---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30997 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 758 5027 4 2450 7183 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:9e:e8:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81706sec preferred_lft 81706sec inet6 fe80::f816:3eff:fe9e:e820/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30997) 06/27/26 _x86_64_ (2 CPU) 01:48:05 LINUX RESTART (2 CPU) 01:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.55 0.03 1.51 0.01 1.26 18.56 441.53 02:10:32 1.43 0.01 1.41 0.01 0.05 16.68 0.80 02:20:12 1.39 0.00 1.37 0.02 0.01 16.08 1.13 02:30:01 14.27 0.00 1.47 12.79 0.15 18.19 111685.74 02:40:32 1.38 0.00 1.36 0.02 0.00 16.37 1.14 02:50:02 1.87 0.27 1.57 0.03 33.71 78.82 1.46 03:00:01 25.40 3.01 20.09 2.30 228.28 3633.55 1469.02 Average: 6.72 0.47 4.11 2.14 37.37 541.61 15961.61 01:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6301396 7548432 271880 3.34 30560 1422372 507828 5.53 436824 1183184 124 02:10:32 6301232 7548848 271460 3.34 30780 1422732 507892 5.53 436876 1183764 164 02:20:12 6300280 7548412 271852 3.34 31004 1423056 508032 5.53 437064 1184276 208 02:30:01 6297308 7546032 274192 3.37 31204 1423404 508096 5.53 437160 1184828 188 02:40:32 6303132 7552440 267780 3.29 31420 1423764 508192 5.54 437888 1185408 160 02:50:02 6235628 7512440 307300 3.78 31808 1450508 508256 5.54 447540 1203336 216 03:00:01 5126508 7374756 391840 4.82 87236 2321204 655772 7.14 617488 2083860 2488 Average: 6123641 7518766 293758 3.61 39145 1555291 529153 5.76 464406 1315522 507 01:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.44 0.09 0.29 0.04 0.00 0.00 0.00 0.00 02:10:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:32 ens3 0.47 0.05 0.06 0.02 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.75 0.05 2.43 0.02 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 0.69 0.06 0.86 0.03 0.00 0.00 0.00 0.00 02:40:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:32 ens3 0.45 0.19 0.11 0.41 0.00 0.00 0.00 0.00 02:50:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 1.15 0.56 3.48 0.12 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 80.82 59.59 358.77 15.21 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 12.23 8.64 52.19 2.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30997) 06/27/26 _x86_64_ (2 CPU) 01:48:05 LINUX RESTART (2 CPU) 01:50:08 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.28 0.00 0.15 0.01 0.04 99.51 02:00:01 0 0.26 0.00 0.16 0.01 0.04 99.54 02:00:01 1 0.31 0.00 0.15 0.02 0.04 99.49 02:10:32 all 0.25 0.00 0.07 0.76 0.04 98.88 02:10:32 0 0.44 0.00 0.06 0.06 0.03 99.42 02:10:32 1 0.07 0.00 0.09 1.46 0.05 98.34 02:20:12 all 0.24 0.00 0.07 0.03 0.04 99.62 02:20:12 0 0.06 0.00 0.07 0.00 0.04 99.83 02:20:12 1 0.42 0.00 0.07 0.06 0.03 99.41 02:30:01 all 0.27 0.00 0.16 0.04 0.04 99.49 02:30:01 0 0.06 0.00 0.17 0.06 0.04 99.67 02:30:01 1 0.47 0.00 0.15 0.03 0.04 99.31 02:40:32 all 0.25 0.00 0.07 0.01 0.03 99.63 02:40:32 0 0.13 0.00 0.08 0.02 0.04 99.73 02:40:32 1 0.37 0.00 0.06 0.01 0.03 99.53 02:50:02 all 0.36 0.00 0.09 0.02 0.03 99.49 02:50:02 0 0.29 0.00 0.11 0.02 0.04 99.55 02:50:02 1 0.43 0.00 0.08 0.03 0.03 99.43 03:00:01 all 16.62 0.00 1.84 0.73 0.07 80.73 03:00:01 0 18.37 0.00 1.73 0.77 0.07 79.07 03:00:01 1 14.88 0.00 1.96 0.70 0.07 82.40 Average: all 2.60 0.00 0.35 0.24 0.04 96.77 Average: 0 2.80 0.00 0.34 0.13 0.04 96.69 Average: 1 2.41 0.00 0.36 0.34 0.04 96.84