---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39477 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 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 776 5090 4 2368 7165 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:cd:2f:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81101sec preferred_lft 81101sec inet6 fe80::f816:3eff:fecd:2f4f/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-39477) 07/28/26 _x86_64_ (2 CPU) 00:39:43 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:15 19.09 3.23 3.55 12.31 380.29 2675.45 107039.65 01:00:14 1.93 0.26 1.65 0.02 31.06 70.63 436.73 01:10:15 1.26 0.00 1.26 0.00 1.05 21.93 0.05 01:20:15 1.14 0.00 1.13 0.01 0.01 14.12 1.08 01:30:04 1.52 0.00 1.49 0.03 0.00 18.07 444.73 01:40:15 1.51 0.00 1.49 0.02 0.00 18.18 1.10 01:50:14 24.95 2.86 19.71 2.38 225.92 3637.61 1054.39 02:00:15 1.53 0.00 1.51 0.02 0.00 69.73 0.25 Average: 6.65 0.80 3.97 1.88 80.66 820.77 13901.45 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:15 6304192 7555608 264876 3.26 30568 1426464 522296 5.69 445764 1187424 124 01:00:14 6240976 7519740 300216 3.69 30936 1453064 722776 7.87 460252 1205628 2260 01:10:15 6240864 7520444 299508 3.68 31108 1453708 522568 5.69 455500 1206124 224 01:20:15 6240360 7520476 299480 3.68 31308 1454028 550644 6.00 460500 1206652 224 01:30:04 6247240 7528068 291840 3.59 31528 1454488 550708 6.00 461556 1207204 236 01:40:15 6256356 7537768 282052 3.47 31776 1454820 605852 6.60 469196 1207780 172 01:50:14 5174784 7399560 366684 4.51 87492 2296668 652680 7.11 606880 2059788 256 02:00:15 5149720 7390024 376160 4.63 87648 2312068 663556 7.23 609404 2075316 628 Average: 5981812 7496461 310102 3.81 45296 1663164 598885 6.52 496132 1419490 516 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:15 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:15 ens3 13.63 6.63 35.53 1.82 0.00 0.00 0.00 0.00 01:00:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 0.82 0.25 3.40 0.05 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 0.37 0.05 0.18 0.03 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 0.46 0.20 0.14 0.48 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.21 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 0.43 0.11 0.13 0.08 0.00 0.00 0.00 0.00 01:50:14 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:14 ens3 74.53 56.22 327.03 12.57 0.00 0.00 0.00 0.00 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 45.62 40.54 9.90 5.78 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 16.99 12.98 46.96 2.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39477) 07/28/26 _x86_64_ (2 CPU) 00:39:43 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:15 all 0.76 0.00 0.40 0.97 0.02 97.85 00:50:15 0 0.48 0.00 0.44 0.79 0.02 98.27 00:50:15 1 1.05 0.00 0.35 1.16 0.01 97.43 01:00:14 all 0.42 0.00 0.20 0.02 0.02 99.35 01:00:14 0 0.33 0.00 0.24 0.04 0.02 99.38 01:00:14 1 0.50 0.00 0.16 0.01 0.01 99.32 01:10:15 all 0.26 0.00 0.09 0.01 0.01 99.63 01:10:15 0 0.32 0.00 0.08 0.01 0.01 99.58 01:10:15 1 0.20 0.00 0.10 0.01 0.01 99.68 01:20:15 all 0.27 0.00 0.08 0.01 0.02 99.63 01:20:15 0 0.42 0.00 0.07 0.01 0.01 99.48 01:20:15 1 0.11 0.00 0.09 0.00 0.02 99.78 01:30:04 all 0.26 0.00 0.15 0.01 0.01 99.57 01:30:04 0 0.44 0.00 0.13 0.01 0.01 99.42 01:30:04 1 0.08 0.00 0.18 0.01 0.01 99.72 01:40:15 all 0.24 0.00 0.08 0.01 0.01 99.66 01:40:15 0 0.17 0.00 0.08 0.00 0.01 99.74 01:40:15 1 0.31 0.00 0.08 0.02 0.01 99.58 01:50:14 all 14.33 0.00 1.95 0.69 0.06 82.98 01:50:14 0 13.85 0.00 2.01 0.81 0.05 83.28 01:50:14 1 14.81 0.00 1.89 0.56 0.06 82.68 02:00:15 all 6.39 0.00 0.65 0.01 0.05 92.90 02:00:15 0 6.93 0.00 0.70 0.01 0.05 92.31 02:00:15 1 5.85 0.00 0.60 0.01 0.04 93.49 Average: all 2.84 0.00 0.45 0.22 0.02 96.47 Average: 0 2.85 0.00 0.47 0.21 0.02 96.45 Average: 1 2.84 0.00 0.43 0.23 0.02 96.49