---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29633 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 8.3G 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 761 4821 4 2654 7179 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:00:20:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82578sec preferred_lft 82578sec inet6 fe80::f816:3eff:fe00:200c/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-29633) 06/23/26 _x86_64_ (2 CPU) 00:39:21 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:05 22.30 1.69 18.33 2.28 131.36 3313.49 1043.55 01:00:14 1.49 0.01 1.45 0.03 0.05 18.42 1.52 01:10:14 1.82 0.25 1.54 0.03 30.96 210.18 2.00 01:20:14 15.15 0.01 1.63 13.51 1.21 410.22 106273.54 01:30:14 1.50 0.00 1.45 0.05 0.00 85.95 4.92 01:40:15 1.37 0.00 1.33 0.03 0.00 17.24 4.09 Average: 7.27 0.33 4.30 2.65 27.28 676.47 17829.47 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:05 5015412 7187864 579700 7.13 85940 2247024 824928 8.99 762460 2017500 228 01:00:14 5055336 7228344 538980 6.63 86092 2247436 784884 8.55 721608 2018064 176 01:10:14 4971380 7212036 554776 6.82 86408 2314364 1055212 11.49 792668 2076544 208 01:20:14 4740392 7101176 663676 8.16 86644 2432600 964628 10.51 894016 2194676 168 01:30:14 4717344 7099144 665208 8.18 86832 2453128 936176 10.20 866404 2215384 256 01:40:15 4674100 7056656 707700 8.70 87020 2453680 976972 10.64 906764 2216004 168 Average: 4862327 7147537 618340 7.60 86489 2358039 923800 10.06 823987 2123029 201 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:05 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 00:50:05 ens3 75.38 59.81 668.48 9.46 0.00 0.00 0.00 0.00 01:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 28.22 27.14 450.57 1.81 0.00 0.00 0.00 0.00 01:10:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 68.64 65.60 1112.91 4.33 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 24.63 23.28 391.06 1.60 0.00 0.00 0.00 0.00 01:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 25.03 23.52 393.89 1.58 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 12.12 11.50 186.60 0.82 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 39.01 35.14 533.85 3.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29633) 06/23/26 _x86_64_ (2 CPU) 00:39:21 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:05 all 10.84 0.00 1.74 0.53 0.07 86.82 00:50:05 0 11.86 0.00 1.78 0.71 0.05 85.60 00:50:05 1 9.83 0.00 1.70 0.35 0.09 88.04 01:00:14 all 0.62 0.00 0.35 0.01 0.07 98.94 01:00:14 0 0.67 0.00 0.36 0.01 0.06 98.89 01:00:14 1 0.57 0.00 0.34 0.01 0.08 99.00 01:10:14 all 1.17 0.00 0.53 0.02 0.08 98.20 01:10:14 0 1.49 0.00 0.87 0.03 0.10 97.52 01:10:14 1 0.86 0.00 0.19 0.02 0.05 98.88 01:20:14 all 0.76 0.00 0.22 0.04 0.08 98.91 01:20:14 0 0.79 0.00 0.24 0.05 0.08 98.85 01:20:14 1 0.73 0.00 0.20 0.03 0.07 98.97 01:30:14 all 0.66 0.00 0.32 0.01 0.08 98.92 01:30:14 0 0.69 0.00 0.32 0.01 0.08 98.90 01:30:14 1 0.64 0.00 0.33 0.01 0.09 98.94 01:40:15 all 0.47 0.00 0.19 0.01 0.07 99.26 01:40:15 0 0.42 0.00 0.20 0.00 0.07 99.31 01:40:15 1 0.52 0.00 0.19 0.01 0.07 99.21 Average: all 2.42 0.00 0.56 0.10 0.07 96.84 Average: 0 2.66 0.00 0.63 0.13 0.07 96.50 Average: 1 2.19 0.00 0.49 0.07 0.07 97.17