batch 写入任务，be.WARNING 中报错，写入失败：

Metrics: {"filtered_rows":0,"input_row_num":541877,"input_rowsets_data_size":65972318,"input_segments_num":9,"merge_rowsets_latency_us":5403918,"merged_rows":0,"output_row_num":541877,"output_rowset_data_size":65988259,"output_segments_num":1}
W0609 17:43:00.419967 15076 delta_writer.cpp:108] failed to init delta writer. version count: 501, exceed limit: 500. tablet: 6926564.1080450005.e04308242cce586f-9acbeb7719792984
W0609 17:43:00.420531 15076 tablets_channel.cpp:117] tablet writer write failed, tablet_id=6926564, txn_id=8368874, err=-215
W0609 17:43:00.420612 15076 internal_service.cpp:107] tablet writer add batch failed, message=tablet writer write failed, tablet_id=6926564, txn_id=8368874, err=-215, id=59a5a10520974fec-a79ef6889f20eb48, index_id=2221008, sender_id=0
W0609 17:43:00.420706 15112 tablet_sink.cpp:168] NodeChannel[2221008-10002] add batch req success but status isn't ok, load_id=59a5a10520974fec-a79ef6889f20eb48, txn_id=8368874, node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926564, txn_id=8368874, err=-215
W0609 17:43:00.420981 14971 tablet_sink.cpp:733] NodeChannel[2221008-10002]: close channel failed, load_id=59a5a10520974fec-a79ef6889f20eb48, txn_id=8368874. error_msg=close wait failed coz rpc error. node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926564, txn_id=8368874, err=-215
W0609 17:43:00.424229 14971 fragment_mgr.cpp:230] Got error while opening fragment 59a5a10520974fec-a79ef6889f20eb49: Internal error: close wait failed coz rpc error. node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926564, txn_id=8368874, err=-215
W0609 17:43:00.466902 15070 delta_writer.cpp:108] failed to init delta writer. version count: 501, exceed limit: 500. tablet: 6926568.1080450005.6c473812399fa060-bfa79a3e2f5b2b8a
W0609 17:43:00.467530 15070 tablets_channel.cpp:117] tablet writer write failed, tablet_id=6926568, txn_id=8368875, err=-215
W0609 17:43:00.467576 15070 internal_service.cpp:107] tablet writer add batch failed, message=tablet writer write failed, tablet_id=6926568, txn_id=8368875, err=-215, id=13fd118a374f42cf-a43dda1a15d1b8a7, index_id=2221008, sender_id=0
W0609 17:43:00.467701 15112 tablet_sink.cpp:168] NodeChannel[2221008-10002] add batch req success but status isn't ok, load_id=13fd118a374f42cf-a43dda1a15d1b8a7, txn_id=8368875, node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926568, txn_id=8368875, err=-215
W0609 17:43:00.467734 14983 tablet_sink.cpp:733] NodeChannel[2221008-10002]: close channel failed, load_id=13fd118a374f42cf-a43dda1a15d1b8a7, txn_id=8368875. error_msg=close wait failed coz rpc error. node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926568, txn_id=8368875, err=-215
W0609 17:43:00.469902 14983 fragment_mgr.cpp:230] Got error while opening fragment 13fd118a374f42cf-a43dda1a15d1b8a8: Internal error: close wait failed coz rpc error. node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926568, txn_id=8368875, err=-215
W0609 17:43:00.517117 15079 delta_writer.cpp:108] failed to init delta writer. version count: 501, exceed limit: 500. tablet: 6926560.1080450005.dc4d3ea16d438ee2-791b135aff8cbbbb
W0609 17:43:00.517521 15079 tablets_channel.cpp:117] tablet writer write failed, tablet_id=6926560, txn_id=8368876, err=-215
W0609 17:43:00.524581 15079 internal_service.cpp:107] tablet writer add batch failed, message=tablet writer write failed, tablet_id=6926560, txn_id=8368876, err=-215, id=c39bc3a1bd6c4d48-ac475959b60cffe0, index_id=2221008, sender_id=0
W0609 17:43:00.524724 15112 tablet_sink.cpp:168] NodeChannel[2221008-10002] add batch req success but status isn't ok, load_id=c39bc3a1bd6c4d48-ac475959b60cffe0, txn_id=8368876, node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926560, txn_id=8368876, err=-215
W0609 17:43:00.525014 14983 tablet_sink.cpp:733] NodeChannel[2221008-10002]: close channel failed, load_id=c39bc3a1bd6c4d48-ac475959b60cffe0, txn_id=8368876. error_msg=close wait failed coz rpc error. node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926560, txn_id=8368876, err=-215
