---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27480 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 8.0G 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 772 5098 4 2363 7169 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:ce:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80840sec preferred_lft 80840sec inet6 fe80::f816:3eff:fe02:ce30/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27480) 06/15/26 _x86_64_ (2 CPU) 01:48:04 LINUX RESTART (2 CPU) 01:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.98 0.29 1.67 0.02 33.71 77.02 441.78 02:10:42 1.31 0.01 1.30 0.01 0.05 15.13 0.79 02:20:12 1.41 0.00 1.39 0.02 0.01 15.99 1.26 02:30:01 1.50 0.00 1.47 0.03 0.00 17.33 445.36 02:40:42 1.48 0.00 1.46 0.02 0.00 17.59 1.27 02:50:02 1.39 0.00 1.37 0.02 0.00 16.00 234.49 03:00:01 22.98 3.01 17.68 2.29 227.97 3445.50 561.93 03:10:12 1.38 0.00 1.38 0.00 0.00 52.96 0.03 Average: 4.17 0.41 3.46 0.30 32.58 456.04 206.84 01:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6261840 7535220 284808 3.50 30736 1447968 519228 5.66 454352 1200488 124 02:10:42 6260916 7534872 285140 3.51 30948 1448324 519228 5.66 454536 1201056 124 02:20:12 6265168 7539664 280308 3.45 31152 1448652 519456 5.66 454520 1201588 156 02:30:01 6262744 7537752 282192 3.47 31352 1448948 519528 5.66 454684 1202084 240 02:40:42 6256452 7532096 287760 3.54 31620 1449316 574636 6.26 460176 1202704 152 02:50:02 6259632 7535908 284020 3.49 31812 1449736 519484 5.66 455276 1203204 256 03:00:01 5183564 7386272 380856 4.68 86956 2276016 675676 7.36 616344 2039040 284 03:10:12 5173132 7387496 379708 4.67 87104 2287536 677988 7.38 618376 2050696 884 Average: 5990431 7498660 308099 3.79 45210 1657062 565653 6.16 496033 1412608 278 01:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.91 0.43 3.31 0.06 0.00 0.00 0.00 0.00 02:10:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:42 ens3 0.63 0.03 4.05 0.01 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.25 0.03 0.05 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 0.44 0.03 0.63 0.01 0.00 0.00 0.00 0.00 02:40:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:42 ens3 0.34 0.06 0.09 0.05 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.39 0.12 0.12 0.06 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 74.55 55.40 318.38 13.19 0.00 0.00 0.00 0.00 03:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:12 ens3 36.11 31.05 7.50 4.36 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 14.38 10.94 41.70 2.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27480) 06/15/26 _x86_64_ (2 CPU) 01:48:04 LINUX RESTART (2 CPU) 01:50:09 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.43 0.00 0.20 0.02 0.02 99.33 02:00:01 0 0.50 0.00 0.17 0.02 0.02 99.29 02:00:01 1 0.36 0.00 0.22 0.02 0.03 99.37 02:10:42 all 0.24 0.00 0.07 0.01 0.02 99.65 02:10:42 0 0.11 0.00 0.07 0.01 0.02 99.78 02:10:42 1 0.37 0.00 0.07 0.01 0.02 99.52 02:20:12 all 0.19 0.00 0.08 0.01 0.02 99.70 02:20:12 0 0.05 0.00 0.10 0.01 0.03 99.82 02:20:12 1 0.34 0.00 0.06 0.01 0.02 99.58 02:30:01 all 0.27 0.00 0.15 0.01 0.02 99.54 02:30:01 0 0.24 0.00 0.16 0.02 0.03 99.56 02:30:01 1 0.30 0.00 0.15 0.01 0.02 99.53 02:40:42 all 0.28 0.00 0.08 0.01 0.02 99.61 02:40:42 0 0.50 0.00 0.07 0.02 0.02 99.40 02:40:42 1 0.06 0.00 0.09 0.00 0.03 99.82 02:50:02 all 0.24 0.00 0.07 0.01 0.02 99.66 02:50:02 0 0.26 0.00 0.06 0.01 0.02 99.65 02:50:02 1 0.21 0.00 0.09 0.00 0.03 99.67 03:00:01 all 14.86 0.00 1.97 0.51 0.06 82.59 03:00:01 0 16.54 0.00 2.14 0.40 0.06 80.86 03:00:01 1 13.18 0.00 1.81 0.63 0.06 84.32 03:10:12 all 5.43 0.00 0.47 0.01 0.06 94.04 03:10:12 0 5.23 0.00 0.44 0.00 0.06 94.26 03:10:12 1 5.62 0.00 0.50 0.01 0.06 93.81 Average: all 2.74 0.00 0.39 0.07 0.03 96.77 Average: 0 2.93 0.00 0.40 0.06 0.03 96.58 Average: 1 2.55 0.00 0.37 0.09 0.03 96.96