---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22031 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 758 5210 4 2265 7183 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:1a:3e:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81617sec preferred_lft 81617sec inet6 fe80::f816:3eff:fe1a:3eef/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-22031) 06/01/26 _x86_64_ (2 CPU) 00:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 14.46 0.04 1.73 12.69 3.14 20.94 110660.76 00:20:01 1.60 0.11 1.47 0.02 3.49 18.65 310.40 00:30:07 1.58 0.00 1.57 0.01 0.00 19.23 646.54 00:40:01 23.75 3.05 18.43 2.28 229.12 3460.07 506.99 00:50:01 1.30 0.00 1.29 0.02 0.00 21.66 1.13 Average: 8.48 0.64 4.87 2.98 46.74 702.02 22253.28 00:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6251640 7531188 288216 3.54 31280 1453432 719176 7.83 462164 1205864 272 00:20:01 6230764 7510988 308308 3.79 31608 1453688 718336 7.82 462300 1206240 152 00:30:07 6245440 7526360 292840 3.60 31796 1454180 718472 7.83 461776 1206792 216 00:40:01 5213720 7410888 356208 4.38 86748 2270896 819952 8.93 596960 2033344 244 00:50:01 5156684 7355848 411272 5.06 86904 2272768 837000 9.12 606188 2035372 160 Average: 5819650 7467054 331369 4.07 53667 1780993 762587 8.31 517878 1537522 209 00:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.45 0.08 0.09 0.04 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.26 0.05 0.05 0.02 0.00 0.00 0.00 0.00 00:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:07 ens3 0.41 0.20 0.12 0.50 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 65.71 45.63 319.53 11.69 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 13.53 10.36 72.50 1.12 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.96 11.19 77.93 2.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22031) 06/01/26 _x86_64_ (2 CPU) 00:00:07 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.32 0.00 0.13 0.05 0.02 99.47 00:10:01 0 0.18 0.00 0.14 0.06 0.02 99.60 00:10:01 1 0.47 0.00 0.12 0.05 0.02 99.35 00:20:01 all 0.47 0.00 0.20 0.02 0.02 99.29 00:20:01 0 0.61 0.00 0.19 0.00 0.02 99.18 00:20:01 1 0.32 0.00 0.22 0.04 0.02 99.40 00:30:07 all 0.34 0.00 0.17 0.02 0.02 99.46 00:30:07 0 0.31 0.00 0.16 0.01 0.01 99.50 00:30:07 1 0.37 0.00 0.17 0.02 0.02 99.42 00:40:01 all 11.95 0.00 1.76 0.62 0.04 85.62 00:40:01 0 9.30 0.00 1.41 0.65 0.04 88.60 00:40:01 1 14.61 0.00 2.11 0.60 0.05 82.64 00:50:01 all 0.87 0.00 0.20 0.02 0.04 98.88 00:50:01 0 0.89 0.00 0.15 0.01 0.03 98.92 00:50:01 1 0.84 0.00 0.26 0.02 0.05 98.83 Average: all 2.77 0.00 0.49 0.15 0.03 96.57 Average: 0 2.24 0.00 0.41 0.15 0.02 97.18 Average: 1 3.29 0.00 0.57 0.15 0.03 95.96