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Read ahead over SFTP: one connection with 32 requests in flight by default, more with restore_sftp_connections; a Storage Box gets slower with parallel readers

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Dillard Blom
2026-10-19 07:46:12 +02:00
parent 6121f684e9
commit c95f552cc6
8 changed files with 47 additions and 22 deletions
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tests/Unit/Backend/SftpRangeFetcherTest.php
+2 -2
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@@ -79,9 +79,9 @@ class SftpRangeFetcherTest extends TestCase {
}
public function testKeepsSeveralRequestsInFlightOnEachConnection(): void {
$this->files['/home/repo/packs/big'] = random_bytes(6 * 1048576);
$this->files['/home/repo/packs/big'] = random_bytes(10 * 1048576);
$connections = $this->connections(2);
self::collect(SftpRangeFetcher::fetch(self::opened($connections), '/home/', [['repo/packs/big', 0, 6 * 1048576], ['repo/packs/big', 5, 6 * 1048576 - 5]], $this->tempDir()));
self::collect(SftpRangeFetcher::fetch(self::opened($connections), '/home/', [['repo/packs/big', 0, 10 * 1048576], ['repo/packs/big', 5, 10 * 1048576 - 5]], $this->tempDir()));
$this->assertSame(SftpRangeFetcher::DEPTH, $connections[0]->maxInFlight);
$this->assertSame(SftpRangeFetcher::DEPTH, $connections[1]->maxInFlight);