---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37913 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 8.1G 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 762 5005 4 2468 7179 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:19:34:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81742sec preferred_lft 81742sec inet6 fe80::f816:3eff:fe19:34da/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-37913) 07/23/26 _x86_64_ (2 CPU) 01:48:06 LINUX RESTART (2 CPU) 01:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.41 0.03 1.38 0.01 1.26 17.45 443.66 02:10:51 1.23 0.01 1.22 0.00 0.05 14.64 0.11 02:20:11 1.84 0.27 1.55 0.01 33.20 79.71 0.31 02:30:01 1.44 0.01 1.40 0.03 1.07 17.63 1.46 02:40:51 1.29 0.02 1.25 0.02 1.98 15.62 1.37 02:50:11 1.40 0.00 1.39 0.02 0.00 16.67 1.16 03:00:01 24.32 2.91 19.02 2.38 228.25 3764.47 527.31 Average: 4.65 0.45 3.84 0.35 37.20 552.27 137.30 01:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6282048 7528380 291760 3.59 30532 1421640 528016 5.75 446568 1183152 156 02:10:51 6281124 7528004 292164 3.59 30720 1422000 528016 5.75 446620 1183700 128 02:20:11 6237516 7511664 307972 3.79 31052 1448572 728472 7.93 461168 1201840 172 02:30:01 6248128 7523100 296568 3.65 31248 1449184 528244 5.75 455824 1202336 240 02:40:51 6231912 7508132 311508 3.83 31484 1450184 528244 5.75 456664 1203012 124 02:50:11 6231412 7508268 311256 3.83 31688 1450648 528340 5.75 457308 1203512 200 03:00:01 5086256 7360804 404728 4.98 87472 2346376 680748 7.41 632768 2109932 3972 Average: 6085485 7495479 316565 3.89 39171 1569801 578583 6.30 479560 1326783 713 01:50:11 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 1.57 0.07 0.20 0.03 0.00 0.00 0.00 0.00 02:10:51 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:51 ens3 0.83 0.03 6.26 0.01 0.00 0.00 0.00 0.00 02:20:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:11 ens3 0.98 0.54 3.49 0.05 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 0.18 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:40:51 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:51 ens3 0.29 0.09 0.09 0.03 0.00 0.00 0.00 0.00 02:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:11 ens3 0.31 0.08 0.11 0.06 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 78.54 55.69 387.31 14.78 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 11.64 7.95 56.00 2.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37913) 07/23/26 _x86_64_ (2 CPU) 01:48:06 LINUX RESTART (2 CPU) 01:50:11 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.24 0.00 0.17 0.02 0.03 99.55 02:00:01 0 0.30 0.00 0.17 0.02 0.02 99.49 02:00:01 1 0.17 0.00 0.17 0.01 0.03 99.62 02:10:51 all 0.26 0.00 0.08 0.01 0.02 99.63 02:10:51 0 0.45 0.00 0.07 0.02 0.02 99.44 02:10:51 1 0.06 0.00 0.09 0.01 0.03 99.81 02:20:11 all 0.40 0.00 0.11 0.35 0.03 99.11 02:20:11 0 0.52 0.00 0.12 0.67 0.02 98.66 02:20:11 1 0.28 0.00 0.10 0.03 0.03 99.56 02:30:01 all 0.29 0.00 0.16 0.01 0.02 99.51 02:30:01 0 0.26 0.00 0.16 0.02 0.02 99.55 02:30:01 1 0.33 0.00 0.16 0.00 0.03 99.48 02:40:51 all 0.28 0.00 0.08 0.02 0.02 99.59 02:40:51 0 0.33 0.00 0.08 0.01 0.02 99.56 02:40:51 1 0.24 0.00 0.09 0.04 0.02 99.61 02:50:11 all 0.26 0.00 0.08 0.01 0.02 99.63 02:50:11 0 0.28 0.00 0.09 0.01 0.02 99.60 02:50:11 1 0.24 0.00 0.08 0.01 0.02 99.66 03:00:01 all 17.95 0.00 1.98 0.52 0.09 79.47 03:00:01 0 14.54 0.00 2.01 0.56 0.10 82.79 03:00:01 1 21.35 0.00 1.94 0.49 0.07 76.14 Average: all 2.77 0.00 0.38 0.13 0.03 96.69 Average: 0 2.35 0.00 0.38 0.18 0.03 97.06 Average: 1 3.19 0.00 0.37 0.08 0.03 96.33