---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2379 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 753 5218 4 2258 7188 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:62:ed:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79357sec preferred_lft 79357sec inet6 fe80::f816:3eff:fe62:ed80/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2379) 04/13/26 _x86_64_ (2 CPU) 00:41:45 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 2.03 0.33 1.67 0.04 40.12 75.32 871.55 01:10:00 13.71 0.00 1.15 12.56 0.15 14.04 109134.23 01:20:00 1.12 0.00 1.11 0.01 0.01 13.63 0.36 01:30:00 1.54 0.00 1.52 0.02 0.00 19.48 0.25 01:40:00 1.70 0.36 1.34 0.00 14.41 47.11 217.73 01:50:00 22.13 2.67 17.22 2.23 214.12 3099.37 925.23 02:00:00 1.52 0.00 1.50 0.02 0.00 25.11 0.31 02:10:00 1.33 0.00 1.33 0.00 0.00 129.69 0.32 02:20:00 1.37 0.00 1.34 0.02 0.00 29.87 807.76 02:30:00 1.90 0.00 1.84 0.06 0.00 36.17 1210.81 Average: 4.84 0.34 3.00 1.50 26.88 348.98 11316.87 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6247676 7523500 296328 3.64 30864 1450296 529668 5.77 458048 1200260 160 01:10:00 6256072 7532496 287296 3.53 31060 1450660 529732 5.77 458208 1200820 200 01:20:00 6255568 7532504 287312 3.53 31228 1450996 529920 5.77 458712 1201324 160 01:30:00 6249536 7527032 292660 3.60 31444 1451324 585236 6.37 463936 1201864 124 01:40:00 6240092 7531952 287644 3.54 31684 1465360 541364 5.90 474872 1214704 0 01:50:00 5285820 7397548 374264 4.60 85148 2190760 637184 6.94 599032 1949324 188 02:00:00 5276036 7389880 381852 4.70 85272 2192748 645724 7.03 598984 1951436 120 02:10:00 5210516 7359464 412192 5.07 85400 2227664 687624 7.49 640620 1986472 580 02:20:00 5214284 7367260 404348 4.97 85588 2231464 654440 7.13 607100 1990456 396 02:30:00 5176096 7333300 438224 5.39 85816 2235392 688536 7.50 641640 1994496 124 Average: 5741170 7449494 346212 4.26 58350 1834666 602943 6.57 540115 1589116 205 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.91 0.23 3.11 0.05 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.66 0.07 5.75 0.04 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.59 0.10 0.41 0.07 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.43 0.18 0.08 0.59 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 9.80 4.82 19.41 1.88 0.00 0.00 0.00 0.00 01:50:00 lo 1.30 1.30 0.09 0.09 0.00 0.00 0.00 0.00 01:50:00 ens3 63.92 48.34 391.90 10.44 0.00 0.00 0.00 0.00 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 17.88 15.37 168.21 1.32 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 5.88 4.81 41.78 0.65 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 16.50 15.24 149.15 1.67 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 22.82 21.95 224.86 2.21 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 13.94 11.11 100.47 1.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2379) 04/13/26 _x86_64_ (2 CPU) 00:41:45 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.42 0.00 0.22 0.06 0.02 99.27 01:00:00 0 0.24 0.00 0.20 0.10 0.03 99.43 01:00:00 1 0.60 0.00 0.24 0.03 0.02 99.12 01:10:00 all 0.28 0.00 0.10 0.03 0.02 99.58 01:10:00 0 0.17 0.00 0.10 0.01 0.02 99.71 01:10:00 1 0.39 0.00 0.10 0.06 0.02 99.44 01:20:00 all 0.25 0.00 0.08 0.01 0.02 99.64 01:20:00 0 0.09 0.00 0.08 0.01 0.02 99.81 01:20:00 1 0.42 0.00 0.08 0.01 0.02 99.47 01:30:00 all 0.31 0.00 0.17 0.01 0.02 99.49 01:30:00 0 0.23 0.00 0.15 0.02 0.02 99.59 01:30:00 1 0.39 0.00 0.19 0.01 0.02 99.40 01:40:00 all 0.41 0.00 0.09 0.01 0.02 99.47 01:40:00 0 0.46 0.00 0.07 0.02 0.02 99.44 01:40:00 1 0.36 0.00 0.11 0.01 0.03 99.50 01:50:00 all 11.20 0.00 1.72 0.44 0.06 86.59 01:50:00 0 10.90 0.00 1.70 0.39 0.07 86.95 01:50:00 1 11.50 0.00 1.74 0.48 0.05 86.23 02:00:00 all 0.95 0.00 0.32 0.01 0.05 98.67 02:00:00 0 1.28 0.00 0.40 0.01 0.06 98.25 02:00:00 1 0.63 0.00 0.24 0.01 0.04 99.09 02:10:00 all 5.99 0.00 0.54 0.01 0.06 93.40 02:10:00 0 5.01 0.00 0.46 0.01 0.06 94.46 02:10:00 1 6.97 0.00 0.62 0.01 0.07 92.33 02:20:00 all 1.58 0.00 0.25 0.01 0.05 98.11 02:20:00 0 1.63 0.00 0.19 0.01 0.04 98.13 02:20:00 1 1.53 0.00 0.31 0.01 0.07 98.09 02:30:00 all 1.63 0.00 0.45 0.01 0.05 97.86 02:30:00 0 1.73 0.00 0.41 0.01 0.05 97.80 02:30:00 1 1.53 0.00 0.49 0.01 0.05 97.92 Average: all 2.29 0.00 0.39 0.06 0.04 97.22 Average: 0 2.16 0.00 0.37 0.06 0.04 97.37 Average: 1 2.42 0.00 0.41 0.06 0.04 97.07