---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-5693 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 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 782 5170 4 2277 7159 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:44:bb:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79886sec preferred_lft 79886sec inet6 fe80::f816:3eff:fe44:bb9e/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-5693) 04/21/26 _x86_64_ (2 CPU) 01:51:54 LINUX RESTART (2 CPU) 02:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 1.45 0.01 1.43 0.01 1.12 16.64 0.42 02:20:09 13.85 0.00 1.48 12.37 0.16 17.12 107441.56 02:30:09 1.54 0.00 1.52 0.03 0.00 18.09 436.79 02:40:09 1.40 0.00 1.38 0.02 0.00 16.29 1.20 02:50:09 1.53 0.00 1.50 0.03 0.00 18.21 219.12 03:00:09 1.57 0.00 1.54 0.03 0.00 18.80 872.00 03:10:09 1.82 0.36 1.44 0.02 14.41 36.39 1.32 03:20:09 22.55 2.64 17.68 2.23 213.07 3153.19 560.89 03:30:09 1.85 0.00 1.82 0.04 0.35 73.36 1.44 03:40:00 6.71 0.08 5.05 1.57 6.00 568.52 3632.92 Average: 5.44 0.31 3.48 1.65 23.54 393.39 11498.39 02:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6249332 7525224 294968 3.63 30916 1450300 519544 5.66 458112 1200584 172 02:20:09 6264260 7540772 279412 3.44 31120 1450672 519544 5.66 458220 1201164 124 02:30:09 6260944 7537988 282140 3.47 31328 1450996 519600 5.66 458332 1201688 88 02:40:09 6262976 7540572 279556 3.44 31532 1451328 519756 5.66 458516 1202232 156 02:50:09 6263456 7541748 278348 3.42 31760 1451792 519896 5.66 458928 1202788 212 03:00:09 6246612 7525452 294596 3.62 31964 1452108 520028 5.66 459024 1203316 124 03:10:09 6230116 7519828 300124 3.69 32244 1462600 534776 5.82 483988 1212812 200 03:20:09 5257704 7374272 397504 4.89 85412 2195240 665016 7.24 634488 1954480 276 03:30:09 5229440 7361924 409500 5.04 85600 2210980 731120 7.96 643760 1970148 648 03:40:00 5346096 7383016 397296 4.89 88484 2120176 633092 6.90 639428 1880720 29524 Average: 5961094 7485080 321344 3.95 48036 1669619 568237 6.19 515280 1422993 3152 02:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.45 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.28 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.31 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.47 0.07 0.29 0.05 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.25 0.11 0.04 0.44 0.00 0.00 0.00 0.00 03:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:09 ens3 0.29 0.09 0.10 0.06 0.00 0.00 0.00 0.00 03:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 5.30 3.21 12.39 1.49 0.00 0.00 0.00 0.00 03:20:09 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:20:09 ens3 66.03 45.08 289.07 10.37 0.00 0.00 0.00 0.00 03:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:09 ens3 48.19 43.03 10.15 5.72 0.00 0.00 0.00 0.00 03:40:00 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 03:40:00 ens3 37.75 32.37 27.56 21.03 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 15.90 12.38 33.98 3.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-5693) 04/21/26 _x86_64_ (2 CPU) 01:51:54 LINUX RESTART (2 CPU) 02:00:09 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.26 0.00 0.08 0.02 0.02 99.62 02:10:00 0 0.45 0.00 0.07 0.01 0.02 99.46 02:10:00 1 0.07 0.00 0.09 0.04 0.02 99.78 02:20:09 all 0.26 0.00 0.09 0.16 0.01 99.47 02:20:09 0 0.27 0.00 0.10 0.16 0.01 99.45 02:20:09 1 0.26 0.00 0.09 0.16 0.01 99.48 02:30:09 all 0.29 0.00 0.16 0.28 0.02 99.25 02:30:09 0 0.11 0.00 0.17 0.10 0.02 99.61 02:30:09 1 0.48 0.00 0.16 0.46 0.02 98.88 02:40:09 all 0.26 0.00 0.09 0.13 0.02 99.51 02:40:09 0 0.16 0.00 0.10 0.01 0.02 99.71 02:40:09 1 0.36 0.00 0.07 0.25 0.01 99.30 02:50:09 all 0.28 0.00 0.09 0.14 0.01 99.48 02:50:09 0 0.11 0.00 0.11 0.25 0.02 99.51 02:50:09 1 0.45 0.00 0.06 0.03 0.01 99.45 03:00:09 all 0.26 0.00 0.17 0.03 0.02 99.53 03:00:09 0 0.22 0.00 0.18 0.04 0.01 99.55 03:00:09 1 0.31 0.00 0.15 0.02 0.02 99.51 03:10:09 all 0.46 0.00 0.09 0.03 0.05 99.37 03:10:09 0 0.27 0.00 0.11 0.04 0.04 99.54 03:10:09 1 0.66 0.00 0.08 0.01 0.06 99.19 03:20:09 all 13.61 0.00 1.90 0.63 0.06 83.80 03:20:09 0 12.12 0.00 1.80 0.56 0.07 85.46 03:20:09 1 15.08 0.00 2.01 0.70 0.06 82.15 03:30:09 all 6.44 0.00 0.70 0.14 0.06 92.66 03:30:09 0 5.24 0.00 0.66 0.18 0.05 93.87 03:30:09 1 7.65 0.00 0.75 0.10 0.07 91.44 03:40:00 all 11.83 0.00 0.89 5.92 0.05 81.30 03:40:00 0 11.71 0.00 0.85 7.15 0.05 80.23 03:40:00 1 11.95 0.00 0.93 4.69 0.05 82.38 Average: all 3.37 0.00 0.42 0.74 0.03 95.44 Average: 0 3.04 0.00 0.41 0.84 0.03 95.68 Average: 1 3.70 0.00 0.44 0.64 0.03 95.19