W0609 17:43:00.526051 14983 fragment_mgr.cpp:230] Got error while opening fragment c39bc3a1bd6c4d48-ac475959b60cffe1: Internal error: close wait failed coz rpc error. node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926560, txn_id=8368876, err=-215
W0609 17:43:00.592499 15081 delta_writer.cpp:108] failed to init delta writer. version count: 501, exceed limit: 500. tablet: 6926566.1080450005.d14c16fe892e89fd-55487e7300bdb2ae
W0609 17:43:00.593528 15081 tablets_channel.cpp:117] tablet writer write failed, tablet_id=6926566, txn_id=8368877, err=-215
W0609 17:43:00.593632 15081 internal_service.cpp:107] tablet writer add batch failed, message=tablet writer write failed, tablet_id=6926566, txn_id=8368877, err=-215, id=3a6cd4ebbe4b4c30-9fb94b7beb161f07, index_id=2221008, sender_id=0
W0609 17:43:00.602706 15088 tablet_sink.cpp:168] NodeChannel[2221008-10002] add batch req success but status isn't ok, load_id=3a6cd4ebbe4b4c30-9fb94b7beb161f07, txn_id=8368877, node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926566, txn_id=8368877, err=-215
W0609 17:43:00.603267 14983 tablet_sink.cpp:733] NodeChannel[2221008-10002]: close channel failed, load_id=3a6cd4ebbe4b4c30-9fb94b7beb161f07, txn_id=8368877. error_msg=close wait failed coz rpc error
W0609 17:43:00.616199 14983 fragment_mgr.cpp:230] Got error while opening fragment 3a6cd4ebbe4b4c30-9fb94b7beb161f08: Internal error: close wait failed coz rpc error
W0609 17:43:00.631206 15084 delta_writer.cpp:108] failed to init delta writer. version count: 501, exceed limit: 500. tablet: 6926566.1080450005.d14c16fe892e89fd-55487e7300bdb2ae
W0609 17:43:00.633522 15084 tablets_channel.cpp:117] tablet writer write failed, tablet_id=6926566, txn_id=8368878, err=-215
W0609 17:43:00.636541 15084 internal_service.cpp:107] tablet writer add batch failed, message=tablet writer write failed, tablet_id=6926566, txn_id=8368878, err=-215, id=1bf69d6eff634453-bc51c137ae3a64c9, index_id=2221008, sender_id=0
W0609 17:43:00.643676 15095 tablet_sink.cpp:168] NodeChannel[2221008-10002] add batch req success but status isn't ok, load_id=1bf69d6eff634453-bc51c137ae3a64c9, txn_id=8368878, node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926566, txn_id=8368878, err=-215
W0609 17:43:00.643764 14971 tablet_sink.cpp:733] NodeChannel[2221008-10002]: close channel failed, load_id=1bf69d6eff634453-bc51c137ae3a64c9, txn_id=8368878. error_msg=close wait failed coz rpc error. node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926566, txn_id=8368878, err=-215
W0609 17:43:00.644737 14971 fragment_mgr.cpp:230] Got error while opening fragment 1bf69d6eff634453-bc51c137ae3a64ca: Internal error: close wait failed coz rpc error. node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926566, txn_id=8368878, err=-215
W0609 17:43:00.656769 15073 delta_writer.cpp:108] failed to init delta writer. version count: 501, exceed limit: 500. tablet: 6926564.1080450005.e04308242cce586f-9acbeb7719792984
W0609 17:43:00.656863 15073 tablets_channel.cpp:117] tablet writer write failed, tablet_id=6926564, txn_id=8368879, err=-215
W0609 17:43:00.656883 15073 internal_service.cpp:107] tablet writer add batch failed, message=tablet writer write failed, tablet_id=6926564, txn_id=8368879, err=-215, id=a6e3efe1e9434fc9-91f7fbbc5564e058, index_id=2221008, sender_id=0
W0609 17:43:00.656997 15095 tablet_sink.cpp:168] NodeChannel[2221008-10002] add batch req success but status isn't ok, load_id=a6e3efe1e9434fc9-91f7fbbc5564e058, txn_id=8368879, node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926564, txn_id=8368879, err=-215
W0609 17:43:00.657970 14959 tablet_sink.cpp:733] NodeChannel[2221008-10002]: close channel failed, load_id=a6e3efe1e9434fc9-91f7fbbc5564e058, txn_id=8368879. error_msg=close wait failed coz rpc error. node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926564, txn_id=8368879, err=-215
W0609 17:43:00.675604 14959 fragment_mgr.cpp:230] Got error while opening fragment a6e3efe1e9434fc9-91f7fbbc5564e059: Internal error: close wait failed coz rpc error. node=172.16.66.121:8060, errmsg=tablet writer write failed, tablet_id=6926564, txn_id=8368879, err=-215