---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3749 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: 5600.00 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 769 5282 4 2179 7172 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:52:78:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81879sec preferred_lft 81879sec inet6 fe80::f816:3eff:fe52:78c7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3749) 04/17/26 _x86_64_ (2 CPU) 01:48:08 LINUX RESTART (2 CPU) 01:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.46 0.03 1.42 0.01 1.26 17.62 444.53 02:10:35 1.82 0.30 1.50 0.01 36.94 69.58 0.30 02:20:15 1.31 0.01 1.30 0.00 1.10 15.59 0.18 02:30:01 14.28 0.00 1.39 12.88 0.15 17.12 112200.69 02:40:35 1.31 0.00 1.29 0.02 0.00 15.51 1.25 02:50:05 1.20 0.00 1.18 0.02 0.00 14.43 1.26 03:00:01 23.21 3.20 17.76 2.25 233.79 3180.07 612.62 Average: 6.32 0.51 3.68 2.13 39.18 473.86 15846.10 01:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6287048 7536728 283532 3.49 30612 1424872 530332 5.78 442748 1187140 124 02:10:35 6242420 7521008 298688 3.67 30984 1453036 729588 7.95 459788 1204612 132 02:20:15 6245684 7525108 294732 3.62 31164 1453676 530404 5.78 454304 1205120 124 02:30:01 6266416 7546408 273384 3.36 31364 1454016 530396 5.78 454340 1205632 372 02:40:35 6267040 7547604 272180 3.35 31564 1454380 530540 5.78 454832 1206196 128 02:50:05 6261748 7542920 276856 3.40 31748 1454800 530732 5.78 453628 1206672 220 03:00:01 5339016 7453864 317600 3.91 85896 2193132 555684 6.05 550676 1953408 264 Average: 6129910 7524806 288139 3.54 39047 1555416 562525 6.13 467188 1309826 195 01:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.13 0.08 0.13 0.04 0.00 0.00 0.00 0.00 02:10:35 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:35 ens3 0.62 0.22 2.93 0.03 0.00 0.00 0.00 0.00 02:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 0.34 0.04 0.18 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.30 0.06 0.25 0.02 0.00 0.00 0.00 0.00 02:40:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:35 ens3 0.36 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 0.58 0.25 0.19 0.62 0.00 0.00 0.00 0.00 03:00:01 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 45.36 28.81 298.01 7.76 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 6.92 4.20 42.92 1.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3749) 04/17/26 _x86_64_ (2 CPU) 01:48:08 LINUX RESTART (2 CPU) 01:50:12 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.28 0.00 0.16 0.03 0.03 99.50 02:00:01 0 0.34 0.00 0.15 0.04 0.03 99.44 02:00:01 1 0.21 0.00 0.18 0.01 0.04 99.56 02:10:35 all 0.37 0.00 0.10 0.03 0.03 99.47 02:10:35 0 0.36 0.00 0.11 0.05 0.03 99.44 02:10:35 1 0.38 0.00 0.09 0.01 0.03 99.49 02:20:15 all 0.24 0.00 0.08 0.02 0.03 99.64 02:20:15 0 0.06 0.00 0.09 0.04 0.03 99.78 02:20:15 1 0.42 0.00 0.06 0.00 0.02 99.49 02:30:01 all 0.29 0.00 0.17 0.06 0.02 99.45 02:30:01 0 0.07 0.00 0.18 0.10 0.03 99.62 02:30:01 1 0.51 0.00 0.16 0.02 0.02 99.28 02:40:35 all 0.24 0.00 0.07 0.07 0.02 99.59 02:40:35 0 0.35 0.00 0.07 0.05 0.02 99.51 02:40:35 1 0.12 0.00 0.07 0.10 0.02 99.68 02:50:05 all 0.30 0.00 0.08 0.04 0.02 99.56 02:50:05 0 0.35 0.00 0.08 0.00 0.02 99.55 02:50:05 1 0.25 0.00 0.08 0.07 0.02 99.58 03:00:01 all 11.25 0.00 1.75 0.79 0.04 86.17 03:00:01 0 11.37 0.00 1.87 0.96 0.04 85.75 03:00:01 1 11.12 0.00 1.62 0.62 0.04 86.59 Average: all 1.84 0.00 0.34 0.15 0.03 97.64 Average: 0 1.84 0.00 0.36 0.18 0.03 97.59 Average: 1 1.85 0.00 0.32 0.12 0.03 97.68