Best practices for improving the overall Remedy performance to optimum level - Documentation for Remedy Action Request System 20.08

Component

Small Environment

Medium Environment

Large Environment

BMC Remedy AR System servers

• Two servers
• 4-CPU core
• 12 GB RAM
  (24 GB RAM for FTS Indexer servers)
  
• 120 GB disk space

• Two servers
• 4-CPU core
• 16 GB RAM
  (32 GB RAM for FTS Indexer servers)
  
• 120 GB disk space

• Two to four servers
• 8-CPU core
• 32 GB RAM
  (64 GB RAM for FTS Indexer servers)
  
• 120 GB disk space

Java settings (arserver.config): 
Java 1.8  (Using CMS GC)

• jvm.minimum.heap.size=6442450944
• jvm.maximum.heap.size=6442450944
  (10737418240 for FTS Indexer servers

• jvm.minimum.heap.size=8589934592
• jvm.maximum.heap.size=8589934592
  (15032385536 for FTS Indexer servers)

• jvm.minimum.heap.size=21474836480
• jvm.maximum.heap.size=21474836480
  (34359738368 for FTS Indexer servers)

Use the following settings on all the three environment sizes:

• XX:+DisableExplicitGC
• XX:MaxMetaspaceSize=512m
• XX:MetaspaceSize=384m
• XX:+UseCompressedOops
• XX:+UseConcMarkSweepGC
• XX:+UseParNewGC
• XX:NewRatio=2

Java settings (arserver.config):
Java 11 or later (Using G1GC)

• jvm.minimum.heap.size=6442450944
• jvm.maximum.heap.size=6442450944
  (10737418240 for FTS Indexer servers)

• jvm.minimum.heap.size=8589934592
• jvm.maximum.heap.size=8589934592
  (15032385536 for FTS Indexer servers)

• jvm.minimum.heap.size=21474836480
• jvm.maximum.heap.size=21474836480
  (34359738368 for FTS Indexer servers)

Use the following settings on all the three environment sizes:

• XX:+DisableExplicitGC
• XX:MaxMetaspaceSize=512m
• XX:MetaspaceSize=384m
• XX:+UseCompressedOops
• XX:+UseG1GC
• XX:+UseStringDeduplication
• XX:G1NewSizePercent=40
• XX:+UnlockExperimentalVMOptions
• XX:MaxGCPauseMillis=200

FTS queue (FTS Indexer servers)

Private-RPC-Socket: 390602   3 3

Private-RPC-Socket: 390602   5 5

Private-RPC-Socket: 390602   7 7

Reconciliation queuePrivate-RPC-Socket:  390698   2 4Private-RPC-Socket:  390698   2 4Private-RPC-Socket:  390698   2 8CMDB RPC Normalization queuePrivate-RPC-Socket:  390699   2 4Private-RPC-Socket:  390699   2 4Private-RPC-Socket:  390699   2 8AR RPC Normalization queuePrivate-RPC-Socket:  390681   2 2Private-RPC-Socket:  390681   2 2Private-RPC-Socket:  390681   2 2List queuePrivate-RPC-Socket:  390635   12 20Private-RPC-Socket:  390635   12  20Private-RPC-Socket:  390635   24  40Fast queuePrivate-RPC-Socket:  390620   8 12Private-RPC-Socket:  390620   8  12*Private-RPC-Socket:  390620   16   24Loop back or private socket queuePrivate-RPC-Socket:  390626   5  5Private-RPC-Socket:  390626   5  7*Private-RPC-Socket:  390626   5  9CMDB-Inline-Normalization: TCMDB-Inline-Normalization: TCMDB-Inline-Normalization: TAlert queuePrivate-RPC-Socket:  390601   1  1Private-RPC-Socket:  390601   1   1Private-RPC-Socket:  390601   1  1Escalation queuePrivate-RPC-Socket:  390603   3  3Private-RPC-Socket:  390603   6   6Private-RPC-Socket:  390603   9  9ApprovalPrivate-RPC-Socket:  390680   2  2Private-RPC-Socket:  390680   3  3Private-RPC-Socket:  390680   4  4Plugin-ARDBC-Threads: 4    12Plugin-ARDBC-Threads: 4    12Plugin-ARDBC-Threads: 4    12Plugin-AREA-Threads: 4    12Plugin-AREA-Threads: 4    12Plugin-AREA-Threads: 4    12Plugin-Filter-API-Threads: 4    12Plugin-Filter-API-Threads: 4    12Plugin-Filter-API-Threads: 4    12