---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28514 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 8.0G 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 786 5090 4 2356 7155 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:0d:dd:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80741sec preferred_lft 80741sec inet6 fe80::f816:3eff:fe0d:ddf4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28514) 06/19/26 _x86_64_ (2 CPU) 01:58:17 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.21 0.03 1.19 0.00 1.24 14.97 0.12 02:20:00 1.49 0.26 1.21 0.02 30.64 16.21 0.91 02:30:04 1.71 0.00 1.67 0.03 0.42 75.65 866.92 02:40:04 1.30 0.00 1.30 0.00 0.00 15.53 0.00 02:50:04 1.32 0.00 1.32 0.00 0.00 15.92 0.00 03:00:04 14.04 0.00 1.49 12.55 0.15 19.01 109773.85 03:10:04 26.27 3.00 20.96 2.31 227.51 3493.27 1022.81 03:20:04 1.45 0.00 1.45 0.00 0.00 49.95 0.03 03:30:04 1.59 0.00 1.57 0.02 0.00 104.17 130.12 Average: 5.60 0.36 3.57 1.66 28.87 422.62 12417.18 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6301012 7540368 280900 3.45 30000 1415568 527880 5.75 440080 1178644 156 02:20:00 6192780 7444124 374888 4.61 30392 1428956 715480 7.79 544768 1181828 2548 02:30:04 6253664 7520660 299932 3.69 30644 1442124 725288 7.90 454504 1197080 208 02:40:04 6269064 7536552 284072 3.49 30796 1442448 725440 7.90 454752 1197564 220 02:50:04 6277484 7545584 275028 3.38 30948 1442908 725504 7.90 455092 1198048 228 03:00:04 6264408 7533084 287400 3.53 31120 1443276 725632 7.90 455764 1198560 196 03:10:04 5211716 7405908 361632 4.45 86372 2268448 840776 9.16 598224 2033424 268 03:20:04 5200348 7404488 363052 4.46 86492 2278276 850816 9.27 600524 2043372 456 03:30:04 5154264 7384912 382400 4.70 86684 2304492 857620 9.34 606764 2069772 2004 Average: 5902749 7479520 323256 3.97 49272 1718500 743826 8.10 512275 1477588 698 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.59 0.07 0.28 0.02 0.00 0.00 0.00 0.00 02:20:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.89 0.39 3.19 0.04 0.00 0.00 0.00 0.00 02:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 0.95 0.04 5.71 0.01 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 0.64 0.09 1.17 0.05 0.00 0.00 0.00 0.00 02:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.38 0.07 0.12 0.06 0.00 0.00 0.00 0.00 03:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:04 ens3 0.41 0.23 0.13 0.53 0.00 0.00 0.00 0.00 03:10:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:04 ens3 77.06 54.39 317.61 12.51 0.00 0.00 0.00 0.00 03:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:04 ens3 33.64 28.49 6.50 3.52 0.00 0.00 0.00 0.00 03:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:04 ens3 44.88 44.46 9.81 6.07 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 17.82 14.24 38.27 2.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28514) 06/19/26 _x86_64_ (2 CPU) 01:58:17 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.30 0.00 0.07 0.04 0.03 99.56 02:10:01 0 0.36 0.00 0.07 0.06 0.02 99.49 02:10:01 1 0.25 0.00 0.08 0.02 0.03 99.63 02:20:00 all 0.29 0.00 0.10 0.25 0.02 99.34 02:20:00 0 0.51 0.00 0.10 0.28 0.02 99.09 02:20:00 1 0.06 0.00 0.10 0.22 0.03 99.59 02:30:04 all 0.33 0.00 0.18 0.05 0.02 99.42 02:30:04 0 0.41 0.00 0.17 0.03 0.02 99.38 02:30:04 1 0.26 0.00 0.19 0.07 0.02 99.46 02:40:04 all 0.28 0.00 0.07 0.07 0.02 99.56 02:40:04 0 0.18 0.00 0.09 0.09 0.02 99.63 02:40:04 1 0.37 0.00 0.06 0.05 0.02 99.50 02:50:04 all 0.27 0.00 0.08 0.04 0.02 99.59 02:50:04 0 0.31 0.00 0.07 0.04 0.02 99.56 02:50:04 1 0.23 0.00 0.09 0.03 0.03 99.62 03:00:04 all 0.29 0.00 0.20 0.05 0.02 99.44 03:00:04 0 0.19 0.00 0.20 0.08 0.02 99.50 03:00:04 1 0.38 0.00 0.19 0.03 0.02 99.37 03:10:04 all 14.37 0.00 1.94 1.49 0.06 82.13 03:10:04 0 17.62 0.00 2.18 1.72 0.07 78.41 03:10:04 1 11.13 0.00 1.69 1.27 0.06 85.85 03:20:04 all 4.74 0.00 0.40 0.05 0.06 94.76 03:20:04 0 3.88 0.00 0.38 0.07 0.06 95.61 03:20:04 1 5.61 0.00 0.41 0.02 0.05 93.91 03:30:04 all 8.16 0.00 0.60 0.04 0.07 91.12 03:30:04 0 7.52 0.00 0.60 0.03 0.07 91.77 03:30:04 1 8.81 0.00 0.60 0.04 0.08 90.47 Average: all 3.21 0.00 0.40 0.23 0.04 96.12 Average: 0 3.43 0.00 0.43 0.27 0.04 95.84 Average: 1 3.00 0.00 0.38 0.19 0.04 96.39