---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32216 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: 5599.99 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 741 5226 4 2266 7200 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:53:64:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81558sec preferred_lft 81558sec inet6 fe80::f816:3eff:fe53:64bb/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-32216) 07/02/26 _x86_64_ (2 CPU) 00:39:54 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:40 8.27 3.37 4.84 0.06 398.52 4887.06 206.31 01:00:00 1.54 0.01 1.50 0.03 0.06 18.33 933.93 01:10:00 1.14 0.00 1.12 0.02 0.00 13.53 0.99 01:20:40 1.17 0.00 1.15 0.02 0.01 14.19 1.14 01:30:20 1.40 0.00 1.37 0.03 0.00 17.12 902.23 01:40:00 1.18 0.00 1.16 0.02 0.00 14.23 1.24 01:50:20 13.52 0.00 1.36 12.15 0.14 15.88 105607.90 02:00:00 29.46 3.18 22.87 3.41 241.45 3760.03 2941.95 Average: 7.20 0.84 4.36 2.00 82.30 1117.11 14243.70 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:40 6247196 7520676 299664 3.68 30720 1448048 521152 5.68 459200 1200608 124 01:00:00 6246692 7520716 299540 3.68 30928 1448384 521176 5.68 459360 1201140 160 01:10:00 6245516 7520060 300188 3.69 31112 1448704 521188 5.68 459572 1201652 188 01:20:40 6252824 7527920 292320 3.59 31328 1449032 521408 5.68 459968 1202196 164 01:30:20 6258184 7533824 286356 3.52 31524 1449364 521596 5.68 460248 1202728 236 01:40:00 6258184 7534452 285776 3.51 31708 1449812 521536 5.68 460324 1203224 176 01:50:20 6265532 7542396 277744 3.42 31908 1450184 521536 5.68 460632 1203776 180 02:00:00 5426116 7440696 336180 4.13 88912 2094448 584008 6.36 578152 1857864 24936 Average: 6150030 7517592 297221 3.65 38518 1529747 529200 5.76 474682 1284148 3270 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:40 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:40 ens3 12.45 6.39 36.80 1.75 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.57 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.70 0.05 13.10 0.03 0.00 0.00 0.00 0.00 01:20:40 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:40 ens3 0.81 0.13 0.90 0.06 0.00 0.00 0.00 0.00 01:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 0.36 0.19 0.08 0.66 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.45 0.07 0.12 0.05 0.00 0.00 0.00 0.00 01:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:20 ens3 0.37 0.08 0.08 0.05 0.00 0.00 0.00 0.00 02:00:00 lo 1.37 1.37 0.09 0.09 0.00 0.00 0.00 0.00 02:00:00 ens3 168.62 139.49 1666.22 90.91 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 22.46 17.80 208.26 11.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32216) 07/02/26 _x86_64_ (2 CPU) 00:39:54 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:40 all 0.80 0.00 0.51 0.18 0.03 98.48 00:50:40 0 0.69 0.00 0.49 0.12 0.03 98.66 00:50:40 1 0.90 0.00 0.53 0.24 0.03 98.30 01:00:00 all 0.30 0.00 0.21 0.29 0.02 99.18 01:00:00 0 0.43 0.00 0.21 0.57 0.02 98.76 01:00:00 1 0.17 0.00 0.20 0.01 0.02 99.60 01:10:00 all 0.29 0.00 0.08 0.01 0.02 99.60 01:10:00 0 0.36 0.00 0.07 0.01 0.02 99.55 01:10:00 1 0.22 0.00 0.09 0.01 0.03 99.65 01:20:40 all 0.25 0.00 0.08 0.01 0.02 99.64 01:20:40 0 0.09 0.00 0.09 0.01 0.03 99.77 01:20:40 1 0.41 0.00 0.06 0.00 0.02 99.51 01:30:20 all 0.30 0.00 0.17 0.01 0.03 99.49 01:30:20 0 0.20 0.00 0.18 0.01 0.03 99.58 01:30:20 1 0.40 0.00 0.15 0.01 0.03 99.40 01:40:00 all 0.24 0.00 0.06 0.01 0.03 99.66 01:40:00 0 0.44 0.00 0.04 0.01 0.02 99.49 01:40:00 1 0.04 0.00 0.08 0.01 0.04 99.83 01:50:20 all 0.21 0.00 0.08 0.03 0.03 99.65 01:50:20 0 0.28 0.00 0.05 0.00 0.02 99.65 01:50:20 1 0.15 0.00 0.11 0.06 0.03 99.65 02:00:00 all 17.91 0.00 2.53 0.59 0.07 78.90 02:00:00 0 15.50 0.00 2.05 0.57 0.06 81.82 02:00:00 1 20.34 0.00 3.02 0.60 0.07 75.97 Average: all 2.46 0.00 0.45 0.14 0.03 96.91 Average: 0 2.19 0.00 0.39 0.16 0.03 97.24 Average: 1 2.74 0.00 0.52 0.12 0.03 96.59