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Keep data in mem for local query #381

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Merged
merged 1 commit into from
Apr 26, 2023
Merged

Keep data in mem for local query #381

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25 changes: 14 additions & 11 deletions server/src/event/writer.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,7 @@ pub static STREAM_WRITERS: Lazy<WriterTable> = Lazy::new(WriterTable::default);

pub enum StreamWriter {
Mem(InMemWriter),
Disk(FileWriter),
Disk(FileWriter, InMemWriter),
}

impl StreamWriter {
Expand All @@ -58,8 +58,9 @@ impl StreamWriter {
StreamWriter::Mem(mem) => {
mem.push(rb);
}
StreamWriter::Disk(disk) => {
StreamWriter::Disk(disk, mem) => {
disk.push(stream_name, schema_key, &rb)?;
mem.push(rb);
}
}
Ok(())
Expand Down Expand Up @@ -112,7 +113,7 @@ impl WriterTable {
let mut writer = if CONFIG.parseable.in_mem_ingestion {
StreamWriter::Mem(InMemWriter::default())
} else {
StreamWriter::Disk(FileWriter::default())
StreamWriter::Disk(FileWriter::default(), InMemWriter::default())
};

writer.push(stream_name, schema_key, record)?;
Expand Down Expand Up @@ -146,7 +147,7 @@ impl WriterTable {
buf: rb,
});
}
StreamWriter::Disk(disk) => disk.close_all(),
StreamWriter::Disk(disk, _) => disk.close_all(),
}
}
}
Expand All @@ -155,13 +156,15 @@ impl WriterTable {
let hashmap_guard = self.read().unwrap();
let (writer, context) = hashmap_guard.get(stream_name)?;
let writer = writer.lock().unwrap();
match &*writer {
StreamWriter::Mem(mem) => Some(ReadBuf {
time: context.time,
buf: mem.recordbatch_cloned(),
}),
StreamWriter::Disk(_) => None,
}
let mem = match &*writer {
StreamWriter::Mem(mem) => mem,
StreamWriter::Disk(_, mem) => mem,
};

Some(ReadBuf {
time: context.time,
buf: mem.recordbatch_cloned(),
})
}
}

Expand Down