---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66653 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 8.0G 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 809 5146 4 2274 7132 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:2a:bf:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80013sec preferred_lft 80013sec inet6 fe80::f816:3eff:fe2a:bfcf/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-66653) 04/05/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.22 0.02 1.20 0.00 1.24 14.69 0.12 02:20:19 1.77 0.31 1.43 0.02 37.92 69.65 1.01 02:30:01 1.42 0.01 1.38 0.03 1.09 17.34 674.78 02:40:01 1.20 0.00 1.20 0.00 0.00 14.32 0.00 02:50:19 1.23 0.00 1.23 0.00 0.00 14.76 0.01 03:00:02 1.39 0.00 1.38 0.01 0.00 17.11 673.18 03:10:01 13.80 0.00 1.23 12.56 0.15 15.13 109285.47 03:20:19 21.92 2.92 16.83 2.16 220.89 3047.52 675.60 03:30:01 1.87 0.01 1.84 0.03 0.50 66.74 0.59 03:40:01 1.44 0.00 1.44 0.00 0.35 87.73 0.21 Average: 4.79 0.34 2.96 1.49 27.01 345.92 11112.47 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6295164 7541464 278968 3.43 30552 1421436 529568 5.77 444444 1183060 152 02:20:19 6239676 7514720 305120 3.75 30936 1449424 735708 8.01 461620 1200368 136 02:30:01 6251780 7527660 292188 3.59 31140 1450032 529704 5.77 455992 1200868 128 02:40:01 6258864 7535224 284616 3.50 31292 1450360 529800 5.77 456136 1201340 248 02:50:19 6258108 7535012 284828 3.50 31460 1450724 530948 5.78 457260 1201880 132 03:00:02 6251320 7528816 291008 3.58 31616 1451144 531076 5.78 457844 1202328 264 03:10:01 6266724 7544768 275076 3.38 31792 1451512 531076 5.78 457924 1202836 272 03:20:19 5327688 7436120 335580 4.13 85112 2187416 590300 6.43 578940 1946504 132 03:30:01 5253676 7374384 397100 4.88 85312 2199556 740496 8.07 637364 1958848 272 03:40:01 5234240 7377300 394348 4.85 85464 2221772 679980 7.41 635232 1981092 1448 Average: 5963724 7491547 313883 3.86 47468 1673338 592866 6.46 504276 1427912 318 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.76 0.04 0.18 0.01 0.00 0.00 0.00 0.00 02:20:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 0.79 0.22 2.99 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.63 0.03 0.07 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.43 0.07 0.11 0.05 0.00 0.00 0.00 0.00 02:50:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:19 ens3 0.23 0.02 0.04 0.01 0.00 0.00 0.00 0.00 03:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:02 ens3 0.40 0.17 0.11 0.49 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.25 0.03 0.05 0.01 0.00 0.00 0.00 0.00 03:20:19 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:20:19 ens3 57.88 40.98 288.58 10.46 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 39.97 32.41 8.53 4.20 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 43.38 41.99 9.70 6.02 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.63 11.62 31.92 2.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66653) 04/05/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.28 0.00 0.09 0.01 0.03 99.60 02:10:01 0 0.21 0.00 0.09 0.01 0.03 99.66 02:10:01 1 0.34 0.00 0.09 0.02 0.02 99.53 02:20:19 all 0.38 0.00 0.12 0.05 0.02 99.43 02:20:19 0 0.29 0.00 0.11 0.01 0.02 99.56 02:20:19 1 0.46 0.00 0.12 0.08 0.02 99.31 02:30:01 all 0.27 0.00 0.18 0.91 0.02 98.63 02:30:01 0 0.32 0.00 0.18 0.14 0.02 99.34 02:30:01 1 0.22 0.00 0.18 1.67 0.02 97.91 02:40:01 all 0.23 0.00 0.08 0.35 0.05 99.29 02:40:01 0 0.16 0.00 0.09 0.09 0.02 99.64 02:40:01 1 0.31 0.00 0.07 0.60 0.08 98.94 02:50:19 all 0.28 0.00 0.08 0.05 0.02 99.57 02:50:19 0 0.11 0.00 0.09 0.10 0.02 99.68 02:50:19 1 0.45 0.00 0.07 0.00 0.01 99.46 03:00:02 all 0.30 0.00 0.18 0.07 0.02 99.44 03:00:02 0 0.31 0.00 0.16 0.06 0.02 99.45 03:00:02 1 0.29 0.00 0.20 0.07 0.02 99.42 03:10:01 all 0.25 0.00 0.08 0.05 0.02 99.60 03:10:01 0 0.06 0.00 0.12 0.07 0.02 99.73 03:10:01 1 0.43 0.00 0.05 0.04 0.02 99.46 03:20:19 all 10.46 0.00 1.61 1.20 0.04 86.69 03:20:19 0 9.74 0.00 1.59 1.22 0.04 87.41 03:20:19 1 11.18 0.00 1.63 1.18 0.04 85.96 03:30:01 all 5.81 0.00 0.59 0.07 0.06 93.46 03:30:01 0 6.77 0.00 0.61 0.10 0.06 92.46 03:30:01 1 4.87 0.00 0.58 0.04 0.06 94.46 03:40:01 all 7.82 0.00 0.52 0.04 0.07 91.56 03:40:01 0 8.94 0.00 0.54 0.03 0.07 90.43 03:40:01 1 6.71 0.00 0.50 0.05 0.07 92.68 Average: all 2.62 0.00 0.36 0.28 0.03 96.71 Average: 0 2.69 0.00 0.36 0.19 0.03 96.73 Average: 1 2.54 0.00 0.35 0.37 0.04 96.70