---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19156 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 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 769 5071 4 2400 7172 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:e4:81:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78359sec preferred_lft 78359sec inet6 fe80::f816:3eff:fee4:814d/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-19156) 05/23/26 _x86_64_ (2 CPU) 00:37:07 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:09 13.74 0.03 1.34 12.37 1.37 16.44 107718.48 01:00:01 15.83 13.73 2.02 0.09 153.19 46.03 7.90 01:10:01 1.13 0.00 1.11 0.01 0.00 13.73 0.85 01:20:19 1.22 0.00 1.22 0.00 0.01 14.96 0.00 01:30:01 2.15 0.26 1.86 0.03 32.99 80.49 445.70 01:40:01 1.32 0.00 1.32 0.00 0.00 15.92 0.00 01:50:19 1.37 0.00 1.37 0.00 0.00 16.39 0.00 02:00:01 24.89 3.11 19.41 2.36 235.03 3508.91 817.70 02:10:01 1.22 0.00 1.21 0.00 0.00 20.96 0.05 02:20:22 1.29 0.01 1.27 0.00 0.58 19.27 0.06 02:30:01 1.72 0.00 1.68 0.04 0.00 146.19 411.13 02:40:01 1.37 0.00 1.34 0.03 0.00 31.73 0.29 02:50:19 3.78 0.04 2.98 0.76 1.39 238.82 1732.45 Average: 5.40 1.30 2.89 1.21 31.81 311.91 8641.16 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:09 6303932 7550048 270232 3.32 30616 1421232 536960 5.85 445312 1183276 160 01:00:01 6235352 7538644 272440 3.35 34812 1465828 536988 5.85 446140 1231492 124 01:10:01 6232928 7536736 274340 3.37 35004 1466148 536988 5.85 446244 1232004 124 01:20:19 6231496 7535844 275224 3.38 35176 1466512 537256 5.85 450708 1232536 184 01:30:01 6189664 7521168 289436 3.56 35548 1492904 537288 5.85 459944 1250228 124 01:40:01 6189664 7521800 288792 3.55 35724 1493356 537284 5.85 460496 1250728 124 01:50:19 6189664 7522332 288236 3.54 35892 1493716 537416 5.85 460592 1251248 152 02:00:01 5131892 7381948 376484 4.63 90472 2311964 639432 6.96 593908 2078528 480 02:10:01 5106624 7358544 399896 4.92 90620 2313688 648104 7.06 593824 2080400 304 02:20:22 5123652 7377208 381204 4.69 90780 2315164 667756 7.27 613288 2081916 372 02:30:01 5017864 7308572 449676 5.53 90932 2352072 656688 7.15 602192 2118844 880 02:40:01 5019472 7314408 443776 5.46 91100 2356076 690756 7.52 636472 2123020 240 02:50:19 5293728 7436400 331096 4.07 92304 2211096 629992 6.86 560028 1978976 23812 Average: 5712764 7454127 333910 4.11 60691 1858443 591762 6.45 520704 1622554 2083 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:09 ens3 1.09 0.08 0.16 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.70 0.07 0.10 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.47 0.06 2.42 0.03 0.00 0.00 0.00 0.00 01:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:19 ens3 0.93 0.23 1.16 0.56 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.51 0.23 3.27 0.05 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.45 0.12 0.14 0.08 0.00 0.00 0.00 0.00 01:50:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:19 ens3 0.35 0.11 0.13 0.08 0.00 0.00 0.00 0.00 02:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 82.08 57.59 441.30 13.02 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 13.24 11.86 139.90 1.05 0.00 0.00 0.00 0.00 02:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:22 ens3 5.59 5.11 32.00 0.63 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 18.66 17.08 192.28 1.80 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 20.80 20.16 224.66 1.97 0.00 0.00 0.00 0.00 02:50:19 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:50:19 ens3 16.28 13.19 68.47 8.61 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 12.18 9.53 83.58 2.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19156) 05/23/26 _x86_64_ (2 CPU) 00:37:07 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:09 all 0.30 0.00 0.09 0.03 0.03 99.55 00:50:09 0 0.42 0.00 0.07 0.05 0.02 99.43 00:50:09 1 0.18 0.00 0.10 0.01 0.04 99.66 01:00:01 all 0.26 0.18 0.24 0.15 0.03 99.15 01:00:01 0 0.40 0.01 0.17 0.01 0.03 99.38 01:00:01 1 0.12 0.34 0.30 0.29 0.04 98.91 01:10:01 all 0.22 0.00 0.07 0.01 0.03 99.67 01:10:01 0 0.39 0.00 0.06 0.01 0.02 99.51 01:10:01 1 0.06 0.00 0.07 0.01 0.04 99.83 01:20:19 all 0.32 0.00 0.06 0.01 0.03 99.58 01:20:19 0 0.51 0.00 0.03 0.01 0.02 99.44 01:20:19 1 0.13 0.00 0.09 0.01 0.05 99.72 01:30:01 all 0.39 0.00 0.18 0.02 0.03 99.37 01:30:01 0 0.49 0.00 0.19 0.03 0.02 99.26 01:30:01 1 0.29 0.00 0.18 0.02 0.03 99.48 01:40:01 all 0.22 0.00 0.07 0.01 0.03 99.68 01:40:01 0 0.39 0.00 0.04 0.01 0.02 99.55 01:40:01 1 0.05 0.00 0.09 0.01 0.04 99.81 01:50:19 all 0.24 0.00 0.06 0.01 0.03 99.66 01:50:19 0 0.16 0.00 0.07 0.00 0.03 99.74 01:50:19 1 0.33 0.00 0.06 0.01 0.03 99.58 02:00:01 all 12.26 0.00 1.92 0.61 0.07 85.15 02:00:01 0 12.61 0.00 1.81 0.74 0.06 84.79 02:00:01 1 11.90 0.00 2.03 0.48 0.08 85.51 02:10:01 all 0.80 0.00 0.20 0.01 0.07 98.93 02:10:01 0 0.70 0.00 0.22 0.01 0.07 99.01 02:10:01 1 0.90 0.00 0.19 0.01 0.06 98.84 02:20:22 all 6.21 0.00 0.55 0.01 0.08 93.16 02:20:22 0 7.21 0.00 0.62 0.01 0.06 92.11 02:20:22 1 5.22 0.00 0.48 0.01 0.09 94.20 02:30:01 all 2.13 0.00 0.41 0.01 0.07 97.38 02:30:01 0 2.31 0.00 0.39 0.01 0.06 97.23 02:30:01 1 1.95 0.00 0.42 0.01 0.08 97.54 02:30:01 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 1.65 0.00 0.32 0.02 0.07 97.94 02:40:01 0 1.04 0.00 0.31 0.01 0.07 98.57 02:40:01 1 2.26 0.00 0.34 0.02 0.06 97.32 02:50:19 all 2.88 0.00 0.40 0.05 0.06 96.61 02:50:19 0 1.90 0.00 0.37 0.03 0.07 97.62 02:50:19 1 3.85 0.00 0.44 0.06 0.05 95.59 Average: all 2.12 0.01 0.35 0.07 0.05 97.40 Average: 0 2.16 0.00 0.33 0.07 0.04 97.39 Average: 1 2.07 0.03 0.36 0.07 0.05 97.41