diff --git a/Cargo.lock b/Cargo.lock
index 71685e5c6ed..346c9c1dd6c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -444,7 +444,7 @@ dependencies = [
 
 [[package]]
 name = "arrow_util"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "ahash 0.8.12",
  "arrow",
@@ -541,7 +541,7 @@ checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
 
 [[package]]
 name = "authz"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "assert_matches",
  "async-trait",
@@ -655,7 +655,7 @@ dependencies = [
 
 [[package]]
 name = "backoff"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "rand 0.9.4",
  "snafu 0.9.0",
@@ -1078,7 +1078,7 @@ checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
 
 [[package]]
 name = "catalog_cache"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "bytes",
  "criterion 0.8.2",
@@ -1222,14 +1222,14 @@ checksum = "c8d4a3bb8b1e0c1050499d1815f5ab16d04f0959b233085fb31653fbfc9d98f9"
 
 [[package]]
 name = "cli_types"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "tokio",
 ]
 
 [[package]]
 name = "client_util"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "http 1.4.0",
  "iox_http_util",
@@ -1832,7 +1832,7 @@ dependencies = [
 
 [[package]]
 name = "data_types"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "arrow-buffer",
@@ -2566,7 +2566,7 @@ dependencies = [
 
 [[package]]
 name = "datafusion_util"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "assert_matches",
  "async-trait",
@@ -2661,7 +2661,7 @@ dependencies = [
 
 [[package]]
 name = "dml"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow_util",
  "data_types",
@@ -2773,7 +2773,7 @@ dependencies = [
 
 [[package]]
 name = "error_reporting"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "datafusion",
  "snafu 0.9.0",
@@ -2803,7 +2803,7 @@ dependencies = [
 
 [[package]]
 name = "executor"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "futures",
  "metric",
@@ -2884,7 +2884,7 @@ dependencies = [
 
 [[package]]
 name = "flightsql"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "arrow-flight",
@@ -3091,7 +3091,7 @@ dependencies = [
 
 [[package]]
 name = "futures_test_utils"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "clap",
  "futures",
@@ -3102,7 +3102,7 @@ dependencies = [
 
 [[package]]
 name = "generated_types"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "bytes",
  "pbjson",
@@ -3756,7 +3756,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb2_client"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "bytes",
  "futures",
@@ -3775,7 +3775,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "anyhow",
  "arrow",
@@ -3867,7 +3867,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_authz"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "async-trait",
  "authz",
@@ -3885,7 +3885,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_cache"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "anyhow",
  "arrow",
@@ -3920,7 +3920,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_catalog"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "ahash 0.8.12",
  "anyhow",
@@ -3977,7 +3977,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_clap_blocks"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "async-trait",
  "bytes",
@@ -4014,7 +4014,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_client"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "bytes",
  "flate2",
@@ -4035,7 +4035,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_commands"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "anyhow",
  "chrono",
@@ -4062,7 +4062,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_id"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "criterion 0.5.1",
  "indexmap 2.14.0",
@@ -4074,7 +4074,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_internal_api"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -4095,7 +4095,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_load_generator"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "anyhow",
  "bytes",
@@ -4125,7 +4125,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_process"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "iox_time",
  "uuid",
@@ -4133,7 +4133,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_processing_engine"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -4177,7 +4177,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_py_api"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "anyhow",
  "arrow-array",
@@ -4205,7 +4205,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_query_executor"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "anyhow",
  "arrow",
@@ -4256,7 +4256,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_server"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "anyhow",
  "arrow",
@@ -4343,7 +4343,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_shutdown"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "futures",
  "futures-util",
@@ -4358,14 +4358,14 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_startup"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "chrono",
 ]
 
 [[package]]
 name = "influxdb3_sys_events"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "arrow-array",
@@ -4384,7 +4384,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_system_tables"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "arrow-array",
@@ -4416,7 +4416,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_telemetry"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "futures",
  "futures-util",
@@ -4437,7 +4437,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_test_helpers"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "async-trait",
  "bytes",
@@ -4450,7 +4450,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_types"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "anyhow",
  "chrono",
@@ -4470,7 +4470,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_wal"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "async-trait",
  "bitcode",
@@ -4499,7 +4499,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb3_write"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "anyhow",
  "arrow",
@@ -4569,7 +4569,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb_influxql_parser"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "assert_matches",
  "chrono",
@@ -4586,7 +4586,7 @@ dependencies = [
 
