com.sleepycat.db
Class ReplicationStats

java.lang.Object
  com.sleepycat.db.ReplicationStats

public class ReplicationStats
extends Object

Replication statistics for a database environment.

Field Summary

static int	REP_CLIENT The environment is configured as a replication client, as reported by getStatus().
static int	REP_MASTER The environment is configured as a replication master, as reported by getStatus().
static int	REP_NONE Replication is not configured for this environment, as reported by getStatus().

Method Summary

long	getBulkFills() The number of times the bulk buffer filled up, forcing the buffer content to be sent.
long	getBulkOverflows() The number of times a record was bigger than the entire bulk buffer, and therefore had to be sent as a singleton.
long	getBulkRecords() The number of records added to a bulk buffer.
long	getBulkTransfers() The number of bulk buffers transferred (via a call to the application's ReplicationTransport function).
long	getClientRerequests() The number of times this client site received a "re-request" message, indicating that a request it previously sent to another client could not be serviced by that client.
long	getClientSvcMiss() The number of "request" type messages received by this client that could not be processed, forcing the originating requester to try sending the request to the master (or another client).
long	getClientSvcReq() The number of "request" type messages received by this client.
int	getDupmasters() The number of duplicate master conditions originally detected at this site.
int	getEgen() The election generation number for the current or next election.
long	getElectionCurWinner() The environment ID of the winner of the current or last election.
int	getElectionDatagen() The master data generation number of the winner of the current or last election.
int	getElectionGen() The master generation number of the winner of the current or last election.
LogSequenceNumber	getElectionLsn() The maximum LSN of the winner of the current or last election.
int	getElectionNumSites() The number of sites responding to this site during the current election.
int	getElectionNumVotes() The number of votes required in the current or last election.
int	getElectionPriority() The priority of the winner of the current or last election.
long	getElections() The number of elections held.
int	getElectionSec() The number of seconds the last election took (the total election time is this value plus getElectionUsec()).
int	getElectionStatus() The current election phase (0 if no election is in progress).
long	getElectionsWon() The number of elections won.
int	getElectionTiebreaker() The tiebreaker value of the winner of the current or last election.
int	getElectionUsec() The number of microseconds the last election took (the total election time is this value plus getElectionSec()).
int	getElectionVotes() The number of votes received during the current election.
long	getEnvId() The current environment ID.
int	getEnvPriority() The current environment priority.
int	getGen() The current master generation number.
long	getLeaseChk() The number of lease validity checks.
long	getLeaseChkMisses() The number of invalid lease validity checks.
long	getLeaseChkRefresh() The number of lease refresh attempts during lease validity checks.
long	getLeaseSends() The number of live messages sent while using leases.
long	getLogDuplicated() The number of duplicate log records received.
long	getLogQueued() The number of log records currently queued.
long	getLogQueuedMax() The maximum number of log records ever queued at once.
long	getLogQueuedTotal() The total number of log records queued.
long	getLogRecords() The number of log records received and appended to the log.
long	getLogRequested() The number of times log records were missed and requested.
long	getMaster() The current master environment ID.
long	getMasterChanges() The number of times the master has changed.
int	getMaxLeaseSec() The number of seconds of the longest lease (the total lease time is this value plus getMaxLeaseUsec()).
int	getMaxLeaseUsec() The number of microseconds of the longest lease (the total lease time is this value plus getMaxLeaseSec()).
LogSequenceNumber	getMaxPermLsn() The LSN of the maximum permanent log record, or 0 if there are no permanent log records.
long	getMsgsBadgen() The number of messages received with a bad generation number.
long	getMsgsProcessed() The number of messages received and processed.
long	getMsgsRecover() The number of messages ignored due to pending recovery.
long	getMsgsSendFailures() The number of failed message sends.
long	getMsgsSent() The number of messages sent.
long	getNewsites() The number of new site messages received.
LogSequenceNumber	getNextLsn() In replication environments configured as masters, the next LSN to be used.
int	getNextPages() The next page number we expect to receive.
int	getNumSites() The number of sites used in the last election.
long	getNumThrottles() Transmission limited.
long	getOutdated() The number of outdated conditions detected.
long	getPagesDuplicated() The number of duplicate pages received.
long	getPagesRecords() The number of pages received and stored.
long	getPagesRequested() The number of pages missed and requested from the master.
long	getStartSyncDelayed() The number of times the client had to delay the start of a cache flush operation (initiated by the master for an impending checkpoint) because it was missing some previous log record(s).
boolean	getStartupComplete() The client site has completed its startup procedures and is now handling live records from the master.
int	getStatus() The current replication mode.
long	getTxnsApplied() The number of transactions applied.
LogSequenceNumber	getWaitingLsn() The LSN of the first log record we have after missing log records being waited for, or 0 if no log records are currently missing.
int	getWaitingPages() The page number of the first page we have after missing pages being waited for, or 0 if no pages are currently missing.
String	toString() For convenience, the ReplicationStats class has a toString method that lists all the data fields.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

