---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12827 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 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 774 5275 4 2180 7167 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:a8:56:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80630sec preferred_lft 80630sec inet6 fe80::f816:3eff:fea8:56d1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12827) 05/12/26 _x86_64_ (2 CPU) 00:45:13 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:09 1.73 0.02 1.68 0.03 1.22 20.11 644.83 01:10:00 1.85 0.26 1.56 0.03 31.52 74.85 1.40 01:20:01 1.35 0.00 1.34 0.01 0.01 15.73 0.72 01:30:09 1.54 0.00 1.53 0.01 0.00 18.07 429.88 01:40:09 1.40 0.00 1.40 0.00 0.00 15.97 0.00 01:50:00 1.32 0.00 1.32 0.00 0.00 15.33 0.00 02:00:00 1.63 0.03 1.60 0.01 2.15 18.84 435.87 02:10:01 1.37 0.00 1.37 0.00 0.00 15.76 0.00 02:20:01 38.59 3.07 19.39 16.12 228.35 3285.32 109746.52 Average: 5.64 0.38 3.47 1.80 29.21 386.69 12367.95 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:09 6292504 7539492 281156 3.46 30616 1422056 528184 5.75 445380 1183204 132 01:10:00 6263768 7537468 282756 3.48 31036 1447996 721176 7.86 458704 1200800 124 01:20:01 6263264 7537496 282680 3.48 31232 1448324 721176 7.86 459032 1201324 124 01:30:09 6260120 7534916 285168 3.51 31428 1448648 721332 7.86 459188 1201844 180 01:40:09 6260528 7535812 284256 3.50 31584 1448976 721400 7.86 459224 1202328 132 01:50:00 6257956 7533852 286196 3.52 31744 1449428 722832 7.87 461316 1202804 136 02:00:00 6246272 7523356 296624 3.65 31928 1450396 722896 7.87 461928 1203400 148 02:10:01 6246272 7523852 296128 3.64 32088 1450724 722908 7.87 462232 1203892 124 02:20:01 5386920 7358420 422304 5.19 86528 2057228 871548 9.49 661828 1819304 53328 Average: 6164178 7513852 301919 3.71 37576 1513753 717050 7.81 480981 1268767 6048 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.87 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.79 0.29 3.22 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.64 0.09 0.70 0.06 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.33 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 0.40 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.34 0.21 0.08 0.60 0.00 0.00 0.00 0.00 02:00:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 0.26 0.09 0.07 0.04 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.27 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 02:20:01 ens3 136.29 112.80 1371.88 85.45 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 15.58 12.64 152.97 9.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12827) 05/12/26 _x86_64_ (2 CPU) 00:45:13 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:09 all 0.27 0.00 0.17 0.02 0.03 99.51 01:00:09 0 0.12 0.00 0.18 0.02 0.03 99.65 01:00:09 1 0.42 0.00 0.16 0.02 0.02 99.37 01:10:00 all 0.36 0.00 0.10 0.30 0.03 99.22 01:10:00 0 0.45 0.00 0.09 0.01 0.02 99.43 01:10:00 1 0.27 0.00 0.12 0.58 0.03 99.00 01:20:01 all 0.27 0.00 0.08 0.14 0.02 99.49 01:20:01 0 0.47 0.00 0.06 0.03 0.02 99.42 01:20:01 1 0.07 0.00 0.09 0.24 0.02 99.57 01:30:09 all 0.29 0.00 0.16 0.23 0.02 99.30 01:30:09 0 0.42 0.00 0.14 0.40 0.02 99.03 01:30:09 1 0.17 0.00 0.18 0.06 0.02 99.57 01:40:09 all 0.26 0.00 0.09 0.32 0.02 99.32 01:40:09 0 0.16 0.00 0.09 0.36 0.02 99.38 01:40:09 1 0.36 0.00 0.09 0.27 0.02 99.26 01:50:00 all 0.25 0.00 0.08 0.04 0.02 99.62 01:50:00 0 0.13 0.00 0.11 0.00 0.02 99.74 01:50:00 1 0.36 0.00 0.06 0.07 0.02 99.49 02:00:00 all 0.31 0.00 0.18 0.02 0.03 99.46 02:00:00 0 0.39 0.00 0.18 0.01 0.03 99.39 02:00:00 1 0.23 0.00 0.18 0.03 0.02 99.54 02:10:01 all 0.23 0.00 0.08 0.03 0.02 99.63 02:10:01 0 0.17 0.00 0.08 0.05 0.02 99.68 02:10:01 1 0.30 0.00 0.09 0.01 0.02 99.58 02:20:01 all 17.46 0.00 2.41 2.11 0.12 77.90 02:20:01 0 13.37 0.00 2.01 3.27 0.10 81.26 02:20:01 1 21.57 0.00 2.81 0.96 0.14 74.52 Average: all 2.18 0.00 0.37 0.35 0.03 97.06 Average: 0 1.73 0.00 0.33 0.46 0.03 97.45 Average: 1 2.62 0.00 0.42 0.25 0.03 96.68