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Merge pull request #8199 from tweag/fix-sqlite-busy-reporting

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Fix unnecessary reporting of SQLite busy errors
This commit is contained in:
Eelco Dolstra 2023-04-14 10:50:50 +02:00 committed by GitHub
parent 33fc09c2a5 de3df3009b
commit 7eac8838df
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 7 additions and 8 deletions
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9
src/libstore/sqlite.cc
View file

@ -239,14 +239,11 @@ SQLiteTxn::~SQLiteTxn()
}
}
void handleSQLiteBusy(const SQLiteBusy & e)
void handleSQLiteBusy(const SQLiteBusy & e, time_t & nextWarning)
{
static std::atomic<time_t> lastWarned{0};
time_t now = time(0);
if (now > lastWarned + 10) {
lastWarned = now;
if (now > nextWarning) {
nextWarning = now + 10;
logWarning({
.msg = hintfmt(e.what())
});

6
src/libstore/sqlite.hh
View file

@ -139,7 +139,7 @@ protected:
MakeError(SQLiteBusy, SQLiteError);
void handleSQLiteBusy(const SQLiteBusy & e);
void handleSQLiteBusy(const SQLiteBusy & e, time_t & nextWarning);
/**
* Convenience function for retrying a SQLite transaction when the
@ -148,11 +148,13 @@ void handleSQLiteBusy(const SQLiteBusy & e);
template<typename T, typename F>
T retrySQLite(F && fun)
{
time_t nextWarning = time(0) + 1;
while (true) {
try {
return fun();
} catch (SQLiteBusy & e) {
handleSQLiteBusy(e);
handleSQLiteBusy(e, nextWarning);
}
}
}