---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16947 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 739 5309 4 2181 7202 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:3a:40:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82208sec preferred_lft 82208sec inet6 fe80::f816:3eff:fe3a:4003/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16947) 05/20/26 _x86_64_ (2 CPU) 00:29:46 LINUX RESTART (2 CPU) 00:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:27 4.95 2.91 2.01 0.03 369.69 101.91 212.41 00:50:17 1.20 0.01 1.18 0.02 0.05 14.43 1.10 01:00:01 1.91 0.26 1.61 0.04 31.81 77.22 449.23 01:10:27 1.20 0.00 1.19 0.00 1.01 14.51 0.05 01:20:07 1.18 0.00 1.17 0.00 0.01 14.47 0.00 01:30:01 14.10 0.00 1.44 12.66 0.15 17.91 110125.80 Average: 4.09 0.55 1.44 2.11 69.13 40.32 18325.34 00:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:27 6292664 7539312 281492 3.46 30512 1421824 530368 5.78 446404 1183088 140 00:50:17 6291908 7539100 281764 3.46 30716 1422160 530420 5.78 446448 1183628 184 01:00:01 6244300 7518264 301964 3.71 31116 1448152 736388 8.02 461072 1201244 160 01:10:27 6262312 7537084 283156 3.48 31272 1448792 533432 5.81 455976 1201732 196 01:20:07 6260376 7535648 284628 3.50 31432 1449120 533620 5.81 456308 1202228 132 01:30:01 6258636 7534580 285604 3.51 31600 1449620 533620 5.81 456640 1202740 124 Average: 6268366 7533998 286435 3.52 31108 1439945 566308 6.17 453808 1195777 156 00:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:27 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:40:27 ens3 10.03 5.16 34.28 1.68 0.00 0.00 0.00 0.00 00:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:17 ens3 0.49 0.08 0.10 0.05 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.48 0.25 3.24 0.05 0.00 0.00 0.00 0.00 01:10:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:27 ens3 0.37 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 0.42 0.11 0.12 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.33 0.08 0.10 0.05 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 2.07 0.98 6.51 0.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16947) 05/20/26 _x86_64_ (2 CPU) 00:29:46 LINUX RESTART (2 CPU) 00:30:07 CPU %user %nice %system %iowait %steal %idle 00:40:27 all 0.71 0.00 0.27 0.09 0.04 98.89 00:40:27 0 0.93 0.00 0.23 0.10 0.03 98.70 00:40:27 1 0.48 0.00 0.32 0.09 0.04 99.07 00:50:17 all 0.26 0.00 0.07 0.01 0.03 99.63 00:50:17 0 0.06 0.00 0.08 0.00 0.03 99.82 00:50:17 1 0.45 0.00 0.06 0.02 0.03 99.44 01:00:01 all 0.37 0.00 0.19 0.03 0.03 99.38 01:00:01 0 0.18 0.00 0.19 0.03 0.03 99.58 01:00:01 1 0.57 0.00 0.19 0.03 0.03 99.18 01:10:27 all 0.25 0.00 0.07 0.02 0.03 99.63 01:10:27 0 0.13 0.00 0.09 0.04 0.04 99.71 01:10:27 1 0.38 0.00 0.05 0.00 0.03 99.54 01:20:07 all 0.27 0.00 0.07 0.03 0.03 99.61 01:20:07 0 0.06 0.00 0.10 0.04 0.04 99.76 01:20:07 1 0.47 0.00 0.04 0.02 0.02 99.45 01:30:01 all 0.26 0.00 0.17 0.13 0.03 99.42 01:30:01 0 0.17 0.00 0.21 0.24 0.03 99.35 01:30:01 1 0.34 0.00 0.13 0.01 0.03 99.49 Average: all 0.35 0.00 0.14 0.05 0.03 99.42 Average: 0 0.26 0.00 0.15 0.08 0.03 99.48 Average: 1 0.45 0.00 0.13 0.03 0.03 99.36