---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9758 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 773 5195 4 2261 7168 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:1c:32:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79360sec preferred_lft 79360sec inet6 fe80::f816:3eff:fe1c:32c7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9758) 04/30/26 _x86_64_ (2 CPU) 00:42:22 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:13 1.43 0.01 1.41 0.02 0.05 17.41 428.17 01:10:13 1.23 0.00 1.21 0.02 0.00 14.77 1.09 01:20:01 1.70 0.26 1.42 0.03 31.63 73.38 1.28 01:30:13 1.60 0.00 1.57 0.03 0.00 19.32 641.86 01:40:02 14.62 0.43 1.40 12.79 16.48 48.58 111017.95 01:50:01 22.68 2.63 17.81 2.23 212.85 3145.36 808.89 02:00:14 1.51 0.00 1.50 0.02 0.00 24.28 0.37 02:10:15 1.44 0.00 1.44 0.00 0.00 128.88 0.03 02:20:01 1.42 0.00 1.39 0.03 0.00 30.24 405.21 02:30:16 1.61 0.00 1.57 0.04 0.00 32.34 0.59 Average: 4.89 0.33 3.06 1.49 25.89 351.74 11115.20 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:13 6290208 7537276 283264 3.48 30672 1422060 526504 5.73 444156 1183416 132 01:10:13 6295800 7543408 277156 3.41 30876 1422388 526708 5.74 445668 1183948 132 01:20:01 6249604 7523816 296308 3.64 31240 1448268 720528 7.85 460324 1201428 240 01:30:13 6239080 7513912 306140 3.76 31492 1448600 722136 7.87 461600 1202012 180 01:40:02 6226176 7516296 303376 3.73 31820 1463472 738284 8.04 487264 1215500 312 01:50:01 5239372 7357444 414164 5.09 85128 2196936 848636 9.24 629444 1958264 152 02:00:14 5218516 7338708 432716 5.32 85256 2198920 857216 9.34 629480 1960384 132 02:10:15 5175436 7330724 440628 5.42 85396 2233800 900592 9.81 670804 1995404 884 02:20:01 5173868 7332492 438820 5.40 85556 2236948 866828 9.44 638012 1998696 280 02:30:16 5127564 7291084 480176 5.90 85748 2241572 900656 9.81 672600 2003400 688 Average: 5723562 7428516 367275 4.52 58318 1831296 760809 8.29 553935 1590245 313 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 0.76 0.08 0.10 0.03 0.00 0.00 0.00 0.00 01:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 0.86 0.06 14.90 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.76 0.27 3.43 0.07 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.36 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 8.72 5.35 20.28 3.24 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.09 0.09 0.00 0.00 0.00 0.00 01:50:01 ens3 62.95 46.48 395.65 9.42 0.00 0.00 0.00 0.00 02:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 13.89 12.68 164.47 1.14 0.00 0.00 0.00 0.00 02:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 5.17 4.24 41.60 0.58 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 11.97 11.51 152.13 1.39 0.00 0.00 0.00 0.00 02:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:16 ens3 19.75 19.21 219.60 2.07 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.51 10.00 101.38 1.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9758) 04/30/26 _x86_64_ (2 CPU) 00:42:22 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:13 all 0.26 0.00 0.17 0.01 0.04 99.51 01:00:13 0 0.34 0.00 0.16 0.02 0.04 99.44 01:00:13 1 0.19 0.00 0.18 0.01 0.05 99.58 01:10:13 all 0.27 0.00 0.08 0.01 0.04 99.60 01:10:13 0 0.31 0.00 0.07 0.02 0.04 99.57 01:10:13 1 0.24 0.00 0.08 0.00 0.05 99.62 01:20:01 all 0.36 0.00 0.11 0.03 0.04 99.46 01:20:01 0 0.32 0.00 0.12 0.02 0.04 99.50 01:20:01 1 0.41 0.00 0.09 0.04 0.04 99.42 01:30:13 all 0.29 0.00 0.15 0.01 0.04 99.51 01:30:13 0 0.37 0.00 0.13 0.02 0.04 99.44 01:30:13 1 0.21 0.00 0.17 0.01 0.05 99.57 01:40:02 all 0.50 0.00 0.11 0.04 0.04 99.32 01:40:02 0 0.68 0.00 0.08 0.02 0.03 99.19 01:40:02 1 0.32 0.00 0.14 0.06 0.05 99.44 01:50:01 all 10.92 0.00 1.74 0.66 0.09 86.58 01:50:01 0 10.12 0.00 1.58 0.43 0.08 87.78 01:50:01 1 11.72 0.00 1.90 0.89 0.10 85.38 02:00:14 all 0.90 0.00 0.31 0.01 0.09 98.69 02:00:14 0 1.08 0.00 0.38 0.01 0.11 98.43 02:00:14 1 0.73 0.00 0.23 0.01 0.08 98.95 02:10:15 all 5.13 0.00 0.46 0.02 0.11 94.28 02:10:15 0 5.15 0.00 0.47 0.03 0.11 94.24 02:10:15 1 5.12 0.00 0.45 0.01 0.11 94.31 02:20:01 all 1.28 0.00 0.24 0.01 0.09 98.37 02:20:01 0 0.92 0.00 0.22 0.01 0.09 98.77 02:20:01 1 1.64 0.00 0.27 0.01 0.10 97.98 02:30:16 all 1.79 0.00 0.43 0.02 0.09 97.68 02:30:16 0 2.06 0.00 0.47 0.02 0.09 97.36 02:30:16 1 1.51 0.00 0.40 0.01 0.09 97.99 Average: all 2.15 0.00 0.38 0.08 0.07 97.32 Average: 0 2.11 0.00 0.37 0.06 0.07 97.40 Average: 1 2.18 0.00 0.39 0.10 0.07 97.25