---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-13133 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 21% / 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 771 5122 4 2345 7170 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:85:67:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 6201sec preferred_lft 6201sec inet6 fe80::f816:3eff:fe85:677f/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-13133) 05/14/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.85 0.01 1.82 0.01 0.81 21.42 0.21 00:20:15 1.84 0.10 1.70 0.03 2.99 23.52 888.07 00:30:01 1.91 0.00 1.88 0.02 0.00 21.57 442.43 00:40:01 22.59 3.02 17.37 2.20 226.69 3153.92 462.73 00:50:05 1.52 0.00 1.50 0.02 0.00 22.57 1.13 01:00:01 1.79 0.00 1.76 0.03 0.00 25.24 1.23 01:10:01 1.58 0.00 1.55 0.02 0.00 133.28 397.22 01:20:29 1.85 0.00 1.83 0.02 0.00 37.32 0.66 01:30:01 1.85 0.00 1.80 0.05 0.00 27.14 0.64 Average: 4.08 0.35 3.47 0.27 25.58 384.65 244.87 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6116608 7512244 296780 3.65 54228 1537564 550252 5.99 474096 1308600 356 00:20:15 6121548 7479440 329508 4.05 54364 1499628 548956 5.98 473516 1270584 252 00:30:01 6131624 7489988 318768 3.92 54508 1499924 547328 5.96 472404 1271024 256 00:40:01 5196264 7392568 368476 4.53 103468 2248160 653548 7.12 604008 2023104 240 00:50:05 5157840 7356240 404812 4.98 103580 2250228 663656 7.23 605844 2025240 564 01:00:01 5140720 7340928 420116 5.17 103712 2251864 683364 7.44 624592 2026924 172 01:10:01 5054548 7289736 471356 5.80 103852 2286672 719400 7.84 660088 2061864 256 01:20:29 5093872 7334892 426068 5.24 103964 2292312 674980 7.35 615996 2067624 312 01:30:01 5057896 7300884 460052 5.66 104080 2294132 707120 7.70 648200 2069560 128 Average: 5452324 7388547 388437 4.78 87306 2017832 638734 6.96 575416 1791614 282 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.23 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:20:15 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:15 ens3 0.15 0.07 0.04 0.02 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 0.53 0.16 0.19 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 58.66 41.22 302.69 11.30 0.00 0.00 0.00 0.00 00:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 24.40 20.55 250.07 1.71 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 6.88 6.27 33.52 0.76 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 14.60 13.02 156.73 1.25 0.00 0.00 0.00 0.00 01:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:29 ens3 17.09 16.21 135.76 1.90 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 14.48 14.05 146.94 1.93 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 15.24 12.42 114.06 2.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13133) 05/14/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.23 0.00 0.10 0.01 0.03 99.63 00:10:01 0 0.07 0.00 0.11 0.01 0.04 99.78 00:10:01 1 0.40 0.00 0.09 0.01 0.02 99.48 00:20:15 all 0.60 0.00 0.20 0.01 0.03 99.16 00:20:15 0 0.47 0.00 0.23 0.01 0.03 99.26 00:20:15 1 0.73 0.00 0.17 0.01 0.02 99.06 00:30:01 all 0.27 0.00 0.16 0.01 0.03 99.53 00:30:01 0 0.21 0.00 0.17 0.01 0.03 99.59 00:30:01 1 0.33 0.00 0.15 0.02 0.02 99.47 00:40:01 all 10.96 0.00 1.64 0.50 0.05 86.85 00:40:01 0 13.12 0.00 1.88 0.55 0.05 84.41 00:40:01 1 8.81 0.00 1.40 0.45 0.06 89.29 00:50:05 all 0.99 0.00 0.27 0.01 0.06 98.67 00:50:05 0 0.96 0.00 0.24 0.01 0.06 98.72 00:50:05 1 1.02 0.00 0.29 0.01 0.06 98.62 01:00:01 all 3.69 0.00 0.48 0.01 0.07 95.75 01:00:01 0 1.31 0.00 0.30 0.01 0.08 98.30 01:00:01 1 6.14 0.00 0.66 0.01 0.06 93.13 01:10:01 all 5.23 0.00 0.58 0.01 0.07 94.10 01:10:01 0 7.18 0.00 0.67 0.01 0.05 92.09 01:10:01 1 3.26 0.00 0.50 0.02 0.08 96.14 01:20:29 all 1.89 0.00 0.32 0.01 0.07 97.71 01:20:29 0 1.49 0.00 0.19 0.01 0.05 98.26 01:20:29 1 2.28 0.00 0.45 0.02 0.09 97.16 01:30:01 all 0.91 0.00 0.33 0.01 0.07 98.69 01:30:01 0 0.84 0.00 0.30 0.01 0.05 98.79 01:30:01 1 0.97 0.00 0.35 0.01 0.08 98.58 Average: all 2.75 0.00 0.45 0.07 0.05 96.68 Average: 0 2.85 0.00 0.45 0.07 0.05 96.58 Average: 1 2.65 0.00 0.45 0.06 0.06 96.78