---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1168 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 8.3G 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 764 4802 4 2676 7176 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:df:a9:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 48177sec preferred_lft 48177sec inet6 fe80::f816:3eff:fedf:a9f1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1168) 04/09/26 _x86_64_ (2 CPU) 00:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.69 0.02 1.66 0.02 0.84 19.97 446.50 00:20:09 1.79 0.11 1.66 0.03 3.01 23.55 1078.45 00:30:19 1.68 0.00 1.66 0.02 0.00 18.74 850.64 00:40:01 23.28 3.13 17.85 2.30 233.45 3223.23 544.94 00:50:19 1.60 0.00 1.58 0.01 0.00 19.84 1.05 01:00:09 1.80 0.00 1.76 0.04 0.00 21.51 1.45 01:10:01 1.67 0.00 1.63 0.04 0.00 401.12 3.46 01:20:19 1.59 0.00 1.56 0.02 0.00 240.66 2.95 01:30:19 1.75 0.00 1.71 0.03 0.00 21.31 3.60 Average: 4.02 0.35 3.40 0.27 25.57 432.56 325.81 00:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6122088 7524052 284700 3.50 53916 1543920 593648 6.47 477400 1312420 280 00:20:09 6137004 7500736 307932 3.79 54048 1505492 590888 6.44 475960 1273776 232 00:30:19 6132536 7496712 311916 3.84 54152 1505820 590888 6.44 475968 1274212 264 00:40:01 5110532 7300964 460060 5.66 103280 2242408 755220 8.23 665924 2014812 1068 00:50:19 4950464 7141352 619792 7.62 103388 2242840 907172 9.88 817056 2015352 260 01:00:09 4977332 7168828 592164 7.28 103496 2243340 899948 9.80 792520 2015960 320 01:10:01 4837504 7144220 615532 7.57 103648 2357336 954836 10.40 848792 2130108 316 01:20:19 4649856 7027060 731548 9.00 103772 2426728 1057204 11.52 951208 2199624 268 01:30:19 4651664 7029612 728948 8.96 103900 2427332 1044400 11.38 938052 2200228 220 Average: 5285442 7259282 516955 6.36 87067 2055024 821578 8.95 715876 1826277 359 00:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.19 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:09 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:09 ens3 0.12 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:19 ens3 0.50 0.15 0.17 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 70.33 52.34 483.27 13.09 0.00 0.00 0.00 0.00 00:50:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:19 ens3 30.52 26.96 448.10 1.89 0.00 0.00 0.00 0.00 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 75.22 72.06 1208.49 4.74 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 34.43 32.14 534.25 2.16 0.00 0.00 0.00 0.00 01:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:19 ens3 25.44 24.24 397.87 1.65 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 16.41 15.82 254.83 1.09 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 27.89 24.68 367.86 2.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1168) 04/09/26 _x86_64_ (2 CPU) 00:00:19 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.22 0.00 0.10 0.01 0.02 99.64 00:10:01 0 0.05 0.00 0.11 0.00 0.03 99.81 00:10:01 1 0.40 0.00 0.09 0.02 0.02 99.47 00:20:09 all 0.62 0.00 0.21 0.02 0.02 99.13 00:20:09 0 0.77 0.00 0.23 0.02 0.01 98.97 00:20:09 1 0.48 0.00 0.19 0.01 0.03 99.28 00:30:19 all 0.24 0.00 0.16 0.01 0.02 99.57 00:30:19 0 0.18 0.00 0.17 0.00 0.02 99.62 00:30:19 1 0.29 0.00 0.14 0.02 0.02 99.53 00:40:01 all 11.13 0.00 1.73 0.54 0.04 86.55 00:40:01 0 13.31 0.00 1.82 0.68 0.05 84.14 00:40:01 1 8.95 0.00 1.63 0.41 0.04 88.96 00:50:19 all 0.57 0.00 0.25 0.01 0.05 99.12 00:50:19 0 0.65 0.00 0.43 0.00 0.07 98.84 00:50:19 1 0.49 0.00 0.08 0.02 0.03 99.39 01:00:09 all 1.03 0.00 0.59 0.01 0.05 98.31 01:00:09 0 0.55 0.00 0.21 0.02 0.04 99.19 01:00:09 1 1.51 0.00 0.98 0.01 0.07 97.43 01:10:01 all 0.82 0.00 0.28 0.04 0.06 98.81 01:10:01 0 0.84 0.00 0.25 0.03 0.06 98.82 01:10:01 1 0.80 0.00 0.30 0.04 0.06 98.80 01:20:19 all 0.70 0.00 0.21 0.03 0.06 99.01 01:20:19 0 0.85 0.00 0.24 0.02 0.05 98.83 01:20:19 1 0.54 0.00 0.17 0.03 0.06 99.20 01:30:19 all 0.52 0.00 0.32 0.01 0.05 99.10 01:30:19 0 0.60 0.00 0.31 0.02 0.04 99.04 01:30:19 1 0.44 0.00 0.32 0.01 0.06 99.17 Average: all 1.73 0.00 0.42 0.07 0.04 97.74 Average: 0 1.94 0.00 0.41 0.09 0.04 97.52 Average: 1 1.51 0.00 0.43 0.06 0.04 97.95