---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29649 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 762 5201 4 2270 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:03:0f:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80834sec preferred_lft 80834sec inet6 fe80::f816:3eff:fe03:fd6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29649) 06/23/26 _x86_64_ (2 CPU) 00:40:42 LINUX RESTART (2 CPU) 00:50:40 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.37 0.01 1.35 0.02 0.06 17.16 932.82 01:10:04 1.13 0.00 1.13 0.00 0.00 13.56 0.00 01:20:04 1.21 0.00 1.21 0.00 0.01 14.51 0.12 01:30:01 2.09 0.25 1.81 0.03 31.15 78.53 876.34 01:40:04 1.33 0.00 1.32 0.00 1.05 15.65 0.05 01:50:04 13.98 0.03 1.38 12.57 2.29 16.73 109114.42 02:00:01 25.66 3.01 20.32 2.33 227.17 3465.65 685.17 02:10:04 1.34 0.00 1.32 0.02 0.00 21.55 1.27 Average: 6.03 0.41 3.74 1.88 32.80 456.51 14046.68 00:50:40 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6275856 7523916 296496 3.65 30732 1423216 522228 5.69 448748 1183640 124 01:10:04 6282188 7530740 289648 3.56 30892 1423540 522364 5.69 448832 1184124 216 01:20:04 6274376 7523420 296960 3.65 31048 1423868 522476 5.69 449280 1184608 220 01:30:01 6230448 7506624 313220 3.85 31424 1450272 720296 7.85 463620 1202468 164 01:40:04 6237544 7514568 305320 3.75 31588 1450916 522696 5.69 458772 1202988 232 01:50:04 6241132 7519404 300364 3.69 31792 1451924 522696 5.69 459588 1203616 228 02:00:01 5177204 7376936 389888 4.79 87052 2273040 648552 7.06 599064 2034872 300 02:10:04 5142424 7344212 422596 5.20 87204 2274944 671516 7.31 614104 2036928 224 Average: 5982646 7479978 326812 4.02 45216 1646465 581603 6.33 492751 1404156 214 00:50:40 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.48 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.58 0.05 2.30 0.03 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.58 0.08 0.28 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.50 0.22 3.22 0.05 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.50 0.19 0.12 0.64 0.00 0.00 0.00 0.00 01:50:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 0.33 0.11 0.11 0.05 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 70.31 48.27 329.34 11.65 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 13.67 12.18 106.85 1.09 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 10.91 7.68 55.56 1.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29649) 06/23/26 _x86_64_ (2 CPU) 00:40:42 LINUX RESTART (2 CPU) 00:50:40 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.17 0.02 0.03 99.50 01:00:01 0 0.09 0.00 0.19 0.00 0.03 99.69 01:00:01 1 0.46 0.00 0.16 0.04 0.02 99.32 01:10:04 all 0.26 0.00 0.07 0.02 0.02 99.63 01:10:04 0 0.06 0.00 0.09 0.00 0.03 99.82 01:10:04 1 0.46 0.00 0.05 0.03 0.02 99.43 01:20:04 all 0.27 0.00 0.07 0.03 0.03 99.61 01:20:04 0 0.35 0.00 0.06 0.01 0.02 99.56 01:20:04 1 0.18 0.00 0.09 0.06 0.03 99.65 01:30:01 all 0.37 0.00 0.20 0.03 0.03 99.37 01:30:01 0 0.28 0.00 0.23 0.04 0.03 99.41 01:30:01 1 0.46 0.00 0.17 0.02 0.02 99.32 01:40:04 all 0.27 0.00 0.07 0.03 0.02 99.61 01:40:04 0 0.13 0.00 0.09 0.05 0.03 99.71 01:40:04 1 0.41 0.00 0.06 0.01 0.02 99.51 01:50:04 all 0.28 0.00 0.09 0.05 0.02 99.56 01:50:04 0 0.44 0.00 0.07 0.03 0.02 99.45 01:50:04 1 0.13 0.00 0.10 0.07 0.03 99.67 02:00:01 all 12.40 0.00 1.90 2.00 0.07 83.63 02:00:01 0 10.34 0.00 1.72 2.88 0.06 85.00 02:00:01 1 14.46 0.00 2.08 1.11 0.09 82.26 02:10:04 all 0.87 0.00 0.20 0.18 0.06 98.69 02:10:04 0 0.83 0.00 0.13 0.29 0.04 98.71 02:10:04 1 0.91 0.00 0.27 0.07 0.08 98.68 Average: all 1.88 0.00 0.35 0.30 0.04 97.45 Average: 0 1.57 0.00 0.32 0.41 0.03 97.67 Average: 1 2.19 0.00 0.37 0.18 0.04 97.23