---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10514 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 771 5195 4 2264 7170 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:73:2d:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81478sec preferred_lft 81478sec inet6 fe80::f816:3eff:fe73:2dbe/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-10514) 05/03/26 _x86_64_ (2 CPU) 00:16:40 LINUX RESTART (2 CPU) 00:20:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:23 1.80 0.05 1.72 0.03 3.39 20.41 436.68 00:40:23 22.42 3.01 17.16 2.25 226.08 3174.77 923.41 00:50:23 1.43 0.01 1.40 0.01 0.77 27.95 0.76 01:00:03 2.16 0.27 1.86 0.03 33.12 85.24 0.80 01:10:23 14.66 0.00 1.62 13.03 0.14 129.48 103231.68 01:20:23 1.40 0.00 1.40 0.00 0.00 29.89 396.09 01:30:23 1.55 0.00 1.53 0.02 0.00 29.83 0.47 Average: 6.55 0.48 3.81 2.26 37.49 499.86 15485.74 00:20:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:23 6290348 7542432 277888 3.42 30704 1427008 533724 5.81 453744 1187392 124 00:40:23 5345112 7437736 334156 4.11 84148 2172696 590728 6.43 565972 1941400 420 00:50:23 5252384 7348172 423844 5.21 84320 2175740 689964 7.52 631340 1944624 124 01:00:03 5216480 7340344 431468 5.31 84604 2203456 693504 7.55 643348 1963548 188 01:10:23 5179384 7338480 432968 5.32 84796 2238204 708164 7.71 657848 1998316 552 01:20:23 5169168 7332200 439136 5.40 84924 2241948 682600 7.43 633360 2002204 144 01:30:23 5170984 7337752 433520 5.33 85044 2245516 684172 7.45 635024 2005892 124 Average: 5374837 7382445 396140 4.87 76934 2100653 654694 7.13 602948 1863339 239 00:20:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:23 ens3 2.11 0.12 0.22 0.06 0.00 0.00 0.00 0.00 00:40:23 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:23 ens3 62.91 43.52 302.34 11.39 0.00 0.00 0.00 0.00 00:50:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:23 ens3 25.07 21.81 224.58 2.32 0.00 0.00 0.00 0.00 01:00:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 10.15 9.14 66.65 0.97 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 6.32 4.77 44.14 0.69 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 13.74 12.88 140.64 1.28 0.00 0.00 0.00 0.00 01:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:23 ens3 21.38 20.71 224.70 2.10 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 20.22 16.12 143.22 2.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10514) 05/03/26 _x86_64_ (2 CPU) 00:16:40 LINUX RESTART (2 CPU) 00:20:23 CPU %user %nice %system %iowait %steal %idle 00:30:23 all 0.30 0.00 0.17 0.01 0.04 99.48 00:30:23 0 0.08 0.00 0.18 0.01 0.04 99.68 00:30:23 1 0.51 0.00 0.17 0.02 0.03 99.28 00:40:23 all 10.58 0.00 1.66 0.51 0.05 87.20 00:40:23 0 12.31 0.00 1.88 0.46 0.05 85.29 00:40:23 1 8.85 0.00 1.44 0.56 0.05 89.10 00:50:23 all 1.25 0.00 0.28 0.01 0.07 98.39 00:50:23 0 0.85 0.00 0.21 0.01 0.05 98.87 00:50:23 1 1.66 0.00 0.35 0.01 0.09 97.90 01:00:03 all 2.62 0.00 0.42 0.02 0.07 96.88 01:00:03 0 4.07 0.00 0.47 0.01 0.05 95.40 01:00:03 1 1.19 0.00 0.37 0.03 0.08 98.34 01:10:23 all 7.38 0.00 0.66 0.03 0.07 91.86 01:10:23 0 2.95 0.00 0.30 0.05 0.07 96.63 01:10:23 1 12.03 0.00 1.04 0.02 0.07 86.85 01:20:23 all 1.49 0.00 0.23 0.01 0.07 98.20 01:20:23 0 0.81 0.00 0.23 0.01 0.07 98.89 01:20:23 1 2.18 0.00 0.23 0.01 0.07 97.51 01:30:23 all 1.35 0.00 0.39 0.01 0.07 98.18 01:30:23 0 1.46 0.00 0.38 0.01 0.05 98.10 01:30:23 1 1.24 0.00 0.40 0.02 0.09 98.25 Average: all 3.58 0.00 0.54 0.09 0.06 95.73 Average: 0 3.21 0.00 0.52 0.08 0.06 96.13 Average: 1 3.94 0.00 0.57 0.10 0.07 95.33