---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33909 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 8.3G 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 796 4696 4 2754 7145 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:14:03:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5774sec preferred_lft 5774sec inet6 fe80::f816:3eff:fe14:393/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33909) 07/09/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:10 1.90 0.01 1.86 0.02 0.80 22.09 213.24 00:20:15 1.92 0.11 1.79 0.03 3.03 24.39 544.49 00:30:01 1.57 0.00 1.56 0.01 0.00 17.89 0.23 00:40:15 23.86 2.92 18.70 2.23 222.16 3383.52 849.17 00:50:15 1.73 0.00 1.73 0.00 0.00 19.60 0.03 01:00:01 1.77 0.00 1.75 0.03 0.00 88.76 0.67 01:10:15 1.76 0.00 1.73 0.03 0.00 457.69 5.00 01:20:15 1.73 0.00 1.70 0.03 0.00 86.12 4.59 01:30:01 2.75 0.04 2.27 0.45 1.11 93.77 1483.72 Average: 4.39 0.35 3.72 0.32 25.84 476.00 343.93 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:10 6103780 7500880 307788 3.78 54376 1538656 574528 6.26 494604 1309524 360 00:20:15 6131584 7490600 317984 3.91 54508 1500420 571180 6.22 493032 1271172 212 00:30:01 6125644 7485104 323432 3.98 54624 1500708 571180 6.22 493172 1271608 248 00:40:15 5030796 7315648 440832 5.42 105760 2330460 711680 7.75 658840 2106920 260 00:50:15 4865396 7150760 605524 7.45 105868 2330876 903880 9.85 801316 2107436 232 01:00:01 4877184 7196712 559572 6.88 105960 2364908 860996 9.38 792276 2141568 13564 01:10:15 4653740 7097228 657092 8.08 106096 2487056 960272 10.46 891164 2263844 292 01:20:15 4599900 7064312 689672 8.48 106228 2507548 977936 10.65 909532 2284476 140 01:30:01 4871956 7360436 400748 4.93 106740 2537676 670576 7.30 643392 2314912 213024 Average: 5251109 7295742 478072 5.88 88907 2122034 755803 8.23 686370 1896829 25370 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:10 ens3 0.22 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:15 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:15 ens3 0.13 0.04 0.03 0.01 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.65 0.15 0.25 0.12 0.00 0.00 0.00 0.00 00:40:15 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:15 ens3 87.73 66.53 690.12 14.00 0.00 0.00 0.00 0.00 00:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:15 ens3 30.28 27.61 459.22 1.87 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 80.70 76.07 1244.93 5.01 0.00 0.00 0.00 0.00 01:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:15 ens3 26.99 25.60 425.09 1.74 0.00 0.00 0.00 0.00 01:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 24.71 23.14 376.12 1.58 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 31.90 23.66 255.09 26.17 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 31.49 26.97 382.47 5.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33909) 07/09/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:10 all 0.26 0.00 0.10 0.01 0.02 99.61 00:10:10 0 0.12 0.00 0.12 0.01 0.03 99.71 00:10:10 1 0.39 0.00 0.08 0.01 0.02 99.50 00:20:15 all 0.65 0.00 0.21 0.01 0.02 99.11 00:20:15 0 0.71 0.00 0.19 0.01 0.01 99.08 00:20:15 1 0.59 0.00 0.22 0.01 0.03 99.15 00:30:01 all 0.25 0.00 0.15 0.01 0.02 99.56 00:30:01 0 0.43 0.00 0.15 0.01 0.02 99.40 00:30:01 1 0.07 0.00 0.16 0.01 0.03 99.73 00:40:15 all 11.54 0.00 1.76 0.42 0.05 86.23 00:40:15 0 9.69 0.00 1.67 0.21 0.06 88.37 00:40:15 1 13.38 0.00 1.85 0.63 0.05 84.09 00:50:15 all 0.60 0.00 0.26 0.01 0.05 99.09 00:50:15 0 0.51 0.00 0.22 0.01 0.05 99.21 00:50:15 1 0.68 0.00 0.29 0.00 0.05 98.98 01:00:01 all 1.16 0.00 0.66 0.01 0.05 98.12 01:00:01 0 0.83 0.00 0.41 0.01 0.05 98.70 01:00:01 1 1.48 0.00 0.91 0.01 0.06 97.54 01:10:15 all 0.80 0.00 0.21 0.02 0.05 98.92 01:10:15 0 0.74 0.00 0.18 0.02 0.05 99.02 01:10:15 1 0.86 0.00 0.24 0.01 0.05 98.83 01:20:15 all 0.61 0.00 0.24 0.01 0.05 99.08 01:20:15 0 0.64 0.00 0.36 0.01 0.07 98.93 01:20:15 1 0.59 0.00 0.13 0.01 0.03 99.24 01:30:01 all 2.44 0.00 0.47 0.02 0.05 97.02 01:30:01 0 1.45 0.00 0.44 0.03 0.06 98.02 01:30:01 1 3.43 0.00 0.49 0.02 0.04 96.02 Average: all 2.06 0.00 0.45 0.06 0.04 97.39 Average: 0 1.70 0.00 0.42 0.04 0.04 97.80 Average: 1 2.41 0.00 0.49 0.08 0.04 96.98