---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37065 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: 5599.94 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 8.3G 30G 22% / 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 785 4840 4 2612 7156 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:fd:44:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81188sec preferred_lft 81188sec inet6 fe80::f816:3eff:fefd:449c/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-37065) 07/19/26 _x86_64_ (2 CPU) 00:16:27 LINUX RESTART (2 CPU) 00:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.47 0.03 1.42 0.02 1.25 17.68 441.74 00:40:08 24.42 2.83 19.27 2.32 223.22 3513.77 1040.03 00:50:06 1.26 0.00 1.25 0.01 0.00 17.22 0.84 01:00:01 2.09 0.26 1.80 0.03 32.30 80.63 2.12 01:10:08 1.43 0.00 1.42 0.01 0.00 215.95 1.04 01:20:08 1.45 0.00 1.44 0.01 0.00 277.63 2.35 01:30:01 1.63 0.00 1.61 0.02 0.00 64.77 1.66 01:40:08 1.29 0.00 1.28 0.01 0.00 16.86 0.71 Average: 4.41 0.39 3.71 0.31 32.38 530.65 187.16 00:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6291672 7539108 281644 3.46 30596 1422512 520108 5.66 443140 1183348 152 00:40:08 5073492 7261856 505292 6.21 86348 2261796 715348 7.79 675060 2032824 972 00:50:06 4944664 7133492 633708 7.79 86508 2262176 741384 8.08 701184 2033356 244 01:00:01 4945232 7161484 605500 7.45 86792 2289232 811508 8.84 752580 2051628 372 01:10:08 4938688 7216536 549736 6.76 86924 2350048 836348 9.11 789892 2112568 184 01:20:08 4778620 7136472 628504 7.73 87084 2428792 904352 9.85 857768 2191352 132 01:30:01 4639528 7011092 753352 9.26 87244 2442136 1051676 11.45 947432 2204852 136 01:40:08 4680908 7053032 711672 8.75 87384 2442556 948932 10.34 902560 2205408 248 Average: 5036600 7189134 583676 7.18 79860 2237406 816207 8.89 758702 2001917 305 00:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 1.65 0.10 0.19 0.06 0.00 0.00 0.00 0.00 00:40:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:08 ens3 73.61 53.86 450.61 12.20 0.00 0.00 0.00 0.00 00:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 29.01 25.57 464.56 1.80 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 43.32 39.49 773.87 2.64 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 50.39 47.85 833.87 3.15 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 20.11 19.11 325.70 1.33 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 21.87 20.48 343.79 1.38 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 11.67 10.50 174.12 0.75 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 31.56 27.20 421.43 2.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37065) 07/19/26 _x86_64_ (2 CPU) 00:16:27 LINUX RESTART (2 CPU) 00:20:08 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.30 0.00 0.19 0.01 0.03 99.46 00:30:01 0 0.37 0.00 0.16 0.02 0.03 99.43 00:30:01 1 0.24 0.00 0.22 0.01 0.04 99.49 00:40:08 all 11.98 0.00 1.72 0.52 0.05 85.72 00:40:08 0 10.04 0.00 1.65 0.52 0.05 87.73 00:40:08 1 13.92 0.00 1.79 0.52 0.05 83.71 00:50:06 all 0.57 0.00 0.25 0.01 0.07 99.10 00:50:06 0 0.61 0.00 0.34 0.01 0.09 98.95 00:50:06 1 0.53 0.00 0.17 0.00 0.04 99.25 01:00:01 all 0.91 0.00 0.43 0.02 0.07 98.57 01:00:01 0 0.81 0.00 0.44 0.02 0.08 98.65 01:00:01 1 1.00 0.00 0.43 0.02 0.06 98.50 01:10:08 all 0.92 0.00 0.42 0.01 0.07 98.58 01:10:08 0 1.18 0.00 0.67 0.01 0.10 98.05 01:10:08 1 0.66 0.00 0.18 0.01 0.05 99.10 01:20:08 all 0.71 0.00 0.19 0.01 0.07 99.02 01:20:08 0 0.83 0.00 0.25 0.01 0.10 98.82 01:20:08 1 0.60 0.00 0.12 0.01 0.05 99.22 01:30:01 all 0.68 0.00 0.32 0.01 0.07 98.92 01:30:01 0 0.78 0.00 0.36 0.01 0.07 98.78 01:30:01 1 0.58 0.00 0.27 0.01 0.07 99.07 01:40:08 all 0.50 0.00 0.19 0.03 0.06 99.21 01:40:08 0 0.56 0.00 0.16 0.04 0.05 99.19 01:40:08 1 0.45 0.00 0.22 0.01 0.08 99.24 Average: all 2.09 0.00 0.47 0.08 0.06 97.30 Average: 0 1.91 0.00 0.51 0.08 0.07 97.43 Average: 1 2.27 0.00 0.43 0.08 0.05 97.18