---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10569 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 748 4931 4 2554 7193 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:13:99:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79953sec preferred_lft 79953sec inet6 fe80::f816:3eff:fe13:99e2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10569) 05/03/26 _x86_64_ (2 CPU) 01:57:05 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:12 1.28 0.02 1.25 0.00 1.22 15.69 0.12 02:20:02 1.16 0.01 1.14 0.01 0.07 14.62 0.98 02:30:01 1.87 0.26 1.58 0.04 32.08 75.57 437.53 02:40:21 1.61 0.39 1.23 0.00 15.29 46.06 0.00 02:50:02 23.27 2.71 18.25 2.31 219.05 3248.02 797.17 03:00:01 1.47 0.00 1.45 0.02 0.00 18.80 0.23 03:10:12 1.35 0.00 1.35 0.00 0.00 17.19 0.00 03:20:32 1.60 0.00 1.57 0.04 0.00 360.65 0.31 03:30:01 1.58 0.00 1.57 0.02 0.00 241.52 0.24 03:40:32 14.25 0.00 1.47 12.78 0.14 19.23 100934.40 Average: 4.93 0.33 3.02 1.57 26.02 393.83 10683.71 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:12 6286704 7538908 281812 3.47 30608 1427244 520956 5.67 447812 1187192 180 02:20:02 6286704 7539452 281288 3.46 30820 1427536 521020 5.67 447856 1187728 192 02:30:01 6248016 7527800 292456 3.60 31212 1453780 521040 5.68 456880 1205288 124 02:40:21 6223736 7518616 301504 3.71 31520 1468428 543844 5.92 489668 1218720 184 02:50:02 5129388 7251080 520876 6.40 84892 2200740 765144 8.33 737984 1960372 220 03:00:01 5158832 7281164 490640 6.03 84996 2201276 720888 7.85 693076 1960884 124 03:10:12 5216776 7339804 432024 5.31 85124 2201852 691492 7.53 647796 1961580 228 03:20:32 4925356 7173208 597220 7.34 85332 2325212 860008 9.37 815628 2085152 16948 03:30:01 4706664 7002124 767432 9.44 85456 2372032 970336 10.57 926988 2132100 272 03:40:32 4755876 7052180 717176 8.82 85624 2372700 1024952 11.16 931336 2132776 160 Average: 5493805 7322434 468243 5.76 63558 1945080 713968 7.78 659502 1703179 1863 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 1.20 0.06 0.10 0.02 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.53 0.05 0.09 0.02 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.59 0.23 3.14 0.03 0.00 0.00 0.00 0.00 02:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:21 ens3 10.88 4.63 19.62 2.94 0.00 0.00 0.00 0.00 02:50:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:50:02 ens3 79.32 60.81 672.69 10.12 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 31.53 28.40 458.63 1.91 0.00 0.00 0.00 0.00 03:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:12 ens3 81.86 77.13 1297.18 5.05 0.00 0.00 0.00 0.00 03:20:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:32 ens3 27.34 24.99 414.10 1.67 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 31.60 30.39 493.33 2.05 0.00 0.00 0.00 0.00 03:40:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:32 ens3 12.40 11.63 186.34 0.80 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 27.51 23.66 352.83 2.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10569) 05/03/26 _x86_64_ (2 CPU) 01:57:05 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:12 all 0.25 0.00 0.08 0.04 0.03 99.60 02:10:12 0 0.42 0.00 0.06 0.05 0.02 99.45 02:10:12 1 0.07 0.00 0.10 0.04 0.03 99.76 02:20:02 all 0.27 0.00 0.07 0.04 0.03 99.59 02:20:02 0 0.48 0.00 0.05 0.02 0.02 99.44 02:20:02 1 0.06 0.00 0.09 0.06 0.04 99.75 02:30:01 all 0.37 0.00 0.19 0.10 0.03 99.32 02:30:01 0 0.60 0.00 0.18 0.07 0.03 99.13 02:30:01 1 0.14 0.00 0.20 0.12 0.04 99.51 02:40:21 all 0.57 0.00 0.10 0.13 0.03 99.17 02:40:21 0 0.59 0.00 0.09 0.16 0.03 99.14 02:40:21 1 0.56 0.00 0.11 0.09 0.03 99.21 02:50:02 all 11.29 0.00 1.85 2.17 0.06 84.63 02:50:02 0 9.40 0.00 1.50 1.61 0.06 87.43 02:50:02 1 13.18 0.00 2.20 2.74 0.07 81.82 03:00:01 all 0.61 0.00 0.34 0.06 0.06 98.94 03:00:01 0 0.65 0.00 0.48 0.04 0.08 98.74 03:00:01 1 0.57 0.00 0.19 0.08 0.04 99.13 03:10:12 all 1.11 0.00 0.62 0.79 0.06 97.42 03:10:12 0 1.62 0.00 1.07 0.03 0.08 97.20 03:10:12 1 0.60 0.00 0.16 1.55 0.05 97.64 03:20:32 all 0.81 0.00 0.21 0.03 0.06 98.89 03:20:32 0 0.73 0.00 0.19 0.04 0.06 98.99 03:20:32 1 0.89 0.00 0.23 0.03 0.06 98.78 03:30:01 all 0.77 0.00 0.36 0.08 0.06 98.72 03:30:01 0 0.73 0.00 0.26 0.11 0.05 98.84 03:30:01 1 0.82 0.00 0.46 0.05 0.07 98.60 03:40:32 all 0.49 0.00 0.22 0.08 0.06 99.16 03:40:32 0 0.51 0.00 0.13 0.07 0.05 99.25 03:40:32 1 0.48 0.00 0.30 0.09 0.07 99.07 Average: all 1.61 0.00 0.40 0.35 0.05 97.60 Average: 0 1.54 0.00 0.40 0.21 0.05 97.80 Average: 1 1.69 0.00 0.40 0.48 0.05 97.39