---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1911 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 750 5293 4 2187 7191 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:64:99:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82220sec preferred_lft 82220sec inet6 fe80::f816:3eff:fe64:9964/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1911) 04/11/26 _x86_64_ (2 CPU) 01:48:27 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:08 1.61 0.02 1.56 0.02 1.22 18.65 646.12 02:10:08 2.08 0.33 1.74 0.02 40.12 74.61 0.61 02:20:01 1.32 0.00 1.32 0.00 0.01 15.24 0.00 02:30:08 1.66 0.00 1.65 0.01 0.00 19.50 645.49 02:40:08 1.42 0.00 1.42 0.00 0.00 15.97 0.00 02:50:00 1.81 0.41 1.41 0.00 16.05 47.83 0.00 Average: 1.65 0.13 1.52 0.01 9.53 31.91 218.08 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:08 6277328 7528004 292544 3.60 30636 1425880 524868 5.72 452804 1187108 208 02:10:08 6230808 7510620 309292 3.80 31020 1454248 524932 5.72 464316 1204484 124 02:20:01 6230420 7510720 309184 3.80 31184 1454568 525076 5.72 464396 1204968 124 02:30:08 6234644 7515508 304436 3.74 31392 1454900 525068 5.72 464488 1205508 176 02:40:08 6239532 7520900 299068 3.68 31560 1455232 525132 5.72 464564 1206008 180 02:50:00 6226668 7523220 296420 3.64 31868 1470036 541556 5.90 484656 1219468 92 Average: 6239900 7518162 301824 3.71 31277 1452477 527772 5.75 465871 1204591 151 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 1.42 0.07 0.19 0.03 0.00 0.00 0.00 0.00 02:10:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.68 0.22 3.08 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.24 0.02 0.04 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.28 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.39 0.07 0.11 0.06 0.00 0.00 0.00 0.00 02:50:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 8.29 5.12 20.30 3.13 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.87 0.91 3.92 0.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1911) 04/11/26 _x86_64_ (2 CPU) 01:48:27 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:08 all 0.30 0.00 0.18 0.01 0.03 99.48 02:00:08 0 0.42 0.00 0.16 0.02 0.03 99.37 02:00:08 1 0.17 0.00 0.19 0.00 0.04 99.59 02:10:08 all 0.39 0.00 0.13 0.02 0.03 99.43 02:10:08 0 0.48 0.00 0.13 0.04 0.03 99.32 02:10:08 1 0.30 0.00 0.12 0.00 0.04 99.54 02:20:01 all 0.24 0.00 0.08 0.01 0.03 99.64 02:20:01 0 0.20 0.00 0.08 0.01 0.03 99.68 02:20:01 1 0.27 0.00 0.08 0.01 0.03 99.61 02:30:08 all 0.27 0.00 0.16 0.02 0.03 99.52 02:30:08 0 0.45 0.00 0.13 0.03 0.03 99.36 02:30:08 1 0.08 0.00 0.19 0.00 0.04 99.69 02:40:08 all 0.24 0.00 0.08 0.01 0.03 99.64 02:40:08 0 0.36 0.00 0.06 0.01 0.03 99.54 02:40:08 1 0.12 0.00 0.09 0.02 0.04 99.74 02:50:00 all 0.47 0.00 0.10 0.01 0.03 99.38 02:50:00 0 0.46 0.00 0.09 0.02 0.03 99.40 02:50:00 1 0.48 0.00 0.11 0.01 0.03 99.37 Average: all 0.32 0.00 0.12 0.01 0.03 99.52 Average: 0 0.40 0.00 0.11 0.02 0.03 99.44 Average: 1 0.24 0.00 0.13 0.01 0.04 99.59