---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6507 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 745 5304 4 2179 7195 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:b9:51:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81139sec preferred_lft 81139sec inet6 fe80::f816:3eff:feb9:51df/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-6507) 03/21/26 _x86_64_ (2 CPU) 00:40:56 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 1.44 0.01 1.42 0.02 0.05 17.77 646.03 01:10:08 1.81 0.32 1.46 0.03 40.07 71.68 1.45 01:20:01 1.19 0.00 1.19 0.00 0.01 14.37 0.24 01:30:08 1.52 0.00 1.51 0.01 0.00 18.42 645.44 01:40:08 13.90 0.00 1.35 12.55 0.15 16.00 109132.09 01:50:01 22.83 3.05 17.54 2.24 230.27 3113.27 634.16 02:00:08 1.90 0.01 1.88 0.02 0.57 39.14 0.72 Average: 6.33 0.48 3.73 2.12 38.28 464.24 15837.85 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6275512 7526324 294032 3.62 30768 1425880 530144 5.77 447556 1187428 208 01:10:08 6241960 7521736 298040 3.66 31156 1454068 530408 5.78 459872 1204624 192 01:20:01 6249772 7530036 289752 3.56 31312 1454392 530556 5.78 459816 1205104 164 01:30:08 6245760 7526576 293160 3.60 31508 1454720 530620 5.78 459860 1205632 172 01:40:08 6245312 7526816 292904 3.60 31684 1455220 530652 5.78 460084 1206152 172 01:50:01 5350680 7458216 313476 3.85 85044 2186824 561696 6.12 548104 1945556 2436 02:00:08 5243128 7353076 418612 5.15 85176 2189188 655464 7.14 607624 1948072 200 Average: 5978875 7491826 314282 3.86 46664 1660042 552791 6.02 491845 1414653 506 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 1.25 0.15 0.26 0.14 0.00 0.00 0.00 0.00 01:10:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.86 0.37 3.64 0.69 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.53 0.10 0.29 0.08 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.25 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.36 0.09 0.10 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 62.05 42.32 298.51 11.15 0.00 0.00 0.00 0.00 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 12.80 9.18 37.02 1.37 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 11.06 7.40 48.04 1.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6507) 03/21/26 _x86_64_ (2 CPU) 00:40:56 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.33 0.00 0.18 0.01 0.02 99.45 01:00:08 0 0.33 0.00 0.18 0.02 0.02 99.45 01:00:08 1 0.34 0.00 0.18 0.01 0.02 99.44 01:10:08 all 0.38 0.00 0.12 0.02 0.02 99.46 01:10:08 0 0.32 0.00 0.10 0.01 0.02 99.55 01:10:08 1 0.43 0.00 0.14 0.03 0.03 99.37 01:20:01 all 0.20 0.00 0.06 0.01 0.03 99.69 01:20:01 0 0.04 0.00 0.08 0.00 0.04 99.83 01:20:01 1 0.36 0.00 0.04 0.02 0.02 99.55 01:30:08 all 0.26 0.00 0.16 0.02 0.03 99.54 01:30:08 0 0.06 0.00 0.19 0.02 0.04 99.69 01:30:08 1 0.46 0.00 0.13 0.01 0.02 99.39 01:40:08 all 0.23 0.00 0.08 0.04 0.03 99.63 01:40:08 0 0.05 0.00 0.11 0.06 0.03 99.75 01:40:08 1 0.41 0.00 0.04 0.01 0.02 99.51 01:50:01 all 10.74 0.00 1.70 0.60 0.05 86.92 01:50:01 0 10.70 0.00 1.70 0.87 0.05 86.67 01:50:01 1 10.78 0.00 1.69 0.33 0.04 87.17 02:00:08 all 1.02 0.00 0.31 0.01 0.06 98.59 02:00:08 0 0.89 0.00 0.31 0.00 0.06 98.73 02:00:08 1 1.15 0.00 0.32 0.02 0.06 98.44 Average: all 1.86 0.00 0.37 0.10 0.03 97.63 Average: 0 1.75 0.00 0.38 0.14 0.04 97.69 Average: 1 1.97 0.00 0.36 0.06 0.03 97.58