---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3174 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 8.0G 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 780 5168 4 2281 7161 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:78:55:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78784sec preferred_lft 78784sec inet6 fe80::f816:3eff:fe78:55ea/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-3174) 04/16/26 _x86_64_ (2 CPU) 01:48:28 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:16 1.48 0.02 1.44 0.02 1.21 17.86 425.80 02:10:06 1.23 0.01 1.21 0.02 0.05 14.49 1.10 02:20:16 1.90 0.32 1.55 0.03 39.43 72.61 1.43 02:30:16 1.40 0.00 1.39 0.01 0.00 17.16 435.54 02:40:16 1.24 0.00 1.24 0.00 0.00 14.87 0.00 02:50:02 1.64 0.41 1.23 0.00 16.18 46.83 0.00 03:00:06 21.59 2.61 16.77 2.21 210.95 3060.96 969.66 03:10:16 1.35 0.00 1.35 0.00 0.00 22.12 0.08 03:20:16 1.42 0.00 1.42 0.00 0.00 19.31 0.00 03:30:16 15.05 0.00 1.62 13.43 0.15 142.99 107061.55 03:40:06 1.45 0.01 1.43 0.01 0.20 66.28 0.18 03:50:16 1.45 0.00 1.44 0.01 0.00 23.30 0.20 Average: 4.28 0.28 2.68 1.31 22.46 294.54 9057.01 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:16 6289976 7536740 283588 3.49 30564 1421884 523896 5.71 444704 1183064 124 02:10:06 6289976 7537272 283060 3.48 30760 1422220 523892 5.71 444768 1183596 176 02:20:16 6248080 7524588 295148 3.63 31160 1450644 524028 5.71 456292 1201044 224 02:30:16 6252808 7529856 289880 3.56 31348 1450976 524044 5.71 456208 1201564 124 02:40:16 6264488 7542040 277684 3.41 31512 1451308 524108 5.71 456468 1202060 124 02:50:02 6239552 7532228 287168 3.53 31792 1466088 540752 5.89 483816 1215468 288 03:00:06 5251036 7362800 408708 5.03 84948 2190952 659340 7.18 619784 1949456 256 03:10:16 5231904 7345764 425768 5.24 85064 2192940 668200 7.28 620156 1951552 288 03:20:16 5236204 7351220 420344 5.17 85200 2193964 687740 7.49 639688 1952712 164 03:30:16 5184900 7337260 434024 5.34 85372 2231020 677428 7.38 629916 1989920 216 03:40:06 5089876 7257356 513584 6.32 85536 2245772 812832 8.85 715872 2004704 184 03:50:16 5142580 7312152 458864 5.64 85668 2247700 724548 7.89 677388 2006768 124 Average: 5726782 7430773 364818 4.49 58244 1830456 615901 6.71 553755 1586826 191 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:16 ens3 1.60 0.08 0.21 0.03 0.00 0.00 0.00 0.00 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 0.41 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 0.48 0.22 3.03 0.03 0.00 0.00 0.00 0.00 02:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:16 ens3 0.32 0.04 0.19 0.01 0.00 0.00 0.00 0.00 02:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:16 ens3 0.29 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:50:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 8.72 4.92 20.37 3.07 0.00 0.00 0.00 0.00 03:00:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:06 ens3 65.37 46.43 388.50 9.46 0.00 0.00 0.00 0.00 03:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:16 ens3 16.23 14.89 165.29 1.26 0.00 0.00 0.00 0.00 03:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:16 ens3 3.21 2.71 5.07 0.47 0.00 0.00 0.00 0.00 03:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:16 ens3 16.96 15.57 185.63 1.70 0.00 0.00 0.00 0.00 03:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:06 ens3 12.89 11.65 122.79 1.50 0.00 0.00 0.00 0.00 03:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:16 ens3 14.06 13.10 137.82 1.14 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 11.74 9.17 86.03 1.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3174) 04/16/26 _x86_64_ (2 CPU) 01:48:28 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:16 all 0.27 0.00 0.16 0.01 0.04 99.52 02:00:16 0 0.24 0.00 0.18 0.01 0.04 99.53 02:00:16 1 0.30 0.00 0.15 0.01 0.04 99.51 02:10:06 all 0.23 0.00 0.07 0.01 0.04 99.65 02:10:06 0 0.05 0.00 0.08 0.00 0.05 99.82 02:10:06 1 0.41 0.00 0.06 0.02 0.03 99.48 02:20:16 all 0.35 0.00 0.10 0.03 0.04 99.48 02:20:16 0 0.29 0.00 0.09 0.02 0.04 99.56 02:20:16 1 0.42 0.00 0.12 0.03 0.04 99.39 02:30:16 all 0.28 0.00 0.16 0.01 0.03 99.52 02:30:16 0 0.26 0.00 0.17 0.01 0.03 99.53 02:30:16 1 0.31 0.00 0.15 0.02 0.03 99.50 02:40:16 all 0.27 0.00 0.07 0.01 0.03 99.63 02:40:16 0 0.08 0.00 0.09 0.00 0.03 99.81 02:40:16 1 0.46 0.00 0.05 0.01 0.02 99.46 02:50:02 all 0.53 0.00 0.10 0.01 0.03 99.33 02:50:02 0 0.38 0.00 0.11 0.01 0.03 99.47 02:50:02 1 0.67 0.00 0.09 0.02 0.03 99.19 03:00:06 all 11.08 0.00 1.80 0.55 0.06 86.51 03:00:06 0 8.21 0.00 1.61 0.63 0.05 89.49 03:00:06 1 13.96 0.00 1.98 0.47 0.07 83.53 03:10:16 all 0.89 0.00 0.22 0.00 0.06 98.82 03:10:16 0 0.95 0.00 0.24 0.01 0.06 98.74 03:10:16 1 0.84 0.00 0.21 0.00 0.06 98.89 03:20:16 all 7.46 0.00 0.62 0.01 0.07 91.84 03:20:16 0 5.28 0.00 0.46 0.01 0.07 94.18 03:20:16 1 9.73 0.00 0.78 0.01 0.08 89.40 03:30:16 all 1.64 0.00 0.36 0.03 0.07 97.90 03:30:16 0 1.77 0.00 0.30 0.02 0.06 97.86 03:30:16 1 1.51 0.00 0.43 0.05 0.07 97.94 03:40:06 all 2.87 0.00 0.47 0.02 0.07 96.57 03:40:06 0 0.69 0.00 0.15 0.02 0.04 99.09 03:40:06 1 5.04 0.00 0.80 0.01 0.10 94.05 03:40:06 CPU %user %nice %system %iowait %steal %idle 03:50:16 all 0.88 0.00 0.22 0.01 0.06 98.82 03:50:16 0 1.25 0.00 0.31 0.01 0.07 98.36 03:50:16 1 0.52 0.00 0.14 0.00 0.05 99.29 Average: all 2.22 0.00 0.36 0.06 0.05 97.31 Average: 0 1.62 0.00 0.32 0.06 0.05 97.95 Average: 1 2.82 0.00 0.41 0.05 0.05 96.67