---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-99 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 737 5227 4 2270 7204 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:a2:fe:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81554sec preferred_lft 81554sec inet6 fe80::f816:3eff:fea2:fe68/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-99) 07/29/26 _x86_64_ (2 CPU) 00:39:49 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:34 7.56 3.06 4.45 0.05 364.45 3463.96 208.20 01:00:16 1.57 0.01 1.54 0.02 0.05 18.32 674.22 01:10:01 1.32 0.00 1.31 0.02 0.00 15.77 1.23 01:20:35 13.31 0.00 1.42 11.88 0.15 17.10 103273.25 01:30:26 1.57 0.00 1.53 0.03 0.00 18.89 886.08 01:40:01 1.87 0.26 1.58 0.03 32.33 78.60 1.20 01:50:36 5.39 1.30 3.99 0.10 94.05 617.54 4.14 Average: 4.80 0.69 2.30 1.81 72.98 630.73 15715.03 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:34 6293980 7539940 280232 3.45 30516 1421336 526128 5.73 444448 1183136 148 01:00:16 6297488 7543996 276156 3.40 30720 1421668 526196 5.73 444428 1183672 132 01:10:01 6306484 7553528 266648 3.28 30928 1421992 526348 5.73 444608 1184204 136 01:20:35 6311564 7559220 260908 3.21 31160 1422364 526444 5.73 445040 1184780 124 01:30:26 6297472 7545692 274420 3.37 31372 1422696 526452 5.73 445148 1185324 180 01:40:01 6236732 7512404 307260 3.78 31744 1449424 727320 7.92 460172 1203532 296 01:50:36 5901320 7397808 410164 5.04 47728 1644488 650668 7.09 595980 1401432 23540 Average: 6235006 7521798 296541 3.65 33453 1457710 572794 6.24 468546 1218011 3508 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:34 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:34 ens3 15.43 5.89 33.97 1.65 0.00 0.00 0.00 0.00 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 0.42 0.03 0.04 0.01 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.42 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:20:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:35 ens3 0.61 0.14 0.19 0.10 0.00 0.00 0.00 0.00 01:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:26 ens3 0.30 0.06 0.08 0.04 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 1.13 0.64 3.47 0.76 0.00 0.00 0.00 0.00 01:50:36 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 01:50:36 ens3 22.94 15.09 123.48 4.53 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.15 3.27 24.12 1.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-99) 07/29/26 _x86_64_ (2 CPU) 00:39:49 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:34 all 0.69 0.00 0.43 1.10 0.02 97.77 00:50:34 0 0.54 0.00 0.52 1.33 0.02 97.59 00:50:34 1 0.84 0.00 0.33 0.87 0.01 97.95 01:00:16 all 0.30 0.00 0.17 0.03 0.02 99.49 01:00:16 0 0.31 0.00 0.16 0.02 0.01 99.49 01:00:16 1 0.29 0.00 0.18 0.03 0.02 99.48 01:10:01 all 0.26 0.00 0.08 0.02 0.03 99.61 01:10:01 0 0.42 0.00 0.07 0.01 0.04 99.46 01:10:01 1 0.09 0.00 0.09 0.04 0.02 99.76 01:20:35 all 0.27 0.00 0.09 0.03 0.01 99.59 01:20:35 0 0.12 0.00 0.11 0.06 0.01 99.70 01:20:35 1 0.43 0.00 0.08 0.01 0.01 99.47 01:30:26 all 0.30 0.00 0.18 0.01 0.01 99.49 01:30:26 0 0.09 0.00 0.20 0.02 0.02 99.68 01:30:26 1 0.51 0.00 0.16 0.01 0.01 99.31 01:40:01 all 0.28 0.00 0.12 0.07 0.01 99.52 01:40:01 0 0.35 0.00 0.14 0.12 0.01 99.38 01:40:01 1 0.21 0.00 0.09 0.02 0.01 99.67 01:50:36 all 2.39 0.00 0.40 7.42 0.02 89.77 01:50:36 0 2.89 0.00 0.41 6.74 0.02 89.94 01:50:36 1 1.88 0.00 0.39 8.11 0.03 89.60 Average: all 0.66 0.00 0.21 1.30 0.02 97.81 Average: 0 0.69 0.00 0.23 1.24 0.02 97.81 Average: 1 0.62 0.00 0.19 1.36 0.02 97.81