---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30994 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 742 5221 4 2270 7199 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:e9:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82030sec preferred_lft 82030sec inet6 fe80::f816:3eff:fe1a:e964/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30994) 06/27/26 _x86_64_ (2 CPU) 01:48:11 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.57 0.02 1.53 0.01 1.24 277.63 435.93 02:10:23 1.36 0.01 1.34 0.01 0.05 279.12 0.81 02:20:01 14.50 0.01 1.47 13.03 0.17 286.14 113356.89 02:30:01 1.59 0.00 1.56 0.02 0.00 277.96 437.03 02:40:23 1.91 0.24 1.65 0.03 29.88 337.49 1.32 02:50:01 1.47 0.01 1.45 0.02 1.09 272.69 1.30 03:00:01 26.58 3.05 20.55 2.98 228.63 3912.31 3378.81 Average: 6.93 0.48 4.22 2.23 37.45 806.63 16206.86 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6278776 7525800 294852 3.63 30548 1422148 533100 5.81 443944 1183168 124 02:10:23 6286364 7533972 286560 3.52 30768 1422508 533100 5.81 444056 1183748 208 02:20:01 6285664 7533812 286560 3.52 30964 1422848 533104 5.81 444144 1184256 252 02:30:01 6282388 7531088 289272 3.56 31176 1423172 533304 5.81 446700 1184792 240 02:40:23 6249708 7525528 294284 3.62 31564 1449548 732048 7.97 460336 1202792 228 02:50:01 6260416 7537184 282672 3.48 31772 1450280 533944 5.82 455452 1203292 124 03:00:01 5355736 7373480 402636 4.95 87996 2098044 644240 7.02 632692 1861560 26088 Average: 6142722 7508695 305262 3.75 39255 1526935 577549 6.29 475332 1286230 3895 01:50:01 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 1.55 0.09 0.29 0.04 0.00 0.00 0.00 0.00 02:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:23 ens3 0.46 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.75 0.05 2.43 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 0.68 0.06 0.84 0.03 0.00 0.00 0.00 0.00 02:40:23 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:23 ens3 0.63 0.33 3.13 0.43 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.47 0.12 0.15 0.08 0.00 0.00 0.00 0.00 03:00:01 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 128.71 102.39 350.27 33.93 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.04 14.73 51.04 4.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30994) 06/27/26 _x86_64_ (2 CPU) 01:48:11 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.28 0.00 0.17 0.01 0.02 99.52 02:00:01 0 0.24 0.00 0.17 0.02 0.02 99.55 02:00:01 1 0.32 0.00 0.17 0.00 0.03 99.48 02:10:23 all 0.29 0.00 0.09 0.01 0.02 99.60 02:10:23 0 0.17 0.00 0.08 0.01 0.02 99.71 02:10:23 1 0.40 0.00 0.09 0.00 0.02 99.48 02:20:01 all 0.26 0.00 0.08 0.03 0.02 99.60 02:20:01 0 0.06 0.00 0.09 0.02 0.02 99.81 02:20:01 1 0.47 0.00 0.07 0.05 0.02 99.38 02:30:01 all 0.29 0.00 0.16 0.01 0.02 99.52 02:30:01 0 0.19 0.00 0.18 0.01 0.02 99.61 02:30:01 1 0.40 0.00 0.15 0.01 0.02 99.43 02:40:23 all 0.41 0.00 0.09 0.03 0.02 99.45 02:40:23 0 0.31 0.00 0.07 0.01 0.02 99.59 02:40:23 1 0.51 0.00 0.11 0.05 0.02 99.31 02:50:01 all 0.24 0.00 0.07 0.04 0.01 99.63 02:50:01 0 0.43 0.00 0.05 0.02 0.01 99.49 02:50:01 1 0.06 0.00 0.09 0.07 0.02 99.76 03:00:01 all 19.24 0.00 2.16 0.65 0.08 77.88 03:00:01 0 14.79 0.00 2.03 0.72 0.07 82.39 03:00:01 1 23.70 0.00 2.29 0.57 0.09 73.35 Average: all 3.00 0.00 0.40 0.11 0.03 96.46 Average: 0 2.31 0.00 0.38 0.11 0.03 97.17 Average: 1 3.69 0.00 0.42 0.11 0.03 95.75