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SNOW-1802651: Arrow memory leak? #1241

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datbth opened this issue Nov 13, 2024 · 1 comment
Open

SNOW-1802651: Arrow memory leak? #1241

datbth opened this issue Nov 13, 2024 · 1 comment
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bug Erroneous or unexpected behaviour status-triage_done Initial triage done, will be further handled by the driver team

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@datbth
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datbth commented Nov 13, 2024

  1. What version of GO driver are you using?
    v1.12.0

  2. What operating system and processor architecture are you using?
    Ubuntu 24.04.1 LTS

  3. What version of GO are you using?
    go version go1.23.1 linux/amd64

  4. Server version: 8.42.2

  5. What did you do?

	mem := memory.NewCheckedAllocator(memory.NewGoAllocator())
	defer mem.AssertSize(t, 0)

	ctx := sf.WithArrowAllocator(
		context.Background(),
		mem,
	)

	db, err := sql.Open("snowflake", connUrl)
	require.NoError(t, err)
	defer db.Close()

	conn, err := db.Conn(ctx)
	require.NoError(t, err)
	defer conn.Close()

	rows, err := conn.QueryContext(ctx, "select 1")
	require.NoError(t, err)
	defer rows.Close()
	for rows.Next() {
		var v int
		require.NoError(t, rows.Scan(&v))
		assert.Equal(t, 1, v)
	}
  1. What did you expect to see?
  • Expected output: No error
  • Actual output: invalid memory size exp=0, got=64
    /home/datbth/repo/checked_allocator.go:186: LEAK of 64 bytes FROM
                github.com/apache/arrow/go/v15/arrow/ipc.(*messageReader).Message+3a2
                        /home/datbth/go/pkg/mod/github.com/apache/arrow/go/v15@v15.0.2/arrow/ipc/message.go:228
  1. Can you set logging to DEBUG and collect the logs?

    https://community.snowflake.com/s/article/How-to-generate-log-file-on-Snowflake-connectors

    Before sharing any information, please be sure to review the log and remove any sensitive
    information.

@datbth datbth added the bug Erroneous or unexpected behaviour label Nov 13, 2024
@github-actions github-actions bot changed the title Arrow memory leak? SNOW-1802651: Arrow memory leak? Nov 13, 2024
@sfc-gh-dszmolka sfc-gh-dszmolka added the status-triage_done Initial triage done, will be further handled by the driver team label Nov 14, 2024
@sfc-gh-dszmolka
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hi .. we'll take a look.

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Labels
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