 [[package]]
 name = "influxdb_iox_client"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "arrow-flight",
@@ -4615,7 +4615,7 @@ dependencies = [
 
 [[package]]
 name = "ingester_query_grpc"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "base64 0.22.1",
  "data_types",
@@ -4681,7 +4681,7 @@ checksum = "06432fb54d3be7964ecd3649233cddf80db2832f47fec34c01f65b3d9d774983"
 
 [[package]]
 name = "iox_http"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "assert_matches",
  "async-trait",
@@ -4701,7 +4701,7 @@ dependencies = [
 
 [[package]]
 name = "iox_http_util"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "futures",
  "http 1.4.0",
@@ -4712,7 +4712,7 @@ dependencies = [
 
 [[package]]
 name = "iox_query"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "arrow_util",
@@ -4761,7 +4761,7 @@ dependencies = [
 
 [[package]]
 name = "iox_query_influxql"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "assert_matches",
@@ -4788,7 +4788,7 @@ dependencies = [
 
 [[package]]
 name = "iox_query_influxql_rewrite"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "influxdb_influxql_parser",
  "thiserror 2.0.18",
@@ -4796,7 +4796,7 @@ dependencies = [
 
 [[package]]
 name = "iox_query_params"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "assert_matches",
@@ -4810,7 +4810,7 @@ dependencies = [
 
 [[package]]
 name = "iox_query_udf"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "datafusion-udf-wasm-host",
  "datafusion-udf-wasm-query",
@@ -4821,7 +4821,7 @@ dependencies = [
 
 [[package]]
 name = "iox_system_tables"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "async-trait",
@@ -4831,7 +4831,7 @@ dependencies = [
 
 [[package]]
 name = "iox_time"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "chrono",
  "parking_lot",
@@ -4840,7 +4840,7 @@ dependencies = [
 
 [[package]]
 name = "iox_v1_query_api"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "anyhow",
  "arrow",
@@ -4954,7 +4954,7 @@ checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
 
 [[package]]
 name = "jemalloc_pprof_http"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "http-body-util",
  "hyper 1.9.0",
@@ -4967,7 +4967,7 @@ dependencies = [
 
 [[package]]
 name = "jemalloc_stats"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "futures",
  "snafu 0.9.0",
@@ -5160,7 +5160,7 @@ dependencies = [
 
 [[package]]
 name = "linear_buffer"
-version = "3.10.4"
+version = "3.10.5"
 
 [[package]]
 name = "linux-raw-sys"
@@ -5204,7 +5204,7 @@ checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
 
 [[package]]
 name = "logfmt"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "humantime",
  "parking_lot",
@@ -5303,14 +5303,14 @@ dependencies = [
 
 [[package]]
 name = "metric"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "parking_lot",
 ]
 
 [[package]]
 name = "metric_exporters"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "metric",
  "mockito",
@@ -5435,7 +5435,7 @@ checksum = "9252111cf132ba0929b6f8e030cac2a24b507f3a4d6db6fb2896f27b354c714b"
 
 [[package]]
 name = "mutable_batch"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "arrow_util",
@@ -5453,7 +5453,7 @@ dependencies = [
 
 [[package]]
 name = "mutable_batch_lp"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow_util",
  "assert_matches",
@@ -5469,7 +5469,7 @@ dependencies = [
 
 [[package]]
 name = "mutable_batch_pb"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow_util",
  "criterion 0.8.2",
@@ -5707,7 +5707,7 @@ dependencies = [
 
 [[package]]
 name = "object_store_limit"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "async-trait",
  "bytes",
@@ -5719,7 +5719,7 @@ dependencies = [
 
 [[package]]
 name = "object_store_mem_cache"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "async-trait",
  "bincode",
@@ -5747,7 +5747,7 @@ dependencies = [
 
 [[package]]
 name = "object_store_metrics"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "async-trait",
  "bloom2",
@@ -5772,7 +5772,7 @@ dependencies = [
 
 [[package]]
 name = "object_store_mock"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "async-trait",
  "bytes",
@@ -5786,7 +5786,7 @@ dependencies = [
 
 [[package]]
 name = "object_store_size_hinting"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "chrono",
  "http 1.4.0",
@@ -5796,7 +5796,7 @@ dependencies = [
 
