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HDDS-8131. Add Configuration for OM Ratis Log Purge Tuning Parameters. #4371

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Merged
szetszwo merged 2 commits into from
Mar 13, 2023
Merged

HDDS-8131. Add Configuration for OM Ratis Log Purge Tuning Parameters. #4371

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6054426
Add Configuration for OM Ratis Log Purge tuning parameters
ivandika3 Mar 10, 2023
84514b3
Add the configurations to ozone-default.xml
ivandika3 Mar 11, 2023
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18 changes: 17 additions & 1 deletion hadoop-hdds/common/src/main/resources/ozone-default.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -1864,7 +1864,23 @@
its log segments after taking snapshot.
</description>
</property>

<property>
<name>ozone.om.ratis.log.purge.upto.snapshot.index</name>
<value>true</value>
<tag>OZONE, OM, RATIS</tag>
<description>
Enable/disable Raft server to purge its log up to the snapshot index
after taking snapshot.
</description>
</property>
<property>
<name>ozone.om.ratis.log.purge.preservation.log.num</name>
<value>0</value>
<tag>OZONE, OM, RATIS</tag>
<description>
The number of latest Raft logs to not be purged after taking snapshot.
</description>
</property>
<property>
<name>ozone.om.ratis.server.request.timeout</name>
<value>3s</value>
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9 changes: 9 additions & 0 deletions hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/OMConfigKeys.java
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Expand Up @@ -151,6 +151,15 @@ private OMConfigKeys() {
public static final String OZONE_OM_RATIS_LOG_PURGE_GAP =
"ozone.om.ratis.log.purge.gap";
public static final int OZONE_OM_RATIS_LOG_PURGE_GAP_DEFAULT = 1000000;
public static final String OZONE_OM_RATIS_LOG_PURGE_UPTO_SNAPSHOT_INDEX
= "ozone.om.ratis.log.purge.upto.snapshot.index";
public static final boolean
OZONE_OM_RATIS_LOG_PURGE_UPTO_SNAPSHOT_INDEX_DEFAULT = true;
public static final String
OZONE_OM_RATIS_LOG_PURGE_PRESERVATION_LOG_NUM
= "ozone.om.ratis.log.purge.preservation.log.num";
public static final long
OZONE_OM_RATIS_LOG_PURGE_PRESERVATION_LOG_NUM_DEFAULT = 0L;

public static final String OZONE_OM_RATIS_SNAPSHOT_AUTO_TRIGGER_THRESHOLD_KEY
= "ozone.om.ratis.snapshot.auto.trigger.threshold";
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16 changes: 15 additions & 1 deletion ...ozone-manager/src/main/java/org/apache/hadoop/ozone/om/ratis/OzoneManagerRatisServer.java
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Expand Up @@ -602,7 +602,21 @@ private RaftProperties newRaftProperties(ConfigurationSource conf) {
StorageUnit.BYTES);
RaftServerConfigKeys.Log.setSegmentSizeMax(properties,
SizeInBytes.valueOf(raftSegmentSize));
RaftServerConfigKeys.Log.setPurgeUptoSnapshotIndex(properties, true);

// Set to enable RAFT to purge logs up to Snapshot Index
RaftServerConfigKeys.Log.setPurgeUptoSnapshotIndex(properties,
conf.getBoolean(
OMConfigKeys.OZONE_OM_RATIS_LOG_PURGE_UPTO_SNAPSHOT_INDEX,
OMConfigKeys.OZONE_OM_RATIS_LOG_PURGE_UPTO_SNAPSHOT_INDEX_DEFAULT
)
);
// Set number of last RAFT logs to not be purged
RaftServerConfigKeys.Log.setPurgePreservationLogNum(properties,
conf.getLong(
OMConfigKeys.OZONE_OM_RATIS_LOG_PURGE_PRESERVATION_LOG_NUM,
OMConfigKeys.OZONE_OM_RATIS_LOG_PURGE_PRESERVATION_LOG_NUM_DEFAULT
)
);

// Set RAFT segment pre-allocated size
final long raftSegmentPreallocatedSize = (long) conf.getStorageSize(
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