---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31970 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 7.9G 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 770 5193 4 2270 7171 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:02:a0:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81424sec preferred_lft 81424sec inet6 fe80::f816:3eff:fe02:a026/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31970) 07/01/26 _x86_64_ (2 CPU) 01:57:12 LINUX RESTART (2 CPU) 02:00:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.34 0.03 1.31 0.00 1.29 16.29 0.12 02:20:01 1.71 0.26 1.42 0.02 31.02 74.78 1.13 02:30:00 1.43 0.00 1.40 0.03 0.00 17.86 654.73 02:40:01 1.19 0.00 1.19 0.00 0.00 14.71 0.00 02:50:01 13.80 0.00 1.26 12.53 0.15 15.83 109057.22 03:00:02 1.42 0.00 1.41 0.01 0.00 17.96 870.53 03:10:00 1.22 0.00 1.22 0.00 0.00 14.88 0.00 03:20:02 32.33 3.07 25.23 4.03 233.11 3753.92 2260.61 Average: 6.84 0.42 4.32 2.09 33.40 493.95 14175.26 02:00:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6279308 7530688 289712 3.56 30620 1426400 529160 5.76 442704 1187436 124 02:20:01 6247532 7526052 293872 3.61 31028 1452768 727584 7.92 457104 1205448 124 02:30:00 6260756 7539868 279984 3.44 31256 1453096 727652 7.93 457140 1205996 32 02:40:01 6259020 7538636 281224 3.46 31424 1453424 729320 7.94 457596 1206492 280 02:50:01 6266356 7546552 273240 3.36 31596 1453812 729396 7.94 457800 1207032 272 03:00:02 6255056 7535900 283832 3.49 31772 1454276 756608 8.24 461216 1207540 252 03:10:00 6258512 7539844 279884 3.44 31932 1454596 756712 8.24 462724 1208024 120 03:20:02 5310560 7336648 439536 5.40 90340 2104212 889684 9.69 668388 1868864 28280 Average: 6142138 7511774 302660 3.72 38746 1531573 730764 7.96 483084 1287104 3686 02:00:23 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 0.87 0.09 0.17 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.67 0.22 3.20 0.03 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 1.04 0.04 5.12 0.01 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 0.63 0.12 0.79 0.09 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.25 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:02 ens3 0.45 0.21 0.12 0.61 0.00 0.00 0.00 0.00 03:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:00 ens3 0.25 0.06 0.07 0.03 0.00 0.00 0.00 0.00 03:20:02 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 03:20:02 ens3 126.17 100.19 1684.88 86.00 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 16.39 12.71 213.22 10.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31970) 07/01/26 _x86_64_ (2 CPU) 01:57:12 LINUX RESTART (2 CPU) 02:00:23 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.28 0.00 0.09 0.01 0.03 99.59 02:10:01 0 0.10 0.00 0.10 0.01 0.03 99.76 02:10:01 1 0.46 0.00 0.09 0.01 0.02 99.42 02:20:01 all 0.37 0.00 0.11 0.02 0.03 99.46 02:20:01 0 0.39 0.00 0.14 0.03 0.03 99.41 02:20:01 1 0.36 0.00 0.08 0.01 0.03 99.52 02:30:00 all 0.25 0.00 0.16 0.01 0.03 99.54 02:30:00 0 0.43 0.00 0.13 0.01 0.02 99.41 02:30:00 1 0.07 0.00 0.19 0.01 0.05 99.68 02:40:01 all 0.30 0.00 0.07 0.01 0.04 99.58 02:40:01 0 0.33 0.00 0.06 0.01 0.03 99.57 02:40:01 1 0.27 0.00 0.08 0.01 0.04 99.59 02:50:01 all 0.24 0.00 0.08 0.04 0.03 99.61 02:50:01 0 0.13 0.00 0.08 0.01 0.04 99.75 02:50:01 1 0.36 0.00 0.08 0.06 0.03 99.46 03:00:02 all 0.24 0.00 0.17 0.03 0.03 99.53 03:00:02 0 0.37 0.00 0.16 0.05 0.03 99.39 03:00:02 1 0.12 0.00 0.18 0.00 0.03 99.67 03:10:00 all 0.24 0.00 0.06 0.19 0.03 99.49 03:10:00 0 0.05 0.00 0.08 0.35 0.03 99.49 03:10:00 1 0.42 0.00 0.04 0.02 0.02 99.50 03:20:02 all 19.72 0.00 2.57 1.41 0.07 76.23 03:20:02 0 19.04 0.00 2.47 1.18 0.07 77.24 03:20:02 1 20.40 0.00 2.67 1.64 0.07 75.22 Average: all 2.71 0.00 0.42 0.21 0.04 96.62 Average: 0 2.61 0.00 0.40 0.21 0.03 96.75 Average: 1 2.82 0.00 0.43 0.22 0.04 96.49