---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3177 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 762 4939 4 2539 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:c2:46:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78868sec preferred_lft 78868sec inet6 fe80::f816:3eff:fec2:4624/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3177) 04/16/26 _x86_64_ (2 CPU) 01:48:42 LINUX RESTART (2 CPU) 01:50:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:16 1.74 0.03 1.70 0.02 1.26 20.26 665.19 02:10:16 14.56 0.32 1.66 12.57 39.21 74.27 109133.28 02:20:26 1.49 0.03 1.45 0.02 2.12 16.63 1.11 02:30:26 1.61 0.00 1.58 0.03 0.00 19.01 872.39 02:40:16 1.45 0.00 1.43 0.02 0.00 16.91 1.22 02:50:15 2.91 1.34 1.54 0.03 96.50 112.33 1.58 03:00:16 21.27 1.69 17.36 2.21 130.17 3014.87 569.45 03:10:26 15.26 13.31 1.89 0.05 148.21 43.45 6.69 03:20:06 1.30 0.00 1.30 0.00 0.00 16.32 0.00 03:30:26 1.87 0.00 1.83 0.04 0.00 385.35 0.54 03:40:01 1.45 0.00 1.43 0.02 0.00 95.81 0.28 03:50:26 1.52 0.00 1.51 0.02 0.00 18.76 0.28 Average: 5.56 1.41 2.89 1.25 35.00 320.63 9270.31 01:50:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:16 6287296 7538240 282296 3.47 30600 1425972 527956 5.75 444876 1187004 124 02:10:16 6248268 7528148 291736 3.59 30988 1454140 740020 8.06 460752 1204464 164 02:20:26 6244044 7525128 294692 3.62 31204 1455104 740188 8.06 461392 1205088 124 02:30:26 6252612 7534288 285448 3.51 31432 1455436 740188 8.06 461456 1205648 188 02:40:16 6259960 7542184 277536 3.41 31644 1455772 740188 8.06 461560 1206188 152 02:50:15 5997864 7378244 435404 5.35 39524 1540892 805676 8.78 562596 1286564 40396 03:00:16 5129024 7244140 527028 6.48 85196 2193948 986204 10.74 750356 1952672 184 03:10:26 5076116 7247432 515060 6.33 88556 2238656 944480 10.29 709548 2000140 216 03:20:06 5064224 7246936 515540 6.34 88680 2249948 985152 10.73 733856 2011532 11056 03:30:26 4860468 7147020 614064 7.55 88892 2352320 1082228 11.79 831576 2114140 64 03:40:01 4746296 7056444 704276 8.66 89060 2375432 1163676 12.67 913116 2137292 276 03:50:26 4781648 7092464 668248 8.22 89264 2375880 1119436 12.19 868376 2137944 124 Average: 5578985 7340056 450944 5.54 60420 1881125 881283 9.60 638288 1637390 4422 01:50:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:16 ens3 1.41 0.07 0.18 0.04 0.00 0.00 0.00 0.00 02:10:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:16 ens3 0.60 0.20 3.09 0.03 0.00 0.00 0.00 0.00 02:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:26 ens3 0.26 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:26 ens3 0.31 0.04 0.19 0.01 0.00 0.00 0.00 0.00 02:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:16 ens3 0.29 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:15 ens3 18.92 10.63 51.00 4.47 0.00 0.00 0.00 0.00 03:00:16 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:16 ens3 72.17 55.99 632.19 8.69 0.00 0.00 0.00 0.00 03:10:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:26 ens3 30.83 27.92 451.73 1.84 0.00 0.00 0.00 0.00 03:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:06 ens3 76.66 72.62 1203.13 4.76 0.00 0.00 0.00 0.00 03:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:26 ens3 25.41 23.71 381.62 1.63 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 28.96 26.70 437.55 1.79 0.00 0.00 0.00 0.00 03:50:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:26 ens3 11.23 10.22 163.83 0.69 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 22.10 18.87 274.50 1.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3177) 04/16/26 _x86_64_ (2 CPU) 01:48:42 LINUX RESTART (2 CPU) 01:50:26 CPU %user %nice %system %iowait %steal %idle 02:00:16 all 0.28 0.00 0.17 0.01 0.03 99.50 02:00:16 0 0.11 0.00 0.20 0.00 0.03 99.66 02:00:16 1 0.45 0.00 0.15 0.02 0.03 99.35 02:10:16 all 0.41 0.00 0.12 0.04 0.03 99.39 02:10:16 0 0.56 0.00 0.14 0.06 0.03 99.22 02:10:16 1 0.26 0.00 0.11 0.03 0.03 99.57 02:20:26 all 0.26 0.00 0.08 0.01 0.03 99.62 02:20:26 0 0.44 0.00 0.06 0.01 0.02 99.47 02:20:26 1 0.07 0.00 0.10 0.01 0.04 99.77 02:30:26 all 0.29 0.00 0.16 0.01 0.03 99.51 02:30:26 0 0.39 0.00 0.14 0.00 0.02 99.45 02:30:26 1 0.19 0.00 0.19 0.03 0.04 99.56 02:40:16 all 0.26 0.00 0.07 0.01 0.03 99.63 02:40:16 0 0.39 0.00 0.07 0.01 0.02 99.52 02:40:16 1 0.14 0.00 0.07 0.01 0.04 99.74 02:50:15 all 1.17 0.00 0.23 0.04 0.03 98.53 02:50:15 0 1.04 0.00 0.24 0.03 0.02 98.68 02:50:15 1 1.31 0.00 0.23 0.05 0.03 98.38 03:00:16 all 10.59 0.00 1.76 0.61 0.06 86.98 03:00:16 0 13.26 0.00 1.84 0.70 0.06 84.15 03:00:16 1 7.92 0.00 1.69 0.51 0.06 89.82 03:10:26 all 0.63 0.19 0.33 0.17 0.04 98.63 03:10:26 0 0.59 0.01 0.25 0.02 0.04 99.09 03:10:26 1 0.67 0.36 0.41 0.33 0.05 98.18 03:20:06 all 1.08 0.00 0.56 0.01 0.05 98.31 03:20:06 0 0.93 0.00 0.32 0.00 0.04 98.70 03:20:06 1 1.23 0.00 0.80 0.01 0.05 97.91 03:30:26 all 0.80 0.00 0.30 0.01 0.05 98.84 03:30:26 0 0.70 0.00 0.22 0.02 0.04 99.02 03:30:26 1 0.91 0.00 0.37 0.01 0.06 98.65 03:40:01 all 0.71 0.00 0.25 0.01 0.05 98.99 03:40:01 0 0.88 0.00 0.36 0.01 0.06 98.70 03:40:01 1 0.54 0.00 0.13 0.01 0.03 99.29 03:40:01 CPU %user %nice %system %iowait %steal %idle 03:50:26 all 0.50 0.00 0.20 0.01 0.04 99.24 03:50:26 0 0.46 0.00 0.12 0.00 0.03 99.39 03:50:26 1 0.55 0.00 0.28 0.02 0.05 99.10 Average: all 1.41 0.02 0.35 0.08 0.04 98.10 Average: 0 1.64 0.00 0.33 0.07 0.03 97.92 Average: 1 1.19 0.03 0.38 0.09 0.04 98.28