---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22996 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 8.1G 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 777 5072 4 2384 7164 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:a2:3a:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 77150sec preferred_lft 77150sec inet6 fe80::f816:3eff:fea2:3a3c/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-22996) 06/03/26 _x86_64_ (2 CPU) 04:48:11 LINUX RESTART (2 CPU) 04:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:00:06 1.45 0.02 1.41 0.02 1.23 17.90 864.80 05:10:06 1.77 0.26 1.50 0.01 31.03 73.36 0.29 05:20:01 1.27 0.01 1.26 0.00 1.07 15.14 0.17 05:30:06 1.47 0.00 1.43 0.03 0.00 18.30 865.83 05:40:06 1.10 0.00 1.08 0.02 0.00 14.17 1.09 05:50:00 1.13 0.00 1.11 0.02 0.00 14.46 1.09 06:00:02 36.49 3.02 17.75 15.72 227.86 3425.55 107070.72 06:10:01 1.34 0.00 1.34 0.01 0.00 21.78 0.08 06:20:02 1.33 0.00 1.33 0.00 0.00 19.46 0.00 06:30:02 1.96 0.01 1.87 0.08 0.09 137.08 6.84 06:40:03 1.36 0.00 1.32 0.04 0.00 18.28 5.37 06:50:03 1.27 0.00 1.24 0.03 0.00 20.40 400.21 07:00:03 1.68 0.00 1.63 0.04 0.20 39.24 4.05 07:10:04 1.35 0.00 1.32 0.03 0.00 56.26 4.69 07:20:01 1.43 0.00 1.40 0.03 0.00 23.32 3.62 Average: 3.76 0.22 2.47 1.07 17.46 261.43 7296.67 04:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:00:06 6273276 7524112 296324 3.64 30656 1425988 524112 5.71 448020 1187288 180 05:10:06 6220556 7498084 321820 3.96 31008 1451976 727436 7.92 462364 1204864 180 05:20:01 6239504 7517844 302148 3.72 31164 1452616 524340 5.71 457432 1205348 124 05:30:06 6252920 7531844 288064 3.54 31396 1452944 524340 5.71 457540 1205908 128 05:40:06 6252416 7531864 288028 3.54 31584 1453272 525108 5.72 458804 1206424 244 05:50:00 6251660 7531752 288128 3.54 31772 1453724 525180 5.72 459132 1206936 132 06:00:02 5187060 7384844 382680 4.71 86620 2271980 624520 6.80 594616 2034448 304 06:10:01 5154588 7354472 413100 5.08 86736 2273960 633352 6.90 595048 2036552 452 06:20:02 5159948 7360952 406604 5.00 86848 2274980 653020 7.11 614948 2037676 240 06:30:02 5115540 7351216 415904 5.11 87068 2309352 731164 7.96 642588 2072272 272 06:40:03 5120540 7357128 410208 5.04 87220 2310100 676260 7.37 637996 2073048 228 06:50:03 5093464 7331404 435956 5.36 87412 2311248 673560 7.34 634580 2074384 376 07:00:03 5125868 7370944 396304 4.87 87644 2318072 647556 7.05 609268 2081428 1464 07:10:04 5043960 7300260 466868 5.74 87828 2328948 689528 7.51 650628 2092504 208 07:20:01 5042724 7301308 465792 5.73 88000 2331032 689676 7.51 650716 2094632 124 Average: 5568935 7416535 371862 4.57 64864 1961346 624610 6.80 558245 1720914 310 04:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:06 ens3 2.20 0.15 0.34 0.11 0.00 0.00 0.00 0.00 05:10:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:10:06 ens3 0.69 0.22 3.15 0.03 0.00 0.00 0.00 0.00 05:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:01 ens3 0.83 0.05 5.62 0.03 0.00 0.00 0.00 0.00 05:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:06 ens3 0.51 0.06 0.50 0.04 0.00 0.00 0.00 0.00 05:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:06 ens3 0.40 0.20 0.08 0.56 0.00 0.00 0.00 0.00 05:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:00 ens3 0.28 0.07 0.10 0.05 0.00 0.00 0.00 0.00 