---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37486 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 743 5223 4 2273 7198 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:27:6c:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80507sec preferred_lft 80507sec inet6 fe80::f816:3eff:fe27:6c56/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37486) 07/21/26 _x86_64_ (2 CPU) 01:58:28 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:04 1.50 0.02 1.47 0.01 1.23 17.36 0.60 02:20:04 1.41 0.01 1.38 0.02 0.07 16.33 1.20 02:30:01 1.60 0.00 1.57 0.03 0.00 18.89 658.18 02:40:04 1.37 0.00 1.35 0.02 0.00 15.86 1.19 02:50:04 14.56 0.26 1.74 12.57 32.17 77.69 109121.21 03:00:01 1.58 0.00 1.55 0.03 0.00 18.75 1.46 03:10:04 1.35 0.00 1.35 0.00 0.00 15.70 0.24 03:20:04 17.77 1.69 14.64 1.45 123.36 2453.07 214.20 03:30:04 15.85 13.54 2.15 0.16 150.68 48.48 8.11 Average: 6.33 1.72 3.02 1.59 34.15 297.85 12215.57 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:04 6297320 7543724 276932 3.41 30556 1421568 529656 5.77 443736 1183260 172 02:20:04 6311744 7558716 261960 3.22 30784 1421900 529648 5.77 443804 1183820 176 02:30:01 6309404 7556944 263812 3.24 30992 1422236 529724 5.77 443868 1184364 124 02:40:04 6308956 7557048 263700 3.24 31208 1422564 529856 5.77 443992 1184908 180 02:50:04 6244728 7520500 299656 3.68 31584 1449488 529984 5.77 453224 1203104 180 03:00:01 6245712 7522168 297944 3.66 31784 1449940 530072 5.77 453616 1203628 240 03:10:04 6254496 7531456 288656 3.55 31960 1450264 532180 5.80 453960 1204128 248 03:20:04 5511340 7464892 314488 3.87 73564 2050760 570832 6.22 521600 1827656 368 03:30:04 5437472 7447084 323428 3.98 76908 2095376 570856 6.22 522060 1875016 192 Average: 6102352 7522504 287842 3.54 41038 1576011 539201 5.87 464429 1338876 209 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 1.82 0.12 0.29 0.02 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 2.12 0.05 0.14 0.01 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 2.96 0.06 0.17 0.02 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 2.06 0.06 1.08 0.03 0.00 0.00 0.00 0.00 02:50:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 1.42 0.81 3.29 0.08 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 0.31 0.07 0.11 0.05 0.00 0.00 0.00 0.00 03:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:04 ens3 0.25 0.07 0.08 0.04 0.00 0.00 0.00 0.00 03:20:04 lo 1.23 1.23 0.07 0.07 0.00 0.00 0.00 0.00 03:20:04 ens3 40.64 25.67 287.11 6.70 0.00 0.00 0.00 0.00 03:30:04 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 03:30:04 ens3 3.11 0.80 0.33 0.13 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 6.07 3.08 32.49 0.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37486) 07/21/26 _x86_64_ (2 CPU) 01:58:28 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:04 all 0.23 0.00 0.09 0.02 0.03 99.63 02:10:04 0 0.40 0.00 0.08 0.02 0.02 99.48 02:10:04 1 0.06 0.00 0.10 0.02 0.04 99.78 02:20:04 all 0.25 0.00 0.08 0.20 0.02 99.44 02:20:04 0 0.45 0.00 0.07 0.27 0.02 99.20 02:20:04 1 0.06 0.00 0.09 0.14 0.03 99.68 02:30:01 all 0.30 0.00 0.20 0.01 0.02 99.46 02:30:01 0 0.33 0.00 0.21 0.01 0.02 99.43 02:30:01 1 0.28 0.00 0.18 0.02 0.02 99.50 02:40:04 all 0.29 0.00 0.11 0.01 0.02 99.57 02:40:04 0 0.49 0.00 0.10 0.00 0.02 99.39 02:40:04 1 0.09 0.00 0.11 0.02 0.02 99.76 02:50:04 all 0.39 0.00 0.13 0.05 0.02 99.41 02:50:04 0 0.44 0.00 0.13 0.04 0.02 99.38 02:50:04 1 0.34 0.00 0.12 0.07 0.02 99.45 03:00:01 all 0.28 0.00 0.18 0.03 0.02 99.50 03:00:01 0 0.14 0.00 0.18 0.04 0.02 99.62 03:00:01 1 0.42 0.00 0.18 0.01 0.02 99.37 03:10:04 all 0.30 0.00 0.10 0.01 0.11 99.47 03:10:04 0 0.34 0.00 0.07 0.01 0.09 99.49 03:10:04 1 0.27 0.00 0.13 0.01 0.13 99.46 03:20:04 all 8.32 0.00 1.17 0.43 0.04 90.04 03:20:04 0 11.85 0.00 1.40 0.37 0.05 86.33 03:20:04 1 4.79 0.00 0.93 0.49 0.04 93.76 03:30:04 all 0.31 0.20 0.41 0.31 0.03 98.74 03:30:04 0 0.36 0.14 0.38 0.25 0.02 98.86 03:30:04 1 0.26 0.27 0.44 0.37 0.03 98.63 Average: all 1.19 0.02 0.27 0.12 0.03 98.37 Average: 0 1.64 0.02 0.29 0.11 0.03 97.91 Average: 1 0.73 0.03 0.25 0.13 0.04 98.82