[Enhancement] Support limit dir size for spill

Signed-off-by: caneGuy <[email protected]>

be/src/common/config.h

@@ -876,6 +876,10 @@ CONF_mInt32(spill_init_partition, "16");
 // The maximum size of a single log block container file, this is not a hard limit.
 // If the file size exceeds this limit, a new file will be created to store the block.
 CONF_Int64(spill_max_log_block_container_bytes, "10737418240"); // 10GB
+// The maximum size of a single spill directory, for some case the spill directory may
+// be the same with storage path. Spill will return with error when used size has exceeded
+// the limit.
+CONF_mDouble(spill_max_dir_bytes_ratio, "0.3"); // 30%
 
 // Now, only get_info is processed by _async_thread_pool, and only needs a small number of threads.
 // The default value is set as the THREAD_POOL_SIZE of RoutineLoadTaskScheduler of FE.

be/src/exec/spill/dir_manager.cpp

@@ -59,6 +59,7 @@ Status DirManager::init() {
 
     std::regex query_id_pattern("^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$");
 
+    double max_dir_size_ratio = config::spill_max_dir_bytes_ratio;
     for (const auto& path : spill_local_storage_paths) {
         std::string spill_dir_path = path.path;
         ASSIGN_OR_RETURN(auto fs, FileSystem::CreateSharedFromString(spill_dir_path));
@@ -76,7 +77,14 @@ Status DirManager::init() {
             }
             return true;
         }));
-        _dirs.emplace_back(std::make_shared<Dir>(spill_dir_path, std::move(fs)));
+        ASSIGN_OR_RETURN(auto space_info, FileSystem::Default()->space(spill_dir_path));
+        int64_t max_dir_size = space_info.capacity;
+        for (const auto& storage_path : storage_paths) {
+            if (is_same_disk(spill_dir_path, storage_path)) {
+                max_dir_size = max_dir_size * max_dir_size_ratio;
+            }
+        }
+        _dirs.emplace_back(std::make_shared<Dir>(spill_dir_path, std::move(fs), max_dir_size));
     }
     return Status::OK();
 }

be/src/exec/spill/dir_manager.h

@@ -14,6 +14,8 @@
 
 #pragma once
 
+#include <sys/statfs.h>
+
 #include <atomic>
 #include <memory>
 
@@ -27,14 +29,23 @@ namespace starrocks::spill {
 // @TODO(silverbullet233): maintain some stats, such as the capacity
 class Dir {
 public:
-    Dir(std::string dir, std::shared_ptr<FileSystem> fs) : _dir(std::move(dir)), _fs(fs) {}
+    Dir(std::string dir, std::shared_ptr<FileSystem> fs, int64_t max_dir_size)
+            : _dir(std::move(dir)), _fs(fs), _max_size(max_dir_size) {}
 
     FileSystem* fs() const { return _fs.get(); }
     std::string dir() const { return _dir; }
 
+    int64_t get_current_size() const { return _current_size.load(); }
+
+    void set_current_size(int64_t value) { _current_size.store(value); }
+
+    int64_t get_max_size() const { return _max_size; }
+
 private:
     std::string _dir;
     std::shared_ptr<FileSystem> _fs;
+    int64_t _max_size;
+    std::atomic<int64_t> _current_size;
 };
 using DirPtr = std::shared_ptr<Dir>;
 
@@ -55,6 +66,13 @@ class DirManager {
     StatusOr<Dir*> acquire_writable_dir(const AcquireDirOptions& opts);
 
 private:
+    bool is_same_disk(const std::string& path1, const std::string& path2) {
+        struct statfs stat1, stat2;
+        statfs(path1.c_str(), &stat1);
+        statfs(path2.c_str(), &stat2);
+        return stat1.f_fsid.__val[0] == stat2.f_fsid.__val[0] && stat1.f_fsid.__val[1] == stat2.f_fsid.__val[1];
+    }
+
     std::atomic<size_t> _idx = 0;
     std::vector<DirPtr> _dirs;
 };

be/src/exec/spill/log_block_manager.cpp

@@ -167,9 +167,14 @@ class LogBlock : public Block {
     Status append(const std::vector<Slice>& data) override {
         size_t total_size = 0;
         std::for_each(data.begin(), data.end(), [&](const Slice& slice) { total_size += slice.size; });
+        if (_container->dir()->get_current_size() + total_size > _container->dir()->get_max_size()) {
+            return Status::Aborted(fmt::format("Dir current used size has exceeded limit {}! Current size {}, total_size {}!",
+                                   _container->dir()->get_max_size(), _container->dir()->get_current_size(), total_size));
+        }
         RETURN_IF_ERROR(_container->ensure_preallocate(total_size));
         RETURN_IF_ERROR(_container->append_data(data));
         _size += total_size;
+        _container->dir()->set_current_size(_container->dir()->get_current_size() + total_size);
         return Status::OK();
     }