---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34426 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 764 5015 4 2455 7177 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:93:33:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81641sec preferred_lft 81641sec inet6 fe80::f816:3eff:fe93:3355/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34426) 07/10/26 _x86_64_ (2 CPU) 01:58:05 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.23 0.02 1.20 0.00 1.24 14.52 0.12 02:20:03 13.82 0.01 1.31 12.49 0.21 15.34 108770.15 02:30:01 2.06 0.26 1.76 0.04 32.13 78.24 656.88 02:40:01 1.33 0.00 1.33 0.00 0.00 15.46 0.00 02:50:03 1.32 0.00 1.32 0.00 0.00 15.64 0.00 03:00:01 1.60 0.00 1.59 0.02 0.00 19.16 655.19 03:10:01 26.53 2.85 21.31 2.37 225.63 3713.65 1569.34 Average: 6.85 0.45 4.26 2.14 37.02 553.11 16005.15 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6299464 7546580 273932 3.37 30572 1422240 527620 5.75 442752 1183200 124 02:20:03 6299464 7547172 273364 3.36 30788 1422616 527624 5.75 442984 1183764 164 02:30:01 6256076 7531368 288592 3.55 31176 1449404 527860 5.75 452108 1201864 124 02:40:01 6263888 7539680 280276 3.45 31344 1449728 527860 5.75 452552 1202356 124 02:50:03 6270948 7547248 272728 3.35 31516 1450056 527940 5.75 452668 1202856 184 03:00:01 6263652 7540616 279292 3.43 31696 1450512 528108 5.75 453568 1203364 240 03:10:01 5153956 7396308 370352 4.55 86940 2315524 706396 7.69 607780 2078076 3168 Average: 6115350 7521282 291219 3.58 39147 1565726 553344 6.03 472059 1322211 590 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.96 0.04 0.20 0.01 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.44 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.87 0.25 11.04 0.03 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 0.56 0.09 1.17 0.05 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.41 0.09 0.13 0.08 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.50 0.23 0.16 0.52 0.00 0.00 0.00 0.00 03:10:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 81.12 57.02 343.18 14.62 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 12.26 8.25 50.84 2.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34426) 07/10/26 _x86_64_ (2 CPU) 01:58:05 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.25 0.00 0.08 0.01 0.03 99.63 02:10:01 0 0.07 0.00 0.08 0.02 0.03 99.79 02:10:01 1 0.43 0.00 0.07 0.01 0.03 99.47 02:20:03 all 0.23 0.00 0.09 0.03 0.03 99.63 02:20:03 0 0.05 0.00 0.11 0.04 0.03 99.77 02:20:03 1 0.41 0.00 0.07 0.02 0.02 99.48 02:30:01 all 0.40 0.00 0.20 0.03 0.03 99.34 02:30:01 0 0.33 0.00 0.18 0.03 0.03 99.43 02:30:01 1 0.47 0.00 0.22 0.03 0.03 99.25 02:40:01 all 0.29 0.00 0.07 0.02 0.03 99.60 02:40:01 0 0.51 0.00 0.05 0.01 0.02 99.42 02:40:01 1 0.06 0.00 0.09 0.03 0.04 99.79 02:50:03 all 0.26 0.00 0.07 0.01 0.02 99.64 02:50:03 0 0.43 0.00 0.06 0.01 0.02 99.48 02:50:03 1 0.08 0.00 0.08 0.01 0.03 99.80 03:00:01 all 0.29 0.00 0.16 0.01 0.02 99.51 03:00:01 0 0.39 0.00 0.16 0.01 0.02 99.42 03:00:01 1 0.19 0.00 0.17 0.02 0.03 99.59 03:10:01 all 16.81 0.00 1.76 0.55 0.06 80.82 03:10:01 0 16.02 0.00 1.84 0.60 0.06 81.48 03:10:01 1 17.59 0.00 1.69 0.50 0.06 80.17 Average: all 2.64 0.00 0.35 0.09 0.03 96.88 Average: 0 2.54 0.00 0.35 0.10 0.03 96.98 Average: 1 2.74 0.00 0.34 0.09 0.03 96.79