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Fix two issues that blocks training loop with continuous checkpoint enabled. #3099

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Merged
copybara-service merged 1 commit into from
Feb 6, 2026
Merged

Fix two issues that blocks training loop with continuous checkpoint enabled. #3099

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8 changes: 8 additions & 0 deletions src/maxtext/common/checkpointing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
from typing import Any, Optional

from absl import flags
import datetime
from etils import epath
from flax.training import train_state
import jax
Expand Down Expand Up @@ -248,6 +249,11 @@ def create_orbax_checkpoint_manager(
else:
save_decision_policy = save_decision_policy_lib.FixedIntervalPolicy(interval=save_interval_steps)
preservation_policy = preservation_policy_lib.LatestN(max_num_checkpoints_to_keep)
async_options = None
if enable_continuous_checkpointing:
async_options = ocp.AsyncOptions(
timeout_secs=int(datetime.timedelta(minutes=60).total_seconds()),
)
manager = CheckpointManager(
p,
item_names=item_names,
Expand All @@ -257,6 +263,7 @@ def create_orbax_checkpoint_manager(
enable_async_checkpointing=use_async,
save_decision_policy=save_decision_policy,
preservation_policy=preservation_policy,
async_options=async_options,
),
logger=orbax_logger,
)
Expand Down Expand Up @@ -728,6 +735,7 @@ def save_checkpoint(checkpoint_manager, step, state, config=None, data_iterator=
if config and config.enable_checkpointing:
if (
force
or (step % config.checkpoint_period == 0 and not config.enable_continuous_checkpointing)
or (step % config.checkpoint_period == 0)
or (config.enable_emergency_checkpoint and step % config.local_checkpoint_period == 0)
):
Expand Down
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