---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-770 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 8.0G 30G 22% / 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 801 5073 4 2359 7140 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:64:5c:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82109sec preferred_lft 82109sec inet6 fe80::f816:3eff:fe64:5cb5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-770) 07/31/26 _x86_64_ (2 CPU) 01:44:33 LINUX RESTART (2 CPU) 01:50:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:23 1.46 0.01 1.44 0.01 0.05 17.53 436.51 02:10:24 1.89 0.25 1.61 0.03 30.92 76.30 1.16 02:20:23 1.42 0.00 1.41 0.01 0.01 15.86 0.60 02:30:18 1.56 0.00 1.55 0.01 0.00 18.51 439.08 02:40:23 1.37 0.00 1.37 0.00 0.00 16.56 0.00 02:50:08 27.92 3.09 22.35 2.47 236.02 3822.06 1807.58 Average: 5.84 0.55 4.88 0.41 43.69 647.62 441.01 01:50:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:23 6289332 7536696 283856 3.49 30636 1422392 521024 5.67 450372 1183548 176 02:10:24 6247556 7522284 297844 3.66 31020 1449020 721720 7.86 464868 1201796 132 02:20:23 6259848 7535112 285008 3.50 31220 1449348 721680 7.86 464816 1202324 132 02:30:18 6266300 7542144 277864 3.42 31416 1449672 721816 7.86 461652 1202844 72 02:40:23 6274112 7550612 269312 3.31 31604 1450140 722492 7.87 462908 1203364 152 02:50:08 5217412 7424808 341372 4.20 88036 2278756 777712 8.47 582076 2042532 2292 Average: 6092427 7518609 292543 3.60 40655 1583221 697741 7.60 481115 1339401 493 01:50:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:23 ens3 0.99 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:10:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:24 ens3 1.06 0.48 3.27 0.04 0.00 0.00 0.00 0.00 02:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:23 ens3 0.31 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:18 ens3 0.28 0.07 0.07 0.04 0.00 0.00 0.00 0.00 02:40:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:23 ens3 6.22 3.69 4.13 3.26 0.00 0.00 0.00 0.00 02:50:08 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 02:50:08 ens3 61.21 45.95 324.66 16.00 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.47 8.23 54.24 3.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-770) 07/31/26 _x86_64_ (2 CPU) 01:44:33 LINUX RESTART (2 CPU) 01:50:23 CPU %user %nice %system %iowait %steal %idle 02:00:23 all 0.25 0.00 0.17 3.10 0.03 96.46 02:00:23 0 0.42 0.00 0.17 6.04 0.02 93.34 02:00:23 1 0.08 0.00 0.16 0.15 0.04 99.58 02:10:24 all 0.45 0.00 0.10 0.02 0.02 99.41 02:10:24 0 0.80 0.00 0.09 0.02 0.02 99.07 02:10:24 1 0.10 0.00 0.11 0.02 0.03 99.75 02:20:23 all 0.28 0.00 0.07 0.01 0.07 99.57 02:20:23 0 0.49 0.00 0.05 0.01 0.02 99.43 02:20:23 1 0.06 0.00 0.10 0.02 0.12 99.71 02:30:18 all 0.29 0.00 0.17 0.01 0.02 99.51 02:30:18 0 0.37 0.00 0.18 0.01 0.02 99.43 02:30:18 1 0.21 0.00 0.16 0.02 0.02 99.59 02:40:23 all 0.41 0.00 0.10 0.01 0.02 99.46 02:40:23 0 0.42 0.00 0.09 0.00 0.02 99.46 02:40:23 1 0.40 0.00 0.10 0.02 0.02 99.46 02:50:08 all 12.44 0.00 1.85 16.04 0.05 69.62 02:50:08 0 13.40 0.00 1.87 18.71 0.05 65.97 02:50:08 1 11.49 0.00 1.83 13.36 0.05 73.27 Average: all 2.31 0.00 0.40 3.14 0.03 94.11 Average: 0 2.60 0.00 0.40 4.06 0.02 92.91 Average: 1 2.01 0.00 0.40 2.22 0.04 95.32