---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32996 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 8.1G 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 788 4966 4 2487 7153 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:f6:3d:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79499sec preferred_lft 79499sec inet6 fe80::f816:3eff:fef6:3d51/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32996) 07/05/26 _x86_64_ (2 CPU) 00:16:19 LINUX RESTART (2 CPU) 00:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 11.01 1.40 8.31 1.30 113.54 1134.52 433.14 00:40:02 1.23 0.01 1.23 0.00 0.05 18.04 0.12 00:50:02 1.73 0.25 1.47 0.01 30.97 77.96 0.17 01:00:01 1.55 0.01 1.52 0.03 1.05 22.48 1.08 01:10:02 1.34 0.00 1.33 0.01 0.00 19.98 0.32 01:20:02 1.33 0.00 1.29 0.04 0.00 22.77 0.96 01:30:01 15.18 0.00 1.64 13.53 0.15 25.82 106687.43 01:40:02 1.36 0.00 1.35 0.01 0.00 21.55 0.32 01:50:02 1.51 0.00 1.51 0.00 0.00 22.12 0.12 02:00:01 1.64 0.00 1.62 0.03 0.00 24.44 0.92 02:10:02 2.27 0.04 2.05 0.18 1.08 57.10 35.38 Average: 3.65 0.15 2.12 1.37 13.34 131.39 9723.84 00:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 5234016 7406704 361028 4.44 86332 2246876 598824 6.52 583248 2017772 288 00:40:02 5232504 7406364 361144 4.44 86472 2247904 602280 6.56 585892 2018944 184 00:50:02 5176012 7377476 389792 4.79 86764 2275140 801380 8.73 600424 2037708 200 01:00:01 5173276 7376512 390852 4.81 86924 2276732 602624 6.56 596088 2039148 268 01:10:02 5173276 7377960 389380 4.79 87088 2278028 602648 6.56 596380 2040592 144 01:20:02 5173276 7380436 386920 4.76 87304 2280272 604696 6.59 597808 2042940 200 01:30:01 5173852 7382912 384276 4.73 87552 2281916 604696 6.59 597672 2044804 260 01:40:02 5179648 7390592 376596 4.63 87720 2283632 604728 6.59 597712 2046688 296 01:50:02 5173852 7386208 380740 4.68 87868 2284916 659868 7.19 603016 2048100 260 02:00:01 5169576 7383544 383528 4.72 88028 2286344 604792 6.59 597892 2049708 240 02:10:02 5095340 7330136 436320 5.37 88720 2306168 707464 7.71 665056 2069932 25216 Average: 5177693 7381713 385507 4.74 87343 2277084 635818 6.93 601926 2041485 2505 00:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 00:30:01 ens3 8.06 5.15 35.75 1.62 0.00 0.00 0.00 0.00 00:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:02 ens3 2.07 0.22 0.35 0.13 0.00 0.00 0.00 0.00 00:50:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 1.18 0.40 3.32 0.09 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 0.64 0.14 0.41 0.05 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.57 0.16 0.12 0.06 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.70 0.15 0.55 0.08 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.43 0.12 0.10 0.04 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.61 0.19 0.17 0.10 0.00 0.00 0.00 0.00 01:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 3.20 0.26 0.60 0.21 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.55 0.31 0.20 0.10 0.00 0.00 0.00 0.00 02:10:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 7.23 4.36 8.80 8.83 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.39 1.04 4.58 1.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32996) 07/05/26 _x86_64_ (2 CPU) 00:16:19 LINUX RESTART (2 CPU) 00:20:02 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 5.98 0.00 0.95 0.18 0.05 92.85 00:30:01 0 6.31 0.00 0.98 0.14 0.05 92.51 00:30:01 1 5.64 0.00 0.92 0.21 0.05 93.18 00:40:02 all 0.59 0.00 0.14 0.01 0.04 99.22 00:40:02 0 0.61 0.00 0.13 0.01 0.04 99.21 00:40:02 1 0.57 0.00 0.15 0.01 0.04 99.23 00:50:02 all 0.77 0.00 0.16 0.02 0.05 99.00 00:50:02 0 0.80 0.00 0.14 0.03 0.04 98.98 00:50:02 1 0.74 0.00 0.18 0.00 0.06 99.02 01:00:01 all 0.64 0.00 0.22 0.04 0.05 99.05 01:00:01 0 0.58 0.00 0.23 0.07 0.06 99.07 01:00:01 1 0.70 0.00 0.22 0.01 0.05 99.02 01:10:02 all 0.63 0.00 0.12 0.01 0.06 99.19 01:10:02 0 0.75 0.00 0.14 0.00 0.08 99.02 01:10:02 1 0.51 0.00 0.09 0.01 0.03 99.36 01:20:02 all 0.70 0.00 0.12 0.01 0.06 99.11 01:20:02 0 0.91 0.00 0.15 0.00 0.08 98.86 01:20:02 1 0.49 0.00 0.09 0.01 0.04 99.37 01:30:01 all 0.66 0.00 0.23 0.03 0.06 99.03 01:30:01 0 0.73 0.00 0.25 0.05 0.06 98.91 01:30:01 1 0.59 0.00 0.20 0.01 0.05 99.15 01:40:02 all 0.65 0.00 0.12 0.01 0.06 99.17 01:40:02 0 0.54 0.00 0.09 0.01 0.04 99.32 01:40:02 1 0.76 0.00 0.14 0.01 0.07 99.01 01:50:02 all 0.65 0.00 0.13 0.01 0.06 99.15 01:50:02 0 0.59 0.00 0.10 0.01 0.05 99.24 01:50:02 1 0.71 0.00 0.16 0.01 0.07 99.05 02:00:01 all 0.67 0.00 0.21 0.02 0.05 99.04 02:00:01 0 0.71 0.00 0.22 0.03 0.05 98.99 02:00:01 1 0.63 0.00 0.21 0.01 0.05 99.10 02:10:02 all 1.68 0.00 0.22 0.06 0.05 97.99 02:10:02 0 1.45 0.00 0.19 0.01 0.05 98.30 02:10:02 1 1.91 0.00 0.25 0.11 0.06 97.67 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.24 0.00 0.24 0.04 0.05 98.44 Average: 0 1.27 0.00 0.24 0.03 0.05 98.40 Average: 1 1.20 0.00 0.24 0.04 0.05 98.47