---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30322 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 773 5197 4 2264 7168 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:a6:28:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80544sec preferred_lft 80544sec inet6 fe80::f816:3eff:fea6:28ca/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-30322) 06/25/26 _x86_64_ (2 CPU) 00:40:24 LINUX RESTART (2 CPU) 00:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.40 0.01 1.38 0.02 0.05 17.34 443.43 01:10:09 1.29 0.00 1.28 0.02 0.00 15.44 1.20 01:20:09 1.32 0.00 1.31 0.02 0.01 15.58 1.20 01:30:01 2.09 0.26 1.79 0.04 32.49 79.71 664.11 01:40:09 1.37 0.00 1.36 0.02 0.00 16.51 1.18 01:50:08 37.24 3.01 18.47 15.76 227.72 3451.02 107218.16 02:00:01 1.38 0.00 1.36 0.02 0.00 18.21 0.23 02:10:08 1.17 0.00 1.17 0.00 0.00 14.89 0.00 Average: 5.91 0.41 3.51 1.99 32.49 453.63 13543.99 00:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6270988 7518020 302152 3.72 30704 1422204 534816 5.83 454204 1183628 128 01:10:09 6270748 7518328 301840 3.71 30920 1422532 534816 5.83 454292 1184172 144 01:20:09 6295212 7543328 276836 3.40 31124 1422860 535040 5.83 454540 1184704 204 01:30:01 6232252 7507764 311784 3.83 31528 1449480 535752 5.84 464500 1202652 124 01:40:09 6231788 7507960 311576 3.83 31728 1449932 535756 5.84 464716 1203176 124 01:50:08 5204200 7401492 365244 4.49 87000 2270676 628504 6.85 594392 2033604 124 02:00:01 5184444 7382208 384540 4.73 87136 2271028 628568 6.85 594536 2034084 144 02:10:08 5192284 7390512 376240 4.63 87244 2271376 629688 6.86 594684 2034548 148 Average: 5860240 7471202 328776 4.04 52173 1747511 570368 6.21 509483 1507571 142 00:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.59 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 0.85 0.05 5.99 0.03 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.85 0.09 1.18 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.63 0.39 3.26 0.58 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 0.39 0.08 0.11 0.05 0.00 0.00 0.00 0.00 01:50:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:08 ens3 65.69 45.16 315.35 11.18 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.94 0.27 0.26 0.05 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.56 0.16 0.08 0.03 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 8.94 5.79 40.81 1.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30322) 06/25/26 _x86_64_ (2 CPU) 00:40:24 LINUX RESTART (2 CPU) 00:50:11 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.15 0.01 0.03 99.52 01:00:01 0 0.44 0.00 0.14 0.02 0.03 99.37 01:00:01 1 0.12 0.00 0.16 0.00 0.04 99.68 01:10:09 all 0.26 0.00 0.07 0.01 0.04 99.62 01:10:09 0 0.47 0.00 0.04 0.01 0.02 99.45 01:10:09 1 0.06 0.00 0.09 0.01 0.05 99.78 01:20:09 all 0.25 0.00 0.07 0.01 0.04 99.63 01:20:09 0 0.25 0.00 0.08 0.01 0.04 99.63 01:20:09 1 0.26 0.00 0.06 0.01 0.04 99.64 01:30:01 all 0.40 0.00 0.18 0.03 0.04 99.35 01:30:01 0 0.45 0.00 0.19 0.03 0.03 99.29 01:30:01 1 0.35 0.00 0.17 0.03 0.04 99.42 01:40:09 all 0.23 0.00 0.06 0.01 0.03 99.66 01:40:09 0 0.05 0.00 0.08 0.00 0.05 99.83 01:40:09 1 0.42 0.00 0.04 0.02 0.02 99.50 01:50:08 all 11.67 0.00 1.74 0.63 0.07 85.89 01:50:08 0 11.79 0.00 1.64 0.65 0.08 85.83 01:50:08 1 11.54 0.00 1.84 0.61 0.06 85.95 02:00:01 all 0.42 0.00 0.22 0.01 0.07 99.28 02:00:01 0 0.44 0.00 0.21 0.01 0.08 99.26 02:00:01 1 0.41 0.00 0.22 0.01 0.07 99.30 02:10:08 all 0.37 0.00 0.12 0.01 0.06 99.45 02:10:08 0 0.36 0.00 0.11 0.00 0.05 99.47 02:10:08 1 0.38 0.00 0.13 0.01 0.06 99.42 Average: all 1.73 0.00 0.33 0.09 0.05 97.80 Average: 0 1.78 0.00 0.31 0.09 0.05 97.77 Average: 1 1.69 0.00 0.34 0.09 0.05 97.84