 [[package]]
 name = "object_store_utils"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "async-trait",
  "backon",
@@ -5810,7 +5810,7 @@ dependencies = [
 
 [[package]]
 name = "observability_deps"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "tracing",
 ]
@@ -5875,7 +5875,7 @@ dependencies = [
 
 [[package]]
 name = "panic_logging"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "metric",
  "test_helpers",
@@ -5950,7 +5950,7 @@ dependencies = [
 
 [[package]]
 name = "parquet_file"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "arrow_util",
@@ -5981,7 +5981,7 @@ dependencies = [
 
 [[package]]
 name = "partition"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "assert_matches",
@@ -6278,7 +6278,7 @@ dependencies = [
 
 [[package]]
 name = "predicate"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "async-trait",
@@ -6622,7 +6622,7 @@ dependencies = [
 
 [[package]]
 name = "query_functions"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "chrono",
@@ -7332,7 +7332,7 @@ dependencies = [
 
 [[package]]
 name = "schema"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "base64 0.22.1",
@@ -7515,7 +7515,7 @@ dependencies = [
 
 [[package]]
 name = "service_common"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "arrow-flight",
@@ -7529,7 +7529,7 @@ dependencies = [
 
 [[package]]
 name = "service_grpc_flight"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow",
  "arrow-flight",
@@ -7605,7 +7605,7 @@ dependencies = [
 
 [[package]]
 name = "sharder"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "criterion 0.8.2",
  "data_types",
@@ -8127,7 +8127,7 @@ dependencies = [
 
 [[package]]
 name = "table_batch"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "arrow_util",
  "bitvec",
@@ -8223,7 +8223,7 @@ dependencies = [
 
 [[package]]
 name = "test_helpers"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "async-trait",
  "dotenvy",
@@ -8242,7 +8242,7 @@ dependencies = [
 
 [[package]]
 name = "test_helpers_authz"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "futures",
  "generated_types",
@@ -8515,7 +8515,7 @@ dependencies = [
 
 [[package]]
 name = "tokio_metrics_bridge"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "metric",
  "parking_lot",
@@ -8524,7 +8524,7 @@ dependencies = [
 
 [[package]]
 name = "tokio_watchdog"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "metric",
  "test_helpers",
@@ -8747,7 +8747,7 @@ checksum = "8df9b6e13f2d32c91b9bd719c00d1958837bc7dec474d94952798cc8e69eeec3"
 
 [[package]]
 name = "tower_trailer"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "futures",
  "http 1.4.0",
@@ -8759,7 +8759,7 @@ dependencies = [
 
 [[package]]
 name = "trace"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "chrono",
  "parking_lot",
@@ -8769,7 +8769,7 @@ dependencies = [
 
 [[package]]
 name = "trace_exporters"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "async-trait",
  "chrono",
@@ -8786,7 +8786,7 @@ dependencies = [
 
 [[package]]
 name = "trace_http"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "bytes",
  "futures",
@@ -8881,7 +8881,7 @@ dependencies = [
 
 [[package]]
 name = "tracker"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "futures",
  "hashbrown 0.14.5",
@@ -8901,7 +8901,7 @@ dependencies = [
 
