---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31751 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 797 5110 4 2334 7144 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:fc:15:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81969sec preferred_lft 81969sec inet6 fe80::f816:3eff:fefc:1584/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31751) 06/30/26 _x86_64_ (2 CPU) 01:46:35 LINUX RESTART (2 CPU) 01:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:02 1.47 0.03 1.43 0.01 1.27 17.60 448.26 02:10:12 1.51 0.03 1.46 0.02 2.16 17.35 0.88 02:20:18 1.38 0.00 1.36 0.02 0.01 15.91 1.19 02:30:01 14.52 0.00 1.58 12.93 0.15 18.43 112797.74 02:40:18 1.90 0.24 1.63 0.03 30.12 74.59 1.23 02:50:18 15.63 13.54 2.01 0.07 152.17 45.47 118.50 03:00:01 31.21 3.15 24.29 3.78 237.76 3783.34 3010.48 Average: 9.52 2.43 4.75 2.35 59.94 555.02 16221.67 01:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:02 6294284 7545676 274376 3.37 30612 1426388 533964 5.82 449592 1187548 276 02:10:12 6280672 7533276 286772 3.53 30840 1427360 534100 5.82 450224 1188188 144 02:20:18 6279820 7532980 287060 3.53 31060 1427688 534100 5.82 450240 1188736 136 02:30:01 6271228 7524972 295036 3.63 31248 1428060 534108 5.82 450392 1189268 156 02:40:18 6243724 7524704 294880 3.63 31644 1454544 732508 7.98 465160 1207256 172 02:50:18 6182328 7520788 289656 3.56 35836 1499480 534232 5.82 461148 1255464 232 03:00:01 5307604 7385440 381636 4.69 93236 2144904 647532 7.05 623836 1911668 12640 Average: 6122809 7509691 301345 3.71 40639 1544061 578649 6.30 478656 1304018 1965 01:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 1.02 0.07 0.11 0.03 0.00 0.00 0.00 0.00 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 0.43 0.06 0.06 0.02 0.00 0.00 0.00 0.00 02:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:18 ens3 1.64 0.04 9.59 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.39 0.05 0.56 0.02 0.00 0.00 0.00 0.00 02:40:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:18 ens3 0.91 0.47 3.15 0.06 0.00 0.00 0.00 0.00 02:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:18 ens3 0.40 0.17 0.11 0.41 0.00 0.00 0.00 0.00 03:00:01 lo 1.37 1.37 0.09 0.09 0.00 0.00 0.00 0.00 03:00:01 ens3 160.83 132.38 1725.98 89.79 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 23.12 18.59 242.69 12.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31751) 06/30/26 _x86_64_ (2 CPU) 01:46:35 LINUX RESTART (2 CPU) 01:50:18 CPU %user %nice %system %iowait %steal %idle 02:00:02 all 0.33 0.00 0.18 0.05 0.03 99.41 02:00:02 0 0.24 0.00 0.18 0.04 0.03 99.50 02:00:02 1 0.42 0.00 0.17 0.06 0.03 99.32 02:10:12 all 0.23 0.00 0.09 0.03 0.03 99.62 02:10:12 0 0.06 0.00 0.10 0.06 0.03 99.75 02:10:12 1 0.40 0.00 0.08 0.01 0.02 99.48 02:20:18 all 0.26 0.00 0.07 0.04 0.03 99.60 02:20:18 0 0.05 0.00 0.08 0.02 0.03 99.81 02:20:18 1 0.47 0.00 0.05 0.05 0.02 99.40 02:30:01 all 0.30 0.00 0.16 0.17 0.02 99.34 02:30:01 0 0.26 0.00 0.17 0.29 0.03 99.26 02:30:01 1 0.34 0.00 0.16 0.05 0.02 99.42 02:40:18 all 0.36 0.00 0.10 0.04 0.03 99.48 02:40:18 0 0.42 0.00 0.07 0.02 0.03 99.45 02:40:18 1 0.29 0.00 0.12 0.05 0.03 99.50 02:50:18 all 0.21 0.22 0.16 0.86 0.03 98.52 02:50:18 0 0.30 0.00 0.08 0.47 0.03 99.12 02:50:18 1 0.13 0.44 0.24 1.25 0.03 97.92 03:00:01 all 19.86 0.00 2.67 4.00 0.09 73.38 03:00:01 0 22.08 0.00 2.66 3.06 0.09 72.11 03:00:01 1 17.63 0.00 2.69 4.94 0.09 74.66 Average: all 3.00 0.03 0.48 0.72 0.04 95.73 Average: 0 3.26 0.00 0.47 0.55 0.04 95.68 Average: 1 2.74 0.06 0.49 0.90 0.04 95.77