---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12122 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 746 4939 4 2548 7195 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:b2:66:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78617sec preferred_lft 78617sec inet6 fe80::f816:3eff:feb2:6614/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12122) 05/09/26 _x86_64_ (2 CPU) 00:40:50 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 2.18 0.26 1.89 0.03 30.73 77.13 432.89 01:10:17 1.43 0.00 1.41 0.02 1.04 16.30 1.23 01:20:01 1.35 0.00 1.35 0.00 0.01 15.82 0.25 01:30:17 1.55 0.00 1.53 0.02 0.00 19.13 212.50 01:40:17 1.46 0.00 1.45 0.00 0.00 17.32 217.75 01:50:01 1.89 0.46 1.42 0.01 18.41 96.94 0.07 02:00:17 20.94 2.50 16.28 2.17 204.63 3014.55 600.73 02:10:17 14.91 0.00 1.50 13.41 0.15 17.80 106761.09 02:20:01 1.32 0.00 1.31 0.01 0.00 91.64 0.64 02:30:07 1.86 0.00 1.81 0.04 0.00 431.39 3.98 02:40:17 1.38 0.00 1.37 0.01 0.00 93.94 0.05 02:50:01 5.23 0.08 4.03 1.12 6.28 867.98 2279.75 Average: 4.66 0.28 2.97 1.40 22.20 401.69 9206.06 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 6263048 7536328 283724 3.49 30924 1447664 722256 7.87 457704 1200592 232 01:10:17 6262800 7536928 283204 3.48 31124 1448300 527880 5.75 452720 1201124 180 01:20:01 6262800 7537440 282648 3.48 31304 1448624 528040 5.75 453592 1201628 296 01:30:17 6271504 7546704 273140 3.36 31508 1448956 583532 6.36 459284 1202160 184 01:40:17 6273404 7549228 270724 3.33 31680 1449408 528464 5.76 454272 1202652 176 01:50:01 6168460 7489768 327184 4.02 35092 1488868 558356 6.08 507220 1243732 11052 02:00:17 5051856 7169836 601744 7.40 85096 2196816 833944 9.08 794600 1957928 164 02:10:17 5106964 7225548 545940 6.71 85228 2197288 785768 8.56 745504 1958504 160 02:20:01 5098092 7239324 532156 6.54 85380 2219796 768772 8.37 712588 1981152 316 02:30:07 4850580 7118184 651296 8.01 85616 2344360 992220 10.81 885664 2105832 124 02:40:17 4810964 7103048 666136 8.19 85744 2368368 937732 10.21 881832 2129972 180 02:50:01 5096772 7402068 374344 4.60 87840 2386224 625956 6.82 612048 2148304 24128 Average: 5626437 7371200 424353 5.22 58878 1870389 699410 7.62 618086 1627798 3099 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.75 0.24 3.13 0.05 0.00 0.00 0.00 0.00 01:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:17 ens3 0.47 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.61 0.12 0.19 0.10 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 0.42 0.17 0.08 0.59 0.00 0.00 0.00 0.00 01:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 0.41 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 18.22 9.21 51.93 4.28 0.00 0.00 0.00 0.00 02:00:17 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 02:00:17 ens3 71.43 56.35 694.11 8.40 0.00 0.00 0.00 0.00 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 33.92 32.69 557.96 2.15 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 76.00 72.70 1246.54 4.77 0.00 0.00 0.00 0.00 02:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:07 ens3 24.00 22.90 412.52 1.56 0.00 0.00 0.00 0.00 02:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:17 ens3 24.46 22.52 379.66 1.54 0.00 0.00 0.00 0.00 02:50:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 02:50:01 ens3 36.73 27.26 302.62 24.87 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 23.88 20.30 302.99 3.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12122) 05/09/26 _x86_64_ (2 CPU) 00:40:50 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 0.41 0.00 0.18 0.02 0.04 99.36 01:00:07 0 0.29 0.00 0.17 0.01 0.04 99.50 01:00:07 1 0.52 0.00 0.19 0.04 0.04 99.22 01:10:17 all 0.22 0.00 0.07 0.01 0.04 99.66 01:10:17 0 0.05 0.00 0.08 0.01 0.04 99.83 01:10:17 1 0.40 0.00 0.06 0.02 0.04 99.48 01:20:01 all 0.24 0.00 0.07 0.01 0.04 99.64 01:20:01 0 0.05 0.00 0.09 0.01 0.04 99.80 01:20:01 1 0.43 0.00 0.05 0.01 0.03 99.49 01:30:17 all 0.26 0.00 0.14 0.01 0.04 99.55 01:30:17 0 0.11 0.00 0.15 0.02 0.04 99.68 01:30:17 1 0.40 0.00 0.14 0.01 0.04 99.42 01:40:17 all 0.22 0.00 0.06 0.01 0.03 99.68 01:40:17 0 0.04 0.00 0.07 0.01 0.04 99.85 01:40:17 1 0.39 0.00 0.06 0.02 0.03 99.51 01:50:01 all 0.71 0.00 0.15 0.02 0.03 99.09 01:50:01 0 0.63 0.00 0.14 0.01 0.04 99.18 01:50:01 1 0.79 0.00 0.15 0.03 0.02 99.01 02:00:17 all 10.49 0.00 1.77 0.50 0.06 87.18 02:00:17 0 9.37 0.00 1.55 0.41 0.07 88.60 02:00:17 1 11.60 0.00 1.98 0.60 0.05 85.76 02:10:17 all 0.65 0.00 0.30 0.03 0.05 98.96 02:10:17 0 0.76 0.00 0.44 0.01 0.07 98.71 02:10:17 1 0.54 0.00 0.16 0.05 0.04 99.21 02:20:01 all 1.14 0.00 0.60 0.01 0.06 98.20 02:20:01 0 0.90 0.00 0.55 0.01 0.06 98.47 02:20:01 1 1.38 0.00 0.64 0.01 0.06 97.92 02:30:07 all 0.83 0.00 0.31 0.02 0.06 98.78 02:30:07 0 1.06 0.00 0.39 0.04 0.07 98.45 02:30:07 1 0.60 0.00 0.23 0.01 0.04 99.12 02:40:17 all 0.63 0.00 0.25 0.01 0.06 99.06 02:40:17 0 0.78 0.00 0.39 0.01 0.07 98.75 02:40:17 1 0.48 0.00 0.10 0.00 0.04 99.38 02:40:17 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 4.26 0.00 0.57 0.09 0.06 95.02 02:50:01 0 5.66 0.00 0.63 0.15 0.07 93.49 02:50:01 1 2.86 0.00 0.51 0.04 0.05 96.54 Average: all 1.68 0.00 0.37 0.06 0.05 97.84 Average: 0 1.65 0.00 0.39 0.06 0.06 97.85 Average: 1 1.72 0.00 0.36 0.07 0.04 97.82