 [[package]]
 name = "trogging"
-version = "3.10.4"
+version = "3.10.5"
 dependencies = [
  "clap",
  "logfmt",
diff --git a/Cargo.toml b/Cargo.toml
index 30c40e47851..396e30743e0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -127,7 +127,7 @@ exclude = [
 #
 # For porting to the actual OSS repo (influxdb), this would need to change to `-nightly`, i.e., by
 # stripping the `-oss`.
-version = "3.10.4"
+version = "3.10.5"
 authors = ["InfluxData OSS Developers"]
 edition = "2024"
 license = "MIT OR Apache-2.0"
diff --git a/influxdb3_write/src/paths.rs b/influxdb3_write/src/paths.rs
index 05648f02818..eaba8e5c0bf 100644
--- a/influxdb3_write/src/paths.rs
+++ b/influxdb3_write/src/paths.rs
@@ -50,10 +50,46 @@ impl ParquetFilePath {
         table_id: u32,
         chunk_time: i64,
         wal_file_sequence_number: WalFileSequenceNumber,
+    ) -> Self {
+        Self::new_with_chunk_ordinal(
+            host_prefix,
+            db_id,
+            table_id,
+            chunk_time,
+            wal_file_sequence_number,
+            0,
+        )
+    }
+
+    /// Like [`Self::new`], but for the `chunk_ordinal`-th buffer chunk persisted for the same
+    /// `(table, chunk_time)` in one snapshot.
+    ///
+    /// A gen1 chunk splits into multiple buffer chunks when a string/tag column would exceed
+    /// the Arrow varchar limit (~2 GiB, see `table_buffer::var_col_max_bytes`). Each split
+    /// chunk must persist to a distinct object path: with a shared path, the persist jobs
+    /// race, the last PUT silently overwrites the others, and the snapshot records every
+    /// job's size for one object — leaving stale size records that fail reads with
+    /// "Invalid Parquet file. Corrupt footer".
+    ///
+    /// Ordinal 0 produces the historical filename exactly, so single-chunk persists (the
+    /// overwhelmingly common case) and all files written before this change are unaffected.
+    /// Ordinal n >= 1 appends `-{n}` before the extension.
+    pub fn new_with_chunk_ordinal(
+        host_prefix: &str,
+        db_id: u32,
+        table_id: u32,
+        chunk_time: i64,
+        wal_file_sequence_number: WalFileSequenceNumber,
+        chunk_ordinal: u32,
     ) -> Self {
         let date_time = DateTime::<Utc>::from_timestamp_nanos(chunk_time);
+        let ordinal_suffix = if chunk_ordinal == 0 {
+            String::new()
+        } else {
+            format!("-{chunk_ordinal}")
+        };
         let path = ObjPath::from(format!(
-            "{host_prefix}/dbs/{db_id}/{table_id}/{date_string}/{wal_seq:010}.{ext}",
+            "{host_prefix}/dbs/{db_id}/{table_id}/{date_string}/{wal_seq:010}{ordinal_suffix}.{ext}",
             date_string = date_time.format("%Y-%m-%d/%H-%M"),
             wal_seq = wal_file_sequence_number.as_u64(),
             ext = PARQUET_FILE_EXTENSION
@@ -545,6 +581,41 @@ fn parquet_file_path_new() {
     );
 }
 
+#[test]
+fn parquet_file_path_with_chunk_ordinal() {
+    let ts = Utc
+        .with_ymd_and_hms(2038, 1, 19, 3, 14, 7)
+        .unwrap()
+        .timestamp_nanos_opt()
+        .unwrap();
+    // Ordinal 0 must produce the historical filename exactly — files written before
+    // this change and the common single-chunk case keep their names.
+    assert_eq!(
+        ParquetFilePath::new_with_chunk_ordinal(
+            "my_host",
+            0,
+            0,
+            ts,
+            WalFileSequenceNumber::new(1337),
+            0
+        ),
+        ParquetFilePath::new("my_host", 0, 0, ts, WalFileSequenceNumber::new(1337)),
+    );
+    // Ordinal n >= 1 appends "-{n}" before the extension, keeping the wal sequence
+    // number as the sortable filename prefix.
+    assert_eq!(
+        *ParquetFilePath::new_with_chunk_ordinal(
+            "my_host",
+            0,
+            0,
+            ts,
+            WalFileSequenceNumber::new(1337),
+            2
+        ),
+        ObjPath::from("my_host/dbs/0/0/2038-01-19/03-14/0000001337-2.parquet")
+    );
+}
+
 #[test]
 fn parquet_file_percent_encoded() {
     assert_eq!(
diff --git a/influxdb3_write/src/write_buffer/queryable_buffer.rs b/influxdb3_write/src/write_buffer/queryable_buffer.rs
index 6ed07c17a98..2c18d940c31 100644
--- a/influxdb3_write/src/write_buffer/queryable_buffer.rs
+++ b/influxdb3_write/src/write_buffer/queryable_buffer.rs
@@ -200,7 +200,17 @@ impl QueryableBuffer {
                     let snapshot_chunks =
                         table_buffer.snapshot(table_def, snapshot_details.end_time_marker);
 