06:00:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 06:00:02 ens3 70.26 50.13 426.30 11.63 0.00 0.00 0.00 0.00 06:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:01 ens3 16.21 14.75 168.10 1.26 0.00 0.00 0.00 0.00 06:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:20:02 ens3 3.29 2.94 5.11 0.51 0.00 0.00 0.00 0.00 06:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:30:02 ens3 5.08 3.82 36.88 0.39 0.00 0.00 0.00 0.00 06:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:40:03 ens3 2.95 1.82 0.51 0.34 0.00 0.00 0.00 0.00 06:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:50:03 ens3 6.78 5.87 36.92 0.85 0.00 0.00 0.00 0.00 07:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:00:03 ens3 11.11 10.64 114.86 1.13 0.00 0.00 0.00 0.00 07:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:04 ens3 12.60 12.04 146.12 1.40 0.00 0.00 0.00 0.00 07:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:20:01 ens3 13.56 13.06 140.89 1.17 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.79 7.73 72.38 1.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22996) 06/03/26 _x86_64_ (2 CPU) 04:48:11 LINUX RESTART (2 CPU) 04:50:01 CPU %user %nice %system %iowait %steal %idle 05:00:06 all 0.34 0.00 0.19 0.01 0.02 99.44 05:00:06 0 0.48 0.00 0.19 0.01 0.02 99.31 05:00:06 1 0.20 0.00 0.19 0.01 0.02 99.57 05:10:06 all 0.36 0.00 0.13 0.02 0.02 99.47 05:10:06 0 0.37 0.00 0.08 0.00 0.02 99.53 05:10:06 1 0.36 0.00 0.17 0.03 0.03 99.41 05:20:01 all 0.23 0.00 0.10 0.01 0.02 99.64 05:20:01 0 0.39 0.00 0.09 0.01 0.02 99.50 05:20:01 1 0.08 0.00 0.10 0.01 0.02 99.78 05:30:06 all 0.28 0.00 0.17 0.01 0.02 99.51 05:30:06 0 0.32 0.00 0.17 0.01 0.02 99.48 05:30:06 1 0.25 0.00 0.18 0.00 0.02 99.55 05:40:06 all 0.26 0.00 0.08 0.01 0.02 99.63 05:40:06 0 0.27 0.00 0.08 0.00 0.03 99.62 05:40:06 1 0.26 0.00 0.07 0.01 0.02 99.63 05:50:00 all 0.24 0.00 0.07 0.01 0.02 99.66 05:50:00 0 0.30 0.00 0.06 0.01 0.02 99.61 05:50:00 1 0.18 0.00 0.08 0.01 0.03 99.71 06:00:02 all 11.93 0.00 1.87 0.48 0.07 85.65 06:00:02 0 15.40 0.00 2.16 0.80 0.06 81.58 06:00:02 1 8.46 0.00 1.58 0.16 0.07 89.74 06:10:01 all 0.89 0.00 0.23 0.01 0.06 98.81 06:10:01 0 1.10 0.00 0.29 0.01 0.08 98.53 06:10:01 1 0.69 0.00 0.17 0.01 0.04 99.10 06:20:02 all 6.54 0.00 0.60 0.01 0.07 92.78 06:20:02 0 3.84 0.00 0.37 0.01 0.08 95.71 06:20:02 1 9.32 0.00 0.84 0.00 0.07 89.77 06:30:02 all 1.01 0.00 0.30 0.01 0.06 98.63 06:30:02 0 1.02 0.00 0.30 0.02 0.05 98.61 06:30:02 1 1.00 0.00 0.29 0.01 0.06 98.64 06:40:03 all 0.61 0.00 0.14 0.01 0.06 99.18 06:40:03 0 0.57 0.00 0.17 0.01 0.07 99.18 06:40:03 1 0.65 0.00 0.12 0.01 0.05 99.17 06:40:03 CPU %user %nice %system %iowait %steal %idle 06:50:03 all 0.87 0.00 0.18 0.03 0.05 98.86 06:50:03 0 0.99 0.00 0.16 0.05 0.04 98.77 06:50:03 1 0.76 0.00 0.21 0.01 0.06 98.96 07:00:03 all 1.96 0.00 0.39 0.01 0.05 97.59 07:00:03 0 2.47 0.00 0.36 0.01 0.05 97.11 07:00:03 1 1.45 0.00 0.42 0.01 0.05 98.07 07:10:04 all 1.99 0.00 0.42 0.01 0.05 97.53 07:10:04 0 1.66 0.00 0.33 0.00 0.04 97.96 07:10:04 1 2.32 0.00 0.51 0.01 0.06 97.10 07:20:01 all 0.92 0.00 0.22 0.01 0.05 98.80 07:20:01 0 0.69 0.00 0.19 0.01 0.04 99.07 07:20:01 1 1.15 0.00 0.25 0.02 0.06 98.53 Average: all 1.89 0.00 0.34 0.04 0.04 97.69 Average: 0 1.99 0.00 0.33 0.06 0.04 97.57 Average: 1 1.79 0.00 0.34 0.02 0.04 97.80