---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2854 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 733 5315 4 2181 7208 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:e1:34:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81468sec preferred_lft 81468sec inet6 fe80::f816:3eff:fee1:3428/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2854) 04/15/26 _x86_64_ (2 CPU) 00:41:21 LINUX RESTART (2 CPU) 00:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.51 0.01 1.49 0.01 0.05 18.65 871.77 01:10:01 1.29 0.00 1.29 0.00 0.00 15.24 0.00 01:20:02 13.87 0.00 1.33 12.53 0.16 15.74 109126.31 01:30:02 1.26 0.00 1.24 0.02 0.00 16.60 871.68 01:40:01 1.81 0.32 1.48 0.01 39.08 72.71 0.21 01:50:02 24.61 3.03 19.35 2.23 229.00 3189.56 998.21 02:00:02 1.48 0.00 1.44 0.04 0.00 23.65 1.80 Average: 6.55 0.48 3.95 2.12 38.37 479.63 15990.76 00:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6292624 7539836 280896 3.45 30696 1422168 535564 5.83 443688 1183432 240 01:10:01 6292132 7539848 280844 3.45 30864 1422500 535564 5.83 443792 1183932 200 01:20:02 6290988 7539248 281332 3.46 31032 1422868 535840 5.84 448772 1184440 156 01:30:02 6293288 7542076 278440 3.42 31216 1423196 535840 5.84 448680 1184952 248 01:40:01 6231260 7508996 310804 3.82 31560 1451424 734932 8.00 466940 1202328 240 01:50:02 5278964 7390740 381052 4.69 85000 2190888 636284 6.93 599516 1949368 204 02:00:02 5237188 7351024 420732 5.17 85164 2192784 659204 7.18 614396 1951428 440 Average: 5988063 7487395 319157 3.92 46505 1646547 596175 6.49 495112 1405697 247 00:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.71 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.37 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.43 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.28 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.73 0.38 3.18 0.59 0.00 0.00 0.00 0.00 01:50:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:02 ens3 70.49 46.74 311.45 11.55 0.00 0.00 0.00 0.00 02:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 14.77 12.49 107.40 1.13 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 12.56 8.56 60.42 1.92 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2854) 04/15/26 _x86_64_ (2 CPU) 00:41:21 LINUX RESTART (2 CPU) 00:50:02 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.30 0.00 0.19 0.03 0.03 99.45 01:00:02 0 0.40 0.00 0.16 0.02 0.03 99.40 01:00:02 1 0.21 0.00 0.22 0.04 0.03 99.51 01:10:01 all 0.24 0.00 0.08 0.02 0.03 99.63 01:10:01 0 0.43 0.00 0.06 0.02 0.02 99.47 01:10:01 1 0.06 0.00 0.10 0.02 0.04 99.79 01:20:02 all 0.28 0.00 0.08 0.04 0.03 99.57 01:20:02 0 0.49 0.00 0.06 0.01 0.02 99.42 01:20:02 1 0.07 0.00 0.10 0.07 0.04 99.72 01:30:02 all 0.28 0.00 0.17 0.03 0.03 99.49 01:30:02 0 0.29 0.00 0.16 0.00 0.03 99.51 01:30:02 1 0.27 0.00 0.17 0.07 0.03 99.47 01:40:01 all 0.36 0.00 0.11 0.05 0.03 99.46 01:40:01 0 0.38 0.00 0.10 0.04 0.03 99.45 01:40:01 1 0.34 0.00 0.12 0.05 0.03 99.47 01:50:02 all 11.12 0.00 1.71 1.78 0.06 85.33 01:50:02 0 11.14 0.00 1.65 1.49 0.06 85.65 01:50:02 1 11.10 0.00 1.77 2.07 0.06 85.01 02:00:02 all 0.87 0.00 0.30 0.03 0.06 98.73 02:00:02 0 0.67 0.00 0.24 0.04 0.05 99.00 02:00:02 1 1.08 0.00 0.36 0.03 0.06 98.47 Average: all 1.92 0.00 0.38 0.28 0.04 97.38 Average: 0 1.97 0.00 0.35 0.23 0.03 97.41 Average: 1 1.87 0.00 0.40 0.34 0.04 97.35