---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6174 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 766 4998 4 2479 7174 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:01:50:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79978sec preferred_lft 79978sec inet6 fe80::f816:3eff:fe01:50c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6174) 09/09/26 _x86_64_ (2 CPU) 00:44:37 LINUX RESTART (2 CPU) 00:50:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 1.71 0.01 1.68 0.03 0.06 20.18 717.68 01:10:00 25.88 2.85 20.75 2.29 224.72 3550.32 1612.37 01:20:27 1.90 0.31 1.56 0.02 41.26 107.16 1.21 01:30:20 1.63 0.00 1.61 0.02 0.00 23.40 0.63 01:40:00 1.44 0.00 1.44 0.00 0.00 134.29 0.00 01:50:10 15.56 0.00 1.58 13.98 0.14 19.65 104432.57 02:00:27 1.51 0.00 1.50 0.01 0.00 19.78 0.47 02:10:01 1.31 0.00 1.30 0.00 0.00 27.63 378.46 02:20:27 1.29 0.00 1.28 0.01 0.19 55.96 0.13 02:30:20 18.23 13.73 3.77 0.74 153.76 383.64 2137.02 Average: 7.06 1.68 3.65 1.73 42.07 434.38 11107.28 00:50:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6285540 7537212 283248 3.48 30696 1427788 527380 5.74 441816 1188484 180 01:10:00 5189612 7381404 385944 4.75 87536 2265540 649652 7.08 591348 2037588 124 01:20:27 5097552 7330288 436416 5.37 87992 2305924 876736 9.55 635648 2068336 208 01:30:20 5092556 7326876 439712 5.41 88124 2307324 876972 9.55 635828 2069748 132 01:40:00 5075184 7344548 421512 5.18 88272 2341740 888068 9.67 645732 2104312 152 01:50:10 5080140 7350352 415712 5.11 88428 2342424 888080 9.67 646044 2105120 232 02:00:27 5066552 7337552 428476 5.27 88568 2343060 888144 9.67 646132 2105892 152 02:10:01 5059028 7333416 432556 5.32 88664 2346296 883824 9.63 642400 2109232 320 02:20:27 5032964 7320728 445012 5.47 88784 2359376 885196 9.64 643392 2122296 232 02:30:20 5139096 7358412 406624 5.00 93268 2285768 848004 9.24 639776 2052388 22820 Average: 5211822 7362079 409521 5.04 83033 2232524 821206 8.94 616812 1996340 2455 00:50:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.67 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:10:00 ens3 86.25 66.33 508.72 13.52 0.00 0.00 0.00 0.00 01:20:27 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 15.49 12.85 137.46 1.16 0.00 0.00 0.00 0.00 01:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 5.40 4.97 33.49 0.66 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 3.70 2.95 38.11 0.30 0.00 0.00 0.00 0.00 01:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:10 ens3 2.78 1.72 0.36 0.24 0.00 0.00 0.00 0.00 02:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:27 ens3 2.60 1.72 0.34 0.24 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 12.58 12.10 155.61 1.44 0.00 0.00 0.00 0.00 02:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:27 ens3 19.42 19.06 292.11 1.85 0.00 0.00 0.00 0.00 02:30:20 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 17.99 15.07 82.65 11.84 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 16.78 13.76 125.99 3.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6174) 09/09/26 _x86_64_ (2 CPU) 00:44:37 LINUX RESTART (2 CPU) 00:50:27 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.31 0.00 0.19 0.01 0.00 99.49 01:00:00 0 0.31 0.00 0.19 0.02 0.00 99.49 01:00:00 1 0.31 0.00 0.19 0.00 0.00 99.50 01:10:00 all 12.62 0.00 2.19 0.67 0.02 84.51 01:10:00 0 14.89 0.00 2.44 0.89 0.02 81.76 01:10:00 1 10.35 0.00 1.93 0.45 0.01 87.25 01:20:27 all 1.05 0.00 0.31 0.02 0.02 98.60 01:20:27 0 1.07 0.00 0.35 0.01 0.02 98.55 01:20:27 1 1.03 0.00 0.27 0.04 0.01 98.65 01:30:20 all 2.10 0.00 0.55 0.01 0.02 97.32 01:30:20 0 3.73 0.00 0.78 0.01 0.03 95.46 01:30:20 1 0.68 0.00 0.34 0.01 0.01 98.96 01:40:00 all 1.08 0.00 0.28 0.01 0.01 98.61 01:40:00 0 1.47 0.00 0.36 0.03 0.02 98.13 01:40:00 1 0.71 0.00 0.22 0.00 0.01 99.06 01:50:10 all 0.62 0.00 0.22 0.04 0.01 99.11 01:50:10 0 0.61 0.00 0.26 0.08 0.02 99.03 01:50:10 1 0.62 0.00 0.18 0.00 0.01 99.19 02:00:27 all 0.66 0.00 0.31 0.01 0.01 99.01 02:00:27 0 0.64 0.00 0.30 0.01 0.01 99.03 02:00:27 1 0.68 0.00 0.31 0.01 0.01 98.99 02:10:01 all 1.36 0.00 0.30 0.01 0.01 98.31 02:10:01 0 0.69 0.00 0.18 0.01 0.01 99.12 02:10:01 1 2.04 0.00 0.43 0.01 0.02 97.50 02:20:27 all 1.81 0.00 0.42 0.01 0.01 97.74 02:20:27 0 1.66 0.00 0.29 0.01 0.01 98.02 02:20:27 1 1.96 0.00 0.56 0.00 0.01 97.46 02:30:20 all 3.33 0.18 0.67 0.26 0.01 95.55 02:30:20 0 3.96 0.35 0.79 0.50 0.02 94.38 02:30:20 1 2.69 0.02 0.54 0.02 0.01 96.72 Average: all 2.50 0.02 0.55 0.11 0.01 96.81 Average: 0 2.90 0.03 0.59 0.16 0.02 96.30 Average: 1 2.11 0.00 0.50 0.05 0.01 97.32