---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21788 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 749 4845 4 2641 7192 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:b4:d6:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81091sec preferred_lft 81091sec inet6 fe80::f816:3eff:feb4:d677/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21788) 05/31/26 _x86_64_ (2 CPU) 00:11:56 LINUX RESTART (2 CPU) 00:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:12 1.61 0.01 1.59 0.01 0.05 18.99 432.57 00:40:11 19.42 3.00 14.64 1.77 225.91 2650.60 643.00 00:50:11 5.47 0.04 4.88 0.54 2.52 868.73 237.89 01:00:11 1.38 0.00 1.36 0.02 0.00 18.37 0.71 01:10:08 1.93 0.26 1.65 0.03 32.18 303.97 0.29 01:20:11 14.94 0.00 1.49 13.45 0.15 362.02 105781.54 01:30:13 1.60 0.00 1.56 0.04 0.00 43.18 0.39 Average: 6.62 0.47 3.88 2.27 37.13 608.03 15351.06 00:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:12 6280940 7525164 295812 3.64 30168 1420404 531192 5.79 444152 1182948 132 00:40:11 5231132 7348732 421264 5.18 81072 2199124 646488 7.04 601500 1967236 160824 00:50:11 5002304 7163668 605056 7.44 85392 2237704 847224 9.23 790556 2009916 196 01:00:11 5078784 7240736 527800 6.49 85548 2238128 775852 8.45 718524 2010496 224 01:10:08 4965132 7222904 544804 6.70 85800 2332924 825940 9.00 761632 2096404 272 01:20:11 4740412 7104152 661640 8.14 85956 2437296 945492 10.30 881200 2200772 208 01:30:13 4708400 7079964 685584 8.43 86124 2444832 934512 10.18 870912 2208344 236 Average: 5143872 7240760 534566 6.57 77151 2187202 786671 8.57 724068 1953731 23156 00:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:12 ens3 0.60 0.10 0.12 0.06 0.00 0.00 0.00 0.00 00:40:11 lo 1.25 1.25 0.07 0.07 0.00 0.00 0.00 0.00 00:40:11 ens3 40.31 27.59 311.18 7.26 0.00 0.00 0.00 0.00 00:50:11 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:50:11 ens3 54.96 45.92 539.08 6.06 0.00 0.00 0.00 0.00 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 34.98 32.68 536.14 2.17 0.00 0.00 0.00 0.00 01:10:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 77.83 73.11 1189.98 4.80 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 24.83 23.41 377.90 1.58 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 21.32 20.00 318.77 1.39 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 36.32 31.75 466.44 3.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21788) 05/31/26 _x86_64_ (2 CPU) 00:11:56 LINUX RESTART (2 CPU) 00:20:07 CPU %user %nice %system %iowait %steal %idle 00:30:12 all 0.27 0.00 0.16 0.06 0.02 99.48 00:30:12 0 0.36 0.00 0.17 0.09 0.02 99.36 00:30:12 1 0.19 0.00 0.16 0.03 0.03 99.59 00:40:11 all 9.85 0.00 1.42 2.61 0.04 86.08 00:40:11 0 11.51 0.00 1.42 2.29 0.04 84.74 00:40:11 1 8.18 0.00 1.42 2.94 0.05 87.42 00:50:11 all 2.58 0.00 0.60 0.44 0.06 96.33 00:50:11 0 2.66 0.00 0.52 0.39 0.05 96.38 00:50:11 1 2.51 0.00 0.68 0.48 0.06 96.27 01:00:11 all 0.64 0.00 0.35 0.04 0.05 98.92 01:00:11 0 0.66 0.00 0.41 0.06 0.06 98.81 01:00:11 1 0.61 0.00 0.30 0.01 0.04 99.03 01:10:08 all 1.27 0.00 0.55 0.10 0.05 98.03 01:10:08 0 0.75 0.00 0.23 0.07 0.04 98.91 01:10:08 1 1.79 0.00 0.86 0.14 0.07 97.14 01:20:11 all 0.73 0.00 0.21 0.08 0.06 98.92 01:20:11 0 0.82 0.00 0.27 0.08 0.07 98.76 01:20:11 1 0.64 0.00 0.16 0.08 0.04 99.07 01:30:13 all 0.51 0.00 0.32 0.03 0.06 99.09 01:30:13 0 0.60 0.00 0.34 0.03 0.05 98.98 01:30:13 1 0.42 0.00 0.30 0.02 0.06 99.20 Average: all 2.26 0.00 0.52 0.48 0.05 96.70 Average: 0 2.48 0.00 0.48 0.43 0.05 96.57 Average: 1 2.04 0.00 0.55 0.53 0.05 96.82