---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3735 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 7.9G 30G 21% / 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 797 5190 4 2242 7143 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:a7:f0:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79995sec preferred_lft 79995sec inet6 fe80::f816:3eff:fea7:f00f/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-3735) 04/17/26 _x86_64_ (2 CPU) 01:48:30 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:08 1.68 0.02 1.65 0.01 1.23 1111.74 646.33 02:10:08 1.19 0.01 1.17 0.01 0.05 14.61 0.73 02:20:01 1.14 0.00 1.12 0.02 0.01 13.73 1.09 02:30:02 1.37 0.00 1.34 0.03 0.00 16.97 653.41 02:40:08 1.75 0.31 1.41 0.03 38.67 71.89 1.39 02:50:01 1.10 0.00 1.09 0.02 0.00 13.34 1.11 03:00:08 27.13 1.76 11.37 14.00 116.53 2023.30 106552.09 03:10:02 11.18 1.43 8.48 1.26 115.95 1115.89 338.63 03:20:08 1.46 0.01 1.44 0.00 0.67 46.79 0.03 03:30:08 1.65 0.00 1.62 0.02 0.35 62.07 0.25 Average: 4.98 0.35 3.07 1.55 27.37 451.09 10921.91 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:08 6292672 7544312 276292 3.40 30624 1426656 520176 5.67 446164 1187044 132 02:10:08 6292432 7544632 275960 3.39 30840 1426996 520176 5.67 446204 1187600 72 02:20:01 6291676 7544396 276224 3.40 31032 1427316 520312 5.67 446272 1188112 240 02:30:02 6281092 7534360 286184 3.52 31244 1427652 520844 5.67 446420 1188644 304 02:40:08 6236284 7518612 301200 3.70 31648 1455916 720120 7.84 463624 1206120 188 02:50:01 6235780 7518624 301200 3.70 31824 1456232 720192 7.84 464168 1206628 160 03:00:08 5526564 7378068 406560 5.00 69804 1957096 828800 9.03 608060 1728988 164 03:10:02 5331224 7448452 322904 3.97 86108 2195124 748840 8.16 559296 1953892 244 03:20:08 5264096 7390004 381316 4.69 86256 2203668 840480 9.15 623752 1962576 356 03:30:08 5212740 7352096 419020 5.15 86432 2216900 874952 9.53 650120 1975760 820 Average: 5896456 7477356 324686 3.99 51581 1719356 681489 7.42 515408 1478536 268 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 1.51 0.08 0.18 0.03 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.39 0.04 0.05 0.01 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 0.34 0.05 0.19 0.01 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.30 0.05 0.24 0.01 0.00 0.00 0.00 0.00 02:40:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.64 0.28 3.12 0.07 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.48 0.15 0.18 0.11 0.00 0.00 0.00 0.00 03:00:08 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:00:08 ens3 36.72 24.12 257.48 6.40 0.00 0.00 0.00 0.00 03:10:02 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 03:10:02 ens3 7.85 6.19 36.04 1.95 0.00 0.00 0.00 0.00 03:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:08 ens3 9.74 7.43 1.77 2.11 0.00 0.00 0.00 0.00 03:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:08 ens3 13.72 12.43 2.57 5.04 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 7.20 5.10 30.39 1.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3735) 04/17/26 _x86_64_ (2 CPU) 01:48:30 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:08 all 0.26 0.00 0.18 0.13 0.03 99.39 02:00:08 0 0.07 0.00 0.21 0.22 0.03 99.47 02:00:08 1 0.46 0.00 0.15 0.04 0.03 99.32 02:10:08 all 0.22 0.00 0.08 0.03 0.03 99.64 02:10:08 0 0.05 0.00 0.08 0.05 0.03 99.78 02:10:08 1 0.39 0.00 0.07 0.01 0.02 99.50 02:20:01 all 0.25 0.00 0.07 0.03 0.04 99.61 02:20:01 0 0.33 0.00 0.06 0.02 0.03 99.56 02:20:01 1 0.17 0.00 0.08 0.05 0.04 99.66 02:30:02 all 0.28 0.00 0.17 0.74 0.03 98.79 02:30:02 0 0.13 0.00 0.16 0.27 0.02 99.41 02:30:02 1 0.43 0.00 0.18 1.21 0.03 98.16 02:40:08 all 0.37 0.00 0.11 0.33 0.02 99.17 02:40:08 0 0.26 0.00 0.15 0.65 0.02 98.92 02:40:08 1 0.47 0.00 0.08 0.01 0.02 99.42 02:50:01 all 0.27 0.00 0.08 0.10 0.02 99.53 02:50:01 0 0.10 0.00 0.09 0.19 0.02 99.60 02:50:01 1 0.44 0.00 0.07 0.00 0.02 99.47 03:00:08 all 5.87 0.00 1.01 0.99 0.03 92.09 03:00:08 0 4.93 0.00 0.84 1.34 0.03 92.85 03:00:08 1 6.82 0.00 1.18 0.63 0.03 91.33 03:10:02 all 5.84 0.00 0.90 0.73 0.03 92.50 03:10:02 0 4.66 0.00 0.84 0.96 0.03 93.51 03:10:02 1 7.02 0.00 0.95 0.50 0.04 91.49 03:20:08 all 3.49 0.00 0.29 0.17 0.04 96.02 03:20:08 0 2.23 0.00 0.23 0.26 0.04 97.24 03:20:08 1 4.74 0.00 0.34 0.08 0.04 94.79 03:30:08 all 5.61 0.00 0.73 0.14 0.05 93.47 03:30:08 0 8.04 0.00 0.80 0.06 0.06 91.04 03:30:08 1 3.20 0.00 0.67 0.22 0.05 95.87 Average: all 2.24 0.00 0.36 0.34 0.03 97.02 Average: 0 2.07 0.00 0.35 0.40 0.03 97.15 Average: 1 2.42 0.00 0.38 0.28 0.03 96.90