REP_CLIENT

public static final int REP_CLIENT

The environment is configured as a replication client, as reported by getStatus().

See Also:

Constant Field Values

REP_MASTER

public static final int REP_MASTER

The environment is configured as a replication master, as reported by getStatus().

See Also:

Constant Field Values

REP_NONE

public static final int REP_NONE

Replication is not configured for this environment, as reported by getStatus().

See Also:

Constant Field Values

Method Detail

getStartupComplete

public boolean getStartupComplete()

The client site has completed its startup procedures and is now handling live records from the master.

getLogQueued

public long getLogQueued()

The number of log records currently queued.

getStatus

public int getStatus()

The current replication mode. Set to one of REP_MASTER, REP_CLIENT or REP_NONE.

getNextLsn

public LogSequenceNumber getNextLsn()

In replication environments configured as masters, the next LSN to be used. In replication environments configured as clients, the next LSN expected.

getWaitingLsn

public LogSequenceNumber getWaitingLsn()

The LSN of the first log record we have after missing log records being waited for, or 0 if no log records are currently missing.

getMaxPermLsn

public LogSequenceNumber getMaxPermLsn()

The LSN of the maximum permanent log record, or 0 if there are no permanent log records.

getNextPages

public int getNextPages()

The next page number we expect to receive.

getWaitingPages

public int getWaitingPages()

The page number of the first page we have after missing pages being waited for, or 0 if no pages are currently missing.

getDupmasters

public int getDupmasters()

The number of duplicate master conditions originally detected at this site.

getEnvId

public long getEnvId()

The current environment ID.

getEnvPriority

public int getEnvPriority()

The current environment priority.

getBulkFills

public long getBulkFills()

The number of times the bulk buffer filled up, forcing the buffer content to be sent.

getBulkOverflows

public long getBulkOverflows()

The number of times a record was bigger than the entire bulk buffer, and therefore had to be sent as a singleton.

getBulkRecords

public long getBulkRecords()

The number of records added to a bulk buffer.

getBulkTransfers

public long getBulkTransfers()

The number of bulk buffers transferred (via a call to the application's ReplicationTransport function).

getClientRerequests

public long getClientRerequests()

The number of times this client site received a "re-request" message, indicating that a request it previously sent to another client could not be serviced by that client. (Compare to getClientSvcMiss().)

getClientSvcReq

public long getClientSvcReq()

The number of "request" type messages received by this client. ("Request" messages are usually sent from a client to the master, but a message passed with the anywhere parameter set to true in the invocation of the application's ReplicationTransport.send() function may be sent to another client instead.)

getClientSvcMiss

public long getClientSvcMiss()

The number of "request" type messages received by this client that could not be processed, forcing the originating requester to try sending the request to the master (or another client).

getGen

public int getGen()

The current master generation number.

getEgen

public int getEgen()

The election generation number for the current or next election.

getLeaseChk

public long getLeaseChk()

The number of lease validity checks.

