HBASE-21415 Snapshot requests can be done concurrently and the master will simply run them sequentially.
Co-authored-by: Josh Elser <elserj@apache.org> Signed-off-by: Josh Elser <elserj@apache.org>
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@ -1333,9 +1333,10 @@ public interface Admin extends Abortable, Closeable {
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/**
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* Take a snapshot for the given table. If the table is enabled, a FLUSH-type snapshot will be
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* taken. If the table is disabled, an offline snapshot is taken. Snapshots are considered unique
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* based on <b>the name of the snapshot</b>. Attempts to take a snapshot with the same name (even
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* a different type or with different parameters) will fail with a
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* taken. If the table is disabled, an offline snapshot is taken. Snapshots are taken
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* sequentially even when requested concurrently, across all tables. Snapshots are considered
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* unique based on <b>the name of the snapshot</b>. Attempts to take a snapshot with the same
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* name (even a different type or with different parameters) will fail with a
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* {@link org.apache.hadoop.hbase.snapshot.SnapshotCreationException} indicating the duplicate
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* naming. Snapshot names follow the same naming constraints as tables in HBase. See
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* {@link org.apache.hadoop.hbase.TableName#isLegalFullyQualifiedTableName(byte[])}.
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@ -1352,7 +1353,8 @@ public interface Admin extends Abortable, Closeable {
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/**
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* Create typed snapshot of the table. Snapshots are considered unique based on <b>the name of the
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* snapshot</b>. Attempts to take a snapshot with the same name (even a different type or with
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* snapshot</b>. Snapshots are taken sequentially even when requested concurrently, across
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* all tables. Attempts to take a snapshot with the same name (even a different type or with
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* different parameters) will fail with a {@link SnapshotCreationException} indicating the
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* duplicate naming. Snapshot names follow the same naming constraints as tables in HBase. See
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* {@link org.apache.hadoop.hbase.TableName#isLegalFullyQualifiedTableName(byte[])}.
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@ -1370,13 +1372,12 @@ public interface Admin extends Abortable, Closeable {
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}
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/**
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* Take a snapshot and wait for the server to complete that snapshot (blocking). Only a single
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* snapshot should be taken at a time for an instance of HBase, or results may be undefined (you
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* can tell multiple HBase clusters to snapshot at the same time, but only one at a time for a
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* single cluster). Snapshots are considered unique based on <b>the name of the snapshot</b>.
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* Attempts to take a snapshot with the same name (even a different type or with different
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* parameters) will fail with a {@link SnapshotCreationException} indicating the duplicate naming.
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* Snapshot names follow the same naming constraints as tables in HBase. See
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* Take a snapshot and wait for the server to complete that snapshot (blocking). Snapshots are
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* considered unique based on <b>the name of the snapshot</b>. Snapshots are taken sequentially
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* even when requested concurrently, across all tables. Attempts to take a snapshot with the same
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* name (even a different type or with different parameters) will fail with a
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* {@link SnapshotCreationException} indicating the duplicate naming. Snapshot names follow the
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* same naming constraints as tables in HBase. See
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* {@link org.apache.hadoop.hbase.TableName#isLegalFullyQualifiedTableName(byte[])}. You should
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* probably use {@link #snapshot(String, org.apache.hadoop.hbase.TableName)} unless you are sure
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* about the type of snapshot that you want to take.
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@ -1389,8 +1390,9 @@ public interface Admin extends Abortable, Closeable {
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throws IOException, SnapshotCreationException, IllegalArgumentException;
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/**
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* Take a snapshot without waiting for the server to complete that snapshot (asynchronous) Only a
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* single snapshot should be taken at a time, or results may be undefined.
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* Take a snapshot without waiting for the server to complete that snapshot (asynchronous).
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* Snapshots are considered unique based on <b>the name of the snapshot</b>. Snapshots are taken
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* sequentially even when requested concurrently, across all tables.
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*
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* @param snapshot snapshot to take
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* @throws IOException if the snapshot did not succeed or we lose contact with the master.
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@ -746,9 +746,10 @@ public interface AsyncAdmin {
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/**
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* Take a snapshot for the given table. If the table is enabled, a FLUSH-type snapshot will be
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* taken. If the table is disabled, an offline snapshot is taken. Snapshots are considered unique
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* based on <b>the name of the snapshot</b>. Attempts to take a snapshot with the same name (even
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* a different type or with different parameters) will fail with a
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* taken. If the table is disabled, an offline snapshot is taken. Snapshots are taken
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* sequentially even when requested concurrently, across all tables. Snapshots are considered
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* unique based on <b>the name of the snapshot</b>. Attempts to take a snapshot with the same
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* name (even a different type or with different parameters) will fail with a
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* {@link org.apache.hadoop.hbase.snapshot.SnapshotCreationException} indicating the duplicate
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* naming. Snapshot names follow the same naming constraints as tables in HBase. See
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* {@link org.apache.hadoop.hbase.TableName#isLegalFullyQualifiedTableName(byte[])}.
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@ -761,7 +762,8 @@ public interface AsyncAdmin {
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/**
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* Create typed snapshot of the table. Snapshots are considered unique based on <b>the name of the
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* snapshot</b>. Attempts to take a snapshot with the same name (even a different type or with
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* snapshot</b>. Snapshots are taken sequentially even when requested concurrently, across all
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* tables. Attempts to take a snapshot with the same name (even a different type or with
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* different parameters) will fail with a
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* {@link org.apache.hadoop.hbase.snapshot.SnapshotCreationException} indicating the duplicate
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* naming. Snapshot names follow the same naming constraints as tables in HBase. See
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@ -777,10 +779,9 @@ public interface AsyncAdmin {
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}
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/**
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* Take a snapshot and wait for the server to complete that snapshot asynchronously. Only a single
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* snapshot should be taken at a time for an instance of HBase, or results may be undefined (you
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* can tell multiple HBase clusters to snapshot at the same time, but only one at a time for a
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* single cluster). Snapshots are considered unique based on <b>the name of the snapshot</b>.
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* Take a snapshot and wait for the server to complete that snapshot asynchronously. Snapshots
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* are taken sequentially even when requested concurrently, across all tables. Snapshots are
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* considered unique based on <b>the name of the snapshot</b>.
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* Attempts to take a snapshot with the same name (even a different type or with different
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* parameters) will fail with a {@link org.apache.hadoop.hbase.snapshot.SnapshotCreationException}
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* indicating the duplicate naming. Snapshot names follow the same naming constraints as tables in
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