+                    // A chunk_time can yield multiple buffer chunks when a string/tag
+                    // column crossed the Arrow varchar limit and the chunk split
+                    // (table_buffer::buffer_chunk). Each chunk needs a distinct path:
+                    // with a shared path the persist jobs race, the last PUT wins the
+                    // object, and every job's size is recorded — stale records that
+                    // fail reads with "Corrupt footer".
+                    let mut chunk_ordinals: HashMap<i64, u32> = HashMap::new();
                     for chunk in snapshot_chunks {
+                        let ordinal_ref = chunk_ordinals.entry(chunk.chunk_time).or_insert(0);
+                        let chunk_ordinal = *ordinal_ref;
+                        *ordinal_ref += 1;
                         let table_name =
                             db_schema.table_id_to_name(table_id).expect("table exists");
                         let persist_job = PersistJob {
@@ -208,12 +218,13 @@ impl QueryableBuffer {
                             table_id: *table_id,
                             table_name: Arc::clone(&table_name),
                             chunk_time: chunk.chunk_time,
-                            path: ParquetFilePath::new(
+                            path: ParquetFilePath::new_with_chunk_ordinal(
                                 self.persister.node_identifier_prefix(),
                                 database_id.get(),
                                 table_id.get(),
                                 chunk.chunk_time,
                                 snapshot_details.last_wal_sequence_number,
+                                chunk_ordinal,
                             ),
                             batch: chunk.record_batch,
                             schema: chunk.schema,
diff --git a/influxdb3_write/src/write_buffer/queryable_buffer/tests.rs b/influxdb3_write/src/write_buffer/queryable_buffer/tests.rs
index 08b4ef7c4bb..aee4374496e 100644
--- a/influxdb3_write/src/write_buffer/queryable_buffer/tests.rs
+++ b/influxdb3_write/src/write_buffer/queryable_buffer/tests.rs
@@ -336,3 +336,155 @@ async fn snapshot_skips_deleted_table() {
         "Soft deleted table should not have persisted files"
     );
 }
+
+#[tokio::test]
+async fn split_chunks_persist_to_distinct_paths() {
+    // EAR6985 regression: when a chunk_time splits into multiple buffer chunks (a
+    // string/tag column crossing the Arrow varchar limit), each chunk must persist to
+    // its own parquet path. With a shared path the concurrent persist jobs overwrite
+    // one object while every job's size is recorded, leaving stale size records that
+    // fail reads with "Invalid Parquet file. Corrupt footer".
+    use crate::write_buffer::table_buffer::VarColMaxGuard;
+
+    // 50-byte strings with a 99-byte limit: the second write forces a second chunk
+    // for the same chunk_time.
+    let _guard = VarColMaxGuard::new(99);
+
+    let object_store: Arc<dyn ObjectStore> = Arc::new(InMemory::new());
+    let metrics = Arc::new(metric::Registry::default());
+    let parquet_store =
+        ParquetStorage::new(Arc::clone(&object_store), StorageId::from("influxdb3"));
+    let exec = Arc::new(Executor::new_with_config_and_executor(
+        ExecutorConfig {
+            target_query_partitions: NonZeroUsize::new(1).unwrap(),
+            object_stores: [&parquet_store]
+                .into_iter()
+                .map(|store| (store.id(), Arc::clone(store.object_store())))
+                .collect(),
+            metric_registry: Arc::clone(&metrics),
+            mem_pool_size: 1024 * 1024 * 1024,
+            per_query_mem_pool_config: PerQueryMemoryPoolConfig::Disabled,
+            heap_memory_limit: None,
+        },
+        DedicatedExecutor::new_testing(),
+    ));
+    let runtime_env = exec.new_context().inner().runtime_env();
+    register_iox_object_store(runtime_env, parquet_store.id(), Arc::clone(&object_store));
+    register_current_runtime_for_io();
+
+    let time_provider = Arc::new(MockProvider::new(Time::from_timestamp_nanos(0)));
+    let catalog = Arc::new(
+        Catalog::new(
+            "hosta",
+            Arc::clone(&object_store),
+            Arc::clone(&time_provider) as _,
+            Default::default(),
+        )
+        .await
+        .unwrap(),
+    );
+    let persister = Arc::new(Persister::new(
