e . s i
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; 243 223 [ \0 022 003 r o c k s d b . p
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r o p e r t i e s 036 241 006 \0 \0 \0 \0
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001 \0 \0 \0 \0 | ' 200 256 \0 \t 002 l 021 377 377
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\0 367 317 364 205 267 A 171 210
0001671
Raw
RocksDBTest.java
import org.rocksdb.EnvOptions;
import org.rocksdb.FlushOptions;
import org.rocksdb.IngestExternalFileOptions;
import org.rocksdb.Options;
import org.rocksdb.OptionsUtil;
import org.rocksdb.RocksDB;
import org.rocksdb.SstFileWriter;
public class RocksDBTest
{
public static void main(String[] args)
throws Exception
{
String pathForB = "/Users/komamitsu/tmp/rocksdb_b";
RocksDB b = RocksDB.open(pathForB);
b.put("kb0".getBytes(), "vb0".getBytes());
b.flush(new FlushOptions());
b.close();
String pathForBw = "/Users/komamitsu/tmp/rocksdb_bw";
SstFileWriter sstFileWriter = new SstFileWriter(new EnvOptions(), new Options());
sstFileWriter.open(pathForBw);
sstFileWriter.put("kb0".getBytes(), "vb0".getBytes());
sstFileWriter.finish();
sstFileWriter.close();
}
}
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