---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21112 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 8.0G 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 742 5210 4 2280 7199 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:2a:bd:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80015sec preferred_lft 80015sec inet6 fe80::f816:3eff:fe2a:bdd2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21112) 05/29/26 _x86_64_ (2 CPU) 06:58:43 LINUX RESTART (2 CPU) 07:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:17 1.52 0.03 1.50 0.00 1.24 17.61 0.12 07:20:01 14.29 0.01 1.40 12.88 0.22 16.62 112123.80 07:30:17 1.41 0.00 1.39 0.02 0.00 17.20 426.08 07:40:17 1.18 0.00 1.17 0.02 0.00 14.24 1.09 07:50:01 1.83 0.26 1.54 0.03 32.87 76.01 1.46 08:00:17 1.37 0.00 1.34 0.03 0.00 16.87 1.43 08:10:17 1.22 0.00 1.22 0.00 0.00 14.71 0.24 08:20:11 1.74 0.42 1.32 0.00 16.21 47.10 0.00 08:30:17 23.90 2.75 18.86 2.28 214.90 3400.90 898.81 08:40:17 1.49 0.00 1.49 0.00 0.09 33.63 0.12 Average: 4.98 0.35 3.14 1.50 26.66 368.59 11053.54 07:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:17 6304880 7555740 264740 3.26 30580 1425932 528504 5.76 438924 1187152 132 07:20:01 6295856 7547292 273204 3.36 30776 1426308 528568 5.76 439720 1187696 288 07:30:17 6313896 7565896 254556 3.13 31004 1426632 528664 5.76 439996 1188244 156 07:40:17 6311228 7563760 256688 3.16 31200 1426956 528820 5.76 440024 1188768 128 07:50:01 6242248 7521964 298052 3.66 31592 1453404 528820 5.76 449132 1206532 280 08:00:17 6251248 7531684 288316 3.55 31820 1453856 528948 5.76 449452 1207084 124 08:10:17 6251248 7532184 287808 3.54 31988 1454188 529012 5.76 449632 1207576 148 08:20:11 6239160 7535216 284432 3.50 32268 1468944 544232 5.93 479712 1221100 212 08:30:17 5225048 7425132 342600 4.21 87588 2273132 619220 6.74 584512 2036236 136 08:40:17 5207448 7412604 354948 4.36 87748 2278048 695008 7.57 593884 2041304 268 Average: 6064226 7519147 290534 3.57 42656 1608740 555980 6.06 476499 1367169 187 07:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:17 ens3 1.26 0.10 0.20 0.06 0.00 0.00 0.00 0.00 07:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:20:01 ens3 0.79 0.10 0.18 0.08 0.00 0.00 0.00 0.00 07:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:30:17 ens3 1.12 0.20 2.98 0.15 0.00 0.00 0.00 0.00 07:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:40:17 ens3 0.36 0.03 0.39 0.01 0.00 0.00 0.00 0.00 07:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:50:01 ens3 0.50 0.32 3.24 0.69 0.00 0.00 0.00 0.00 08:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:00:17 ens3 0.35 0.11 0.10 0.15 0.00 0.00 0.00 0.00 08:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:10:17 ens3 0.43 0.13 0.15 0.08 0.00 0.00 0.00 0.00 08:20:11 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 08:20:11 ens3 8.87 5.27 20.29 2.86 0.00 0.00 0.00 0.00 08:30:17 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 08:30:17 ens3 38.54 26.79 289.69 5.78 0.00 0.00 0.00 0.00 08:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:40:17 ens3 5.61 3.56 1.05 1.65 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 5.81 3.68 32.09 1.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21112) 05/29/26 _x86_64_ (2 CPU) 06:58:43 LINUX RESTART (2 CPU) 07:00:17 CPU %user %nice %system %iowait %steal %idle 07:10:17 all 0.28 0.00 0.09 0.02 0.02 99.60 07:10:17 0 0.08 0.00 0.09 0.02 0.02 99.79 07:10:17 1 0.48 0.00 0.08 0.02 0.02 99.41 07:20:01 all 0.31 0.00 0.09 0.04 0.02 99.54 07:20:01 0 0.16 0.00 0.11 0.05 0.03 99.66 07:20:01 1 0.46 0.00 0.07 0.02 0.02 99.42 07:30:17 all 0.26 0.00 0.16 0.01 0.02 99.55 07:30:17 0 0.11 0.00 0.16 0.01 0.02 99.70 07:30:17 1 0.42 0.00 0.16 0.01 0.02 99.39 07:40:17 all 0.24 0.00 0.08 0.03 0.02 99.64 07:40:17 0 0.14 0.00 0.08 0.04 0.02 99.71 07:40:17 1 0.33 0.00 0.07 0.01 0.02 99.57 07:50:01 all 0.39 0.00 0.11 0.03 0.02 99.44 07:50:01 0 0.42 0.00 0.08 0.01 0.02 99.46 07:50:01 1 0.37 0.00 0.14 0.06 0.02 99.41 08:00:17 all 0.22 0.00 0.17 0.01 0.02 99.58 08:00:17 0 0.18 0.00 0.16 0.01 0.02 99.63 08:00:17 1 0.27 0.00 0.17 0.01 0.02 99.53 08:10:17 all 0.26 0.00 0.08 0.01 0.03 99.63 08:10:17 0 0.17 0.00 0.07 0.00 0.04 99.72 08:10:17 1 0.35 0.00 0.08 0.01 0.02 99.54 08:20:11 all 0.52 0.00 0.09 0.02 0.02 99.35 08:20:11 0 0.53 0.00 0.08 0.01 0.02 99.36 08:20:11 1 0.51 0.00 0.10 0.03 0.02 99.33 08:30:17 all 12.29 0.00 1.78 0.52 0.06 85.35 08:30:17 0 14.51 0.00 2.09 0.69 0.06 82.66 08:30:17 1 10.07 0.00 1.48 0.35 0.06 88.04 08:40:17 all 2.15 0.00 0.21 0.01 0.05 97.57 08:40:17 0 2.44 0.00 0.21 0.01 0.05 97.29 08:40:17 1 1.87 0.00 0.22 0.01 0.06 97.85 Average: all 1.70 0.00 0.29 0.07 0.03 97.91 Average: 0 1.89 0.00 0.32 0.09 0.03 97.68 Average: 1 1.52 0.00 0.26 0.05 0.03 98.14