---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11560 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 793 5256 4 2181 7148 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:cb:60:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80295sec preferred_lft 80295sec inet6 fe80::f816:3eff:fecb:60e1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11560) 05/07/26 _x86_64_ (2 CPU) 00:35:40 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:15 1.49 0.02 1.46 0.01 1.21 17.64 0.83 01:00:17 14.57 0.26 1.79 12.52 31.05 76.85 109177.48 01:10:01 1.40 0.01 1.38 0.01 1.08 16.39 0.80 01:20:15 1.40 0.00 1.40 0.00 0.01 17.40 0.04 01:30:17 1.71 0.00 1.69 0.02 0.00 20.78 434.05 01:40:01 1.32 0.00 1.32 0.00 0.00 15.72 0.00 01:50:17 23.52 3.09 18.29 2.14 226.69 3084.16 486.26 02:00:05 1.34 0.00 1.33 0.02 0.00 17.54 0.23 02:10:01 1.33 0.00 1.32 0.00 0.00 16.83 0.11 Average: 5.42 0.38 3.38 1.65 29.59 374.11 12286.39 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:15 6268376 7514804 305604 3.76 30644 1421704 521764 5.68 446212 1183284 184 01:00:17 6236252 7509468 310340 3.82 31060 1447688 716264 7.80 460596 1200904 188 01:10:01 6243152 7517204 302640 3.72 31252 1448328 522004 5.69 455604 1201420 280 01:20:15 6242144 7516748 302924 3.72 31456 1448664 577180 6.29 461204 1201960 200 01:30:17 6240908 7516172 303524 3.73 31640 1449116 522912 5.70 456964 1202472 132 01:40:01 6240908 7516656 303036 3.73 31792 1449440 523152 5.70 457444 1202948 296 01:50:17 5272812 7391448 379836 4.67 85712 2197056 653948 7.12 610816 1958600 140 02:00:05 5257964 7377080 394216 4.85 85836 2197416 653948 7.12 610768 1959080 288 02:10:01 5263004 7382604 388528 4.78 85980 2197768 709028 7.72 615968 1959576 300 Average: 5918391 7471354 332294 4.09 49486 1695242 600022 6.54 508397 1452249 223 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:15 ens3 1.01 0.09 0.15 0.06 0.00 0.00 0.00 0.00 01:00:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:17 ens3 0.70 0.27 3.14 0.05 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 0.49 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 0.42 0.07 0.11 0.06 0.00 0.00 0.00 0.00 01:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 0.37 0.18 0.08 0.53 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.49 0.12 0.17 0.10 0.00 0.00 0.00 0.00 01:50:17 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:17 ens3 61.59 42.65 294.64 10.86 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 1.36 0.21 0.20 0.05 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.46 0.16 0.08 0.03 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.62 5.00 34.07 1.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11560) 05/07/26 _x86_64_ (2 CPU) 00:35:40 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:15 all 0.29 0.00 0.08 0.04 0.02 99.56 00:50:15 0 0.12 0.00 0.09 0.07 0.02 99.70 00:50:15 1 0.47 0.00 0.08 0.01 0.02 99.42 01:00:17 all 0.39 0.00 0.22 0.07 0.02 99.30 01:00:17 0 0.37 0.00 0.22 0.04 0.02 99.34 01:00:17 1 0.40 0.00 0.23 0.09 0.02 99.25 01:10:01 all 0.26 0.00 0.07 0.02 0.02 99.63 01:10:01 0 0.47 0.00 0.04 0.02 0.02 99.45 01:10:01 1 0.05 0.00 0.09 0.01 0.03 99.81 01:20:15 all 0.26 0.00 0.08 0.05 0.03 99.58 01:20:15 0 0.45 0.00 0.06 0.06 0.02 99.40 01:20:15 1 0.07 0.00 0.09 0.04 0.03 99.77 01:30:17 all 0.26 0.00 0.17 0.02 0.03 99.52 01:30:17 0 0.45 0.00 0.16 0.01 0.02 99.35 01:30:17 1 0.07 0.00 0.18 0.03 0.03 99.69 01:40:01 all 0.25 0.00 0.07 0.03 0.02 99.64 01:40:01 0 0.44 0.00 0.04 0.01 0.02 99.49 01:40:01 1 0.05 0.00 0.09 0.04 0.03 99.79 01:50:17 all 10.42 0.00 1.67 1.44 0.06 86.41 01:50:17 0 8.29 0.00 1.35 0.95 0.06 89.36 01:50:17 1 12.54 0.00 1.99 1.94 0.07 83.46 02:00:05 all 0.42 0.00 0.23 0.18 0.05 99.12 02:00:05 0 0.46 0.00 0.20 0.13 0.04 99.17 02:00:05 1 0.39 0.00 0.26 0.24 0.05 99.06 02:10:01 all 0.38 0.00 0.13 0.12 0.04 99.33 02:10:01 0 0.34 0.00 0.15 0.19 0.04 99.28 02:10:01 1 0.41 0.00 0.11 0.06 0.03 99.38 Average: all 1.47 0.00 0.31 0.22 0.03 97.97 Average: 0 1.29 0.00 0.26 0.17 0.03 98.25 Average: 1 1.64 0.00 0.35 0.28 0.04 97.69