---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12660 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 8.2G 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 776 4905 4 2559 7165 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:20:53:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5233sec preferred_lft 5233sec inet6 fe80::f816:3eff:fe20:5312/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12660) 05/12/26 _x86_64_ (2 CPU) 00:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.67 0.02 1.64 0.01 0.82 19.85 0.47 00:20:01 1.78 0.11 1.64 0.04 3.05 23.52 541.75 00:30:06 1.50 0.00 1.49 0.01 0.00 17.17 1.31 00:40:01 13.57 1.77 10.92 0.89 117.53 1930.22 199.83 00:50:00 11.24 1.25 8.63 1.35 109.70 1250.91 288.56 01:00:06 1.75 0.00 1.71 0.03 0.00 20.46 1.72 01:10:06 1.83 0.00 1.80 0.03 0.00 166.29 1.83 01:20:00 1.69 0.00 1.68 0.02 0.00 297.47 0.61 01:30:06 1.69 0.00 1.67 0.02 0.00 49.37 0.54 01:40:00 3.35 0.04 2.66 0.64 1.44 126.69 2403.54 Average: 4.00 0.32 3.38 0.30 23.16 388.34 341.75 00:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6126220 7521656 287216 3.53 53972 1537412 527488 5.75 466400 1308568 356 00:20:01 6166328 7523700 285004 3.50 54092 1499168 524884 5.72 464968 1270228 260 00:30:06 6154272 7512128 296544 3.65 54212 1499524 524884 5.72 465112 1270704 336 00:40:01 5490540 7419292 355116 4.37 89164 2006104 602724 6.56 560608 1795856 41424 00:50:00 4985228 7180104 581012 7.14 103456 2246648 829420 9.03 791788 2021824 152 01:00:06 4892440 7087900 673224 8.28 103568 2247116 832228 9.06 794836 2022408 144 01:10:06 4993968 7233952 526976 6.48 103716 2291360 809808 8.82 756160 2066800 160 01:20:00 4794696 7119384 640192 7.87 103844 2374784 924068 10.06 870276 2150352 124 01:30:06 4791692 7126112 633268 7.79 103952 2384268 898844 9.79 845536 2159940 272 01:40:00 5102728 7410732 355976 4.38 104948 2363412 607496 6.62 595672 2139820 178840 Average: 5349811 7313496 463453 5.70 87492 2044980 708184 7.71 661136 1820650 22207 00:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.27 0.09 0.09 0.04 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.14 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:06 ens3 0.50 0.14 0.17 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 00:40:01 ens3 35.11 23.57 265.71 6.19 0.00 0.00 0.00 0.00 00:50:00 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 00:50:00 ens3 51.51 41.85 474.14 7.14 0.00 0.00 0.00 0.00 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 28.17 26.96 605.86 1.81 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 55.86 54.48 1140.69 3.61 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 17.53 16.35 366.23 1.56 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 14.30 13.80 316.26 0.95 0.00 0.00 0.00 0.00 01:40:00 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 27.91 21.14 288.23 20.71 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 23.12 19.84 346.08 4.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12660) 05/12/26 _x86_64_ (2 CPU) 00:00:06 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.21 0.00 0.10 0.02 0.04 99.63 00:10:01 0 0.09 0.00 0.11 0.01 0.05 99.75 00:10:01 1 0.34 0.00 0.09 0.03 0.03 99.51 00:20:01 all 0.63 0.00 0.20 0.01 0.04 99.12 00:20:01 0 0.50 0.00 0.22 0.01 0.04 99.23 00:20:01 1 0.76 0.00 0.19 0.02 0.03 99.00 00:30:06 all 0.24 0.00 0.16 0.01 0.04 99.55 00:30:06 0 0.42 0.00 0.15 0.00 0.03 99.39 00:30:06 1 0.06 0.00 0.18 0.01 0.04 99.71 00:40:01 all 5.68 0.00 0.88 0.52 0.05 92.87 00:40:01 0 5.60 0.00 0.87 0.58 0.04 92.91 00:40:01 1 5.76 0.00 0.89 0.47 0.06 92.82 00:50:00 all 5.83 0.00 1.02 0.29 0.09 92.77 00:50:00 0 5.78 0.00 1.15 0.38 0.10 92.60 00:50:00 1 5.88 0.00 0.90 0.20 0.09 92.94 01:00:06 all 0.66 0.00 0.38 0.01 0.10 98.84 01:00:06 0 0.67 0.00 0.37 0.01 0.11 98.83 01:00:06 1 0.65 0.00 0.39 0.01 0.09 98.85 01:10:06 all 1.10 0.00 0.51 0.02 0.11 98.26 01:10:06 0 1.61 0.00 0.88 0.02 0.13 97.36 01:10:06 1 0.59 0.00 0.15 0.03 0.09 99.15 01:20:00 all 0.77 0.00 0.21 0.05 0.10 98.87 01:20:00 0 0.88 0.00 0.27 0.04 0.13 98.68 01:20:00 1 0.65 0.00 0.15 0.06 0.07 99.07 01:30:06 all 0.61 0.00 0.32 0.05 0.09 98.93 01:30:06 0 0.71 0.00 0.41 0.05 0.11 98.72 01:30:06 1 0.52 0.00 0.24 0.04 0.07 99.13 01:40:00 all 2.84 0.00 0.46 0.15 0.09 96.46 01:40:00 0 1.94 0.00 0.32 0.23 0.09 97.42 01:40:00 1 3.74 0.00 0.61 0.08 0.08 95.49 Average: all 1.85 0.00 0.43 0.11 0.07 97.54 Average: 0 1.82 0.00 0.47 0.13 0.08 97.50 Average: 1 1.89 0.00 0.38 0.09 0.06 97.58