---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10571 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 767 5229 4 2240 7174 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:df:64:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81562sec preferred_lft 81562sec inet6 fe80::f816:3eff:fedf:64fb/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-10571) 05/03/26 _x86_64_ (2 CPU) 01:57:00 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 15.75 13.57 2.13 0.05 152.37 47.17 6.49 02:20:00 1.39 0.01 1.38 0.00 0.05 16.44 0.12 02:30:01 1.54 0.00 1.52 0.01 0.00 17.99 648.87 02:40:10 1.29 0.00 1.27 0.02 0.00 15.60 1.30 02:50:00 23.46 3.07 18.08 2.30 231.50 3227.62 533.25 03:00:01 2.07 0.26 1.76 0.05 31.98 77.01 2.09 03:10:10 1.20 0.00 1.20 0.00 0.00 14.88 0.12 Average: 6.60 2.40 3.86 0.34 58.73 479.36 168.72 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6238680 7541704 269584 3.31 34540 1465848 519288 5.66 442176 1230872 124 02:20:00 6238428 7541980 269292 3.31 34728 1466180 519432 5.66 442276 1231392 124 02:30:01 6228116 7532208 278952 3.43 34900 1466508 519428 5.66 442284 1231892 124 02:40:10 6228116 7532784 278356 3.42 35128 1466860 519580 5.66 444924 1232460 184 02:50:00 5248740 7394372 368328 4.53 88248 2213360 648928 7.07 598228 1986536 124 03:00:01 5186708 7359100 403400 4.96 88548 2239756 648992 7.07 607568 2004024 196 03:10:10 5186468 7359376 403196 4.96 88696 2240128 648992 7.07 607708 2004544 288 Average: 5793608 7465932 324444 3.99 57827 1794091 574949 6.26 512166 1560246 166 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 1.21 0.03 0.10 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.51 0.03 0.08 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 0.36 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:10 ens3 0.54 0.11 0.15 0.07 0.00 0.00 0.00 0.00 02:50:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:50:00 ens3 63.68 44.60 307.76 11.55 0.00 0.00 0.00 0.00 03:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 2.33 0.37 3.37 0.08 0.00 0.00 0.00 0.00 03:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:10 ens3 0.71 0.14 0.11 0.03 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 9.73 6.35 43.68 1.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10571) 05/03/26 _x86_64_ (2 CPU) 01:57:00 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.23 0.22 0.16 0.41 0.03 98.95 02:10:00 0 0.07 0.08 0.13 0.20 0.04 99.49 02:10:00 1 0.40 0.35 0.19 0.62 0.03 98.41 02:20:00 all 0.28 0.00 0.07 0.04 0.03 99.59 02:20:00 0 0.07 0.00 0.10 0.07 0.04 99.72 02:20:00 1 0.49 0.00 0.04 0.00 0.02 99.45 02:30:01 all 0.29 0.00 0.16 0.03 0.04 99.48 02:30:01 0 0.10 0.00 0.18 0.06 0.04 99.62 02:30:01 1 0.48 0.00 0.15 0.01 0.03 99.34 02:40:10 all 0.29 0.00 0.07 0.09 0.03 99.53 02:40:10 0 0.42 0.00 0.07 0.06 0.03 99.42 02:40:10 1 0.15 0.00 0.07 0.13 0.03 99.63 02:50:00 all 11.05 0.00 1.73 2.11 0.06 85.05 02:50:00 0 10.23 0.00 1.64 2.10 0.06 85.97 02:50:00 1 11.86 0.00 1.82 2.12 0.06 84.14 03:00:01 all 0.52 0.00 0.24 0.09 0.06 99.09 03:00:01 0 0.36 0.00 0.26 0.07 0.07 99.24 03:00:01 1 0.68 0.00 0.22 0.11 0.05 98.95 03:10:10 all 0.39 0.00 0.12 0.04 0.05 99.40 03:10:10 0 0.41 0.00 0.08 0.00 0.03 99.47 03:10:10 1 0.36 0.00 0.16 0.08 0.07 99.32 Average: all 1.83 0.03 0.36 0.40 0.04 97.34 Average: 0 1.64 0.01 0.35 0.36 0.04 97.60 Average: 1 2.02 0.05 0.37 0.43 0.04 97.08