---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26998 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: 5600.00 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 756 5204 4 2273 7185 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:b2:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81281sec preferred_lft 81281sec inet6 fe80::f816:3eff:fea7:b298/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26998) 06/13/26 _x86_64_ (2 CPU) 01:48:05 LINUX RESTART (2 CPU) 01:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.64 0.03 1.60 0.01 1.25 19.27 659.88 02:10:46 1.37 0.01 1.37 0.00 0.05 15.88 0.11 02:20:16 15.22 0.27 1.75 13.20 32.77 78.75 114933.06 02:30:01 1.55 0.00 1.51 0.03 0.00 18.27 671.21 02:40:46 1.35 0.00 1.34 0.02 0.00 15.76 1.23 02:50:06 1.40 0.00 1.39 0.02 0.00 16.16 1.16 03:00:01 24.44 3.03 19.09 2.32 229.78 3506.09 554.65 03:10:16 1.38 0.00 1.38 0.00 0.00 22.05 0.08 Average: 5.92 0.41 3.65 1.86 32.44 456.09 13852.00 01:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6284136 7530664 289536 3.56 30552 1421640 528136 5.75 449824 1183284 124 02:10:46 6284132 7531212 289012 3.55 30740 1422000 528272 5.75 449968 1183832 124 02:20:16 6236832 7510780 309016 3.80 31104 1448148 724172 7.89 464452 1201552 164 02:30:01 6232812 7507332 312216 3.84 31336 1448452 724168 7.89 464480 1202084 188 02:40:46 6238352 7513456 306156 3.76 31560 1448808 726072 7.91 461272 1202668 156 02:50:06 6246192 7521916 297688 3.66 31748 1449232 726704 7.92 462296 1203152 88 03:00:01 5171148 7376824 389812 4.79 87020 2278756 829396 9.03 603680 2042388 284 03:10:16 5131508 7339252 427400 5.26 87168 2280688 852268 9.28 618536 2044456 176 Average: 5978139 7478930 327604 4.03 45154 1649716 704898 7.68 496814 1407927 163 01:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.30 0.06 0.15 0.03 0.00 0.00 0.00 0.00 02:10:46 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:46 ens3 0.42 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 0.95 0.45 4.30 0.04 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.30 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:40:46 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:46 ens3 0.42 0.10 0.13 0.07 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 0.59 0.27 0.18 0.73 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 74.90 50.69 335.83 11.95 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 14.01 12.13 104.74 1.08 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 11.54 7.94 55.48 1.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26998) 06/13/26 _x86_64_ (2 CPU) 01:48:05 LINUX RESTART (2 CPU) 01:50:06 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.27 0.00 0.16 0.04 0.03 99.51 02:00:01 0 0.41 0.00 0.15 0.07 0.03 99.34 02:00:01 1 0.12 0.00 0.17 0.01 0.04 99.67 02:10:46 all 0.25 0.00 0.07 0.01 0.03 99.63 02:10:46 0 0.46 0.00 0.06 0.01 0.03 99.44 02:10:46 1 0.05 0.00 0.08 0.01 0.04 99.82 02:20:16 all 0.33 0.00 0.12 0.86 0.03 98.66 02:20:16 0 0.54 0.00 0.13 0.28 0.03 99.02 02:20:16 1 0.11 0.00 0.11 1.44 0.03 98.30 02:30:01 all 0.29 0.00 0.17 0.01 0.03 99.51 02:30:01 0 0.40 0.00 0.17 0.02 0.03 99.39 02:30:01 1 0.17 0.00 0.17 0.01 0.03 99.62 02:40:46 all 0.25 0.00 0.08 0.06 0.03 99.59 02:40:46 0 0.38 0.00 0.06 0.07 0.03 99.46 02:40:46 1 0.11 0.00 0.09 0.04 0.04 99.72 02:50:06 all 0.24 0.00 0.08 0.02 0.03 99.64 02:50:06 0 0.23 0.00 0.08 0.01 0.03 99.65 02:50:06 1 0.24 0.00 0.08 0.02 0.03 99.63 03:00:01 all 12.07 0.00 1.84 0.58 0.07 85.44 03:00:01 0 9.86 0.00 1.76 0.46 0.07 87.84 03:00:01 1 14.28 0.00 1.92 0.70 0.07 83.03 03:10:16 all 0.82 0.00 0.21 0.01 0.07 98.89 03:10:16 0 0.90 0.00 0.21 0.00 0.08 98.81 03:10:16 1 0.75 0.00 0.20 0.01 0.06 98.98 Average: all 1.80 0.00 0.34 0.19 0.04 97.64 Average: 0 1.63 0.00 0.33 0.11 0.04 97.89 Average: 1 1.96 0.00 0.35 0.27 0.04 97.38