---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27711 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 5212 4 2262 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:79:11:8e 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 81650sec preferred_lft 81650sec inet6 fe80::f816:3eff:fe79:118e/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-27711) 06/16/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.48 0.03 1.43 0.02 1.28 17.44 449.70 02:10:19 1.27 0.01 1.25 0.02 0.05 15.19 1.06 02:20:19 1.21 0.00 1.20 0.02 0.01 14.37 1.20 02:30:01 1.27 0.00 1.24 0.03 0.00 15.82 450.03 02:40:19 1.24 0.00 1.22 0.02 0.00 15.08 1.28 02:50:19 1.77 0.25 1.49 0.03 30.97 74.19 1.37 03:00:01 24.86 3.10 19.37 2.39 234.54 3642.45 1209.92 Average: 4.64 0.47 3.82 0.35 37.27 528.73 294.41 01:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6300760 7547260 273104 3.36 30560 1421640 528224 5.75 443408 1183168 168 02:10:19 6309544 7556644 263748 3.24 30800 1421972 528224 5.75 443680 1183768 200 02:20:19 6307124 7554752 265620 3.27 31004 1422296 528224 5.75 443700 1184288 208 02:30:01 6300592 7548744 271620 3.34 31216 1422628 528400 5.76 443748 1184800 184 02:40:19 6306696 7555420 264972 3.26 31412 1422960 528400 5.76 443808 1185368 128 02:50:19 6250836 7526532 293416 3.61 31800 1449188 725308 7.90 462092 1203092 132 03:00:01 5191680 7387508 379312 4.66 86876 2269180 834032 9.08 608772 2032600 188 Average: 6138176 7525266 287399 3.53 39095 1547123 600116 6.54 469887 1308155 173 01:50:19 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 1.05 0.08 0.12 0.04 0.00 0.00 0.00 0.00 02:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 0.34 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 0.64 0.03 5.45 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 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:19 ens3 0.28 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:50:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:19 ens3 0.90 0.51 3.25 0.10 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 69.22 47.74 324.97 12.34 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 10.12 6.75 46.51 1.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27711) 06/16/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:19 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.32 0.00 0.20 0.01 0.02 99.45 02:00:01 0 0.29 0.00 0.19 0.01 0.02 99.50 02:00:01 1 0.35 0.00 0.20 0.02 0.02 99.41 02:10:19 all 0.27 0.00 0.09 0.01 0.02 99.62 02:10:19 0 0.31 0.00 0.09 0.01 0.02 99.58 02:10:19 1 0.22 0.00 0.08 0.01 0.02 99.67 02:20:19 all 0.24 0.00 0.08 0.01 0.02 99.65 02:20:19 0 0.42 0.00 0.07 0.01 0.02 99.49 02:20:19 1 0.06 0.00 0.09 0.01 0.02 99.82 02:30:01 all 0.29 0.00 0.17 0.01 0.02 99.51 02:30:01 0 0.47 0.00 0.15 0.01 0.01 99.36 02:30:01 1 0.12 0.00 0.19 0.01 0.02 99.66 02:40:19 all 0.23 0.00 0.07 0.01 0.02 99.67 02:40:19 0 0.07 0.00 0.09 0.01 0.02 99.81 02:40:19 1 0.39 0.00 0.06 0.00 0.01 99.53 02:50:19 all 0.44 0.00 0.10 0.02 0.02 99.42 02:50:19 0 0.48 0.00 0.08 0.02 0.01 99.41 02:50:19 1 0.41 0.00 0.13 0.02 0.02 99.43 03:00:01 all 13.18 0.00 1.98 1.20 0.06 83.58 03:00:01 0 11.44 0.00 1.96 1.10 0.06 85.43 03:00:01 1 14.91 0.00 1.99 1.30 0.06 81.74 Average: all 2.09 0.00 0.38 0.17 0.02 97.34 Average: 0 1.88 0.00 0.37 0.16 0.02 97.57 Average: 1 2.30 0.00 0.38 0.19 0.02 97.11