---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32210 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 777 5183 4 2274 7164 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:f0:81:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81585sec preferred_lft 81585sec inet6 fe80::f816:3eff:fef0:817a/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-32210) 07/02/26 _x86_64_ (2 CPU) 00:39:34 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 17.98 3.03 2.36 12.59 383.20 112.40 109540.33 01:00:14 2.10 0.25 1.83 0.03 30.34 76.60 426.80 01:10:23 1.30 0.00 1.28 0.02 0.00 14.59 1.08 01:20:23 1.38 0.00 1.37 0.00 0.01 15.72 0.12 01:30:14 1.59 0.00 1.58 0.01 0.00 18.43 441.80 01:40:23 1.38 0.00 1.38 0.00 0.00 15.83 0.00 01:50:01 1.32 0.00 1.32 0.00 0.00 15.12 0.00 Average: 3.86 0.47 1.59 1.80 59.12 38.57 15757.56 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6285604 7532368 288228 3.54 30516 1421932 524336 5.71 455200 1183120 124 01:00:14 6232112 7506108 313716 3.86 30936 1448332 723020 7.88 469840 1201176 132 01:10:23 6239264 7513788 306032 3.76 31132 1448660 723156 7.88 470304 1201700 176 01:20:23 6246600 7521632 298200 3.67 31308 1448980 723220 7.88 470808 1202196 128 01:30:14 6250992 7526580 293124 3.60 31484 1449312 723288 7.88 470680 1202704 180 01:40:23 6248472 7524688 295036 3.63 31652 1449768 723352 7.88 470896 1203200 132 01:50:01 6247212 7523916 295796 3.64 31812 1450088 723352 7.88 471260 1203680 124 Average: 6250037 7521297 298590 3.67 31263 1445296 694818 7.57 468427 1199682 142 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 17.66 7.08 36.66 1.90 0.00 0.00 0.00 0.00 01:00:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 1.23 0.48 3.19 0.06 0.00 0.00 0.00 0.00 01:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:23 ens3 0.68 0.04 12.91 0.03 0.00 0.00 0.00 0.00 01:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:23 ens3 0.90 0.24 0.96 0.51 0.00 0.00 0.00 0.00 01:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 0.27 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:23 ens3 0.50 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.35 0.07 0.08 0.04 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.09 1.15 7.74 0.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32210) 07/02/26 _x86_64_ (2 CPU) 00:39:34 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.83 0.00 0.32 0.15 0.02 98.68 00:50:01 0 0.89 0.00 0.32 0.22 0.02 98.56 00:50:01 1 0.78 0.00 0.33 0.08 0.02 98.80 01:00:14 all 0.40 0.00 0.19 0.04 0.01 99.35 01:00:14 0 0.45 0.00 0.20 0.08 0.01 99.26 01:00:14 1 0.35 0.00 0.18 0.01 0.01 99.44 01:10:23 all 0.25 0.00 0.08 0.05 0.01 99.61 01:10:23 0 0.06 0.00 0.09 0.01 0.01 99.82 01:10:23 1 0.43 0.00 0.07 0.09 0.01 99.40 01:20:23 all 0.30 0.00 0.08 0.02 0.02 99.58 01:20:23 0 0.38 0.00 0.06 0.02 0.01 99.53 01:20:23 1 0.23 0.00 0.09 0.03 0.02 99.64 01:30:14 all 0.23 0.00 0.16 0.01 0.01 99.59 01:30:14 0 0.38 0.00 0.14 0.00 0.01 99.47 01:30:14 1 0.09 0.00 0.18 0.02 0.01 99.70 01:40:23 all 0.28 0.00 0.06 0.01 0.01 99.64 01:40:23 0 0.36 0.00 0.06 0.01 0.01 99.55 01:40:23 1 0.20 0.00 0.07 0.00 0.01 99.72 01:50:01 all 0.23 0.00 0.08 0.01 0.01 99.68 01:50:01 0 0.06 0.00 0.10 0.01 0.01 99.83 01:50:01 1 0.39 0.00 0.06 0.01 0.01 99.53 Average: all 0.36 0.00 0.14 0.04 0.01 99.45 Average: 0 0.37 0.00 0.14 0.05 0.01 99.43 Average: 1 0.35 0.00 0.14 0.03 0.01 99.46