---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26562 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 788 4769 4 2680 7153 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:9c:a5:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78654sec preferred_lft 78654sec inet6 fe80::f816:3eff:fe9c:a5fd/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-26562) 06/11/26 _x86_64_ (2 CPU) 00:42:19 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 1.54 0.01 1.52 0.01 0.05 18.67 649.99 01:10:06 1.20 0.00 1.20 0.00 0.00 14.83 0.00 01:20:01 1.16 0.00 1.16 0.00 0.01 14.09 0.12 01:30:07 1.51 0.00 1.50 0.01 0.00 18.26 647.48 01:40:06 14.28 0.26 1.47 12.56 31.15 73.51 109280.55 01:50:01 1.29 0.01 1.27 0.01 1.06 15.38 0.54 02:00:06 24.80 2.97 19.52 2.30 225.72 3475.63 528.38 02:10:06 1.31 0.00 1.29 0.02 0.00 15.95 1.09 02:20:01 1.47 0.00 1.45 0.02 0.00 136.09 1.14 02:30:05 1.88 0.00 1.82 0.07 0.00 465.54 1.93 02:40:05 1.49 0.00 1.46 0.03 0.00 79.11 1.37 02:50:06 3.65 0.04 3.01 0.60 1.08 854.97 1492.91 Average: 4.64 0.28 3.07 1.30 21.72 434.07 9371.17 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6275620 7527008 293476 3.61 30720 1426276 530424 5.78 449684 1187600 192 01:10:06 6283208 7535088 285396 3.51 30880 1426604 530624 5.78 449924 1188088 160 01:20:01 6281192 7533556 286924 3.53 31040 1426928 531288 5.79 449856 1188572 124 01:30:07 6279368 7532244 288228 3.54 31224 1427256 531356 5.79 449904 1189084 188 01:40:06 6247104 7526916 293024 3.60 31556 1453504 727044 7.92 464636 1206744 184 01:50:01 6258128 7538764 281184 3.46 31728 1454144 531428 5.79 459640 1207244 124 02:00:06 4950828 7160156 606808 7.46 87036 2282368 842060 9.17 807376 2045204 252 02:10:06 4979776 7189688 577284 7.10 87208 2282772 803372 8.75 768612 2045788 240 02:20:01 4930332 7176160 590688 7.26 87400 2318436 928096 10.11 826244 2081644 268 02:30:05 4677148 7059680 705052 8.67 87620 2453052 977820 10.65 925680 2216348 260 02:40:05 4675472 7077348 687072 8.45 87808 2471932 957704 10.43 906916 2235424 208 02:50:06 4811868 7292076 478660 5.89 89004 2554932 722552 7.87 712656 2319540 45992 Average: 5554170 7345724 447816 5.51 59435 1914850 717814 7.82 639261 1675940 4016 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.63 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.37 0.04 0.08 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.47 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 1.07 0.66 3.24 0.61 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.34 0.08 0.12 0.06 0.00 0.00 0.00 0.00 02:00:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:06 ens3 89.82 67.95 742.88 12.68 0.00 0.00 0.00 0.00 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 28.61 26.35 480.04 1.74 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 71.40 69.22 1300.36 4.55 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 28.42 26.98 464.09 1.80 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 24.05 23.41 389.86 1.59 0.00 0.00 0.00 0.00 02:50:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 34.17 26.88 318.95 25.90 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 23.32 20.15 308.07 4.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26562) 06/11/26 _x86_64_ (2 CPU) 00:42:19 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.25 0.00 0.16 0.01 0.04 99.53 01:00:05 0 0.37 0.00 0.14 0.02 0.03 99.44 01:00:05 1 0.14 0.00 0.18 0.00 0.05 99.63 01:10:06 all 0.22 0.00 0.07 0.01 0.04 99.66 01:10:06 0 0.05 0.00 0.08 0.01 0.04 99.82 01:10:06 1 0.40 0.00 0.06 0.01 0.04 99.50 01:20:01 all 0.29 0.00 0.07 0.01 0.04 99.59 01:20:01 0 0.13 0.00 0.08 0.01 0.04 99.74 01:20:01 1 0.46 0.00 0.06 0.02 0.03 99.44 01:30:07 all 0.27 0.00 0.17 0.01 0.04 99.51 01:30:07 0 0.15 0.00 0.16 0.01 0.04 99.64 01:30:07 1 0.39 0.00 0.18 0.01 0.04 99.38 01:40:06 all 0.37 0.00 0.10 0.04 0.04 99.45 01:40:06 0 0.16 0.00 0.12 0.05 0.04 99.64 01:40:06 1 0.58 0.00 0.09 0.03 0.03 99.27 01:50:01 all 0.24 0.00 0.06 0.01 0.03 99.65 01:50:01 0 0.04 0.00 0.09 0.02 0.05 99.81 01:50:01 1 0.44 0.00 0.04 0.01 0.02 99.50 02:00:06 all 11.98 0.00 1.93 1.59 0.06 84.44 02:00:06 0 12.82 0.00 2.08 1.79 0.06 83.25 02:00:06 1 11.14 0.00 1.77 1.39 0.07 85.63 02:10:06 all 0.59 0.00 0.25 0.08 0.06 99.03 02:10:06 0 0.71 0.00 0.36 0.01 0.06 98.85 02:10:06 1 0.46 0.00 0.14 0.14 0.05 99.21 02:20:01 all 1.13 0.00 0.57 0.02 0.06 98.21 02:20:01 0 1.13 0.00 0.40 0.01 0.05 98.42 02:20:01 1 1.13 0.00 0.75 0.04 0.07 98.01 02:30:05 all 0.84 0.00 0.31 0.02 0.07 98.76 02:30:05 0 0.86 0.00 0.31 0.02 0.07 98.74 02:30:05 1 0.81 0.00 0.31 0.02 0.07 98.79 02:40:05 all 0.64 0.00 0.24 0.02 0.06 99.03 02:40:05 0 0.70 0.00 0.18 0.02 0.06 99.04 02:40:05 1 0.59 0.00 0.31 0.02 0.06 99.02 02:40:05 CPU %user %nice %system %iowait %steal %idle 02:50:06 all 3.06 0.00 0.43 0.09 0.07 96.36 02:50:06 0 2.98 0.00 0.39 0.12 0.07 96.43 02:50:06 1 3.13 0.00 0.47 0.05 0.07 96.28 Average: all 1.66 0.00 0.36 0.16 0.05 97.76 Average: 0 1.68 0.00 0.37 0.17 0.05 97.73 Average: 1 1.64 0.00 0.36 0.15 0.05 97.80