bvandeusenandClaude Opus 5.5
56063f27a4
The agent sent Docker's working set (usage less inactive_file), which still counts recently used file cache. A file-heavy container with no limit read 191 GB while its processes held 2.2 GB, and the host's own figure, which already leaves cache out, disagreed with it. Agent 1.23.0 sends mem_used_bytes / mem_used_pct (anon + shmem, so Postgres's shared buffers count; v1: rss + shmem) and mem_cache_bytes apart. The new names keep the two meanings apart in history and in learned normals: docker_013 renames the columns, clears the old values and adds mem_cache_bytes. The Docker page, swarm by-node sums, Busiest Containers, container detail, normals and the MCP tools all read the new figure. File cache is shown only on the container's page and in get_container. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
37 lines
1.6 KiB
Python
37 lines
1.6 KiB
Python
"""A container's memory is its processes' own, with file cache beside it
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Renames docker_containers.mem_usage_bytes / mem_pct to mem_used_bytes /
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mem_used_pct and adds mem_cache_bytes (#6030). The old figure was Docker's
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working set (usage less idle file cache), which still counted recently used
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file cache: a container that reads a lot of files showed hundreds of GB it
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didn't need. The new figure is anon + shmem, what the processes hold and
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can't hand back without swap, read by agent 1.23.0. The old values are
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cleared rather than carried under the new names; each container's next
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report from an updated agent fills them.
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Revision ID: docker_013_mem_used
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Revises: docker_012_drop_metrics
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Create Date: 2026-10-18
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"""
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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revision: str = "docker_013_mem_used"
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down_revision: Union[str, None] = "docker_012_drop_metrics"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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op.alter_column("docker_containers", "mem_usage_bytes", new_column_name="mem_used_bytes")
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op.alter_column("docker_containers", "mem_pct", new_column_name="mem_used_pct")
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op.add_column("docker_containers", sa.Column("mem_cache_bytes", sa.BigInteger, nullable=True))
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op.execute("UPDATE docker_containers SET mem_used_bytes = NULL, mem_used_pct = NULL")
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def downgrade() -> None:
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op.drop_column("docker_containers", "mem_cache_bytes")
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op.alter_column("docker_containers", "mem_used_pct", new_column_name="mem_pct")
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op.alter_column("docker_containers", "mem_used_bytes", new_column_name="mem_usage_bytes")
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