---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10950 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 7.9G 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 755 5290 4 2184 7186 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:63:0b:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.170/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81530sec preferred_lft 81530sec inet6 fe80::f816:3eff:fe63:b85/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10950) 05/05/26 _x86_64_ (2 CPU) 00:42:15 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 1.60 0.01 1.56 0.03 1.10 18.90 866.38 01:10:05 1.35 0.00 1.33 0.02 0.00 15.37 1.20 01:20:01 1.47 0.00 1.46 0.01 0.01 17.57 219.56 01:30:05 1.39 0.00 1.37 0.02 0.00 17.28 865.77 01:40:02 1.60 0.40 1.20 0.00 15.91 46.13 0.00 01:50:01 22.09 2.62 17.26 2.20 212.71 3125.69 575.32 02:00:05 1.50 0.00 1.48 0.02 0.00 23.95 0.36 Average: 4.42 0.43 3.66 0.33 32.72 465.15 362.13 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6253424 7526096 293736 3.61 30896 1447324 529404 5.77 454932 1200476 176 01:10:05 6253424 7526636 293192 3.61 31104 1447652 529384 5.77 455196 1201012 188 01:20:01 6264292 7538056 281712 3.46 31320 1447980 529584 5.77 455636 1201556 124 01:30:05 6255484 7529796 289952 3.57 31520 1448312 530240 5.78 455048 1202088 196 01:40:02 6215036 7504536 314860 3.87 31824 1463120 546416 5.95 484300 1215544 280 01:50:01 5257732 7375172 396160 4.87 84872 2196756 638072 6.95 598604 1958200 240 02:00:05 5227008 7346472 424808 5.22 85008 2198652 660976 7.20 613668 1960224 268 Average: 5960914 7478109 327774 4.03 46649 1664257 566297 6.17 502483 1419871 210 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.69 0.08 0.09 0.03 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.51 0.05 3.48 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 0.63 0.08 1.22 0.06 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 7.89 4.73 20.01 3.07 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 57.57 39.65 295.84 8.79 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 12.95 11.70 106.53 1.08 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 11.48 8.04 60.99 1.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10950) 05/05/26 _x86_64_ (2 CPU) 00:42:15 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.29 0.00 0.17 0.01 0.03 99.50 01:00:05 0 0.39 0.00 0.16 0.00 0.03 99.42 01:00:05 1 0.19 0.00 0.18 0.01 0.03 99.58 01:10:05 all 0.27 0.00 0.07 0.01 0.03 99.62 01:10:05 0 0.06 0.00 0.09 0.00 0.04 99.81 01:10:05 1 0.48 0.00 0.05 0.02 0.03 99.42 01:20:01 all 0.30 0.00 0.09 0.02 0.02 99.56 01:20:01 0 0.10 0.00 0.12 0.03 0.03 99.73 01:20:01 1 0.51 0.00 0.07 0.01 0.02 99.40 01:30:05 all 0.34 0.00 0.18 0.01 0.02 99.45 01:30:05 0 0.19 0.00 0.19 0.01 0.02 99.58 01:30:05 1 0.48 0.00 0.18 0.00 0.02 99.32 01:40:02 all 0.49 0.00 0.11 0.02 0.02 99.37 01:40:02 0 0.66 0.00 0.09 0.01 0.01 99.24 01:40:02 1 0.33 0.00 0.13 0.02 0.02 99.51 01:50:01 all 12.08 0.00 1.83 0.57 0.06 85.47 01:50:01 0 12.12 0.00 1.74 0.42 0.06 85.67 01:50:01 1 12.04 0.00 1.92 0.72 0.06 85.27 02:00:05 all 0.94 0.00 0.32 0.01 0.04 98.69 02:00:05 0 0.73 0.00 0.29 0.01 0.03 98.94 02:00:05 1 1.15 0.00 0.36 0.01 0.04 98.44 Average: all 2.09 0.00 0.40 0.09 0.03 97.39 Average: 0 2.03 0.00 0.38 0.07 0.03 97.49 Average: 1 2.16 0.00 0.41 0.11 0.03 97.29