---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21773 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 818 4939 4 2484 7123 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:34:dd:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79528sec preferred_lft 79528sec inet6 fe80::f816:3eff:fe34:dd54/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21773) 05/31/26 _x86_64_ (2 CPU) 00:11:07 LINUX RESTART (2 CPU) 00:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:00 1.52 0.01 1.48 0.03 0.05 22.80 1.31 00:40:00 1.28 0.00 1.26 0.02 0.00 18.19 1.09 00:50:00 1.23 0.00 1.23 0.01 0.00 18.28 0.36 01:00:00 1.48 0.00 1.46 0.02 0.00 22.32 0.23 01:10:00 1.86 0.26 1.57 0.04 32.03 80.33 0.88 01:20:00 15.07 0.00 1.55 13.52 0.15 25.36 106510.14 01:30:00 1.67 0.00 1.63 0.05 0.00 25.03 1.03 01:40:00 1.27 0.00 1.27 0.00 0.00 19.24 0.00 01:50:00 1.32 0.00 1.32 0.00 0.00 20.01 0.00 02:00:00 1.65 0.00 1.63 0.02 0.00 24.32 0.23 Average: 2.84 0.03 1.44 1.37 3.22 27.59 10651.35 00:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:00 5208928 7378992 389220 4.79 86232 2244824 638076 6.95 609032 2015708 160 00:40:00 5215256 7386568 381612 4.69 86420 2245888 639296 6.96 610240 2016960 144 00:50:00 5212736 7385428 382752 4.71 86556 2247136 639432 6.96 611280 2018340 156 01:00:00 5205432 7379572 388592 4.78 86724 2248408 639380 6.96 611284 2019792 136 01:10:00 5163880 7366404 401628 4.94 87048 2276396 641572 6.99 621796 2038900 196 01:20:00 5163632 7368568 399384 4.91 87288 2278552 641572 6.99 621952 2041268 124 01:30:00 5174040 7380800 387184 4.76 87480 2280180 641640 6.99 622016 2043084 160 01:40:00 5172792 7380968 387020 4.76 87636 2281436 641708 6.99 622052 2044500 124 01:50:00 5171280 7380984 387008 4.76 87784 2282816 641708 6.99 622236 2046028 148 02:00:00 5163264 7374396 393540 4.84 87904 2284136 641708 6.99 622048 2047452 124 Average: 5185124 7378268 389794 4.79 87107 2266977 640609 6.98 617394 2033203 147 00:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 0.75 0.22 0.15 0.10 0.00 0.00 0.00 0.00 00:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:00 ens3 1.26 0.23 0.32 0.16 0.00 0.00 0.00 0.00 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 2.63 0.24 0.45 0.16 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.88 0.11 0.14 0.05 0.00 0.00 0.00 0.00 01:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 1.13 0.29 7.34 0.05 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.71 0.10 0.13 0.05 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.75 0.14 0.18 0.09 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.53 0.12 0.14 0.07 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.62 0.26 0.17 0.11 0.00 0.00 0.00 0.00 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 3.54 0.31 0.55 0.15 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.28 0.20 0.96 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21773) 05/31/26 _x86_64_ (2 CPU) 00:11:07 LINUX RESTART (2 CPU) 00:20:00 CPU %user %nice %system %iowait %steal %idle 00:30:00 all 0.66 0.00 0.21 0.01 0.07 99.04 00:30:00 0 0.51 0.00 0.21 0.02 0.06 99.20 00:30:00 1 0.82 0.00 0.22 0.01 0.07 98.89 00:40:00 all 0.59 0.00 0.12 0.01 0.07 99.21 00:40:00 0 0.55 0.00 0.09 0.02 0.05 99.29 00:40:00 1 0.63 0.00 0.15 0.00 0.09 99.13 00:50:00 all 0.59 0.00 0.12 0.01 0.07 99.22 00:50:00 0 0.58 0.00 0.11 0.01 0.07 99.23 00:50:00 1 0.59 0.00 0.13 0.01 0.07 99.20 01:00:00 all 0.64 0.00 0.20 0.01 0.08 99.07 01:00:00 0 0.76 0.00 0.25 0.00 0.11 98.88 01:00:00 1 0.53 0.00 0.16 0.02 0.04 99.26 01:10:00 all 0.83 0.00 0.13 0.02 0.07 98.95 01:10:00 0 0.68 0.00 0.14 0.01 0.09 99.08 01:10:00 1 0.97 0.00 0.12 0.03 0.06 98.82 01:20:00 all 0.67 0.00 0.12 0.03 0.08 99.09 01:20:00 0 0.60 0.00 0.14 0.04 0.08 99.14 01:20:00 1 0.74 0.00 0.11 0.02 0.08 99.05 01:30:00 all 0.67 0.00 0.20 0.01 0.08 99.04 01:30:00 0 0.78 0.00 0.23 0.01 0.11 98.87 01:30:00 1 0.56 0.00 0.17 0.02 0.05 99.21 01:40:00 all 0.61 0.00 0.12 0.01 0.08 99.19 01:40:00 0 0.68 0.00 0.12 0.01 0.10 99.09 01:40:00 1 0.53 0.00 0.11 0.01 0.07 99.28 01:50:00 all 0.61 0.00 0.11 0.01 0.08 99.18 01:50:00 0 0.55 0.00 0.11 0.01 0.07 99.26 01:50:00 1 0.68 0.00 0.12 0.01 0.09 99.10 02:00:00 all 0.65 0.00 0.22 0.01 0.08 99.04 02:00:00 0 0.62 0.00 0.19 0.01 0.05 99.13 02:00:00 1 0.68 0.00 0.25 0.01 0.11 98.95 Average: all 0.65 0.00 0.15 0.01 0.08 99.10 Average: 0 0.63 0.00 0.16 0.01 0.08 99.12 Average: 1 0.67 0.00 0.15 0.01 0.07 99.09