---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66322 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: 5599.94 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 739 5307 4 2183 7202 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:04:c0:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81181sec preferred_lft 81181sec inet6 fe80::f816:3eff:fe04:c09c/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-66322) 04/04/26 _x86_64_ (2 CPU) 00:41:46 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 14.14 0.01 1.47 12.65 0.20 18.13 110427.93 01:10:06 1.14 0.00 1.12 0.02 0.00 13.77 1.19 01:20:06 1.17 0.00 1.15 0.02 0.01 14.27 1.20 01:30:01 2.07 0.32 1.71 0.05 40.41 75.80 660.21 01:40:06 1.14 0.00 1.13 0.02 0.00 14.25 1.19 01:50:06 21.88 3.02 16.61 2.25 227.76 3131.64 1157.60 02:00:01 1.61 0.01 1.59 0.02 0.58 35.83 0.26 Average: 6.16 0.48 3.54 2.13 38.42 472.36 15936.68 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6280608 7531500 289364 3.56 30776 1425732 524644 5.71 452244 1187608 128 01:10:06 6278676 7530088 290768 3.58 30960 1426064 524816 5.72 452364 1188124 188 01:20:06 6278424 7530376 290480 3.57 31164 1426392 525004 5.72 452676 1188656 184 01:30:01 6241876 7522864 297332 3.66 31564 1454656 525048 5.72 464244 1205916 156 01:40:06 6249464 7531140 289084 3.55 31760 1455112 525224 5.72 464888 1206468 208 01:50:06 5343516 7455476 316668 3.89 85048 2190984 557280 6.07 553316 1950072 2608 02:00:01 5257528 7371932 400268 4.92 85196 2193356 650988 7.09 612816 1952592 320 Average: 5990013 7496197 310566 3.82 46638 1653185 547572 5.96 493221 1411348 542 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.65 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.55 0.06 2.44 0.03 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.54 0.08 0.30 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.51 0.22 3.10 0.05 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.55 0.29 0.15 0.64 0.00 0.00 0.00 0.00 01:50:06 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:06 ens3 63.87 40.36 297.97 10.79 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 12.39 9.36 37.61 1.30 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 11.29 7.20 48.82 1.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66322) 04/04/26 _x86_64_ (2 CPU) 00:41:46 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.27 0.00 0.17 0.04 0.04 99.48 01:00:01 0 0.22 0.00 0.17 0.02 0.03 99.56 01:00:01 1 0.33 0.00 0.18 0.05 0.04 99.40 01:10:06 all 0.24 0.00 0.06 0.01 0.04 99.65 01:10:06 0 0.42 0.00 0.05 0.00 0.03 99.49 01:10:06 1 0.05 0.00 0.08 0.02 0.05 99.81 01:20:06 all 0.25 0.00 0.07 0.01 0.04 99.64 01:20:06 0 0.44 0.00 0.05 0.00 0.03 99.47 01:20:06 1 0.05 0.00 0.08 0.02 0.05 99.80 01:30:01 all 0.40 0.00 0.20 0.03 0.04 99.34 01:30:01 0 0.38 0.00 0.15 0.02 0.03 99.41 01:30:01 1 0.42 0.00 0.24 0.03 0.05 99.26 01:40:06 all 0.25 0.00 0.07 0.01 0.04 99.64 01:40:06 0 0.40 0.00 0.05 0.01 0.03 99.52 01:40:06 1 0.10 0.00 0.08 0.01 0.04 99.76 01:50:06 all 10.55 0.00 1.58 0.55 0.05 87.27 01:50:06 0 10.16 0.00 1.62 0.64 0.04 87.54 01:50:06 1 10.95 0.00 1.54 0.45 0.06 87.00 02:00:01 all 0.99 0.00 0.28 0.01 0.08 98.64 02:00:01 0 0.79 0.00 0.22 0.01 0.06 98.91 02:00:01 1 1.19 0.00 0.34 0.01 0.09 98.37 Average: all 1.85 0.00 0.35 0.09 0.05 97.67 Average: 0 1.83 0.00 0.33 0.10 0.04 97.70 Average: 1 1.87 0.00 0.36 0.09 0.05 97.63