---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11925 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 758 5207 4 2273 7183 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:b3:15:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 4930sec preferred_lft 4930sec inet6 fe80::f816:3eff:feb3:15bd/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-11925) 05/09/26 _x86_64_ (2 CPU) 00:00:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:13 1.80 0.02 1.77 0.02 0.81 20.82 0.20 00:20:14 1.88 0.11 1.74 0.03 3.05 24.00 534.44 00:30:09 1.92 0.00 1.90 0.02 0.00 21.45 218.51 00:40:15 23.66 2.98 18.50 2.19 223.95 3132.15 915.37 00:50:16 1.45 0.00 1.44 0.01 0.00 17.47 1.08 01:00:15 1.80 0.00 1.77 0.03 0.00 21.62 1.43 01:10:16 1.49 0.00 1.48 0.02 0.00 18.09 1.20 01:20:16 1.56 0.00 1.54 0.02 0.00 18.43 1.20 01:30:17 1.71 0.00 1.67 0.03 0.00 21.83 1.73 01:40:18 1.66 0.00 1.64 0.02 0.00 21.35 1.24 Average: 3.91 0.31 3.36 0.24 22.98 334.55 168.35 00:00:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:13 6123184 7519096 289696 3.56 54148 1537944 541728 5.90 469892 1308868 324 00:20:14 6126768 7484660 324080 3.98 54316 1499700 539612 5.88 468588 1270568 356 00:30:09 6134692 7493044 315536 3.88 54464 1499992 594688 6.48 473884 1271012 224 00:40:15 5199928 7395072 365972 4.50 103648 2246940 634692 6.91 595080 2021996 340 00:50:16 5197408 7393320 367752 4.52 103740 2247588 635720 6.92 595856 2022764 404 01:00:15 5197244 7394072 366944 4.51 103888 2248352 635888 6.93 596356 2023684 168 01:10:16 5196992 7394844 366200 4.50 104008 2249264 635888 6.93 596696 2024584 224 01:20:16 5194476 7393060 367984 4.52 104104 2249900 635888 6.93 596884 2025316 232 01:30:17 5198724 7398504 362484 4.46 104244 2250964 644248 7.02 597028 2026520 220 01:40:18 5190928 7391768 369016 4.54 104328 2251944 699436 7.62 602456 2027580 220 Average: 5476034 7425744 349566 4.30 89089 2028259 619779 6.75 559272 1802289 271 00:00:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:13 ens3 0.26 0.07 0.08 0.04 0.00 0.00 0.00 0.00 00:20:14 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:14 ens3 0.20 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:09 ens3 0.49 0.10 0.17 0.09 0.00 0.00 0.00 0.00 00:40:15 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:15 ens3 58.95 42.67 299.56 12.17 0.00 0.00 0.00 0.00 00:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:16 ens3 2.97 0.19 0.46 0.13 0.00 0.00 0.00 0.00 01:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:15 ens3 1.45 1.01 0.25 0.12 0.00 0.00 0.00 0.00 01:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:16 ens3 1.42 1.15 0.28 0.14 0.00 0.00 0.00 0.00 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 0.66 0.19 0.20 0.11 0.00 0.00 0.00 0.00 01:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 1.94 1.72 0.39 0.36 0.00 0.00 0.00 0.00 01:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:18 ens3 2.11 1.88 0.42 0.21 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 7.10 4.94 30.46 1.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11925) 05/09/26 _x86_64_ (2 CPU) 00:00:13 CPU %user %nice %system %iowait %steal %idle 00:10:13 all 0.24 0.00 0.10 0.01 0.02 99.64 00:10:13 0 0.23 0.00 0.10 0.01 0.02 99.65 00:10:13 1 0.24 0.00 0.10 0.01 0.02 99.63 00:20:14 all 0.64 0.00 0.21 0.01 0.02 99.12 00:20:14 0 0.50 0.00 0.24 0.01 0.02 99.23 00:20:14 1 0.78 0.00 0.18 0.01 0.01 99.02 00:30:09 all 0.25 0.00 0.17 0.01 0.02 99.55 00:30:09 0 0.19 0.00 0.18 0.01 0.02 99.60 00:30:09 1 0.32 0.00 0.16 0.02 0.01 99.49 00:40:15 all 10.72 0.00 1.66 0.53 0.04 87.05 00:40:15 0 9.31 0.00 1.59 0.49 0.04 88.56 00:40:15 1 12.12 0.00 1.73 0.58 0.05 85.53 00:50:16 all 0.49 0.00 0.15 0.01 0.04 99.32 00:50:16 0 0.44 0.00 0.16 0.01 0.04 99.35 00:50:16 1 0.53 0.00 0.14 0.01 0.04 99.29 01:00:15 all 0.52 0.00 0.23 0.02 0.04 99.20 01:00:15 0 0.44 0.00 0.22 0.01 0.04 99.29 01:00:15 1 0.61 0.00 0.23 0.02 0.04 99.10 01:10:16 all 0.47 0.00 0.13 0.01 0.04 99.35 01:10:16 0 0.48 0.00 0.10 0.01 0.03 99.39 01:10:16 1 0.47 0.00 0.17 0.01 0.05 99.31 01:20:16 all 0.43 0.00 0.13 0.01 0.04 99.40 01:20:16 0 0.56 0.00 0.10 0.01 0.03 99.31 01:20:16 1 0.30 0.00 0.16 0.01 0.05 99.49 01:30:17 all 0.57 0.00 0.23 0.01 0.04 99.16 01:30:17 0 0.47 0.00 0.23 0.01 0.03 99.26 01:30:17 1 0.66 0.00 0.23 0.01 0.04 99.06 01:40:18 all 0.51 0.00 0.15 0.01 0.04 99.29 01:40:18 0 0.48 0.00 0.13 0.01 0.03 99.34 01:40:18 1 0.54 0.00 0.17 0.01 0.04 99.24 Average: all 1.49 0.00 0.32 0.06 0.03 98.10 Average: 0 1.32 0.00 0.31 0.06 0.03 98.29 Average: 1 1.67 0.00 0.33 0.07 0.03 97.90