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Add kv_log_level, print warnings on level 1, trace ops on level 10

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Vitaliy Filippov
2024-03-16 13:24:36 +03:00
parent 605afc3583
commit 79ae0aadcd
3 changed files with 24 additions and 11 deletions
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src/kv_db.cpp
+9 -3
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@@ -133,6 +133,7 @@ struct kv_db_t
uint64_t evict_max_misses = 10;
uint64_t evict_attempts_per_level = 3;
uint64_t allocate_blocks = 4;
uint64_t log_level = 1;
// state
uint64_t evict_unused_counter = 0;
@@ -533,6 +534,7 @@ void kv_db_t::set_config(json11::Json cfg)
this->evict_unused_age = cfg["kv_evict_unused_age"].is_null() ? 1000 : cfg["kv_evict_unused_age"].uint64_value();
this->cache_max_blocks = this->memory_limit / this->kv_block_size;
this->allocate_blocks = cfg["kv_allocate_blocks"].uint64_value() ? cfg["kv_allocate_blocks"].uint64_value() : 4;
this->log_level = !cfg["kv_log_level"].is_null() ? cfg["kv_log_level"].uint64_value() : 1;
}
void kv_db_t::close(std::function<void()> cb)
@@ -964,9 +966,13 @@ int kv_op_t::handle_block(int res, bool updated, bool stop_on_split)
// We may read P on step (1), get a link to A, and read A on step (4).
// It will miss data from [c, b).
// Retry once. If we don't see any updates after retrying - fail with EILSEQ.
fprintf(stderr, "K/V: %sgot unrelated block %lu: key=%s range=[%s, %s) from=[%s, %s)\n",
!this->updated && this->retry > 0 ? "Error: " : "Warning: read/update collision: ",
cur_block, key.c_str(), blk->key_ge.c_str(), blk->key_lt.c_str(), prev_key_ge.c_str(), prev_key_lt.c_str());
bool fatal = !this->updated && this->retry > 0;
if (fatal || db->log_level > 0)
{
fprintf(stderr, "K/V: %sgot unrelated block %lu: key=%s range=[%s, %s) from=[%s, %s)\n",
fatal ? "Error: " : "Warning: read/update collision: ",
cur_block, key.c_str(), blk->key_ge.c_str(), blk->key_lt.c_str(), prev_key_ge.c_str(), prev_key_lt.c_str());
}
if (this->updated)
{
this->updated = false;