---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33197 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 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 756 5073 4 2412 7185 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:47:6a:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79152sec preferred_lft 79152sec inet6 fe80::f816:3eff:fe47:6ac9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33197) 07/06/26 _x86_64_ (2 CPU) 00:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 14.02 0.02 1.39 12.60 0.96 17.29 109174.91 00:20:08 1.45 0.11 1.32 0.02 3.07 17.49 9.61 00:30:08 1.95 0.28 1.65 0.02 33.12 77.01 432.75 00:40:08 24.60 2.99 19.31 2.30 225.82 3444.03 597.18 00:50:08 1.43 0.00 1.42 0.02 0.00 23.99 1.11 01:00:08 1.62 0.00 1.58 0.03 0.00 24.71 2.07 01:10:08 1.32 0.00 1.28 0.03 0.00 131.32 399.02 01:20:08 1.38 0.00 1.33 0.04 0.00 34.71 5.65 01:30:08 1.70 0.00 1.65 0.06 0.00 25.08 4.83 Average: 5.50 0.38 3.44 1.68 29.22 421.73 12291.72 00:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6213176 7518196 293128 3.60 35004 1467324 526280 5.73 447660 1232252 180 00:20:08 6211364 7516840 294388 3.62 35216 1467488 525372 5.72 447648 1232412 160 00:30:08 6171552 7504976 305632 3.76 35584 1494672 724400 7.89 462868 1250504 184 00:40:08 5134564 7392028 365532 4.49 90584 2318488 823384 8.97 599156 2084208 1052 00:50:08 5095288 7354584 403044 4.96 90732 2320256 833348 9.08 600932 2086124 124 01:00:08 5084596 7345860 411728 5.06 90892 2322068 852428 9.28 620064 2088088 272 01:10:08 5060904 7357220 400292 4.92 91072 2356872 838788 9.14 605240 2123072 200 01:20:08 5044480 7346820 410584 5.05 91252 2362636 844320 9.20 611620 2128892 160 01:30:08 4936268 7240780 516576 6.35 91436 2364604 876604 9.55 643748 2131032 492 Average: 5439132 7397478 377878 4.65 72419 2052712 760547 8.28 559882 1817398 314 00:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.30 0.06 0.06 0.03 0.00 0.00 0.00 0.00 00:20:08 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:08 ens3 0.19 0.04 0.03 0.01 0.00 0.00 0.00 0.00 00:30:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:08 ens3 0.72 0.32 3.34 0.10 0.00 0.00 0.00 0.00 00:40:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:08 ens3 69.06 48.31 317.42 12.52 0.00 0.00 0.00 0.00 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 21.46 17.96 223.70 1.52 0.00 0.00 0.00 0.00 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 9.45 8.71 61.33 0.93 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 13.46 12.26 156.67 1.20 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 18.41 17.28 142.16 2.02 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 15.23 14.47 167.99 1.26 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 16.47 13.27 119.19 2.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33197) 07/06/26 _x86_64_ (2 CPU) 00:00:08 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.23 0.00 0.12 0.03 0.04 99.58 00:10:08 0 0.42 0.00 0.10 0.00 0.03 99.46 00:10:08 1 0.05 0.00 0.14 0.07 0.04 99.70 00:20:08 all 0.46 0.00 0.19 0.02 0.03 99.30 00:20:08 0 0.29 0.00 0.22 0.01 0.05 99.44 00:20:08 1 0.63 0.00 0.16 0.03 0.02 99.16 00:30:08 all 0.45 0.00 0.19 0.03 0.04 99.31 00:30:08 0 0.41 0.00 0.23 0.04 0.04 99.29 00:30:08 1 0.49 0.00 0.14 0.02 0.03 99.32 00:40:08 all 11.79 0.00 1.71 0.53 0.05 85.92 00:40:08 0 13.51 0.00 1.74 0.56 0.05 84.15 00:40:08 1 10.07 0.00 1.67 0.51 0.05 87.70 00:50:08 all 0.92 0.00 0.25 0.01 0.06 98.76 00:50:08 0 0.63 0.00 0.19 0.02 0.06 99.10 00:50:08 1 1.20 0.00 0.30 0.00 0.07 98.43 01:00:08 all 3.11 0.00 0.45 0.01 0.07 96.36 01:00:08 0 4.42 0.00 0.58 0.01 0.09 94.90 01:00:08 1 1.83 0.00 0.32 0.01 0.05 97.79 01:10:08 all 4.52 0.00 0.49 0.01 0.07 94.91 01:10:08 0 7.90 0.00 0.70 0.01 0.06 91.33 01:10:08 1 1.26 0.00 0.28 0.02 0.08 98.36 01:20:08 all 1.96 0.00 0.31 0.01 0.07 97.65 01:20:08 0 1.89 0.00 0.33 0.01 0.09 97.69 01:20:08 1 2.03 0.00 0.30 0.01 0.06 97.60 01:30:08 all 0.92 0.00 0.32 0.01 0.08 98.68 01:30:08 0 1.08 0.00 0.32 0.01 0.08 98.52 01:30:08 1 0.75 0.00 0.31 0.02 0.08 98.84 Average: all 2.70 0.00 0.45 0.07 0.06 96.72 Average: 0 3.37 0.00 0.49 0.07 0.06 96.01 Average: 1 2.04 0.00 0.40 0.07 0.05 97.43