---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32218 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 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 793 5084 4 2356 7148 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:45:34:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80504sec preferred_lft 80504sec inet6 fe80::f816:3eff:fe45:348c/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-32218) 07/02/26 _x86_64_ (2 CPU) 00:39:56 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:09 8.41 3.33 4.99 0.08 391.22 5451.17 217.17 01:00:09 1.60 0.01 1.57 0.02 0.05 18.95 872.52 01:10:09 1.96 0.26 1.68 0.03 32.03 76.43 1.43 01:20:09 1.38 0.00 1.37 0.00 0.01 16.12 0.12 01:30:09 1.68 0.00 1.66 0.02 0.00 19.87 0.37 01:40:09 1.33 0.00 1.33 0.00 0.00 15.87 0.00 01:50:09 1.28 0.00 1.28 0.00 0.00 14.87 0.00 02:00:09 23.72 3.01 18.37 2.34 227.54 3554.14 1753.28 02:10:09 15.05 0.00 1.54 13.51 0.15 69.99 106479.90 Average: 6.27 0.74 3.76 1.77 72.84 1033.42 12128.18 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:09 6302276 7547936 272356 3.35 30496 1421068 527524 5.75 446032 1183040 180 01:00:09 6288184 7534408 285844 3.51 30708 1421400 527552 5.75 446148 1183584 184 01:10:09 6241104 7514752 305092 3.75 31088 1448092 527684 5.75 455440 1201580 180 01:20:09 6256504 7530672 289120 3.56 31264 1448420 527884 5.75 455776 1202084 180 01:30:09 6250980 7525688 294076 3.62 31460 1448760 527892 5.75 455616 1202612 148 01:40:09 6251608 7526932 292836 3.60 31628 1449192 528020 5.75 455884 1203092 184 01:50:09 6249912 7525736 294024 3.62 31788 1449528 528020 5.75 456272 1203588 260 02:00:09 5168256 7372224 394556 4.85 87108 2277200 666668 7.26 625696 2041004 864 02:10:09 5150732 7370084 396488 4.88 87240 2292460 677752 7.38 628048 2056356 516 Average: 6017728 7494270 313821 3.86 43642 1628458 559888 6.10 491657 1386327 300 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:09 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 00:50:09 ens3 13.37 6.47 41.70 1.82 0.00 0.00 0.00 0.00 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.61 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 1.15 0.38 16.26 0.06 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.78 0.10 0.95 0.06 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.30 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 0.62 0.27 0.13 0.70 0.00 0.00 0.00 0.00 01:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 0.35 0.08 0.08 0.04 0.00 0.00 0.00 0.00 02:00:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:09 ens3 77.39 54.41 319.13 12.45 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 45.91 41.74 9.88 5.62 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 15.61 11.50 43.14 2.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32218) 07/02/26 _x86_64_ (2 CPU) 00:39:56 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:09 all 0.82 0.00 0.56 0.41 0.05 98.16 00:50:09 0 0.88 0.00 0.66 0.39 0.04 98.03 00:50:09 1 0.77 0.00 0.47 0.43 0.05 98.29 01:00:09 all 0.27 0.00 0.16 0.58 0.04 98.95 01:00:09 0 0.45 0.00 0.13 1.14 0.03 98.25 01:00:09 1 0.09 0.00 0.19 0.02 0.05 99.65 01:10:09 all 0.38 0.00 0.10 0.02 0.04 99.46 01:10:09 0 0.17 0.00 0.10 0.02 0.05 99.66 01:10:09 1 0.58 0.00 0.10 0.02 0.04 99.26 01:20:09 all 0.24 0.00 0.07 0.01 0.04 99.64 01:20:09 0 0.05 0.00 0.09 0.00 0.04 99.82 01:20:09 1 0.44 0.00 0.06 0.01 0.03 99.46 01:30:09 all 0.28 0.00 0.15 0.01 0.04 99.52 01:30:09 0 0.16 0.00 0.16 0.02 0.05 99.61 01:30:09 1 0.39 0.00 0.14 0.01 0.04 99.42 01:40:09 all 0.22 0.00 0.07 0.01 0.04 99.66 01:40:09 0 0.06 0.00 0.07 0.01 0.05 99.82 01:40:09 1 0.38 0.00 0.07 0.01 0.04 99.50 01:50:09 all 0.24 0.00 0.06 0.01 0.04 99.66 01:50:09 0 0.20 0.00 0.06 0.01 0.05 99.68 01:50:09 1 0.27 0.00 0.05 0.01 0.03 99.64 02:00:09 all 13.76 0.00 1.88 0.53 0.07 83.76 02:00:09 0 12.69 0.00 1.86 0.64 0.08 84.73 02:00:09 1 14.83 0.00 1.89 0.42 0.07 82.80 02:10:09 all 6.10 0.00 0.48 0.03 0.09 93.30 02:10:09 0 6.42 0.00 0.49 0.04 0.09 92.95 02:10:09 1 5.77 0.00 0.47 0.01 0.09 93.66 Average: all 2.47 0.00 0.39 0.18 0.05 96.92 Average: 0 2.33 0.00 0.40 0.25 0.05 96.97 Average: 1 2.60 0.00 0.38 0.10 0.05 96.86