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wal heartbeat: allow overriding query with env variable #1725

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merged 1 commit into from
May 27, 2024
Merged

wal heartbeat: allow overriding query with env variable #1725

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8 changes: 1 addition & 7 deletions flow/activities/flowable.go
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Original file line number Diff line number Diff line change
Expand Up @@ -512,13 +512,7 @@ func (a *FlowableActivity) SendWALHeartbeat(ctx context.Context) error {
return err
}

command := `
BEGIN;
DROP AGGREGATE IF EXISTS PEERDB_EPHEMERAL_HEARTBEAT(float4);
CREATE AGGREGATE PEERDB_EPHEMERAL_HEARTBEAT(float4) (SFUNC = float4pl, STYPE = float4);
DROP AGGREGATE PEERDB_EPHEMERAL_HEARTBEAT(float4);
END;
`
command := peerdbenv.PeerDBWALHeartbeatQuery()
// run above command for each Postgres peer
for _, pgPeer := range pgPeers {
activity.RecordHeartbeat(ctx, pgPeer.Name)
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9 changes: 9 additions & 0 deletions flow/peerdbenv/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,15 @@ func PeerDBEnableWALHeartbeat() bool {
return getEnvBool("PEERDB_ENABLE_WAL_HEARTBEAT", false)
}

// PEERDB_WAL_HEARTBEAT_QUERY
func PeerDBWALHeartbeatQuery() string {
return GetEnvString("PEERDB_WAL_HEARTBEAT_QUERY", `BEGIN;
DROP AGGREGATE IF EXISTS PEERDB_EPHEMERAL_HEARTBEAT(float4);
CREATE AGGREGATE PEERDB_EPHEMERAL_HEARTBEAT(float4) (SFUNC = float4pl, STYPE = float4);
DROP AGGREGATE PEERDB_EPHEMERAL_HEARTBEAT(float4);
END;`)
}

// PEERDB_ENABLE_PARALLEL_SYNC_NORMALIZE
func PeerDBEnableParallelSyncNormalize() bool {
return getEnvBool("PEERDB_ENABLE_PARALLEL_SYNC_NORMALIZE", false)
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