---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34109 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 740 5221 4 2271 7201 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:ed:76:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80979sec preferred_lft 80979sec inet6 fe80::f816:3eff:feed:7623/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34109) 07/09/26 _x86_64_ (2 CPU) 00:37:42 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.44 0.03 1.42 0.00 1.24 17.00 0.12 01:00:02 2.19 0.26 1.89 0.04 31.99 80.33 652.40 01:10:02 1.32 0.00 1.31 0.01 0.00 15.48 0.97 01:20:01 1.33 0.00 1.33 0.00 0.01 15.90 0.00 01:30:02 1.56 0.00 1.54 0.02 0.00 19.18 651.96 01:40:02 1.27 0.00 1.27 0.00 0.00 15.63 0.00 01:50:01 36.79 3.02 17.98 15.79 231.00 3486.65 107380.38 02:00:02 1.39 0.00 1.37 0.02 0.00 18.72 0.23 Average: 5.91 0.41 3.51 1.98 32.99 457.93 13564.22 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6278160 7524476 295828 3.64 30564 1421436 529336 5.77 445372 1183232 156 01:00:02 6250780 7524688 295132 3.63 30980 1448224 529336 5.77 454660 1201360 184 01:10:02 6257920 7532368 287464 3.53 31184 1448556 529360 5.77 454792 1201892 224 01:20:01 6265256 7540196 279660 3.44 31340 1448888 529596 5.77 455104 1202376 212 01:30:02 6269844 7545304 274540 3.38 31516 1449212 529680 5.77 455216 1202884 200 01:40:02 6276928 7553020 266820 3.28 31684 1449668 531436 5.79 456780 1203380 252 01:50:01 5212608 7419780 347140 4.27 87616 2279652 623556 6.79 586236 2043380 164 02:00:02 5200080 7407776 359108 4.42 87772 2280036 623556 6.79 586384 2043912 264 Average: 6001447 7505951 300712 3.70 45332 1653209 553232 6.03 486818 1410302 207 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.48 0.11 0.18 0.06 0.00 0.00 0.00 0.00 01:00:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 1.02 0.46 3.24 0.06 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.77 0.07 8.35 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.39 0.08 0.10 0.06 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.36 0.13 0.07 0.54 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.48 0.13 0.19 0.10 0.00 0.00 0.00 0.00 01:50:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 66.52 45.26 321.53 11.22 0.00 0.00 0.00 0.00 02:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 1.76 0.33 0.21 0.06 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.08 5.81 41.67 1.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34109) 07/09/26 _x86_64_ (2 CPU) 00:37:42 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.29 0.00 0.10 0.01 0.02 99.58 00:50:01 0 0.14 0.00 0.10 0.01 0.02 99.73 00:50:01 1 0.45 0.00 0.10 0.01 0.02 99.43 01:00:02 all 0.44 0.00 0.21 0.02 0.03 99.30 01:00:02 0 0.34 0.00 0.24 0.03 0.03 99.35 01:00:02 1 0.54 0.00 0.18 0.01 0.02 99.25 01:10:02 all 0.33 0.00 0.08 0.01 0.03 99.56 01:10:02 0 0.18 0.00 0.10 0.00 0.03 99.69 01:10:02 1 0.47 0.00 0.06 0.01 0.02 99.43 01:20:01 all 0.25 0.00 0.08 0.01 0.02 99.64 01:20:01 0 0.06 0.00 0.09 0.01 0.02 99.82 01:20:01 1 0.45 0.00 0.07 0.00 0.02 99.46 01:30:02 all 0.30 0.00 0.17 0.01 0.03 99.50 01:30:02 0 0.44 0.00 0.15 0.01 0.02 99.37 01:30:02 1 0.15 0.00 0.19 0.00 0.03 99.63 01:40:02 all 0.25 0.00 0.07 0.01 0.02 99.65 01:40:02 0 0.07 0.00 0.09 0.01 0.03 99.80 01:40:02 1 0.43 0.00 0.06 0.00 0.02 99.49 01:50:01 all 12.02 0.00 1.74 0.49 0.07 85.68 01:50:01 0 13.47 0.00 1.90 0.45 0.06 84.11 01:50:01 1 10.57 0.00 1.58 0.53 0.07 87.25 02:00:02 all 0.43 0.00 0.22 0.01 0.05 99.29 02:00:02 0 0.41 0.00 0.24 0.01 0.06 99.29 02:00:02 1 0.45 0.00 0.21 0.01 0.04 99.30 Average: all 1.78 0.00 0.33 0.07 0.03 97.78 Average: 0 1.88 0.00 0.36 0.07 0.03 97.65 Average: 1 1.68 0.00 0.30 0.07 0.03 97.91