---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30998 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: 5600.00 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 8.1G 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 765 5022 4 2454 7176 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:f0:e6:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81991sec preferred_lft 81991sec inet6 fe80::f816:3eff:fef0:e6e6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30998) 06/27/26 _x86_64_ (2 CPU) 01:47:59 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:07 2.09 0.27 1.79 0.03 32.00 71.38 649.74 02:10:07 1.34 0.01 1.32 0.01 1.11 23.43 0.89 02:20:07 1.25 0.00 1.23 0.02 0.01 15.00 1.20 02:30:01 1.33 0.00 1.30 0.03 0.00 16.45 441.18 02:40:07 1.40 0.00 1.38 0.02 0.00 16.68 1.19 02:50:07 1.39 0.00 1.37 0.02 0.00 16.47 1.20 03:00:01 24.47 3.02 19.13 2.32 229.22 3531.07 1476.78 Average: 4.72 0.47 3.91 0.35 37.21 522.67 365.57 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:07 6102360 7375420 444680 5.47 30720 1447688 724552 7.89 597880 1200620 2428 02:10:07 6245956 7519888 300248 3.69 30940 1448324 526672 5.74 452232 1201172 212 02:20:07 6245256 7519724 300372 3.69 31136 1448656 526672 5.74 452284 1201700 212 02:30:01 6249048 7524048 296020 3.64 31344 1448948 526748 5.74 452404 1202200 244 02:40:07 6261028 7536740 283320 3.48 31564 1449436 527056 5.74 453992 1202780 212 02:50:07 6262652 7538900 281180 3.46 31764 1449764 527184 5.74 454676 1203308 176 03:00:01 5259752 7459864 307224 3.78 87244 2273008 553612 6.03 542420 2036468 308 Average: 6089436 7496369 316149 3.89 39245 1566546 558928 6.09 486555 1321178 542 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 2.11 0.48 3.43 0.06 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 0.48 0.05 0.06 0.02 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.73 0.04 2.35 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 0.69 0.05 0.85 0.03 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.38 0.07 0.11 0.06 0.00 0.00 0.00 0.00 02:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:07 ens3 0.54 0.26 0.15 0.59 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 106.88 74.88 327.48 17.48 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 15.84 10.74 47.35 2.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30998) 06/27/26 _x86_64_ (2 CPU) 01:47:59 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:07 all 0.34 0.00 0.20 0.02 0.04 99.40 02:00:07 0 0.35 0.00 0.16 0.01 0.03 99.44 02:00:07 1 0.33 0.00 0.23 0.03 0.04 99.36 02:10:07 all 0.24 0.00 0.08 1.95 0.04 97.68 02:10:07 0 0.40 0.00 0.08 0.13 0.04 99.36 02:10:07 1 0.09 0.00 0.08 3.78 0.04 96.01 02:20:07 all 0.26 0.00 0.07 0.03 0.04 99.61 02:20:07 0 0.05 0.00 0.09 0.06 0.04 99.77 02:20:07 1 0.47 0.00 0.05 0.00 0.03 99.45 02:30:01 all 0.22 0.00 0.16 0.02 0.04 99.57 02:30:01 0 0.10 0.00 0.17 0.03 0.04 99.66 02:30:01 1 0.33 0.00 0.15 0.00 0.04 99.48 02:40:07 all 0.25 0.00 0.06 0.01 0.04 99.63 02:40:07 0 0.11 0.00 0.08 0.01 0.04 99.76 02:40:07 1 0.40 0.00 0.05 0.02 0.03 99.51 02:50:07 all 0.25 0.00 0.07 0.01 0.04 99.63 02:50:07 0 0.08 0.00 0.09 0.01 0.05 99.79 02:50:07 1 0.43 0.00 0.05 0.01 0.03 99.48 03:00:01 all 11.96 0.00 1.85 2.83 0.05 83.30 03:00:01 0 14.17 0.00 2.06 2.88 0.05 80.84 03:00:01 1 9.75 0.00 1.65 2.77 0.06 85.77 Average: all 1.92 0.00 0.35 0.69 0.04 97.00 Average: 0 2.16 0.00 0.39 0.44 0.04 96.97 Average: 1 1.67 0.00 0.32 0.94 0.04 97.03