---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36531 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 760 5131 4 2351 7180 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:7b:5e:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81235sec preferred_lft 81235sec inet6 fe80::f816:3eff:fe7b:5e35/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36531) 07/17/26 _x86_64_ (2 CPU) 00:37:28 LINUX RESTART (2 CPU) 00:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:14 1.45 0.02 1.42 0.00 1.24 17.17 0.12 01:00:09 1.64 0.01 1.62 0.02 0.05 19.57 440.66 01:10:14 1.86 0.25 1.59 0.02 30.72 76.33 1.02 01:20:14 1.48 0.01 1.48 0.00 1.07 17.62 0.05 01:30:09 1.60 0.00 1.59 0.01 0.00 19.15 439.77 01:40:15 1.38 0.00 1.38 0.00 0.00 16.41 0.00 01:50:15 52.68 16.38 20.88 15.42 376.38 3590.87 109433.28 02:00:15 1.46 0.00 1.44 0.02 0.00 23.33 0.31 Average: 7.95 2.08 3.92 1.94 51.23 472.73 13791.98 00:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:14 6307216 7554376 266384 3.28 30572 1422292 531888 5.79 444248 1183276 176 01:00:09 6304732 7552448 268176 3.30 30780 1422624 532216 5.80 444716 1183816 132 01:10:14 6249256 7524236 295948 3.64 31160 1449152 732536 7.98 465404 1201960 132 01:20:14 6256064 7531872 288388 3.55 31328 1449796 532848 5.80 460620 1202460 132 01:30:09 6256808 7533160 287040 3.53 31508 1450136 532856 5.80 460636 1202980 132 01:40:15 6256812 7533784 286412 3.52 31660 1450596 532984 5.81 460972 1203464 136 01:50:15 5118044 7392160 365384 4.49 90512 2334912 644252 7.02 601596 2100432 292 02:00:15 5057788 7333992 423412 5.21 90676 2336816 667044 7.27 616396 2102496 520 Average: 5975840 7494504 310143 3.81 46024 1664540 588328 6.41 494324 1422610 206 00:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:14 ens3 1.56 0.08 0.20 0.06 0.00 0.00 0.00 0.00 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.49 0.08 0.09 0.03 0.00 0.00 0.00 0.00 01:10:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 1.27 0.65 3.40 0.17 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 0.49 0.21 0.10 0.60 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.30 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 0.42 0.12 0.13 0.08 0.00 0.00 0.00 0.00 01:50:15 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:15 ens3 71.95 49.59 338.03 11.98 0.00 0.00 0.00 0.00 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 14.85 12.51 107.40 1.13 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 11.42 7.92 56.19 1.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36531) 07/17/26 _x86_64_ (2 CPU) 00:37:28 LINUX RESTART (2 CPU) 00:40:14 CPU %user %nice %system %iowait %steal %idle 00:50:14 all 0.27 0.00 0.08 0.02 0.03 99.61 00:50:14 0 0.38 0.00 0.08 0.01 0.03 99.51 00:50:14 1 0.16 0.00 0.08 0.03 0.03 99.71 01:00:09 all 0.29 0.00 0.17 0.01 0.03 99.50 01:00:09 0 0.30 0.00 0.18 0.01 0.03 99.48 01:00:09 1 0.27 0.00 0.17 0.01 0.04 99.52 01:10:14 all 0.39 0.00 0.10 0.02 0.03 99.46 01:10:14 0 0.23 0.00 0.10 0.01 0.03 99.62 01:10:14 1 0.55 0.00 0.10 0.03 0.03 99.29 01:20:14 all 0.24 0.00 0.07 0.01 0.03 99.65 01:20:14 0 0.33 0.00 0.07 0.01 0.02 99.58 01:20:14 1 0.16 0.00 0.08 0.02 0.03 99.71 01:30:09 all 0.27 0.00 0.15 0.01 0.03 99.55 01:30:09 0 0.47 0.00 0.13 0.02 0.02 99.36 01:30:09 1 0.06 0.00 0.16 0.01 0.04 99.73 01:40:15 all 0.22 0.00 0.06 0.02 0.03 99.67 01:40:15 0 0.28 0.00 0.04 0.03 0.02 99.63 01:40:15 1 0.17 0.00 0.08 0.00 0.03 99.72 01:50:15 all 12.07 0.17 1.85 0.81 0.08 85.02 01:50:15 0 13.48 0.05 1.81 0.96 0.07 83.64 01:50:15 1 10.66 0.28 1.89 0.67 0.10 86.41 02:00:15 all 0.84 0.00 0.29 0.01 0.08 98.77 02:00:15 0 0.71 0.00 0.24 0.01 0.06 98.98 02:00:15 1 0.98 0.00 0.34 0.01 0.10 98.57 Average: all 1.82 0.02 0.35 0.11 0.04 97.66 Average: 0 2.02 0.01 0.33 0.13 0.03 97.48 Average: 1 1.62 0.04 0.36 0.10 0.05 97.83