---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2411 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 780 5203 4 2254 7161 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:17:ed:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81782sec preferred_lft 81782sec inet6 fe80::f816:3eff:fe17:edf0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2411) 04/13/26 _x86_64_ (2 CPU) 01:48:28 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:14 13.85 0.03 1.52 12.30 1.36 18.61 107386.36 02:10:06 1.21 0.01 1.18 0.02 0.05 14.74 1.22 02:20:15 1.15 0.00 1.13 0.02 0.01 13.97 1.18 02:30:15 1.99 0.32 1.63 0.04 40.07 74.92 436.80 02:40:15 1.24 0.00 1.23 0.01 0.00 14.98 1.08 02:50:03 16.13 14.23 1.83 0.07 170.45 75.69 15.68 03:00:06 22.83 2.60 18.00 2.23 210.79 3096.50 922.37 Average: 8.35 2.41 3.80 2.13 59.99 474.54 15840.29 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:14 6286960 7533904 286704 3.53 30556 1422084 530476 5.78 449084 1183076 132 02:10:06 6291348 7538852 281772 3.46 30772 1422420 530696 5.78 453432 1183628 172 02:20:15 6289300 7537332 283280 3.48 30976 1422744 530644 5.78 453428 1184156 180 02:30:15 6230504 7507724 312280 3.84 31380 1451116 530800 5.78 464976 1201556 128 02:40:15 6230504 7508264 311732 3.83 31580 1451452 530800 5.78 465420 1202092 132 02:50:03 6148588 7498148 312388 3.84 35872 1510552 546952 5.96 490876 1263212 292 03:00:06 5201984 7373420 389204 4.79 88916 2238348 659156 7.18 628328 2000032 208 Average: 6097027 7499663 311051 3.82 40007 1559817 551361 6.01 486506 1316822 178 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 1.52 0.07 0.20 0.03 0.00 0.00 0.00 0.00 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 0.49 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 0.25 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.42 0.20 3.07 0.03 0.00 0.00 0.00 0.00 02:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:15 ens3 0.42 0.06 0.12 0.06 0.00 0.00 0.00 0.00 02:50:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 10.72 5.22 20.42 3.09 0.00 0.00 0.00 0.00 03:00:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:06 ens3 103.63 72.66 287.49 15.25 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 16.81 11.22 44.61 2.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2411) 04/13/26 _x86_64_ (2 CPU) 01:48:28 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:14 all 0.30 0.00 0.19 0.04 0.02 99.46 02:00:14 0 0.38 0.00 0.17 0.01 0.02 99.42 02:00:14 1 0.22 0.00 0.20 0.06 0.02 99.49 02:10:06 all 0.28 0.00 0.08 0.01 0.02 99.61 02:10:06 0 0.43 0.00 0.06 0.01 0.02 99.48 02:10:06 1 0.14 0.00 0.09 0.00 0.03 99.74 02:20:15 all 0.27 0.00 0.08 0.01 0.02 99.62 02:20:15 0 0.12 0.00 0.08 0.01 0.02 99.77 02:20:15 1 0.43 0.00 0.08 0.01 0.02 99.47 02:30:15 all 0.38 0.00 0.19 0.02 0.02 99.39 02:30:15 0 0.39 0.00 0.18 0.01 0.02 99.39 02:30:15 1 0.37 0.00 0.20 0.03 0.02 99.38 02:40:15 all 0.27 0.00 0.07 0.01 0.02 99.63 02:40:15 0 0.07 0.00 0.09 0.00 0.02 99.83 02:40:15 1 0.48 0.00 0.06 0.02 0.02 99.43 02:50:03 all 0.52 0.19 0.17 0.15 0.02 98.95 02:50:03 0 0.62 0.01 0.09 0.00 0.02 99.27 02:50:03 1 0.42 0.37 0.25 0.30 0.02 98.64 03:00:06 all 13.87 0.00 2.08 0.63 0.06 83.37 03:00:06 0 13.28 0.00 1.96 0.53 0.05 84.18 03:00:06 1 14.46 0.00 2.20 0.72 0.06 82.55 Average: all 2.28 0.03 0.41 0.12 0.03 97.14 Average: 0 2.19 0.00 0.38 0.08 0.02 97.33 Average: 1 2.36 0.05 0.44 0.16 0.03 96.95