---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25567 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 8.2G 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 755 4975 4 2505 7186 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:34:7c:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 77918sec preferred_lft 77918sec inet6 fe80::f816:3eff:fe34:7c71/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25567) 06/07/26 _x86_64_ (2 CPU) 01:41:51 LINUX RESTART (2 CPU) 01:50:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.33 0.01 1.31 0.01 0.06 16.69 453.55 02:10:13 1.20 0.00 1.19 0.02 0.00 15.00 1.09 02:20:03 1.16 0.00 1.14 0.02 0.01 14.21 0.99 02:30:13 1.94 0.25 1.65 0.04 31.50 75.67 429.74 02:40:13 1.21 0.00 1.19 0.02 0.00 14.97 1.09 02:50:03 14.14 0.00 1.36 12.77 0.15 16.45 110967.67 03:00:01 1.55 0.00 1.54 0.01 0.00 18.92 437.22 03:10:13 25.09 2.95 19.86 2.28 223.01 3497.69 2577.74 03:20:13 1.43 0.00 1.43 0.00 0.00 17.84 0.00 03:30:01 1.52 0.00 1.50 0.02 0.00 19.75 0.26 03:40:13 1.36 0.00 1.35 0.01 0.00 232.23 0.13 03:50:13 1.44 0.00 1.43 0.01 0.00 154.99 0.09 04:00:01 1.61 0.00 1.59 0.02 0.00 21.07 0.35 Average: 4.26 0.25 2.84 1.16 20.04 323.24 8721.69 01:50:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6299060 7550356 270092 3.32 30728 1426164 531108 5.78 449188 1187596 248 02:10:13 6304916 7556744 263704 3.24 30928 1426492 531108 5.78 449152 1188124 136 02:20:03 6303656 7556008 264424 3.25 31128 1426812 531272 5.79 449380 1188644 184 02:30:13 6251292 7530756 289204 3.56 31508 1453160 531280 5.79 458424 1206296 136 02:40:13 6266020 7546132 273832 3.37 31700 1453612 532488 5.80 458516 1206812 136 02:50:03 6271816 7552492 267480 3.29 31880 1453984 532488 5.80 458636 1207336 188 03:00:01 6267940 7549140 270760 3.33 32056 1454312 532656 5.80 459080 1207840 156 03:10:13 5049356 7256508 510516 6.28 87160 2280100 770344 8.39 734020 2043172 136 03:20:13 5070560 7278252 488772 6.01 87300 2280504 726336 7.91 689276 2043716 208 03:30:01 5073524 7282036 484948 5.96 87436 2281184 752492 8.20 699300 2044404 240 03:40:13 4936500 7212096 554460 6.82 87612 2347628 821812 8.95 769136 2111024 256 03:50:13 4753616 7071684 694160 8.54 87736 2389388 938000 10.22 885264 2152908 144 04:00:01 4799664 7118368 647016 7.96 87912 2389836 951112 10.36 847952 2153528 240 Average: 5665225 7389275 406105 4.99 57314 1851014 667884 7.27 600563 1610877 185 01:50:24 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 0.73 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:13 ens3 0.30 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.43 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:30:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.38 0.20 3.08 0.03 0.00 0.00 0.00 0.00 02:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:13 ens3 0.58 0.07 0.80 0.05 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.25 0.05 0.06 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.54 0.30 0.14 0.60 0.00 0.00 0.00 0.00 03:10:13 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:13 ens3 87.88 64.64 679.02 12.56 0.00 0.00 0.00 0.00 03:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:13 ens3 30.48 27.74 457.22 1.83 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 80.52 73.13 1216.58 4.83 0.00 0.00 0.00 0.00 03:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:13 ens3 25.32 23.48 374.85 1.59 0.00 0.00 0.00 0.00 03:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:13 ens3 30.28 27.47 436.91 1.82 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 12.18 11.24 183.04 0.78 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 20.85 17.63 258.10 1.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25567) 06/07/26 _x86_64_ (2 CPU) 01:41:51 LINUX RESTART (2 CPU) 01:50:24 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.27 0.00 0.16 0.05 0.03 99.48 02:00:01 0 0.10 0.00 0.18 0.01 0.03 99.68 02:00:01 1 0.44 0.00 0.15 0.09 0.03 99.28 02:10:13 all 0.25 0.00 0.07 0.05 0.03 99.60 02:10:13 0 0.05 0.00 0.07 0.05 0.04 99.79 02:10:13 1 0.44 0.00 0.07 0.05 0.03 99.41 02:20:03 all 0.27 0.00 0.07 0.04 0.03 99.59 02:20:03 0 0.07 0.00 0.09 0.02 0.04 99.79 02:20:03 1 0.47 0.00 0.05 0.07 0.02 99.39 02:30:13 all 0.37 0.00 0.17 0.16 0.04 99.27 02:30:13 0 0.13 0.00 0.18 0.22 0.04 99.43 02:30:13 1 0.62 0.00 0.16 0.09 0.03 99.10 02:40:13 all 0.26 0.00 0.07 0.15 0.03 99.49 02:40:13 0 0.30 0.00 0.07 0.08 0.03 99.52 02:40:13 1 0.23 0.00 0.07 0.21 0.03 99.45 02:50:03 all 0.27 0.00 0.08 0.08 0.03 99.55 02:50:03 0 0.07 0.00 0.11 0.13 0.04 99.66 02:50:03 1 0.47 0.00 0.05 0.02 0.02 99.44 03:00:01 all 0.25 0.00 0.16 0.04 0.03 99.52 03:00:01 0 0.24 0.00 0.16 0.02 0.03 99.56 03:00:01 1 0.26 0.00 0.16 0.07 0.03 99.49 03:10:13 all 12.11 0.00 1.85 3.94 0.06 82.03 03:10:13 0 12.89 0.00 1.86 6.00 0.06 79.20 03:10:13 1 11.33 0.00 1.85 1.88 0.07 84.87 03:20:13 all 0.58 0.00 0.27 0.04 0.05 99.06 03:20:13 0 0.51 0.00 0.24 0.07 0.06 99.13 03:20:13 1 0.66 0.00 0.30 0.01 0.05 98.99 03:30:01 all 1.04 0.00 0.64 0.11 0.06 98.15 03:30:01 0 0.76 0.00 0.52 0.22 0.07 98.44 03:30:01 1 1.32 0.00 0.76 0.01 0.06 97.85 03:40:13 all 0.77 0.00 0.20 0.03 0.05 98.94 03:40:13 0 0.91 0.00 0.23 0.04 0.06 98.76 03:40:13 1 0.64 0.00 0.18 0.02 0.05 99.12 03:40:13 CPU %user %nice %system %iowait %steal %idle 03:50:13 all 0.70 0.00 0.26 0.04 0.06 98.93 03:50:13 0 0.70 0.00 0.26 0.06 0.06 98.92 03:50:13 1 0.71 0.00 0.26 0.03 0.06 98.95 04:00:01 all 0.54 0.00 0.30 0.03 0.06 99.07 04:00:01 0 0.56 0.00 0.21 0.04 0.05 99.14 04:00:01 1 0.52 0.00 0.38 0.02 0.07 99.01 Average: all 1.38 0.00 0.33 0.37 0.04 97.87 Average: 0 1.35 0.00 0.32 0.54 0.05 97.73 Average: 1 1.41 0.00 0.34 0.20 0.04 98.01