---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1010 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 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 770 5185 4 2279 7171 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:f9:1a:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81106sec preferred_lft 81106sec inet6 fe80::f816:3eff:fef9:1ae9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1010) 08/01/26 _x86_64_ (2 CPU) 00:43:03 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 1.66 0.01 1.62 0.03 0.05 19.52 872.77 01:10:06 1.36 0.00 1.34 0.02 0.00 15.64 1.20 01:20:06 14.48 0.26 1.66 12.57 31.13 76.71 109134.25 01:30:06 1.73 0.01 1.70 0.03 1.05 20.29 654.61 01:40:06 1.31 0.00 1.29 0.02 0.00 15.60 1.20 01:50:06 14.08 1.62 11.54 0.92 116.60 2197.73 201.80 02:00:06 11.14 1.24 8.48 1.42 109.19 1316.37 311.60 02:10:06 2.75 0.04 2.18 0.53 1.08 82.19 1555.23 Average: 6.06 0.40 3.73 1.94 32.39 468.01 14091.58 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 6297940 7545428 275412 3.39 30684 1422512 529036 5.76 447352 1183660 164 01:10:06 6297688 7545684 275116 3.38 30884 1422844 529212 5.76 447516 1184164 208 01:20:06 6252520 7527980 292180 3.59 31260 1449516 729960 7.95 462368 1202448 204 01:30:06 6249364 7525676 294400 3.62 31476 1450152 556572 6.06 461028 1202960 212 01:40:06 6249124 7526148 293940 3.61 31696 1450608 556572 6.06 463340 1203536 244 01:50:06 5425828 7365712 414344 5.09 71864 2039084 671920 7.32 603388 1815488 44828 02:00:06 5155800 7365956 400548 4.93 87416 2282324 663036 7.22 603472 2045380 228 02:10:06 5256076 7329908 445996 5.48 88552 2153240 710140 7.73 675132 1917300 62424 Average: 5898042 7466562 336492 4.14 50479 1708785 618306 6.73 520450 1469367 13564 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.92 0.09 0.13 0.04 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 1.57 0.08 0.23 0.05 0.00 0.00 0.00 0.00 01:20:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 1.79 0.57 3.49 0.16 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.94 0.25 0.16 0.66 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.92 0.12 0.18 0.07 0.00 0.00 0.00 0.00 01:50:06 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:50:06 ens3 40.34 24.06 278.43 5.73 0.00 0.00 0.00 0.00 02:00:06 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:00:06 ens3 35.27 25.82 64.04 6.18 0.00 0.00 0.00 0.00 02:10:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 17.84 14.97 103.84 3.98 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 12.45 8.25 56.31 2.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1010) 08/01/26 _x86_64_ (2 CPU) 00:43:03 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 0.27 0.00 0.16 0.01 0.02 99.53 01:00:06 0 0.18 0.00 0.17 0.01 0.02 99.62 01:00:06 1 0.37 0.00 0.16 0.01 0.02 99.45 01:10:06 all 0.25 0.00 0.08 0.01 0.02 99.65 01:10:06 0 0.22 0.00 0.08 0.00 0.02 99.68 01:10:06 1 0.27 0.00 0.08 0.02 0.02 99.62 01:20:06 all 0.37 0.00 0.11 0.04 0.02 99.46 01:20:06 0 0.34 0.00 0.14 0.07 0.02 99.43 01:20:06 1 0.40 0.00 0.08 0.02 0.02 99.48 01:30:06 all 0.27 0.00 0.15 0.01 0.02 99.55 01:30:06 0 0.43 0.00 0.13 0.01 0.02 99.41 01:30:06 1 0.12 0.00 0.16 0.01 0.02 99.69 01:40:06 all 0.22 0.00 0.07 0.01 0.02 99.69 01:40:06 0 0.11 0.00 0.08 0.01 0.02 99.78 01:40:06 1 0.32 0.00 0.06 0.01 0.01 99.60 01:50:06 all 6.28 0.00 0.90 0.31 0.03 92.48 01:50:06 0 6.05 0.00 0.85 0.22 0.03 92.86 01:50:06 1 6.52 0.00 0.94 0.41 0.03 92.10 02:00:06 all 6.33 0.00 1.04 0.19 0.05 92.39 02:00:06 0 6.13 0.00 1.00 0.20 0.05 92.62 02:00:06 1 6.53 0.00 1.08 0.18 0.05 92.17 02:10:06 all 2.10 0.00 0.32 0.03 0.04 97.50 02:10:06 0 2.81 0.00 0.42 0.01 0.05 96.71 02:10:06 1 1.40 0.00 0.23 0.06 0.03 98.29 Average: all 2.01 0.00 0.35 0.08 0.03 97.53 Average: 0 2.03 0.00 0.36 0.07 0.03 97.51 Average: 1 1.99 0.00 0.35 0.09 0.03 97.55