---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34429 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 776 5158 4 2298 7165 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:d0:3e:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82036sec preferred_lft 82036sec inet6 fe80::f816:3eff:fed0:3ec1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34429) 07/10/26 _x86_64_ (2 CPU) 01:58:00 LINUX RESTART (2 CPU) 02:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.21 0.03 1.18 0.00 1.25 14.74 0.12 02:20:44 13.03 0.01 1.32 11.70 0.20 16.09 101951.55 02:30:04 1.94 0.27 1.64 0.03 34.31 81.36 700.34 02:40:01 1.16 0.00 1.15 0.02 0.00 14.19 1.21 02:50:44 1.35 0.00 1.33 0.02 0.00 15.98 1.23 03:00:04 1.64 0.00 1.61 0.03 0.00 19.97 934.46 03:10:01 29.12 2.91 23.00 3.20 227.47 3771.93 2140.33 Average: 7.16 0.46 4.44 2.26 37.15 559.25 16130.29 02:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6293564 7544376 275896 3.39 30596 1425844 529380 5.77 444848 1187392 144 02:20:44 6293316 7544748 275516 3.39 30804 1426248 529380 5.77 445044 1187976 124 02:30:04 6247332 7526252 293488 3.61 31148 1453032 529516 5.77 454320 1206000 216 02:40:01 6247092 7526548 293212 3.61 31356 1453332 529580 5.77 454672 1206532 244 02:50:44 6254680 7534732 285048 3.51 31576 1453692 529704 5.77 454996 1207116 124 03:00:04 6252920 7533644 286084 3.52 31780 1454152 529872 5.77 455788 1207644 328 03:10:01 5331296 7377540 398952 4.91 88612 2126416 636020 6.93 638956 1891140 26044 Average: 6131457 7512549 301171 3.70 39410 1541817 544779 5.93 478375 1299114 3889 02:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.83 0.04 0.18 0.01 0.00 0.00 0.00 0.00 02:20:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:44 ens3 0.39 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 0.88 0.23 11.66 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.57 0.09 1.18 0.05 0.00 0.00 0.00 0.00 02:50:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:44 ens3 0.43 0.11 0.15 0.07 0.00 0.00 0.00 0.00 03:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:04 ens3 0.48 0.21 0.13 0.62 0.00 0.00 0.00 0.00 03:10:01 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 138.27 111.05 399.20 36.51 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 20.32 15.90 58.60 5.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34429) 07/10/26 _x86_64_ (2 CPU) 01:58:00 LINUX RESTART (2 CPU) 02:00:04 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.25 0.00 0.08 0.02 0.03 99.62 02:10:01 0 0.43 0.00 0.06 0.02 0.02 99.47 02:10:01 1 0.07 0.00 0.10 0.02 0.03 99.78 02:20:44 all 0.27 0.00 0.09 0.03 0.03 99.59 02:20:44 0 0.46 0.00 0.07 0.01 0.02 99.43 02:20:44 1 0.07 0.00 0.10 0.04 0.03 99.75 02:30:04 all 0.40 0.00 0.21 0.02 0.03 99.34 02:30:04 0 0.48 0.00 0.19 0.00 0.03 99.30 02:30:04 1 0.32 0.00 0.23 0.04 0.03 99.37 02:40:01 all 0.26 0.00 0.07 0.02 0.03 99.62 02:40:01 0 0.45 0.00 0.05 0.01 0.02 99.47 02:40:01 1 0.06 0.00 0.10 0.04 0.03 99.77 02:50:44 all 0.27 0.00 0.07 0.03 0.03 99.59 02:50:44 0 0.08 0.00 0.09 0.04 0.03 99.77 02:50:44 1 0.47 0.00 0.06 0.03 0.02 99.42 03:00:04 all 0.26 0.00 0.18 0.01 0.02 99.52 03:00:04 0 0.12 0.00 0.18 0.02 0.03 99.65 03:00:04 1 0.40 0.00 0.17 0.01 0.02 99.39 03:10:01 all 21.15 0.00 2.17 0.74 0.07 75.86 03:10:01 0 29.84 0.00 2.73 1.01 0.08 66.34 03:10:01 1 12.48 0.00 1.62 0.46 0.07 85.37 Average: all 3.24 0.00 0.41 0.12 0.03 96.19 Average: 0 4.52 0.00 0.48 0.16 0.03 94.82 Average: 1 1.97 0.00 0.34 0.09 0.03 97.57