---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11890 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 799 5139 4 2292 7141 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:27:e3:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80930sec preferred_lft 80930sec inet6 fe80::f816:3eff:fe27:e3d3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11890) 05/08/26 _x86_64_ (2 CPU) 01:58:10 LINUX RESTART (2 CPU) 02:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 0.93 0.03 0.91 0.00 1.26 12.33 0.00 02:20:52 0.82 0.01 0.82 0.00 0.06 11.42 0.00 02:30:12 14.47 0.00 1.02 13.45 0.16 14.40 117904.64 02:40:01 0.84 0.00 0.84 0.00 0.00 11.68 0.00 02:50:52 0.84 0.00 0.84 0.00 0.00 11.65 0.00 03:00:07 2.04 0.70 1.30 0.03 50.63 112.09 942.85 03:10:01 21.93 2.81 16.87 2.25 220.32 3163.50 793.83 03:20:22 1.16 0.00 1.16 0.00 0.33 66.05 0.03 Average: 5.22 0.43 2.94 1.85 33.26 419.74 13933.91 02:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6277540 7535228 284900 3.50 30636 1432856 529040 5.76 451584 1186672 8 02:20:52 6275612 7533988 286088 3.52 30832 1433344 528988 5.76 451912 1187220 32 02:30:12 6274308 7533232 286780 3.53 30976 1433720 529116 5.76 451868 1187720 48 02:40:01 6276728 7536128 283872 3.49 31144 1434024 529204 5.76 452304 1188192 12 02:50:52 6275468 7535404 284588 3.50 31308 1434388 529204 5.76 452400 1188720 4 03:00:07 6211948 7513248 305896 3.76 31816 1474800 742076 8.08 497476 1219212 212 03:10:01 5247340 7382240 388872 4.78 85784 2213160 664308 7.24 626208 1966880 260 03:20:22 5228372 7379596 391492 4.81 85932 2229364 675264 7.35 629556 1983084 556 Average: 6008414 7493633 314061 3.86 44804 1635707 590900 6.44 501664 1388462 142 02:00:12 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 0.72 0.05 0.07 0.01 0.00 0.00 0.00 0.00 02:20:52 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:52 ens3 0.41 0.04 2.09 0.01 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.26 0.04 0.05 0.02 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 0.47 0.10 0.31 0.07 0.00 0.00 0.00 0.00 02:50:52 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:52 ens3 0.24 0.04 0.07 0.03 0.00 0.00 0.00 0.00 03:00:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:07 ens3 8.15 5.07 25.00 3.34 0.00 0.00 0.00 0.00 03:10:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 66.63 48.46 287.82 9.82 0.00 0.00 0.00 0.00 03:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:22 ens3 51.28 46.44 10.30 5.92 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 16.06 12.60 40.09 2.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11890) 05/08/26 _x86_64_ (2 CPU) 01:58:10 LINUX RESTART (2 CPU) 02:00:12 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.30 0.00 0.07 0.01 0.03 99.60 02:10:01 0 0.05 0.00 0.07 0.01 0.03 99.83 02:10:01 1 0.54 0.00 0.06 0.01 0.02 99.37 02:20:52 all 0.25 0.00 0.08 0.09 0.03 99.55 02:20:52 0 0.18 0.00 0.08 0.08 0.03 99.63 02:20:52 1 0.32 0.00 0.09 0.11 0.02 99.46 02:30:12 all 0.30 0.00 0.20 0.08 0.02 99.40 02:30:12 0 0.33 0.00 0.18 0.01 0.02 99.46 02:30:12 1 0.26 0.00 0.23 0.15 0.02 99.34 02:40:01 all 0.28 0.00 0.08 0.01 0.02 99.61 02:40:01 0 0.48 0.00 0.07 0.01 0.02 99.43 02:40:01 1 0.07 0.00 0.10 0.01 0.02 99.80 02:50:52 all 0.27 0.00 0.08 0.03 0.02 99.60 02:50:52 0 0.16 0.00 0.09 0.04 0.02 99.69 02:50:52 1 0.38 0.00 0.07 0.03 0.02 99.50 03:00:07 all 0.71 0.00 0.24 0.03 0.02 99.00 03:00:07 0 0.62 0.00 0.28 0.02 0.02 99.06 03:00:07 1 0.81 0.00 0.21 0.03 0.02 98.93 03:10:01 all 12.93 0.00 1.83 0.63 0.08 84.53 03:10:01 0 14.73 0.00 2.07 0.71 0.08 82.41 03:10:01 1 11.12 0.00 1.60 0.55 0.07 86.66 03:20:22 all 6.48 0.00 0.56 0.01 0.06 92.88 03:20:22 0 6.68 0.00 0.61 0.01 0.06 92.64 03:20:22 1 6.28 0.00 0.52 0.01 0.06 93.13 Average: all 2.68 0.00 0.39 0.11 0.03 96.79 Average: 0 2.89 0.00 0.42 0.11 0.03 96.54 Average: 1 2.46 0.00 0.35 0.11 0.03 97.04