+        Arc::clone(&object_store),
+        "hosta",
+        Arc::clone(&time_provider) as _,
+        None,
+    ));
+    let time_provider: Arc<dyn TimeProvider> = time_provider;
+
+    let queryable_buffer = QueryableBuffer::new(QueryableBufferArgs {
+        executor: Arc::clone(&exec),
+        catalog: Arc::clone(&catalog),
+        persister: Arc::clone(&persister),
+        last_cache_provider: LastCacheProvider::new_from_catalog(Arc::clone(&catalog))
+            .await
+            .unwrap(),
+        distinct_cache_provider: DistinctCacheProvider::new_from_catalog(
+            Arc::clone(&time_provider),
+            Arc::clone(&catalog),
+        )
+        .await
+        .unwrap(),
+        persisted_files: Arc::new(PersistedFiles::new(None)),
+        parquet_cache: None,
+        parquet_snapshot_concurrency_limit: NonZeroUsize::new(10).unwrap(),
+    });
+
+    let db = DatabaseName::new("testdb").unwrap();
+
+    // Two writes into the SAME gen1 block, each with a 50-byte string: the second
+    // buffer_chunk call crosses the 99-byte limit and starts a second chunk for the
+    // same chunk_time. Two ops => two buffer_chunk calls.
+    let mut ops = vec![];
+    for (tag, ts) in [("a", 1_i64), ("b", 2_i64)] {
+        let lp = format!("foo,t1={tag} f1=\"{}\" {ts}", "x".repeat(50));
+        let val = WriteValidator::initialize(db.clone(), Arc::clone(&catalog)).unwrap();
+        let lines = val
+            .v1_parse_lines_and_catalog_updates(
+                &lp,
+                false,
+                time_provider.now(),
+                Precision::Nanosecond,
+            )
+            .unwrap()
+            .commit_catalog_changes()
+            .await
+            .unwrap()
+            .unwrap_success()
+            .convert_lines_to_buffer(Gen1Duration::new_1m());
+        let batch: WriteBatch = lines.into();
+        ops.push(WalOp::Write(batch));
+    }
+    let wal_contents = WalContents {
+        persist_timestamp_ms: 0,
+        min_timestamp_ns: 1,
+        max_timestamp_ns: 2,
+        wal_file_number: WalFileSequenceNumber::new(1),
+        ops,
+        snapshot: None,
+    };
+    let end_time =
+        wal_contents.max_timestamp_ns + Gen1Duration::new_1m().as_duration().as_nanos() as i64;
+
+    let snapshot_details = SnapshotDetails {
+        snapshot_sequence_number: SnapshotSequenceNumber::new(1),
+        end_time_marker: end_time,
+        first_wal_sequence_number: WalFileSequenceNumber::new(1),
+        last_wal_sequence_number: WalFileSequenceNumber::new(1),
+        forced: false,
+    };
+    let details = queryable_buffer
+        .notify_and_snapshot(Arc::new(wal_contents), snapshot_details)
+        .await;
+    let _details = details.await.unwrap();
+
+    let db_schema = catalog.db_schema("testdb").unwrap();
+    let table = db_schema.table_definition("foo").unwrap();
+    let files = queryable_buffer
+        .persisted_files
+        .get_files(db_schema.id, table.table_id);
+
+    // Both split chunks must be persisted...
+    assert_eq!(
+        files.len(),
+        2,
+        "expected two persisted files, got {files:?}"
+    );
+    // ...at DISTINCT paths...
+    assert_ne!(
+        files[0].path, files[1].path,
+        "split chunks persisted to the same parquet path"
+    );
+    // ...and every record's size must match the object it points at (the invariant
+    // the shared path violated).
+    for f in &files {
+        let head = object_store
+            .head(&object_store::path::Path::from(f.path.as_str()))
+            .await
+            .expect("persisted object exists");
+        assert_eq!(
+            head.size as u64, f.size_bytes,
+            "recorded size differs from object size for {}",
+            f.path
+        );
+    }
+}
diff --git a/influxdb3_write/src/write_buffer/table_buffer.rs b/influxdb3_write/src/write_buffer/table_buffer.rs
index a99b3ea8d2a..8708a12edef 100644
--- a/influxdb3_write/src/write_buffer/table_buffer.rs
+++ b/influxdb3_write/src/write_buffer/table_buffer.rs
@@ -259,11 +259,11 @@ fn var_col_max_bytes() -> usize {
 
 #[cfg(test)]
 #[derive(Debug)]
-struct VarColMaxGuard(usize);
+pub(crate) struct VarColMaxGuard(usize);
 
 #[cfg(test)]
 impl VarColMaxGuard {
-    fn new(cap: usize) -> Self {
+    pub(crate) fn new(cap: usize) -> Self {
         let prev = TEST_VAR_COL_MAX_BYTES.with(|c| {
             let prev = c.get();
             c.set(cap);