---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29890 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 7.9G 30G 21% / 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 757 5300 4 2173 7184 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:06:4d:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80210sec preferred_lft 80210sec inet6 fe80::f816:3eff:fe06:4def/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-29890) 03/25/26 _x86_64_ (2 CPU) 00:39:24 LINUX RESTART (2 CPU) 00:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.58 0.03 1.53 0.02 1.29 23.83 223.50 01:00:14 1.48 0.01 1.44 0.02 0.05 17.64 427.67 01:10:14 1.28 0.00 1.26 0.02 0.00 15.16 1.20 01:20:00 1.35 0.00 1.33 0.02 0.01 15.81 1.11 01:30:16 14.48 0.32 1.89 12.28 39.22 75.23 106841.30 01:40:10 1.37 0.00 1.36 0.02 0.00 15.94 1.21 01:50:00 23.31 3.07 17.97 2.27 231.62 3162.39 669.52 02:00:18 1.67 0.00 1.65 0.01 0.47 30.19 0.35 02:10:18 1.37 0.00 1.37 0.00 0.00 16.15 0.00 02:20:01 1.41 0.02 1.39 0.00 0.62 16.55 0.04 Average: 4.93 0.34 3.10 1.50 27.10 334.51 11111.55 00:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6278680 7524592 295892 3.64 30560 1421272 536932 5.85 443108 1183152 120 01:00:14 6283916 7530400 290016 3.57 30764 1421612 537004 5.85 443320 1183696 120 01:10:14 6290564 7537576 282900 3.48 30964 1421932 537132 5.85 443472 1184216 124 01:20:00 6293484 7541028 279444 3.44 31164 1422260 537124 5.85 443728 1184744 124 01:30:16 6233700 7510324 309396 3.80 31592 1450500 537280 5.85 455544 1202008 124 01:40:10 6255412 7532684 287036 3.53 31784 1450952 537344 5.85 455768 1202524 124 01:50:00 5353936 7460528 311208 3.83 84908 2186068 561168 6.11 545568 1945208 2560 02:00:18 5297912 7405284 366404 4.51 85060 2186764 630136 6.86 587788 1946056 180 02:10:18 5301596 7409420 362284 4.45 85168 2187116 630136 6.86 587860 1946516 124 02:20:01 5283700 7392184 379576 4.67 85300 2187644 630324 6.87 588108 1947056 124 Average: 5887290 7484402 316416 3.89 52726 1733612 567458 6.18 499426 1492518 372 00:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.42 0.10 0.32 0.06 0.00 0.00 0.00 0.00 01:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 0.74 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 0.70 0.05 2.20 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.62 0.08 0.72 0.06 0.00 0.00 0.00 0.00 01:30:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.72 0.32 3.00 0.50 0.00 0.00 0.00 0.00 01:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 0.39 0.07 0.11 0.05 0.00 0.00 0.00 0.00 01:50:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:00 ens3 61.40 42.50 301.94 11.07 0.00 0.00 0.00 0.00 02:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:18 ens3 4.25 1.23 0.85 0.23 0.00 0.00 0.00 0.00 02:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:18 ens3 0.91 0.18 0.11 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 1.12 0.15 11.21 0.03 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 7.24 4.42 31.60 1.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29890) 03/25/26 _x86_64_ (2 CPU) 00:39:24 LINUX RESTART (2 CPU) 00:40:14 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.31 0.00 0.16 0.01 0.03 99.48 00:50:01 0 0.45 0.00 0.15 0.02 0.03 99.35 00:50:01 1 0.17 0.00 0.17 0.01 0.04 99.61 01:00:14 all 0.27 0.00 0.15 0.01 0.04 99.54 01:00:14 0 0.35 0.00 0.12 0.01 0.03 99.50 01:00:14 1 0.19 0.00 0.18 0.00 0.04 99.58 01:10:14 all 0.25 0.00 0.07 0.01 0.03 99.64 01:10:14 0 0.44 0.00 0.06 0.02 0.03 99.45 01:10:14 1 0.06 0.00 0.08 0.00 0.04 99.82 01:20:00 all 0.21 0.00 0.07 0.01 0.04 99.68 01:20:00 0 0.35 0.00 0.05 0.02 0.03 99.55 01:20:00 1 0.06 0.00 0.09 0.00 0.04 99.80 01:30:16 all 0.40 0.00 0.22 0.05 0.03 99.30 01:30:16 0 0.66 0.00 0.22 0.05 0.03 99.05 01:30:16 1 0.15 0.00 0.22 0.05 0.04 99.54 01:40:10 all 0.21 0.00 0.06 0.01 0.03 99.68 01:40:10 0 0.12 0.00 0.06 0.01 0.03 99.77 01:40:10 1 0.30 0.00 0.07 0.00 0.03 99.59 01:50:00 all 10.57 0.00 1.64 0.59 0.05 87.14 01:50:00 0 11.51 0.00 1.85 1.01 0.05 85.57 01:50:00 1 9.64 0.00 1.44 0.17 0.04 88.71 02:00:18 all 0.46 0.00 0.22 0.01 0.06 99.24 02:00:18 0 0.51 0.00 0.17 0.01 0.04 99.27 02:00:18 1 0.41 0.00 0.28 0.01 0.09 99.21 02:10:18 all 0.35 0.00 0.13 0.01 0.07 99.44 02:10:18 0 0.25 0.00 0.17 0.01 0.09 99.47 02:10:18 1 0.45 0.00 0.08 0.00 0.05 99.41 02:20:01 all 0.40 0.00 0.13 0.02 0.06 99.38 02:20:01 0 0.44 0.00 0.13 0.02 0.05 99.36 02:20:01 1 0.36 0.00 0.14 0.02 0.08 99.40 Average: all 1.33 0.00 0.28 0.07 0.05 98.27 Average: 0 1.49 0.00 0.30 0.12 0.04 98.06 Average: 1 1.17 0.00 0.27 0.03 0.05 98.48