---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2882 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 8.2G 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 775 4942 4 2515 7166 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:8d:e8:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78980sec preferred_lft 78980sec inet6 fe80::f816:3eff:fe8d:e86f/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-2882) 04/15/26 _x86_64_ (2 CPU) 01:47:59 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.61 0.03 1.58 0.01 1.24 18.30 436.35 02:10:21 1.41 0.01 1.39 0.01 0.05 16.21 0.93 02:20:01 1.32 0.00 1.30 0.02 0.01 14.80 1.12 02:30:01 2.03 0.31 1.68 0.04 39.01 67.51 437.28 02:40:21 1.42 0.00 1.41 0.02 0.00 22.95 1.28 02:50:01 1.37 0.00 1.35 0.02 0.00 15.48 1.12 03:00:01 22.29 3.03 17.02 2.24 228.10 3134.89 615.99 03:10:11 14.55 0.00 1.32 13.23 0.14 16.26 105123.39 03:20:21 1.29 0.00 1.29 0.00 0.00 26.14 0.00 03:30:01 1.72 0.00 1.68 0.04 0.00 417.52 3.48 03:40:21 1.42 0.00 1.41 0.01 0.00 134.54 1.17 03:50:03 1.25 0.04 1.21 0.00 0.87 24.56 0.00 Average: 4.32 0.29 2.72 1.32 22.46 325.09 9022.09 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6281244 7527828 292516 3.60 30500 1421956 528580 5.76 446056 1182984 160 02:10:21 6281244 7528372 291992 3.59 30732 1422284 528644 5.76 446168 1183532 184 02:20:01 6280772 7528416 291916 3.59 30924 1422608 528668 5.76 446200 1184036 152 02:30:01 6236656 7513188 306492 3.77 31340 1450680 727772 7.93 463144 1201484 2296 02:40:21 6250356 7527476 292232 3.59 31552 1451044 727772 7.93 463328 1202060 176 02:50:01 6245572 7523336 296372 3.64 31740 1451492 727772 7.93 462820 1202568 164 03:00:01 4954436 7065004 706200 8.68 85012 2189884 1004736 10.94 767304 1948648 208 03:10:11 5145004 7256192 515044 6.33 85140 2190344 935840 10.19 697692 1949232 256 03:20:21 5122376 7255176 516124 6.35 85264 2211836 976652 10.64 722264 1970844 18060 03:30:01 4906356 7138512 631292 7.76 85444 2309808 1098492 11.96 844576 2069004 128 03:40:21 4831372 7101408 667788 8.21 85584 2347032 1106608 12.05 852712 2106240 160 03:50:03 5342120 7436956 340988 4.19 85748 2179464 775660 8.45 557824 1938728 10332 Average: 5656459 7366822 429080 5.28 58248 1837369 805600 8.77 597507 1594947 2690 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.08 0.07 0.12 0.03 0.00 0.00 0.00 0.00 02:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:21 ens3 0.41 0.04 0.06 0.01 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 0.77 0.03 4.66 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.45 0.21 3.07 0.03 0.00 0.00 0.00 0.00 02:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:21 ens3 0.28 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.25 0.08 0.08 0.04 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 92.52 66.85 781.49 13.05 0.00 0.00 0.00 0.00 03:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:11 ens3 28.14 25.99 451.87 1.72 0.00 0.00 0.00 0.00 03:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:21 ens3 70.88 68.51 1194.88 4.50 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 23.32 21.80 396.36 1.50 0.00 0.00 0.00 0.00 03:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:21 ens3 25.59 24.76 411.20 1.66 0.00 0.00 0.00 0.00 03:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:03 ens3 29.70 24.78 301.04 23.64 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 22.85 19.51 296.91 3.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2882) 04/15/26 _x86_64_ (2 CPU) 01:47:59 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.21 0.01 0.02 99.46 02:00:01 0 0.16 0.00 0.23 0.01 0.03 99.58 02:00:01 1 0.44 0.00 0.20 0.01 0.02 99.33 02:10:21 all 0.26 0.00 0.09 0.01 0.02 99.62 02:10:21 0 0.21 0.00 0.09 0.00 0.03 99.66 02:10:21 1 0.32 0.00 0.08 0.01 0.02 99.57 02:20:01 all 0.24 0.00 0.08 0.01 0.03 99.65 02:20:01 0 0.40 0.00 0.06 0.00 0.02 99.52 02:20:01 1 0.07 0.00 0.10 0.01 0.03 99.79 02:30:01 all 0.43 0.00 0.20 0.02 0.02 99.32 02:30:01 0 0.66 0.00 0.20 0.02 0.02 99.11 02:30:01 1 0.20 0.00 0.21 0.02 0.03 99.54 02:40:21 all 0.28 0.00 0.09 0.01 0.03 99.60 02:40:21 0 0.28 0.00 0.08 0.00 0.02 99.62 02:40:21 1 0.28 0.00 0.09 0.01 0.03 99.59 02:50:01 all 0.28 0.00 0.08 0.04 0.02 99.58 02:50:01 0 0.12 0.00 0.08 0.07 0.02 99.71 02:50:01 1 0.45 0.00 0.09 0.00 0.02 99.44 03:00:01 all 11.62 0.00 1.98 0.48 0.06 85.86 03:00:01 0 9.61 0.00 1.90 0.53 0.06 87.90 03:00:01 1 13.63 0.00 2.05 0.43 0.06 83.83 03:10:11 all 0.64 0.00 0.29 0.03 0.05 98.98 03:10:11 0 0.72 0.00 0.27 0.03 0.04 98.93 03:10:11 1 0.56 0.00 0.32 0.03 0.05 99.04 03:20:21 all 1.13 0.00 0.55 0.01 0.06 98.25 03:20:21 0 1.09 0.00 0.64 0.01 0.05 98.20 03:20:21 1 1.17 0.00 0.46 0.00 0.06 98.31 03:30:01 all 0.81 0.00 0.31 0.01 0.06 98.80 03:30:01 0 0.69 0.00 0.25 0.02 0.05 99.00 03:30:01 1 0.93 0.00 0.38 0.01 0.08 98.61 03:40:21 all 0.68 0.00 0.24 0.01 0.06 99.01 03:40:21 0 0.71 0.00 0.27 0.00 0.06 98.96 03:40:21 1 0.66 0.00 0.22 0.01 0.06 99.05 03:40:21 CPU %user %nice %system %iowait %steal %idle 03:50:03 all 1.78 0.00 0.31 0.01 0.06 97.84 03:50:03 0 2.18 0.00 0.22 0.01 0.04 97.56 03:50:03 1 1.38 0.00 0.40 0.00 0.08 98.13 Average: all 1.53 0.00 0.37 0.05 0.04 98.00 Average: 0 1.40 0.00 0.36 0.06 0.04 98.15 Average: 1 1.67 0.00 0.38 0.05 0.05 97.85