---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8339 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 8.1G 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 774 4988 4 2469 7166 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:1f:b5:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79125sec preferred_lft 79125sec inet6 fe80::f816:3eff:fe1f:b5d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8339) 04/27/26 _x86_64_ (2 CPU) 00:41:45 LINUX RESTART (2 CPU) 00:50:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:09 1.60 0.01 1.58 0.01 0.05 19.01 448.15 01:10:25 1.32 0.00 1.30 0.02 0.00 15.48 1.17 01:20:25 1.38 0.00 1.36 0.02 0.01 16.13 1.20 01:30:25 2.16 0.31 1.80 0.04 39.01 77.08 437.11 01:40:25 4.51 1.37 3.04 0.11 99.53 292.94 5.33 01:50:19 19.22 1.67 15.37 2.18 130.86 2912.24 600.81 02:00:25 1.45 0.00 1.44 0.02 0.00 18.72 0.24 02:10:25 1.29 0.00 1.29 0.00 0.00 117.18 0.07 02:20:25 15.17 0.00 1.68 13.49 0.15 297.71 106567.56 02:30:19 1.49 0.00 1.46 0.03 0.00 85.35 0.43 02:40:25 1.34 0.00 1.32 0.02 0.00 17.08 0.26 Average: 4.61 0.30 2.86 1.45 24.39 349.06 9822.07 00:50:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:09 6299224 7546036 274268 3.37 30680 1422024 533548 5.81 444784 1183460 176 01:10:25 6300536 7547880 272408 3.35 30880 1422352 533636 5.81 444852 1183988 124 01:20:25 6304124 7551996 268252 3.30 31076 1422676 533700 5.81 444964 1184508 128 01:30:25 6235680 7512644 306896 3.77 31488 1450956 736360 8.02 462108 1202136 124 01:40:25 5966344 7416208 393308 4.84 45960 1600696 626480 6.82 580616 1353040 75796 01:50:19 5058224 7171680 599792 7.38 84976 2192740 825516 8.99 784856 1951412 124 02:00:25 5116912 7230916 540484 6.65 85108 2193168 777152 8.46 735616 1951972 148 02:10:25 5076940 7221888 549532 6.76 85252 2223976 836532 9.11 778848 1982916 228 02:20:25 4933208 7163080 607036 7.46 85436 2307600 875796 9.54 817808 2066700 72 02:30:19 4840692 7091284 678476 8.34 85628 2327840 935932 10.19 878736 2087008 124 02:40:25 4885604 7136804 632940 7.78 85800 2328268 895404 9.75 837876 2087608 200 Average: 5547044 7326401 465763 5.73 62026 1899300 737278 8.03 655551 1657704 7022 00:50:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.51 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:25 ens3 0.36 0.06 0.27 0.03 0.00 0.00 0.00 0.00 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 0.63 0.09 0.69 0.06 0.00 0.00 0.00 0.00 01:30:25 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:25 ens3 0.46 0.25 3.13 0.05 0.00 0.00 0.00 0.00 01:40:25 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:40:25 ens3 23.10 13.23 93.30 4.98 0.00 0.00 0.00 0.00 01:50:19 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 01:50:19 ens3 69.69 55.37 662.04 8.03 0.00 0.00 0.00 0.00 02:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:25 ens3 34.54 31.63 530.46 2.10 0.00 0.00 0.00 0.00 02:10:25 lo 0.98 0.98 0.05 0.05 0.00 0.00 0.00 0.00 02:10:25 ens3 70.55 63.04 1133.15 4.15 0.00 0.00 0.00 0.00 02:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:25 ens3 26.82 22.86 365.00 1.53 0.00 0.00 0.00 0.00 02:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:19 ens3 26.33 24.89 413.89 1.65 0.00 0.00 0.00 0.00 02:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:25 ens3 11.53 10.43 171.48 0.78 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 24.00 20.14 306.35 2.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8339) 04/27/26 _x86_64_ (2 CPU) 00:41:45 LINUX RESTART (2 CPU) 00:50:25 CPU %user %nice %system %iowait %steal %idle 01:00:09 all 0.26 0.00 0.16 0.01 0.02 99.55 01:00:09 0 0.28 0.00 0.16 0.02 0.02 99.52 01:00:09 1 0.23 0.00 0.17 0.00 0.02 99.57 01:10:25 all 0.25 0.00 0.08 0.10 0.02 99.55 01:10:25 0 0.46 0.00 0.06 0.00 0.02 99.46 01:10:25 1 0.05 0.00 0.10 0.19 0.03 99.64 01:20:25 all 0.26 0.00 0.07 0.01 0.02 99.64 01:20:25 0 0.36 0.00 0.05 0.01 0.02 99.56 01:20:25 1 0.16 0.00 0.09 0.01 0.03 99.72 01:30:25 all 0.39 0.00 0.19 0.05 0.02 99.35 01:30:25 0 0.47 0.00 0.20 0.04 0.02 99.27 01:30:25 1 0.30 0.00 0.19 0.05 0.02 99.44 01:40:25 all 1.97 0.00 0.34 0.11 0.02 97.56 01:40:25 0 1.41 0.00 0.35 0.04 0.03 98.17 01:40:25 1 2.53 0.00 0.34 0.17 0.02 96.94 01:50:19 all 9.67 0.00 1.57 0.49 0.06 88.21 01:50:19 0 10.12 0.00 1.78 0.68 0.07 87.34 01:50:19 1 9.22 0.00 1.37 0.30 0.04 89.07 02:00:25 all 0.68 0.00 0.39 0.01 0.05 98.88 02:00:25 0 0.72 0.00 0.39 0.01 0.04 98.84 02:00:25 1 0.64 0.00 0.38 0.01 0.05 98.91 02:10:25 all 1.11 0.00 0.56 0.94 0.34 97.06 02:10:25 0 1.32 0.00 0.65 0.93 0.21 96.88 02:10:25 1 0.90 0.00 0.46 0.95 0.46 97.23 02:20:25 all 0.84 0.00 0.25 0.12 0.05 98.74 02:20:25 0 0.86 0.00 0.25 0.16 0.05 98.67 02:20:25 1 0.81 0.00 0.25 0.08 0.05 98.80 02:30:19 all 0.72 0.00 0.35 0.01 0.04 98.88 02:30:19 0 0.72 0.00 0.33 0.00 0.03 98.92 02:30:19 1 0.73 0.00 0.37 0.01 0.05 98.83 02:40:25 all 0.49 0.00 0.20 0.01 0.03 99.26 02:40:25 0 0.51 0.00 0.27 0.01 0.04 99.17 02:40:25 1 0.48 0.00 0.13 0.00 0.03 99.36 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.50 0.00 0.38 0.17 0.06 97.89 Average: 0 1.56 0.00 0.41 0.17 0.05 97.81 Average: 1 1.45 0.00 0.35 0.16 0.07 97.97