postgres \c 调用 fscanf 导致的 bug。

scripts/do_pgbecnh.md

@@ -4,14 +4,6 @@
 sudo apt-get update
 sudo apt-get install -y postgresql postgresql-contrib
 
-# 2. 找到 postgresql.conf（Ubuntu 通常在这个目录）
-
-ls /etc/postgresql/*/main/postgresql.conf
-
-# 3. 配置禁用 mmap（编辑 postgresql.conf）
-
-shared_memory_type = sysv
-dynamic_shared_memory_type = sysv
 
 # 4. 重启 PostgreSQL
 
@@ -19,52 +11,39 @@ dynamic_shared_memory_type = sysv
 sudo systemctl stop postgresql
 pkill -9 -u postgres postgres || true
 rm -rf /home/lian/pg/pgdata
-rm -rf /zvfs/pg_ts_bench
+LD_PRELOAD=/home/lian/share/zvfs/src/libzvfs.so rm -rf /zvfs/pg_ts_bench
 rm -rf /tmp/pg.log
 
 ## 初始化
+sudo mkdir -p /home/lian/pg/pgdata
 sudo chown -R postgres:postgres /home/lian/pg
 sudo -u postgres mkdir -p /home/lian/pg/pgdata
 sudo chown -R postgres:postgres /home/lian/pg/pgdata
 
-sudo -u postgres env LD_PRELOAD=/home/lian/try/zvfs/src/libzvfs.so \
+sudo -u postgres env LD_PRELOAD=/home/lian/share/zvfs/src/libzvfs.so \
     /usr/lib/postgresql/12/bin/initdb -D /home/lian/pg/pgdata
 
 ## 修改配置文件
-cp  ./postgresql.conf /home/lian/pg/pgdata/
+cp  /home/lian/share/zvfs/postgresql.conf /home/lian/pg/pgdata/
 sudo chown -R postgres:postgres /home/lian/pg/pgdata/postgresql.conf
 
 ## 创建测试环境
-sudo -u postgres mkdir -p /zvfs/pg_ts_bench
+sudo mkdir -p /zvfs/pg_ts_bench
 sudo chown -R postgres:postgres /zvfs/pg_ts_bench
 sudo chmod 700 /zvfs/pg_ts_bench
 
-
-
 ## 启动服务
-sudo -u postgres env LD_PRELOAD=/home/lian/try/zvfs/src/libzvfs.so \
+sudo -u postgres env LD_PRELOAD=/home/lian/share/zvfs/src/libzvfs.so \
     /usr/lib/postgresql/12/bin/pg_ctl -D /home/lian/pg/pgdata -l /tmp/pg.log start
 
-sudo -u postgres env \
-    LD_PRELOAD=/home/lian/try/zvfs/src/libzvfs.so \
-    ZVFS_DEBUG_OPEN=1 \
-    ZVFS_DEBUG_OPEN_MATCH=PG_VERSION \
-    ZVFS_DEBUG_RW=1 \
-    /usr/lib/postgresql/12/bin/pg_ctl -D /home/lian/pg/pgdata -l /tmp/pg.log start
 
 ## 打开命令行工具
-sudo -u postgres env LD_PRELOAD=/home/lian/try/zvfs/src/libzvfs.so \
-    /usr/lib/postgresql/12/bin/psql 
-    
-
-sudo -u postgres env LD_PRELOAD=/home/lian/try/zvfs/src/libzvfs.so \
-    ZVFS_DEBUG_OPEN=1 \
-    ZVFS_DEBUG_OPEN_MATCH=PG_VERSION \
-    ZVFS_DEBUG_RW=1 \
+sudo -u postgres env LD_PRELOAD=/home/lian/share/zvfs/src/libzvfs.so \
     /usr/lib/postgresql/12/bin/psql 
 
-## 重启服务
-sudo -u postgres env LD_PRELOAD=/home/lian/try/zvfs/src/libzvfs.so \
+
+## 重启服务指令
+sudo -u postgres env LD_PRELOAD=/home/lian/share/zvfs/src/libzvfs.so \
     /usr/lib/postgresql/12/bin/pg_ctl -D /home/lian/pg/pgdata -l /tmp/pg.log restart
 
 
@@ -142,7 +121,9 @@ WHERE relname='hook_probe';
 # 12. 删表
 DROP TABLE IF EXISTS hook_probe;
 
+# 查看表文件
+SELECT pg_relation_filepath('hook_probe');
 
