---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15976 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 8.0G 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 770 5099 4 2361 7171 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:f7:30:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80892sec preferred_lft 80892sec inet6 fe80::f816:3eff:fef7:30fe/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-15976) 05/17/26 _x86_64_ (2 CPU) 01:35:47 LINUX RESTART (2 CPU) 01:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:01 2.01 0.28 1.71 0.02 33.25 75.64 1.03 02:00:01 14.15 0.01 1.57 12.57 0.20 19.46 109512.03 02:10:11 1.34 0.00 1.32 0.02 0.00 15.34 1.18 02:20:11 1.35 0.00 1.33 0.02 0.01 15.21 1.20 02:30:01 1.48 0.00 1.44 0.03 0.00 17.42 444.43 02:40:11 1.52 0.00 1.50 0.02 0.00 18.01 215.19 02:50:05 1.75 0.40 1.33 0.02 15.94 47.20 1.21 03:00:01 23.57 2.64 18.66 2.27 212.68 3261.14 1149.00 Average: 5.88 0.41 3.59 1.87 32.55 430.75 13920.38 01:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:01 6228216 7501708 318432 3.92 30796 1448256 537020 5.85 462716 1200412 172 02:00:01 6237348 7511492 308484 3.79 31032 1448636 537052 5.85 462924 1201000 280 02:10:11 6244264 7518944 301020 3.70 31232 1448964 537052 5.85 462992 1201528 212 02:20:11 6257928 7533144 286808 3.53 31436 1449288 537212 5.85 463060 1202056 168 02:30:01 6255176 7531080 288852 3.55 31644 1449744 537276 5.85 463400 1202592 164 02:40:11 6256940 7533408 286528 3.52 31884 1450072 537276 5.85 463460 1203152 208 02:50:05 6223212 7514756 304840 3.75 32204 1464744 553996 6.03 489048 1216628 308 03:00:01 5241184 7392208 379164 4.66 85480 2229624 650124 7.08 609708 1991080 1580 Average: 6118034 7504592 309266 3.80 38214 1548666 553376 6.03 484664 1302306 386 01:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 1.29 0.22 3.18 0.03 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 0.49 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:10:11 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 1.06 0.03 3.42 0.01 0.00 0.00 0.00 0.00 02:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:11 ens3 0.64 0.03 0.89 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.27 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:11 ens3 0.42 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:50:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 7.74 4.35 20.21 3.02 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 62.68 44.40 306.56 10.65 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 9.26 6.10 41.52 1.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15976) 05/17/26 _x86_64_ (2 CPU) 01:35:47 LINUX RESTART (2 CPU) 01:40:01 CPU %user %nice %system %iowait %steal %idle 01:50:01 all 0.37 0.00 0.12 0.02 0.21 99.28 01:50:01 0 0.41 0.00 0.08 0.02 0.30 99.19 01:50:01 1 0.33 0.00 0.15 0.02 0.12 99.37 02:00:01 all 0.30 0.00 0.19 0.04 0.02 99.45 02:00:01 0 0.46 0.00 0.15 0.03 0.01 99.35 02:00:01 1 0.15 0.00 0.22 0.06 0.02 99.55 02:10:11 all 0.25 0.00 0.08 0.16 0.04 99.46 02:10:11 0 0.44 0.00 0.07 0.01 0.01 99.46 02:10:11 1 0.06 0.00 0.10 0.31 0.07 99.45 02:20:11 all 0.24 0.00 0.08 0.01 0.02 99.65 02:20:11 0 0.28 0.00 0.08 0.00 0.02 99.63 02:20:11 1 0.21 0.00 0.09 0.01 0.02 99.68 02:30:01 all 0.31 0.00 0.19 0.01 0.02 99.47 02:30:01 0 0.32 0.00 0.20 0.01 0.02 99.45 02:30:01 1 0.30 0.00 0.17 0.02 0.02 99.48 02:40:11 all 0.28 0.00 0.09 0.02 0.02 99.58 02:40:11 0 0.08 0.00 0.11 0.01 0.02 99.77 02:40:11 1 0.49 0.00 0.08 0.02 0.02 99.39 02:50:05 all 0.61 0.00 0.12 0.01 0.02 99.25 02:50:05 0 0.53 0.00 0.10 0.01 0.02 99.33 02:50:05 1 0.68 0.00 0.13 0.02 0.02 99.16 03:00:01 all 15.79 0.00 1.89 0.52 0.06 81.73 03:00:01 0 10.20 0.00 1.47 0.28 0.05 87.99 03:00:01 1 21.38 0.00 2.30 0.76 0.08 75.48 Average: all 2.25 0.00 0.34 0.10 0.05 97.25 Average: 0 1.58 0.00 0.28 0.05 0.06 98.04 Average: 1 2.93 0.00 0.40 0.15 0.05 96.47