---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6526 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: 5600.00 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 5209 4 2265 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:d8:23:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80896sec preferred_lft 80896sec inet6 fe80::f816:3eff:fed8:23ef/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-6526) 03/21/26 _x86_64_ (2 CPU) 00:41:02 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:15 1.65 0.01 1.63 0.02 0.05 19.45 640.21 01:10:25 1.39 0.00 1.37 0.02 0.00 15.99 1.18 01:20:01 1.95 0.33 1.59 0.03 40.64 67.73 1.46 01:30:25 13.84 0.01 1.73 12.09 1.15 27.03 105376.98 01:40:25 1.41 0.00 1.40 0.02 0.00 16.01 1.20 01:50:01 23.24 3.13 17.79 2.32 235.27 3203.52 504.05 02:00:25 1.81 0.00 1.79 0.02 0.46 71.12 0.55 02:10:15 1.52 0.00 1.52 0.00 0.35 98.22 0.00 Average: 5.79 0.42 3.52 1.86 33.31 423.11 13800.04 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:15 6269368 7521132 299084 3.68 30772 1426828 530144 5.77 445680 1187636 216 01:10:25 6274452 7526772 293444 3.61 30988 1427156 530360 5.78 445924 1188188 172 01:20:01 6222548 7503480 315992 3.89 31376 1454996 727564 7.92 463216 1205352 2232 01:30:25 6227896 7509800 309736 3.81 31616 1455716 530448 5.78 457432 1205960 180 01:40:25 6235484 7518052 301520 3.71 31808 1456176 530512 5.78 457808 1206488 156 01:50:01 5347956 7455988 315528 3.88 85140 2187272 560220 6.10 549848 1945812 2320 02:00:25 5267520 7388624 382860 4.71 85304 2200248 655308 7.14 602468 1958948 852 02:10:15 5250600 7396640 374864 4.61 85436 2224992 651364 7.09 606532 1983744 1820 Average: 5886978 7477561 324128 3.99 51555 1729173 589490 6.42 503614 1485266 994 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:15 ens3 1.23 0.17 0.25 0.14 0.00 0.00 0.00 0.00 01:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:25 ens3 0.65 0.23 0.64 0.67 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.74 0.27 3.41 0.10 0.00 0.00 0.00 0.00 01:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:25 ens3 0.25 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:25 ens3 0.37 0.09 0.10 0.05 0.00 0.00 0.00 0.00 01:50:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 69.24 46.38 307.55 11.75 0.00 0.00 0.00 0.00 02:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:25 ens3 38.56 32.96 8.30 4.23 0.00 0.00 0.00 0.00 02:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 43.70 42.64 10.01 6.20 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 19.05 15.15 39.69 2.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6526) 03/21/26 _x86_64_ (2 CPU) 00:41:02 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:15 all 0.25 0.00 0.17 0.01 0.02 99.54 01:00:15 0 0.35 0.00 0.16 0.01 0.02 99.46 01:00:15 1 0.16 0.00 0.17 0.02 0.02 99.62 01:10:25 all 0.27 0.00 0.07 0.01 0.02 99.63 01:10:25 0 0.45 0.00 0.05 0.00 0.01 99.48 01:10:25 1 0.08 0.00 0.09 0.01 0.03 99.78 01:20:01 all 0.34 0.00 0.11 0.03 0.02 99.50 01:20:01 0 0.52 0.00 0.10 0.02 0.01 99.34 01:20:01 1 0.16 0.00 0.12 0.03 0.02 99.67 01:30:25 all 0.26 0.00 0.16 0.04 0.02 99.53 01:30:25 0 0.27 0.00 0.16 0.05 0.02 99.51 01:30:25 1 0.24 0.00 0.16 0.03 0.02 99.55 01:40:25 all 0.26 0.00 0.06 0.01 0.02 99.65 01:40:25 0 0.04 0.00 0.07 0.01 0.02 99.86 01:40:25 1 0.49 0.00 0.05 0.01 0.02 99.43 01:50:01 all 11.01 0.00 1.70 0.64 0.04 86.61 01:50:01 0 9.00 0.00 1.64 0.60 0.04 88.71 01:50:01 1 13.02 0.00 1.75 0.68 0.04 84.51 02:00:25 all 5.97 0.00 0.57 0.29 0.35 92.82 02:00:25 0 4.25 0.00 0.47 0.12 0.36 94.80 02:00:25 1 7.71 0.00 0.66 0.46 0.34 90.83 02:10:15 all 8.22 0.00 0.52 0.01 0.06 91.19 02:10:15 0 5.66 0.00 0.46 0.02 0.05 93.81 02:10:15 1 10.77 0.00 0.57 0.01 0.06 88.58 Average: all 3.26 0.00 0.41 0.13 0.07 96.13 Average: 0 2.52 0.00 0.38 0.10 0.07 96.93 Average: 1 4.01 0.00 0.44 0.15 0.07 95.33