---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-767 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 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 759 5019 4 2456 7182 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:3a:52:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81630sec preferred_lft 81630sec inet6 fe80::f816:3eff:fe3a:52bc/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-767) 07/31/26 _x86_64_ (2 CPU) 01:44:52 LINUX RESTART (2 CPU) 01:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:24 1.51 0.03 1.47 0.01 1.27 17.72 429.00 02:10:04 14.20 0.00 1.21 12.99 0.15 14.57 112951.72 02:20:04 1.15 0.00 1.13 0.01 0.01 13.52 1.08 02:30:24 1.82 0.24 1.53 0.04 29.97 75.03 212.23 02:40:24 1.27 0.01 1.24 0.02 1.05 15.31 1.37 02:50:07 13.50 1.55 11.00 0.95 115.17 1678.98 205.11 03:00:04 14.13 1.36 11.34 1.43 114.67 2123.43 307.61 Average: 6.69 0.45 4.09 2.15 37.16 556.07 15801.92 01:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:24 6297988 7545052 275528 3.39 30632 1422064 531892 5.79 444124 1183532 140 02:10:04 6297748 7545376 275224 3.38 30820 1422436 531916 5.79 444260 1184064 176 02:20:04 6303836 7551980 268612 3.30 31004 1422760 532048 5.80 444356 1184572 28 02:30:24 6254880 7530448 289532 3.56 31412 1449384 732688 7.98 459064 1202840 140 02:40:24 6263792 7540348 279716 3.44 31620 1450152 532740 5.80 455128 1203376 132 02:50:07 5476104 7412396 367080 4.51 71604 2035720 620476 6.76 569956 1812576 207536 03:00:04 5078644 7366240 399452 4.91 87436 2359032 672836 7.33 618732 2122484 4948 Average: 5996142 7498834 307878 3.79 44933 1651650 593514 6.46 490803 1413349 30443 01:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:24 ens3 0.98 0.05 0.09 0.01 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 0.41 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.30 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:30:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:24 ens3 0.50 0.23 3.16 0.05 0.00 0.00 0.00 0.00 02:40:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:24 ens3 6.25 3.88 4.16 3.27 0.00 0.00 0.00 0.00 02:50:07 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:50:07 ens3 42.21 26.47 286.20 10.62 0.00 0.00 0.00 0.00 03:00:04 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 03:00:04 ens3 44.45 37.01 133.40 9.30 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 13.42 9.57 59.89 3.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-767) 07/31/26 _x86_64_ (2 CPU) 01:44:52 LINUX RESTART (2 CPU) 01:50:14 CPU %user %nice %system %iowait %steal %idle 02:00:24 all 0.29 0.00 0.15 0.01 0.04 99.51 02:00:24 0 0.33 0.00 0.14 0.02 0.03 99.48 02:00:24 1 0.25 0.00 0.16 0.01 0.04 99.55 02:10:04 all 0.23 0.00 0.08 0.03 0.04 99.62 02:10:04 0 0.40 0.00 0.07 0.01 0.03 99.49 02:10:04 1 0.06 0.00 0.10 0.05 0.04 99.75 02:20:04 all 0.24 0.00 0.07 3.69 0.04 95.97 02:20:04 0 0.31 0.00 0.06 0.00 0.03 99.60 02:20:04 1 0.17 0.00 0.08 7.38 0.04 92.33 02:30:24 all 0.35 0.00 0.17 1.53 0.04 97.92 02:30:24 0 0.48 0.00 0.15 0.08 0.03 99.26 02:30:24 1 0.21 0.00 0.18 2.98 0.04 96.59 02:40:24 all 0.39 0.00 0.09 0.01 0.04 99.48 02:40:24 0 0.21 0.00 0.09 0.03 0.04 99.64 02:40:24 1 0.56 0.00 0.09 0.00 0.03 99.31 02:50:07 all 6.36 0.00 0.89 0.92 0.04 91.79 02:50:07 0 8.08 0.00 1.21 1.02 0.04 89.65 02:50:07 1 4.64 0.00 0.58 0.82 0.04 93.92 03:00:04 all 11.45 0.00 1.15 0.30 0.06 87.04 03:00:04 0 9.17 0.00 1.15 0.35 0.06 89.26 03:00:04 1 13.72 0.00 1.15 0.25 0.06 84.83 Average: all 2.73 0.00 0.37 0.93 0.04 95.93 Average: 0 2.68 0.00 0.41 0.21 0.04 96.67 Average: 1 2.78 0.00 0.33 1.65 0.04 95.19