Extension:extensionĪ backend process is waiting for a condition defined by an extension or module. Client:WalSenderWriteDataĪ process is waiting for any activity when processing replies from the write-ahead log (WAL)Ī backend process is active in or is waiting for CPU. Client:WalSenderWaitForWALĪ process is waiting for the write-ahead log (WAL) to be flushed in the WAL sender process. Client:WalReceiverWaitStartĪ process is waiting for startup process to send initial data for streaming replication. Client:LibPQWalReceiverConnectĪ process is waiting in the write-ahead log (WAL) receiver to establish connection to remoteĪ process is waiting in the write-ahead log (WAL) receiver to receive data from remoteĪ process is waiting for Secure Sockets Layer (SSL) while attempting connection. For more information, seeĬlient:ClientWrite. For more information, seeĪ backend process is waiting to send more data to a PostgreSQL client. Client:ClientReadĪ backend process is waiting to receive data from a PostgreSQL client. Client:GSSOpenServerĪ process is waiting to read data from the client while establishing a Generic Security ServiceĪpplication Program Interface (GSSAPI) session. BufferPin:BufferPinĪ process is waiting to acquire an exclusive pin on a buffer. The write-ahead log (WAL) writer process is waiting for activity. The write-ahead log (WAL) sender process is waiting for activity. The write-ahead log (WAL) receiver process is waiting for activity. The syslogger process is waiting for activity. The startup process is waiting for the write-ahead log (WAL) to arrive during streaming Activity:RecoveryWalAllĪ process is waiting for the write-ahead log (WAL) from a stream at recovery. The statistics collector process is waiting for activity. The logical replication launcher process is waiting for activity. The logical replication apply process is waiting for activity. The checkpointer process is waiting for activity. The background writer process is waiting for activity. The background writer process is hibernating while waiting for activity. The autovacuum launcher process is waiting for activity. The archiver process is waiting for activity.
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