---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37456 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 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 783 5162 4 2288 7158 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:7c:f1:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80117sec preferred_lft 80117sec inet6 fe80::f816:3eff:fe7c:f1ba/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-37456) 07/21/26 _x86_64_ (2 CPU) 00:39:29 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.63 0.04 1.56 0.03 1.56 27.40 218.70 01:00:15 1.44 0.01 1.41 0.03 0.05 17.51 427.00 01:10:15 1.17 0.00 1.15 0.02 0.00 14.24 1.20 01:20:15 1.67 0.25 1.39 0.03 30.99 74.28 1.37 01:30:15 1.49 0.01 1.46 0.03 1.05 17.80 1.41 01:40:15 1.24 0.00 1.22 0.02 0.00 14.81 1.20 01:50:02 1.18 0.00 1.18 0.00 0.00 14.54 0.25 02:00:15 23.63 2.81 18.55 2.28 220.79 3478.66 855.90 02:10:15 14.78 0.00 1.27 13.50 0.15 15.55 106440.86 02:20:01 1.17 0.00 1.17 0.00 0.00 14.49 0.00 Average: 4.99 0.32 3.08 1.60 25.95 376.62 10796.03 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6290064 7541968 278676 3.43 30588 1426932 523296 5.70 448972 1187464 140 01:00:15 6296192 7548688 271984 3.34 30816 1427276 523396 5.70 449088 1188036 124 01:10:15 6295492 7548532 272168 3.35 31032 1427596 523548 5.70 449304 1188572 160 01:20:15 6245720 7526052 294164 3.62 31408 1454156 723672 7.88 464020 1206744 192 01:30:15 6263592 7544808 275268 3.38 31620 1454800 523644 5.70 458888 1207288 196 01:40:15 6262360 7544216 275848 3.39 31804 1455248 523772 5.70 459408 1207792 124 01:50:02 6263124 7545480 274580 3.38 31972 1455576 523836 5.71 459468 1208288 304 02:00:15 5173848 7397216 369068 4.54 87616 2295144 656028 7.15 611976 2057940 180 02:10:15 5171420 7395320 370936 4.56 87764 2295540 656028 7.15 612092 2058448 176 02:20:01 5170640 7395060 371208 4.56 87920 2295900 656028 7.15 611996 2058972 284 Average: 5943245 7498734 305390 3.76 48254 1698817 583325 6.35 502521 1456954 188 00:40:00 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 3.00 0.21 0.64 0.13 0.00 0.00 0.00 0.00 01:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:15 ens3 0.49 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:15 ens3 0.93 0.07 8.22 0.03 0.00 0.00 0.00 0.00 01:20:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 0.81 0.25 4.06 0.07 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.25 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 0.46 0.21 0.14 0.65 0.00 0.00 0.00 0.00 01:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 0.36 0.13 0.13 0.08 0.00 0.00 0.00 0.00 02:00:15 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:00:15 ens3 66.13 42.85 318.74 10.87 0.00 0.00 0.00 0.00 02:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 1.97 0.24 0.22 0.03 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 2.24 0.16 0.16 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 7.81 4.52 33.95 1.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37456) 07/21/26 _x86_64_ (2 CPU) 00:39:29 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.34 0.00 0.17 0.02 0.03 99.45 00:50:01 0 0.50 0.00 0.15 0.02 0.02 99.30 00:50:01 1 0.17 0.00 0.19 0.01 0.04 99.60 01:00:15 all 0.30 0.00 0.16 0.01 0.03 99.50 01:00:15 0 0.29 0.00 0.16 0.02 0.03 99.50 01:00:15 1 0.30 0.00 0.16 0.00 0.04 99.50 01:10:15 all 0.22 0.00 0.07 0.01 0.04 99.66 01:10:15 0 0.05 0.00 0.08 0.01 0.04 99.82 01:10:15 1 0.40 0.00 0.07 0.01 0.03 99.49 01:20:15 all 0.37 0.00 0.10 0.02 0.04 99.48 01:20:15 0 0.24 0.00 0.13 0.03 0.04 99.56 01:20:15 1 0.49 0.00 0.07 0.01 0.03 99.40 01:30:15 all 0.27 0.00 0.16 0.01 0.04 99.52 01:30:15 0 0.27 0.00 0.15 0.02 0.04 99.52 01:30:15 1 0.27 0.00 0.16 0.00 0.04 99.52 01:40:15 all 0.23 0.00 0.07 0.01 0.04 99.66 01:40:15 0 0.06 0.00 0.07 0.02 0.04 99.81 01:40:15 1 0.39 0.00 0.07 0.01 0.03 99.50 01:50:02 all 0.22 0.00 0.06 0.01 0.03 99.67 01:50:02 0 0.41 0.00 0.05 0.01 0.02 99.51 01:50:02 1 0.04 0.00 0.07 0.01 0.04 99.83 02:00:15 all 11.51 0.00 1.76 0.49 0.07 86.18 02:00:15 0 13.27 0.00 1.82 0.70 0.06 84.15 02:00:15 1 9.74 0.00 1.70 0.28 0.08 88.21 02:10:15 all 0.37 0.00 0.14 0.04 0.04 99.41 02:10:15 0 0.42 0.00 0.12 0.02 0.04 99.39 02:10:15 1 0.32 0.00 0.16 0.06 0.04 99.42 02:20:01 all 0.41 0.00 0.13 0.01 0.04 99.40 02:20:01 0 0.40 0.00 0.11 0.02 0.03 99.45 02:20:01 1 0.43 0.00 0.15 0.01 0.04 99.36 Average: all 1.45 0.00 0.29 0.06 0.04 98.16 Average: 0 1.62 0.00 0.29 0.09 0.04 97.97 Average: 1 1.27 0.00 0.28 0.04 0.04 98.36