---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10540 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 780 5208 4 2249 7161 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:2e:3e:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80945sec preferred_lft 80945sec inet6 fe80::f816:3eff:fe2e:3e48/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10540) 05/03/26 _x86_64_ (2 CPU) 00:42:14 LINUX RESTART (2 CPU) 00:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:25 1.61 0.00 1.58 0.03 0.04 18.63 626.15 01:10:32 1.78 0.25 1.50 0.03 31.65 72.51 1.41 01:20:31 1.22 0.00 1.20 0.02 0.01 14.57 1.20 01:30:15 1.42 0.00 1.39 0.03 0.00 16.65 1.47 01:40:32 13.57 0.00 1.30 12.27 0.14 15.17 106107.64 01:50:05 2.76 1.36 1.36 0.03 99.91 111.78 1.30 02:00:32 20.64 1.64 16.83 2.16 126.60 2958.27 717.79 02:10:15 1.27 0.00 1.25 0.02 0.00 20.83 1.19 Average: 5.67 0.41 3.39 1.87 32.40 418.53 13778.48 00:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:25 6226256 7530648 280204 3.45 34704 1467220 520812 5.67 448532 1231176 172 01:10:32 6187508 7518888 291540 3.58 35088 1493456 522432 5.69 457788 1248720 168 01:20:31 6186752 7518696 291740 3.59 35308 1493792 522572 5.69 457992 1249268 192 01:30:15 6188920 7521396 289020 3.55 35508 1494084 522640 5.69 454152 1249768 132 01:40:32 6195000 7528220 282192 3.47 35712 1494616 522640 5.69 454496 1250348 172 01:50:05 5987952 7414056 390976 4.81 43100 1575564 616320 6.71 580472 1326184 35908 02:00:32 5192628 7368264 393548 4.84 89048 2242380 626804 6.83 603224 2005884 196 02:10:15 5156844 7334480 427368 5.26 89216 2244204 649680 7.08 617992 2007884 208 Average: 5915232 7466831 330824 4.07 49710 1688164 562988 6.13 509331 1446154 4644 00:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:25 ens3 0.96 0.08 0.13 0.03 0.00 0.00 0.00 0.00 01:10:32 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:32 ens3 1.68 0.23 9.70 0.05 0.00 0.00 0.00 0.00 01:20:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:31 ens3 0.58 0.09 0.14 0.06 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.42 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:32 ens3 0.52 0.09 0.12 0.05 0.00 0.00 0.00 0.00 01:50:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:05 ens3 16.63 9.40 53.09 4.68 0.00 0.00 0.00 0.00 02:00:32 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 02:00:32 ens3 48.21 33.43 253.00 6.83 0.00 0.00 0.00 0.00 02:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 13.44 11.90 110.44 1.08 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 10.41 6.98 53.94 1.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10540) 05/03/26 _x86_64_ (2 CPU) 00:42:14 LINUX RESTART (2 CPU) 00:50:02 CPU %user %nice %system %iowait %steal %idle 01:00:25 all 0.28 0.00 0.17 0.01 0.03 99.50 01:00:25 0 0.17 0.00 0.17 0.01 0.04 99.61 01:00:25 1 0.39 0.00 0.17 0.01 0.03 99.39 01:10:32 all 0.40 0.00 0.10 0.02 0.03 99.45 01:10:32 0 0.34 0.00 0.13 0.04 0.04 99.46 01:10:32 1 0.46 0.00 0.07 0.00 0.03 99.44 01:20:31 all 0.28 0.00 0.07 0.01 0.03 99.62 01:20:31 0 0.44 0.00 0.05 0.02 0.02 99.47 01:20:31 1 0.11 0.00 0.08 0.01 0.04 99.76 01:30:15 all 0.31 0.00 0.15 0.01 0.03 99.49 01:30:15 0 0.31 0.00 0.15 0.02 0.03 99.50 01:30:15 1 0.31 0.00 0.16 0.01 0.03 99.49 01:40:32 all 0.25 0.00 0.09 0.03 0.03 99.60 01:40:32 0 0.39 0.00 0.05 0.01 0.03 99.52 01:40:32 1 0.11 0.00 0.12 0.05 0.04 99.68 01:50:05 all 1.03 0.00 0.20 0.04 0.03 98.70 01:50:05 0 1.17 0.00 0.22 0.05 0.03 98.53 01:50:05 1 0.89 0.00 0.18 0.03 0.03 98.87 02:00:32 all 9.72 0.00 1.55 0.56 0.07 88.10 02:00:32 0 12.79 0.00 1.74 0.73 0.07 84.67 02:00:32 1 6.65 0.00 1.36 0.39 0.07 91.53 02:10:15 all 0.81 0.00 0.20 0.01 0.07 98.91 02:10:15 0 1.01 0.00 0.22 0.01 0.09 98.67 02:10:15 1 0.62 0.00 0.19 0.00 0.05 99.14 Average: all 1.68 0.00 0.32 0.09 0.04 97.87 Average: 0 2.13 0.00 0.35 0.11 0.04 97.36 Average: 1 1.22 0.00 0.30 0.07 0.04 98.38