---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23527 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 22% / 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 789 5096 4 2347 7152 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:29:fb:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81286sec preferred_lft 81286sec inet6 fe80::f816:3eff:fe29:fb5d/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-23527) 06/04/26 _x86_64_ (2 CPU) 00:42:03 LINUX RESTART (2 CPU) 00:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.49 0.01 1.46 0.02 0.05 18.68 0.59 01:10:07 1.27 0.00 1.27 0.00 0.00 15.18 0.00 01:20:07 14.68 0.28 1.83 12.57 33.28 77.04 109120.01 01:30:02 1.71 0.01 1.69 0.02 1.06 20.05 0.43 01:40:07 1.40 0.00 1.40 0.00 0.00 16.36 0.00 01:50:07 24.17 3.01 18.87 2.28 226.53 3455.49 583.72 02:00:07 1.75 0.00 1.67 0.07 0.35 72.19 6.67 Average: 6.64 0.47 4.03 2.14 37.32 525.00 15673.32 00:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6295740 7543576 276780 3.40 30660 1422860 522584 5.69 442608 1183372 196 01:10:07 6298916 7547252 273096 3.36 30836 1423184 522724 5.69 442748 1183872 136 01:20:07 6247308 7523100 296628 3.65 31204 1449876 726160 7.91 458044 1201572 212 01:30:02 6252588 7529236 290488 3.57 31388 1450512 522804 5.69 452728 1202088 184 01:40:07 6252340 7529608 290116 3.57 31556 1450972 522972 5.70 453452 1202588 236 01:50:07 5186200 7386092 381400 4.69 86580 2273964 665208 7.25 622956 2035480 536 02:00:07 5163552 7378920 388468 4.78 86760 2289256 669152 7.29 627204 2050852 572 Average: 5956663 7491112 313854 3.86 46998 1680089 593086 6.46 499963 1437118 296 00:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.77 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.36 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:07 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 0.78 0.29 3.22 0.08 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.31 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.46 0.12 0.15 0.08 0.00 0.00 0.00 0.00 01:50:07 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:07 ens3 81.24 57.66 319.39 13.11 0.00 0.00 0.00 0.00 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 46.07 42.57 10.25 5.79 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 18.57 14.40 47.61 2.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23527) 06/04/26 _x86_64_ (2 CPU) 00:42:03 LINUX RESTART (2 CPU) 00:50:07 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.28 0.00 0.18 0.01 0.03 99.49 01:00:02 0 0.31 0.00 0.17 0.01 0.03 99.48 01:00:02 1 0.26 0.00 0.18 0.02 0.04 99.51 01:10:07 all 0.24 0.00 0.08 0.03 0.03 99.63 01:10:07 0 0.07 0.00 0.09 0.05 0.03 99.76 01:10:07 1 0.41 0.00 0.07 0.00 0.02 99.49 01:20:07 all 0.41 0.00 0.12 0.09 0.03 99.35 01:20:07 0 0.47 0.00 0.13 0.15 0.03 99.22 01:20:07 1 0.35 0.00 0.11 0.03 0.03 99.48 01:30:02 all 0.29 0.00 0.16 0.03 0.03 99.49 01:30:02 0 0.07 0.00 0.17 0.04 0.03 99.68 01:30:02 1 0.51 0.00 0.15 0.02 0.03 99.30 01:40:07 all 0.23 0.00 0.08 0.06 0.03 99.60 01:40:07 0 0.05 0.00 0.10 0.07 0.04 99.74 01:40:07 1 0.41 0.00 0.06 0.04 0.03 99.46 01:50:07 all 14.62 0.00 1.88 1.85 0.07 81.57 01:50:07 0 16.10 0.00 2.05 2.51 0.07 79.28 01:50:07 1 13.15 0.00 1.72 1.18 0.08 83.86 02:00:07 all 6.10 0.00 0.57 0.05 0.08 93.21 02:00:07 0 3.67 0.00 0.49 0.04 0.07 95.73 02:00:07 1 8.54 0.00 0.65 0.06 0.08 90.68 Average: all 3.15 0.00 0.44 0.30 0.04 96.06 Average: 0 2.95 0.00 0.46 0.41 0.04 96.14 Average: 1 3.36 0.00 0.42 0.19 0.04 95.99