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iotests: 287: add qcow2 compression type test
The test checks fulfilling qcow2 requirements for the compression type feature and zstd compression type operability. Signed-off-by: Denis Plotnikov <dplotnikov@virtuozzo.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Tested-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20200507082521.29210-5-dplotnikov@virtuozzo.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Denis Plotnikov
Max Reitz
parent
d298ac10ad
commit
dd488fc1c0
152
tests/qemu-iotests/287
Executable file
152
tests/qemu-iotests/287
Executable file
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#!/usr/bin/env bash
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#
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# Test case for an image using zstd compression
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#
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# Copyright (c) 2020 Virtuozzo International GmbH
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=dplotnikov@virtuozzo.com
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seq="$(basename $0)"
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echo "QA output created by $seq"
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status=1 # failure is the default!
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# standard environment
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. ./common.rc
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. ./common.filter
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# This tests qocw2-specific low-level functionality
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_supported_fmt qcow2
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_supported_proto file
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_supported_os Linux
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_unsupported_imgopts 'compat=0.10' data_file
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COMPR_IMG="$TEST_IMG.compressed"
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RAND_FILE="$TEST_DIR/rand_data"
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_cleanup()
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{
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_cleanup_test_img
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_rm_test_img "$COMPR_IMG"
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rm -f "$RAND_FILE"
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# for all the cases
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CLUSTER_SIZE=65536
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# Check if we can run this test.
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if IMGOPTS='compression_type=zstd' _make_test_img 64M |
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grep "Invalid parameter 'zstd'"; then
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_notrun "ZSTD is disabled"
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fi
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echo
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echo "=== Testing compression type incompatible bit setting for zlib ==="
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echo
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_make_test_img -o compression_type=zlib 64M
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$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
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echo
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echo "=== Testing compression type incompatible bit setting for zstd ==="
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echo
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_make_test_img -o compression_type=zstd 64M
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$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
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echo
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echo "=== Testing zlib with incompatible bit set ==="
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echo
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_make_test_img -o compression_type=zlib 64M
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$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 3
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# to make sure the bit was actually set
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$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
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if $QEMU_IMG info "$TEST_IMG" >/dev/null 2>&1 ; then
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echo "Error: The image opened successfully. The image must not be opened."
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fi
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echo
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echo "=== Testing zstd with incompatible bit unset ==="
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echo
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_make_test_img -o compression_type=zstd 64M
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$PYTHON qcow2.py "$TEST_IMG" set-header incompatible_features 0
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# to make sure the bit was actually unset
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$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
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if $QEMU_IMG info "$TEST_IMG" >/dev/null 2>&1 ; then
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echo "Error: The image opened successfully. The image must not be opened."
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fi
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echo
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echo "=== Testing compression type values ==="
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echo
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# zlib=0
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_make_test_img -o compression_type=zlib 64M
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peek_file_be "$TEST_IMG" 104 1
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echo
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# zstd=1
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_make_test_img -o compression_type=zstd 64M
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peek_file_be "$TEST_IMG" 104 1
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echo
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echo
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echo "=== Testing simple reading and writing with zstd ==="
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echo
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_make_test_img -o compression_type=zstd 64M
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$QEMU_IO -c "write -c -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io
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# read on the cluster boundaries
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$QEMU_IO -c "read -v 131070 8 " "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -v 65534 8" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "=== Testing adjacent clusters reading and writing with zstd ==="
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echo
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_make_test_img -o compression_type=zstd 64M
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$QEMU_IO -c "write -c -P 0xAB 0 64K " "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "write -c -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "write -c -P 0xAD 128K 64K " "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0xAB 0 64k " "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0xAC 64K 64k " "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0xAD 128K 64k " "$TEST_IMG" | _filter_qemu_io
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echo
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echo "=== Testing incompressible cluster processing with zstd ==="
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echo
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# create a 2M image and fill it with 1M likely incompressible data
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# and 1M compressible data
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dd if=/dev/urandom of="$RAND_FILE" bs=1M count=1 seek=1
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QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS_NO_FMT" \
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$QEMU_IO -f raw -c "write -P 0xFA 0 1M" "$RAND_FILE" | _filter_qemu_io
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$QEMU_IMG convert -f raw -O $IMGFMT -c \
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-o "$(_optstr_add "$IMGOPTS" "compression_type=zlib")" "$RAND_FILE" \
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"$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG convert -O $IMGFMT -c \
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-o "$(_optstr_add "$IMGOPTS" "compression_type=zstd")" "$TEST_IMG" \
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"$COMPR_IMG" | _filter_qemu_io
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$QEMU_IMG compare "$TEST_IMG" "$COMPR_IMG"
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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67
tests/qemu-iotests/287.out
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67
tests/qemu-iotests/287.out
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QA output created by 287
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=== Testing compression type incompatible bit setting for zlib ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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incompatible_features []
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=== Testing compression type incompatible bit setting for zstd ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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incompatible_features [3]
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=== Testing zlib with incompatible bit set ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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incompatible_features [3]
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=== Testing zstd with incompatible bit unset ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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incompatible_features []
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=== Testing compression type values ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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0
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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1
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=== Testing simple reading and writing with zstd ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 65536/65536 bytes at offset 65536
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 65536/65536 bytes at offset 65536
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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0001fffe: ac ac 00 00 00 00 00 00 ........
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read 8/8 bytes at offset 131070
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8 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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0000fffe: 00 00 ac ac ac ac ac ac ........
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read 8/8 bytes at offset 65534
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8 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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=== Testing adjacent clusters reading and writing with zstd ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 65536/65536 bytes at offset 65536
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 65536/65536 bytes at offset 131072
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 65536/65536 bytes at offset 65536
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 65536/65536 bytes at offset 131072
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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=== Testing incompressible cluster processing with zstd ===
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1+0 records in
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1+0 records out
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wrote 1048576/1048576 bytes at offset 0
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1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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Images are identical.
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*** done
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@ -295,6 +295,7 @@
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283 auto quick
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284 rw
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286 rw quick
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287 auto quick
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288 quick
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289 rw quick
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290 rw auto quick
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