---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-14196 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 746 5020 4 2465 7195 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:22:6c:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82681sec preferred_lft 82681sec inet6 fe80::f816:3eff:fe22:6cd2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-14196) 05/14/26 _x86_64_ (2 CPU) 00:39:32 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 22.67 2.92 17.50 2.26 245.79 3168.38 495.49 01:00:03 1.62 0.02 1.56 0.03 0.65 20.11 1.46 01:10:21 1.28 0.00 1.27 0.02 0.00 67.94 1.27 01:20:01 1.65 0.00 1.62 0.03 0.01 352.23 3.35 01:30:21 1.67 0.00 1.63 0.04 0.00 75.88 4.47 01:40:21 16.85 0.05 2.82 13.98 1.57 634.91 109000.18 Average: 7.59 0.49 4.38 2.71 41.10 714.72 18153.35 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5172728 7291872 479428 5.90 84156 2199152 722228 7.87 685380 1959580 184 01:00:03 5203952 7323860 447196 5.50 84340 2199740 674464 7.35 636924 1960228 228 01:10:21 5093664 7248272 522748 6.43 84512 2234228 751828 8.19 698380 1994884 18016 01:20:01 4944704 7179936 589844 7.25 84704 2313556 838992 9.14 785072 2074412 224 01:30:21 4853560 7106736 662620 8.15 84936 2331028 910632 9.92 857356 2092108 200 01:40:21 5093780 7355760 421092 5.18 86160 2345520 643348 7.01 633472 2107400 40752 Average: 5060398 7251073 520488 6.40 84801 2270537 756915 8.24 716097 2031435 9934 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:50:01 ens3 77.53 58.42 539.57 10.28 0.00 0.00 0.00 0.00 01:00:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 36.99 30.76 456.29 2.04 0.00 0.00 0.00 0.00 01:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:21 ens3 76.83 72.05 1203.64 4.75 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 24.60 23.23 370.95 1.60 0.00 0.00 0.00 0.00 01:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:21 ens3 25.89 23.56 383.97 1.58 0.00 0.00 0.00 0.00 01:40:21 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:21 ens3 31.67 25.25 280.43 20.16 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 45.74 39.04 542.42 6.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-14196) 05/14/26 _x86_64_ (2 CPU) 00:39:32 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 10.44 0.00 1.84 0.65 0.06 87.01 00:50:01 0 10.41 0.00 2.00 0.70 0.06 86.82 00:50:01 1 10.46 0.00 1.69 0.59 0.07 87.20 01:00:03 all 0.59 0.00 0.43 0.01 0.06 98.91 01:00:03 0 0.56 0.00 0.33 0.01 0.05 99.06 01:00:03 1 0.63 0.00 0.54 0.01 0.07 98.75 01:10:21 all 1.11 0.00 0.64 0.01 0.06 98.18 01:10:21 0 1.36 0.00 0.87 0.00 0.07 97.70 01:10:21 1 0.85 0.00 0.41 0.01 0.06 98.67 01:20:01 all 0.74 0.00 0.23 0.02 0.07 98.94 01:20:01 0 0.80 0.00 0.23 0.01 0.06 98.90 01:20:01 1 0.67 0.00 0.24 0.02 0.08 98.98 01:30:21 all 0.67 0.00 0.32 0.01 0.07 98.93 01:30:21 0 0.62 0.00 0.22 0.01 0.05 99.10 01:30:21 1 0.72 0.00 0.43 0.00 0.09 98.76 01:40:21 all 2.26 0.00 0.41 0.08 0.06 97.19 01:40:21 0 2.07 0.00 0.55 0.11 0.09 97.19 01:40:21 1 2.45 0.00 0.28 0.05 0.04 97.19 Average: all 2.62 0.00 0.65 0.13 0.06 96.54 Average: 0 2.63 0.00 0.70 0.14 0.06 96.47 Average: 1 2.62 0.00 0.60 0.11 0.07 96.60