---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10973 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 8.0G 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 766 5180 4 2283 7174 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:22:e6:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80899sec preferred_lft 80899sec inet6 fe80::f816:3eff:fe22:e672/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10973) 05/05/26 _x86_64_ (2 CPU) 01:47:58 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.38 0.03 1.35 0.01 1.24 16.84 437.29 02:10:44 1.19 0.01 1.17 0.01 0.05 14.46 0.90 02:20:04 1.17 0.00 1.15 0.02 0.01 13.77 1.16 02:30:02 1.40 0.00 1.37 0.03 0.00 16.88 438.85 02:40:44 1.37 0.00 1.36 0.02 0.00 15.93 1.12 02:50:04 15.45 0.27 1.71 13.47 33.34 79.19 116975.41 03:00:01 23.77 3.04 18.48 2.26 229.20 3212.85 571.04 03:10:04 1.38 0.00 1.38 0.00 0.34 66.61 0.03 Average: 5.76 0.41 3.48 1.86 32.60 426.99 13824.85 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6295992 7546512 273892 3.37 30592 1425552 529828 5.77 442300 1187304 192 02:10:44 6303316 7554424 266036 3.27 30816 1425884 529800 5.77 442364 1187888 156 02:20:04 6302480 7554084 266368 3.28 30984 1426208 529800 5.77 442368 1188380 208 02:30:02 6295700 7547820 272512 3.35 31188 1426536 529800 5.77 442520 1188880 292 02:40:44 6295452 7548152 272208 3.35 31396 1426868 530012 5.77 442660 1189452 120 02:50:04 6239032 7518580 301208 3.70 31780 1452972 732696 7.98 457536 1207012 284 03:00:01 5281764 7407984 363096 4.46 85372 2204684 837276 9.12 601388 1966768 280 03:10:04 5263008 7404772 366320 4.50 85524 2220080 848500 9.24 604724 1982208 744 Average: 6034593 7510291 297705 3.66 44706 1626098 633464 6.90 484482 1387236 284 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.89 0.07 0.11 0.03 0.00 0.00 0.00 0.00 02:10:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:44 ens3 0.37 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.24 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.26 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:44 ens3 0.33 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.56 0.29 3.41 0.08 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 74.46 51.35 306.59 12.67 0.00 0.00 0.00 0.00 03:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:04 ens3 53.90 49.00 10.36 6.03 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 16.36 12.60 39.87 2.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10973) 05/05/26 _x86_64_ (2 CPU) 01:47:58 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.24 0.00 0.17 0.01 0.04 99.54 02:00:01 0 0.26 0.00 0.16 0.02 0.04 99.52 02:00:01 1 0.22 0.00 0.17 0.01 0.04 99.55 02:10:44 all 0.23 0.00 0.07 0.01 0.04 99.65 02:10:44 0 0.07 0.00 0.08 0.01 0.04 99.80 02:10:44 1 0.39 0.00 0.06 0.01 0.03 99.51 02:20:04 all 0.21 0.00 0.07 0.02 0.03 99.66 02:20:04 0 0.38 0.00 0.06 0.03 0.03 99.50 02:20:04 1 0.05 0.00 0.08 0.01 0.04 99.82 02:30:02 all 0.26 0.00 0.16 0.02 0.03 99.54 02:30:02 0 0.45 0.00 0.15 0.02 0.03 99.36 02:30:02 1 0.07 0.00 0.17 0.02 0.03 99.72 02:40:44 all 0.24 0.00 0.08 0.02 0.03 99.64 02:40:44 0 0.25 0.00 0.08 0.01 0.02 99.64 02:40:44 1 0.23 0.00 0.08 0.03 0.03 99.63 02:50:04 all 0.41 0.00 0.11 0.05 0.03 99.40 02:50:04 0 0.40 0.00 0.14 0.04 0.03 99.39 02:50:04 1 0.42 0.00 0.09 0.06 0.02 99.41 03:00:01 all 13.52 0.00 1.95 0.93 0.07 83.54 03:00:01 0 14.62 0.00 2.08 0.92 0.07 82.31 03:00:01 1 12.42 0.00 1.82 0.94 0.06 84.76 03:10:04 all 6.61 0.00 0.66 0.01 0.08 92.63 03:10:04 0 8.41 0.00 0.72 0.02 0.09 90.77 03:10:04 1 4.83 0.00 0.60 0.01 0.08 94.49 Average: all 2.69 0.00 0.41 0.13 0.04 96.73 Average: 0 3.07 0.00 0.43 0.13 0.04 96.32 Average: 1 2.31 0.00 0.38 0.13 0.04 97.13