---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1119 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 751 5213 4 2265 7190 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:85:de:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79306sec preferred_lft 79306sec inet6 fe80::f816:3eff:fe85:de28/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1119) 04/08/26 _x86_64_ (2 CPU) 00:41:35 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 1.52 0.01 1.48 0.02 1.10 18.86 0.91 01:10:01 1.14 0.00 1.12 0.02 0.00 13.73 1.09 01:20:06 1.16 0.00 1.14 0.02 0.01 14.00 1.19 01:30:06 1.29 0.00 1.26 0.03 0.00 16.45 1.57 01:40:01 1.31 0.00 1.29 0.02 0.00 16.71 1.29 01:50:06 35.47 3.02 16.92 15.53 226.91 3099.61 106618.50 02:00:06 1.49 0.00 1.47 0.02 0.00 24.92 0.31 02:10:01 1.28 0.00 1.28 0.00 0.00 18.11 0.00 02:20:00 1.61 0.02 1.59 0.01 0.60 143.47 390.13 02:30:06 1.59 0.00 1.56 0.03 0.00 33.03 0.58 Average: 4.81 0.31 2.92 1.58 23.04 342.26 10784.13 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 6242896 7522580 297236 3.65 30944 1454204 527196 5.74 457528 1204296 192 01:10:01 6263704 7543904 275888 3.39 31140 1454528 527364 5.74 457744 1204804 280 01:20:06 6268312 7549072 270692 3.33 31344 1454860 527364 5.74 457820 1205352 232 01:30:06 6256272 7537584 282136 3.47 31540 1455188 527364 5.74 457836 1205876 280 01:40:01 6258268 7540272 279448 3.44 31772 1455644 527492 5.75 458600 1206436 248 01:50:06 5270936 7385332 386268 4.75 85176 2193572 637872 6.95 601464 1952184 240 02:00:06 5255848 7372384 399168 4.91 85328 2195560 646388 7.04 602148 1954324 280 02:10:01 5193288 7344128 427380 5.26 85476 2229692 688356 7.50 643068 1988592 33392 02:20:00 5194480 7349632 421652 5.18 85652 2233776 719564 7.84 615820 1992740 156 02:30:06 5166872 7326588 444828 5.47 85808 2238112 696316 7.58 649300 1997108 384 Average: 5737088 7447148 348470 4.28 58418 1836514 602528 6.56 540133 1591171 3568 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.88 0.06 0.10 0.03 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 0.92 0.04 4.40 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 0.47 0.03 0.88 0.01 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.52 0.14 0.17 0.10 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 63.79 47.59 406.42 12.24 0.00 0.00 0.00 0.00 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 16.42 15.05 168.07 1.30 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 5.00 4.26 41.44 0.58 0.00 0.00 0.00 0.00 02:20:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 15.41 15.02 149.95 1.62 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 22.55 21.49 222.77 2.22 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.68 10.42 99.88 1.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1119) 04/08/26 _x86_64_ (2 CPU) 00:41:35 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 0.25 0.00 0.17 0.01 0.03 99.54 01:00:06 0 0.28 0.00 0.16 0.00 0.02 99.54 01:00:06 1 0.23 0.00 0.18 0.02 0.03 99.54 01:10:01 all 0.27 0.00 0.07 0.01 0.02 99.62 01:10:01 0 0.19 0.00 0.08 0.02 0.03 99.69 01:10:01 1 0.36 0.00 0.06 0.01 0.02 99.56 01:20:06 all 0.23 0.00 0.07 0.01 0.03 99.67 01:20:06 0 0.34 0.00 0.05 0.01 0.02 99.57 01:20:06 1 0.11 0.00 0.09 0.00 0.03 99.77 01:30:06 all 0.27 0.00 0.16 0.02 0.03 99.53 01:30:06 0 0.07 0.00 0.19 0.03 0.03 99.68 01:30:06 1 0.47 0.00 0.14 0.00 0.02 99.37 01:40:01 all 0.27 0.00 0.08 0.01 0.03 99.62 01:40:01 0 0.26 0.00 0.08 0.00 0.03 99.63 01:40:01 1 0.27 0.00 0.07 0.02 0.03 99.61 01:50:06 all 11.21 0.00 1.73 0.53 0.06 86.47 01:50:06 0 11.45 0.00 1.88 0.39 0.07 86.22 01:50:06 1 10.96 0.00 1.58 0.68 0.05 86.73 02:00:06 all 0.91 0.00 0.30 0.01 0.06 98.72 02:00:06 0 0.74 0.00 0.27 0.01 0.05 98.93 02:00:06 1 1.07 0.00 0.33 0.01 0.08 98.51 02:10:01 all 8.20 0.00 0.66 0.01 0.06 91.07 02:10:01 0 9.35 0.00 0.66 0.01 0.06 89.92 02:10:01 1 6.99 0.00 0.67 0.00 0.07 92.27 02:20:00 all 1.43 0.00 0.25 0.01 0.06 98.25 02:20:00 0 1.62 0.00 0.18 0.01 0.04 98.14 02:20:00 1 1.24 0.00 0.32 0.01 0.07 98.36 02:30:06 all 1.72 0.00 0.43 0.01 0.05 97.79 02:30:06 0 2.37 0.00 0.62 0.01 0.07 96.93 02:30:06 1 1.08 0.00 0.24 0.01 0.03 98.64 Average: all 2.47 0.00 0.39 0.06 0.04 97.03 Average: 0 2.68 0.00 0.42 0.05 0.04 96.81 Average: 1 2.26 0.00 0.37 0.08 0.04 97.25