---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20880 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: 5599.86 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 753 5217 4 2262 7188 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:99:ed:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.138/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81804sec preferred_lft 81804sec inet6 fe80::f816:3eff:fe99:ed7d/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-20880) 05/28/26 _x86_64_ (2 CPU) 06:47:38 LINUX RESTART (2 CPU) 06:50:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:01 1.51 0.03 1.47 0.02 1.29 18.38 683.11 07:10:01 14.02 0.01 1.46 12.55 0.20 17.66 109158.80 07:20:06 1.35 0.00 1.33 0.01 0.01 15.79 1.07 07:30:02 2.12 0.25 1.83 0.04 31.21 78.86 1.61 07:40:01 1.39 0.01 1.36 0.02 1.05 16.61 1.27 07:50:06 1.31 0.00 1.30 0.01 0.00 15.63 1.07 08:00:01 23.76 3.22 18.24 2.30 235.05 3458.53 607.47 Average: 6.50 0.50 3.85 2.15 38.30 516.07 15873.34 06:50:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 6288688 7535304 285248 3.51 30544 1421756 527752 5.75 438068 1183208 124 07:10:01 6288688 7535908 284592 3.50 30764 1422132 527816 5.75 438448 1183776 152 07:20:06 6296528 7544296 276192 3.40 30972 1422472 527768 5.75 438584 1184316 248 07:30:02 6262004 7536684 283180 3.48 31380 1448576 732288 7.98 453216 1202072 124 07:40:01 6269592 7545140 274804 3.38 31600 1449216 528360 5.75 448392 1202620 224 07:50:06 6269092 7545308 274624 3.38 31804 1449672 528432 5.76 448908 1203152 256 08:00:01 5217740 7411776 356068 4.38 87268 2267476 620112 6.75 587984 2030528 404 Average: 6127476 7522059 290673 3.57 39190 1554471 570361 6.21 464800 1312810 219 06:50:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:00:01 ens3 1.09 0.11 0.15 0.06 0.00 0.00 0.00 0.00 07:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:01 ens3 0.83 0.18 0.23 0.13 0.00 0.00 0.00 0.00 07:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:20:06 ens3 0.40 0.06 0.25 0.03 0.00 0.00 0.00 0.00 07:30:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:30:02 ens3 0.81 0.32 3.41 0.10 0.00 0.00 0.00 0.00 07:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:40:01 ens3 0.38 0.17 0.08 0.72 0.00 0.00 0.00 0.00 07:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:50:06 ens3 0.23 0.07 0.07 0.03 0.00 0.00 0.00 0.00 08:00:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 08:00:01 ens3 50.64 31.63 314.84 8.19 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 7.75 4.64 45.46 1.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20880) 05/28/26 _x86_64_ (2 CPU) 06:47:38 LINUX RESTART (2 CPU) 06:50:26 CPU %user %nice %system %iowait %steal %idle 07:00:01 all 0.32 0.00 0.19 0.01 0.03 99.44 07:00:01 0 0.14 0.00 0.22 0.01 0.04 99.59 07:00:01 1 0.50 0.00 0.16 0.02 0.03 99.29 07:10:01 all 0.27 0.00 0.09 0.03 0.03 99.57 07:10:01 0 0.36 0.00 0.08 0.01 0.03 99.52 07:10:01 1 0.19 0.00 0.10 0.04 0.04 99.63 07:20:06 all 0.20 0.00 0.07 0.01 0.04 99.69 07:20:06 0 0.05 0.00 0.08 0.01 0.04 99.82 07:20:06 1 0.34 0.00 0.06 0.01 0.03 99.55 07:30:02 all 0.36 0.00 0.19 0.02 0.04 99.40 07:30:02 0 0.50 0.00 0.18 0.01 0.03 99.29 07:30:02 1 0.22 0.00 0.20 0.02 0.05 99.52 07:40:01 all 0.17 0.00 0.07 0.01 0.03 99.72 07:40:01 0 0.28 0.00 0.05 0.00 0.03 99.64 07:40:01 1 0.06 0.00 0.08 0.03 0.04 99.80 07:50:06 all 0.18 0.00 0.06 0.01 0.03 99.72 07:50:06 0 0.32 0.00 0.05 0.01 0.02 99.60 07:50:06 1 0.04 0.00 0.07 0.01 0.04 99.84 08:00:01 all 11.87 0.00 1.75 0.55 0.06 85.76 08:00:01 0 10.65 0.00 1.68 0.48 0.06 87.14 08:00:01 1 13.10 0.00 1.82 0.63 0.06 84.39 Average: all 1.90 0.00 0.34 0.09 0.04 97.62 Average: 0 1.75 0.00 0.33 0.08 0.03 97.81 Average: 1 2.06 0.00 0.36 0.11 0.04 97.44