---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28230 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 778 5100 4 2363 7162 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:a5:fc:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8250sec preferred_lft 8250sec inet6 fe80::f816:3eff:fea5:fcb9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28230) 06/19/26 _x86_64_ (2 CPU) 00:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:12 1.72 0.01 1.69 0.02 0.81 20.53 216.68 00:20:01 1.65 0.11 1.51 0.03 3.11 22.17 518.28 00:30:22 1.60 0.00 1.59 0.01 0.00 18.31 0.33 00:40:00 24.66 3.10 19.20 2.36 233.71 3567.24 943.51 00:50:01 5.20 0.08 3.92 1.20 6.24 248.97 2100.80 Average: 6.82 0.64 5.47 0.71 47.21 751.88 750.57 00:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:12 6136832 7537100 271608 3.34 54232 1541956 536600 5.84 468184 1313212 124 00:20:01 6136896 7499080 309544 3.81 54372 1503684 534372 5.82 466936 1274856 172 00:30:22 6136284 7498992 309576 3.81 54508 1504048 534372 5.82 466972 1275364 208 00:40:00 5159836 7437828 318616 3.92 105508 2323852 570408 6.21 558816 2100916 128 00:50:01 5234488 7346848 418976 5.15 107256 2164888 662308 7.21 665716 1942148 18856 Average: 5760867 7463970 325664 4.00 75175 1807686 567612 6.18 525325 1581299 3898 00:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:12 ens3 0.26 0.06 0.07 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 0.15 0.06 0.03 0.02 0.00 0.00 0.00 0.00 00:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:22 ens3 0.52 0.13 0.20 0.10 0.00 0.00 0.00 0.00 00:40:00 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:40:00 ens3 107.65 78.02 334.77 19.11 0.00 0.00 0.00 0.00 00:50:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:50:01 ens3 25.10 17.65 14.57 7.02 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 26.05 18.68 67.70 5.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28230) 06/19/26 _x86_64_ (2 CPU) 00:00:12 CPU %user %nice %system %iowait %steal %idle 00:10:12 all 0.25 0.00 0.10 0.01 0.03 99.60 00:10:12 0 0.18 0.00 0.12 0.01 0.04 99.65 00:10:12 1 0.32 0.00 0.09 0.00 0.03 99.56 00:20:01 all 0.65 0.00 0.21 0.01 0.04 99.08 00:20:01 0 0.43 0.00 0.23 0.02 0.04 99.28 00:20:01 1 0.88 0.00 0.20 0.01 0.03 98.88 00:30:22 all 0.24 0.00 0.16 0.01 0.04 99.56 00:30:22 0 0.10 0.00 0.18 0.01 0.05 99.67 00:30:22 1 0.38 0.00 0.13 0.01 0.03 99.44 00:40:00 all 12.02 0.00 1.82 0.53 0.05 85.58 00:40:00 0 9.75 0.00 1.65 0.66 0.05 87.88 00:40:00 1 14.29 0.00 1.98 0.39 0.06 83.27 00:50:01 all 8.37 0.00 0.82 0.09 0.08 90.63 00:50:01 0 10.05 0.00 0.92 0.12 0.08 88.84 00:50:01 1 6.70 0.00 0.73 0.07 0.08 92.42 Average: all 4.23 0.00 0.61 0.13 0.05 94.98 Average: 0 4.04 0.00 0.61 0.16 0.05 95.14 Average: 1 4.42 0.00 0.61 0.09 0.05 94.82