 # 13. 压测
-bash /home/lian/try/zvfs/scripts/run_pgbench_no_mmap.sh
+bash /home/lian/share/zvfs/scripts/run_pgbench_no_mmap.sh
 ```

scripts/do_rocksdb_bench.md

@@ -0,0 +1,13 @@
+```shell
+sudo apt install -y git build-essential libgflags-dev libsnappy-dev zlib1g-dev libbz2-dev liblz4-dev libzstd-dev cmake
+
+git clone https://github.com/facebook/rocksdb.git
+cd rocksdb
+
+git checkout v8.10.0
+
+make db_bench -j$(nproc) \
+  DISABLE_JEMALLOC=1 \
+  USE_JEMALLOC=0 \
+  JEMALLOC=0
+```

scripts/run_db_bench.sh

@@ -5,7 +5,7 @@ set -euo pipefail
 # Manual Config (edit here)
 # =========================
 # 可执行文件路径
-DB_BENCH_BIN="/home/lian/env/rocksdb-test/db_bench"
+DB_BENCH_BIN="/home/lian/env/rocksdb/db_bench"
 # RocksDB 数据目录
 DB_PATH="/tmp/rocksdb_manual"
 

scripts/run_db_bench_zvfs.sh

@@ -1,12 +1,12 @@
 #!/usr/bin/env bash
 set -euo pipefail
-env -u LD_PRELOAD rm -rf /zvfs/rocksdb_manual || true
+env -u LD_PRELOAD=/home/lian/share/zvfs/src/libzvfs.so -rf /zvfs/rocksdb_manual || true
 
 # =========================
 # Manual Config (edit here)
 # =========================
 # 可执行文件路径
-DB_BENCH_BIN="/home/lian/env/rocksdb-test/db_bench"
+DB_BENCH_BIN="/home/lian/env/rocksdb/db_bench"
 # RocksDB 数据目录
 DB_PATH="/zvfs/rocksdb_manual"
 
@@ -20,8 +20,7 @@ DB_PATH="/zvfs/rocksdb_manual"
 BENCHMARKS="fillrandom,readrandom"
 
 # key数
-# NUM=1000000
-NUM=5000
+NUM=50000
 
 # 线程数
 THREADS=2
@@ -92,7 +91,7 @@ echo "USE_MMAP_READS=$USE_MMAP_READS USE_MMAP_WRITES=$USE_MMAP_WRITES"
 echo "STATISTICS=$STATISTICS STATS_INTERVAL_SECONDS=$STATS_INTERVAL_SECONDS HISTOGRAM=$HISTOGRAM"
 echo
 
-exec "$DB_BENCH_BIN" \
+exec env LD_PRELOAD=/home/lian/share/zvfs/src/libzvfs.so "$DB_BENCH_BIN" \
   --db="$DB_PATH" \
   --benchmarks="$BENCHMARKS" \
   --num="$NUM" \

scripts/run_pgbench_no_mmap.sh

@@ -21,7 +21,7 @@ PG_INIT_STEPS="dtg"
 PG_SKIP_INIT="0"
 PG_SUPERUSER="postgres"
 USE_LD_PRELOAD="1"
-LD_PRELOAD_PATH="/home/lian/try/zvfs/src/libzvfs.so"
+LD_PRELOAD_PATH="/home/lian/share/zvfs/src/libzvfs.so"
 
 # 可选：优先使用这个目录；为空时自动从 PATH 里找
 PG_BIN_DIR="/usr/lib/postgresql/12/bin"

scripts/run_test_hook_api.sh

@@ -1 +1 @@
-LD_PRELOAD=/home/lian/try/zvfs/src/libzvfs.so ZVFS_TEST_ROOT=/zvfs /home/lian/try/zvfs/tests/bin/hook_api_test
+LD_PRELOAD=/home/lian/share/zvfs/src/libzvfs.so ZVFS_TEST_ROOT=/zvfs /home/lian/share/zvfs/tests/bin/hook_api_test

scripts/search_libzvfs.sh

@@ -1,8 +0,0 @@
-# pgrep -u postgres -x postgres | while read p; do
-#     echo "PID=$p"
-#     sudo grep -m1 libzvfs /proc/$p/maps || echo "  (no libzvfs)"
-# done
-
-for p in 185591 185633 185664; do
-echo "== $p"; grep libzvfs /proc/$p/maps || echo "NO_LIB";
-done