---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11916 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 799 5074 4 2365 7142 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:74:68:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7499sec preferred_lft 7499sec inet6 fe80::f816:3eff:fe74:6893/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11916) 05/09/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:19 1.88 0.01 1.85 0.02 0.79 21.55 420.16 00:20:19 1.87 0.11 1.73 0.03 3.05 23.87 361.95 00:30:01 1.78 0.00 1.76 0.01 0.00 19.17 222.98 00:40:19 22.21 2.92 17.13 2.16 219.69 3090.29 871.81 00:50:01 1.63 0.00 1.62 0.00 0.00 60.72 0.03 01:00:19 2.16 0.00 2.09 0.06 0.34 121.64 175.42 Average: 5.34 0.52 4.43 0.39 38.20 568.72 346.47 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:19 6090060 7489140 319808 3.93 57588 1537396 576876 6.28 495396 1312108 220 00:20:19 6107320 7468328 340556 4.19 57724 1499128 574632 6.26 494164 1273760 228 00:30:01 6108552 7470012 338792 4.17 57840 1499452 574696 6.26 494212 1274200 260 00:40:19 5179824 7379620 381652 4.69 106224 2248820 677448 7.38 627052 2026688 1252 00:50:01 5163012 7374608 386716 4.76 106296 2260528 690440 7.52 631276 2038488 348 01:00:19 5125444 7366220 394804 4.85 106520 2289324 694892 7.57 634968 2067396 1992 Average: 5629035 7424655 360388 4.43 82032 1889108 631497 6.88 562845 1665440 717 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:19 ens3 0.26 0.07 0.08 0.04 0.00 0.00 0.00 0.00 00:20:19 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:19 ens3 0.22 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.51 0.14 0.17 0.10 0.00 0.00 0.00 0.00 00:40:19 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:40:19 ens3 60.77 45.20 294.54 12.64 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 37.69 31.53 8.00 3.95 0.00 0.00 0.00 0.00 01:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 43.26 42.53 9.40 5.85 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 23.99 20.10 53.22 3.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11916) 05/09/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:19 all 0.23 0.00 0.11 0.01 0.03 99.61 00:10:19 0 0.40 0.00 0.09 0.02 0.02 99.47 00:10:19 1 0.06 0.00 0.13 0.01 0.04 99.76 00:20:19 all 0.65 0.00 0.21 0.01 0.03 99.10 00:20:19 0 0.86 0.00 0.22 0.02 0.02 98.88 00:20:19 1 0.43 0.00 0.20 0.01 0.04 99.32 00:30:01 all 0.24 0.00 0.16 0.01 0.03 99.56 00:30:01 0 0.16 0.00 0.15 0.01 0.03 99.65 00:30:01 1 0.32 0.00 0.17 0.01 0.03 99.47 00:40:19 all 11.42 0.00 1.64 0.47 0.06 86.40 00:40:19 0 11.34 0.00 1.71 0.42 0.06 86.47 00:40:19 1 11.51 0.00 1.57 0.53 0.05 86.34 00:50:01 all 6.58 0.00 0.47 0.01 0.07 92.87 00:50:01 0 5.22 0.00 0.41 0.01 0.07 94.30 00:50:01 1 7.94 0.00 0.52 0.02 0.07 91.45 01:00:19 all 8.38 0.01 0.58 0.02 0.07 90.94 01:00:19 0 8.75 0.00 0.62 0.02 0.08 90.53 01:00:19 1 8.01 0.01 0.54 0.02 0.07 91.34 Average: all 4.62 0.00 0.53 0.09 0.05 94.70 Average: 0 4.51 0.00 0.54 0.08 0.05 94.82 Average: 1 4.74 0.00 0.53 0.10 0.05 94.58