getLeaseChkMisses

public long getLeaseChkMisses()

The number of invalid lease validity checks.

getLeaseChkRefresh

public long getLeaseChkRefresh()

The number of lease refresh attempts during lease validity checks.

getLeaseSends

public long getLeaseSends()

The number of live messages sent while using leases.

getLogDuplicated

public long getLogDuplicated()

The number of duplicate log records received.

getLogQueuedMax

public long getLogQueuedMax()

The maximum number of log records ever queued at once.

getLogQueuedTotal

public long getLogQueuedTotal()

The total number of log records queued.

getLogRecords

public long getLogRecords()

The number of log records received and appended to the log.

getLogRequested

public long getLogRequested()

The number of times log records were missed and requested.

getMaster

public long getMaster()

The current master environment ID.

getMasterChanges

public long getMasterChanges()

The number of times the master has changed.

getMsgsBadgen

public long getMsgsBadgen()

The number of messages received with a bad generation number.

getMsgsProcessed

public long getMsgsProcessed()

The number of messages received and processed.

getMsgsRecover

public long getMsgsRecover()

The number of messages ignored due to pending recovery.

getMsgsSendFailures

public long getMsgsSendFailures()

The number of failed message sends.

getMsgsSent

public long getMsgsSent()

The number of messages sent.

getNewsites

public long getNewsites()

The number of new site messages received.

getNumSites

public int getNumSites()

The number of sites used in the last election.

getNumThrottles

public long getNumThrottles()

Transmission limited. This indicates the number of times that data transmission was stopped to limit the amount of data sent in response to a single call to Environment.processReplicationMessage.

getOutdated

public long getOutdated()

The number of outdated conditions detected.

getPagesDuplicated

public long getPagesDuplicated()

The number of duplicate pages received.

getPagesRecords

public long getPagesRecords()

The number of pages received and stored.

getPagesRequested

public long getPagesRequested()

The number of pages missed and requested from the master.

getTxnsApplied

public long getTxnsApplied()

The number of transactions applied.

getStartSyncDelayed

public long getStartSyncDelayed()

The number of times the client had to delay the start of a cache flush operation (initiated by the master for an impending checkpoint) because it was missing some previous log record(s).

getElections

public long getElections()

The number of elections held.

getElectionsWon

public long getElectionsWon()

The number of elections won.

getElectionCurWinner

public long getElectionCurWinner()

The environment ID of the winner of the current or last election.

getElectionGen

public int getElectionGen()

The master generation number of the winner of the current or last election.

getElectionDatagen

public int getElectionDatagen()

The master data generation number of the winner of the current or last election.

getElectionLsn

public LogSequenceNumber getElectionLsn()

The maximum LSN of the winner of the current or last election.

getElectionNumSites

public int getElectionNumSites()

The number of sites responding to this site during the current election.

getElectionNumVotes

public int getElectionNumVotes()

The number of votes required in the current or last election.

getElectionPriority

public int getElectionPriority()

The priority of the winner of the current or last election.

getElectionStatus

public int getElectionStatus()

The current election phase (0 if no election is in progress).

getElectionTiebreaker

public int getElectionTiebreaker()

The tiebreaker value of the winner of the current or last election.

getElectionVotes

public int getElectionVotes()

The number of votes received during the current election.

getElectionSec

public int getElectionSec()

The number of seconds the last election took (the total election time is this value plus getElectionUsec()).

getElectionUsec

public int getElectionUsec()

The number of microseconds the last election took (the total election time is this value plus getElectionSec()).

getMaxLeaseSec

public int getMaxLeaseSec()

The number of seconds of the longest lease (the total lease time is this value plus getMaxLeaseUsec()).

getMaxLeaseUsec

public int getMaxLeaseUsec()

The number of microseconds of the longest lease (the total lease time is this value plus getMaxLeaseSec()).

toString

public String toString()

For convenience, the ReplicationStats class has a toString method that lists all the data fields.

Overrides:

toString in class Object