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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| rocksdb_server | ||
| create_db |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| SKYLOFT_DIR ?= | ||
| ROCKSDB_SRC ?= | ||
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| CFLAGS = -I$(SKYLOFT_DIR)/include -DSKYLOFT | ||
| SKYLOFT_LIBS = $(SKYLOFT_DIR)/lib/libskyloft.a $(SKYLOFT_DIR)/lib/libutils.a | ||
| SKYLOFT_LDFLAGS = -T $(SKYLOFT_DIR)/lib/libos.ld -lnuma | ||
| SKYLOFT_LDFLAGS += $(shell pkg-config --libs libdpdk) | ||
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| CFLAGS += -I$(ROCKSDB_SRC)/include/rocksdb/ | ||
| ROCKSDB_LIBS = $(ROCKSDB_SRC)/librocksdb.a | ||
| ROCKSDB_LDFLAGS = -lpthread -ldl -lz -lbz2 -lsnappy -lzstd -lstdc++ -lm | ||
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| ifneq ($(DEBUG),) | ||
| CFLAGS += -DDEBUG -rdynamic -O0 -ggdb | ||
| LDFLAGS += -rdynamic | ||
| else | ||
| CFLAGS += -DNDEBUG -O3 | ||
| endif | ||
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| CC = gcc | ||
| CXX = g++ | ||
| LD = gcc | ||
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| rocksdb_server_src = rocksdb_server.cc | ||
| rocksdb_server_obj = $(rocksdb_server_src:.cc=.o) | ||
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| create_db_src = create_db.cc | ||
| create_db_obj = $(create_db_src:.cc=.o) | ||
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| src = $(rocksdb_server_src) $(create_db_src) | ||
| obj = $(rocksdb_server_obj) $(create_db_obj) | ||
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| # must be first | ||
| all: rocksdb_server create_db | ||
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| $(ROCKSDB_LIBS): | ||
| make -j -C rocksdb static_lib | ||
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| rocksdb_server: $(rocksdb_server_obj) $(SKYLOFT_LIBS) $(ROCKSDB_LIBS) | ||
| $(LD) -o $@ $^ $(SKYLOFT_LDFLAGS) $(ROCKSDB_LDFLAGS) | ||
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| create_db: $(create_db_obj) $(ROCKSDB_LIBS) | ||
| $(LD) -o $@ $^ $(ROCKSDB_LDFLAGS) | ||
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| %.o: %.c | ||
| $(CC) $(CFLAGS) -c $< -o $@ | ||
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| %.o: %.cc | ||
| $(CXX) $(CFLAGS) -c $< -o $@ | ||
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| .PHONY: clean | ||
| clean: | ||
| rm -f $(obj) rocksdb_server |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| #include <assert.h> | ||
| #include <random> | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
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| #include "c.h" | ||
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| #include <unistd.h> // sysconf() - get CPU count | ||
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| const char DBPath[] = "/tmp/my_db"; | ||
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| int main(int argc, char **argv) | ||
| { | ||
| rocksdb_t *db; | ||
| rocksdb_backup_engine_t *be; | ||
| rocksdb_options_t *options = rocksdb_options_create(); | ||
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| rocksdb_slicetransform_t *prefix_extractor = rocksdb_slicetransform_create_fixed_prefix(8); | ||
| rocksdb_options_set_prefix_extractor(options, prefix_extractor); | ||
| rocksdb_options_set_plain_table_factory(options, 0, 10, 0.75, 3); | ||
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| // Optimize RocksDB. This is the easiest way to | ||
| // get RocksDB to perform well | ||
| long cpus = sysconf(_SC_NPROCESSORS_ONLN); // get # of online cores | ||
| rocksdb_options_increase_parallelism(options, (int)(cpus)); | ||
| rocksdb_options_optimize_level_style_compaction(options, 512 * 1024 * 1024); | ||
| // create the DB if it's not already present | ||
| rocksdb_options_set_create_if_missing(options, 1); | ||
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| // open DB | ||
| char *err = NULL; | ||
| db = rocksdb_open(options, DBPath, &err); | ||
| if (err) { | ||
| printf("Failed to open DB: %s\n", err); | ||
| exit(1); | ||
| } | ||
|
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| // Setup RNG | ||
| std::random_device rd; | ||
| std::mt19937_64 e2(rd()); | ||
| std::uniform_int_distribution<long long int> dist(std::llround(std::pow(2, 64))); | ||
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| // Put key-value | ||
| rocksdb_writeoptions_t *writeoptions = rocksdb_writeoptions_create(); | ||
| const char *value = "value"; | ||
| for (int i = 0; i < 5000; i++) { | ||
| char key[10]; | ||
| // char value[64]; | ||
| snprintf(key, sizeof(key), "key%d", i); | ||
| // snprintf(value, sizeof(value), "%lld", dist(e2)); | ||
| rocksdb_put(db, writeoptions, key, strlen(key), value, strlen(value) + 1, &err); | ||
| assert(!err); | ||
| } | ||
|
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| // Get value | ||
| rocksdb_readoptions_t *readoptions = rocksdb_readoptions_create(); | ||
| for (int i = 0; i < 10000; i++) { | ||
| size_t len; | ||
| char key[10]; | ||
| snprintf(key, sizeof(key), "key%d", i); | ||
| char *returned_value = rocksdb_get(db, readoptions, key, strlen(key), &len, &err); | ||
| if (err) { | ||
| printf("GET failed: %s\n", err); | ||
| break; | ||
| } | ||
| printf("key: %s, Returned value: %s\n", key, returned_value); | ||
| if (i < 5000) { | ||
| assert(strcmp(returned_value, "value") == 0); | ||
| free(returned_value); | ||
| } else { | ||
| assert(!returned_value); | ||
| } | ||
| } | ||
|
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| // cleanup | ||
| rocksdb_writeoptions_destroy(writeoptions); | ||
| // rocksdb_readoptions_destroy(readoptions); | ||
| rocksdb_options_destroy(options); | ||
| rocksdb_close(db); | ||
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| return 0; | ||
| } |
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