---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22097 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: 5600.00 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 775 5198 4 2260 7166 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:3b:7c:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81263sec preferred_lft 81263sec inet6 fe80::f816:3eff:fe3b:7ca7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22097) 06/01/26 _x86_64_ (2 CPU) 01:47:52 LINUX RESTART (2 CPU) 01:50:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.43 0.03 1.38 0.02 1.29 17.29 679.41 02:10:04 1.20 0.01 1.19 0.00 0.05 14.43 0.12 02:20:04 1.14 0.00 1.14 0.00 0.01 13.56 0.12 02:30:01 1.31 0.00 1.31 0.01 0.00 15.99 438.43 02:40:04 1.12 0.00 1.12 0.00 0.00 13.57 0.00 02:50:04 1.66 0.25 1.40 0.01 30.97 72.71 0.17 03:00:01 23.70 3.04 18.35 2.32 230.40 3450.41 534.46 03:10:04 1.29 0.00 1.27 0.02 0.00 19.83 1.17 Average: 4.10 0.42 3.39 0.30 32.82 451.77 203.72 01:50:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6288448 7534208 286132 3.52 30548 1420872 529072 5.76 445104 1183296 156 02:10:04 6288448 7534720 285636 3.51 30728 1421204 529160 5.76 445156 1183808 176 02:20:04 6296036 7542800 277544 3.41 30888 1421532 529324 5.77 445232 1184296 180 02:30:01 6295720 7542984 277388 3.41 31056 1421860 529324 5.77 445176 1184792 180 02:40:04 6302804 7550588 269776 3.32 31236 1422192 530676 5.78 445492 1185304 224 02:50:04 6234980 7509712 310200 3.81 31560 1448460 754120 8.21 462296 1203004 228 03:00:01 5166064 7358444 409128 5.03 86544 2266476 662356 7.21 616972 2030132 260 03:10:04 5134756 7329200 438372 5.39 86708 2268372 685088 7.46 631248 2032196 484 Average: 6000907 7487832 319272 3.93 44908 1636371 593640 6.47 492084 1398354 236 01:50:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.16 0.08 0.25 0.04 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 0.44 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.29 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.23 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 0.32 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.65 0.37 3.22 0.47 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 70.05 47.00 330.10 11.59 0.00 0.00 0.00 0.00 03:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:04 ens3 14.17 12.14 106.85 1.09 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 10.92 7.48 55.16 1.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22097) 06/01/26 _x86_64_ (2 CPU) 01:47:52 LINUX RESTART (2 CPU) 01:50:24 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.17 0.01 0.04 99.48 02:00:01 0 0.11 0.00 0.17 0.01 0.04 99.66 02:00:01 1 0.49 0.00 0.17 0.01 0.03 99.30 02:10:04 all 0.25 0.00 0.07 0.01 0.03 99.64 02:10:04 0 0.07 0.00 0.07 0.00 0.03 99.83 02:10:04 1 0.43 0.00 0.07 0.01 0.03 99.45 02:20:04 all 0.25 0.00 0.07 0.01 0.04 99.63 02:20:04 0 0.05 0.00 0.07 0.01 0.04 99.83 02:20:04 1 0.46 0.00 0.07 0.01 0.03 99.43 02:30:01 all 0.27 0.00 0.15 0.01 0.03 99.54 02:30:01 0 0.07 0.00 0.16 0.02 0.04 99.70 02:30:01 1 0.46 0.00 0.14 0.00 0.03 99.37 02:40:04 all 0.26 0.00 0.08 0.01 0.03 99.62 02:40:04 0 0.36 0.00 0.08 0.01 0.03 99.52 02:40:04 1 0.16 0.00 0.08 0.00 0.03 99.72 02:50:04 all 0.37 0.00 0.10 0.02 0.03 99.47 02:50:04 0 0.60 0.00 0.10 0.01 0.03 99.26 02:50:04 1 0.14 0.00 0.10 0.03 0.04 99.69 03:00:01 all 12.18 0.00 1.85 0.59 0.07 85.31 03:00:01 0 12.24 0.00 1.79 0.53 0.07 85.36 03:00:01 1 12.12 0.00 1.92 0.65 0.06 85.25 03:10:04 all 0.87 0.00 0.20 0.01 0.07 98.85 03:10:04 0 1.08 0.00 0.26 0.00 0.08 98.57 03:10:04 1 0.66 0.00 0.15 0.01 0.05 99.13 Average: all 1.84 0.00 0.34 0.08 0.04 97.70 Average: 0 1.82 0.00 0.34 0.07 0.05 97.72 Average: 1 1.86 0.00 0.34 0.09 0.04 97.67