---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54114 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 750 5301 4 2177 7191 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:4e:0e:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80835sec preferred_lft 80835sec inet6 fe80::f816:3eff:fe4e:eb6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54114) 03/30/26 _x86_64_ (2 CPU) 00:41:03 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:44 13.33 0.01 1.59 11.73 0.19 19.06 102271.72 01:10:24 1.38 0.00 1.37 0.02 0.00 15.60 1.12 01:20:02 2.02 0.33 1.66 0.03 41.66 75.38 1.51 01:30:14 1.57 0.00 1.54 0.03 0.00 18.34 1.44 01:40:44 1.37 0.00 1.36 0.02 0.00 16.34 1.26 01:50:01 23.89 3.27 18.22 2.40 245.55 3343.80 1033.82 02:00:34 1.69 0.00 1.67 0.02 0.45 31.12 5.18 02:10:44 1.37 0.00 1.37 0.00 0.00 16.42 0.00 Average: 5.69 0.42 3.43 1.85 33.27 408.25 13701.04 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:44 6277604 7528368 291852 3.59 30804 1425820 522252 5.69 444332 1187444 124 01:10:24 6276680 7527936 292232 3.59 30984 1426164 522404 5.69 447300 1187928 188 01:20:02 6249800 7530024 289648 3.56 31364 1454328 522756 5.69 459232 1205136 240 01:30:14 6251568 7532400 287224 3.53 31576 1454696 522756 5.69 459020 1205716 180 01:40:44 6254892 7536412 283204 3.48 31804 1455148 522756 5.69 459400 1206268 124 01:50:01 5344732 7456132 315304 3.88 85040 2190608 549892 5.99 550404 1949408 2472 02:00:34 5288176 7400360 371112 4.56 85184 2191332 618820 6.74 592696 1950276 224 02:10:44 5288176 7400856 370628 4.56 85332 2191712 618828 6.74 592860 1950796 200 Average: 5903954 7489061 312650 3.84 51511 1723726 550058 5.99 500656 1480372 469 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:44 ens3 0.66 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:24 ens3 0.95 0.06 10.57 0.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.86 0.31 3.28 0.08 0.00 0.00 0.00 0.00 01:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 0.31 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:44 ens3 0.37 0.08 0.10 0.05 0.00 0.00 0.00 0.00 01:50:01 lo 1.36 1.36 0.09 0.09 0.00 0.00 0.00 0.00 01:50:01 ens3 70.30 45.08 321.00 12.40 0.00 0.00 0.00 0.00 02:00:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:34 ens3 3.66 1.04 0.82 0.24 0.00 0.00 0.00 0.00 02:10:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:44 ens3 0.65 0.20 0.09 0.04 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.03 5.41 38.70 1.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54114) 03/30/26 _x86_64_ (2 CPU) 00:41:03 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:44 all 0.27 0.00 0.16 0.03 0.03 99.52 01:00:44 0 0.38 0.00 0.14 0.01 0.02 99.44 01:00:44 1 0.15 0.00 0.17 0.05 0.04 99.59 01:10:24 all 0.29 0.00 0.07 0.01 0.03 99.61 01:10:24 0 0.45 0.00 0.06 0.01 0.02 99.46 01:10:24 1 0.12 0.00 0.09 0.01 0.03 99.75 01:20:02 all 0.35 0.00 0.11 0.03 0.03 99.48 01:20:02 0 0.45 0.00 0.09 0.01 0.02 99.43 01:20:02 1 0.26 0.00 0.13 0.04 0.03 99.54 01:30:14 all 0.27 0.00 0.15 0.01 0.03 99.54 01:30:14 0 0.31 0.00 0.15 0.00 0.03 99.51 01:30:14 1 0.23 0.00 0.16 0.02 0.03 99.56 01:40:44 all 0.23 0.00 0.07 0.01 0.03 99.66 01:40:44 0 0.34 0.00 0.05 0.00 0.03 99.59 01:40:44 1 0.13 0.00 0.08 0.02 0.04 99.73 01:50:01 all 11.37 0.00 1.75 0.58 0.04 86.26 01:50:01 0 11.51 0.00 1.74 0.58 0.05 86.12 01:50:01 1 11.23 0.00 1.75 0.58 0.04 86.39 02:00:34 all 0.51 0.00 0.21 0.01 0.05 99.21 02:00:34 0 0.56 0.00 0.24 0.01 0.06 99.14 02:00:34 1 0.46 0.00 0.19 0.02 0.04 99.29 02:10:44 all 0.40 0.00 0.12 0.01 0.05 99.42 02:10:44 0 0.49 0.00 0.08 0.01 0.03 99.40 02:10:44 1 0.31 0.00 0.17 0.01 0.08 99.44 Average: all 1.60 0.00 0.31 0.08 0.04 97.97 Average: 0 1.70 0.00 0.30 0.07 0.03 97.90 Average: 1 1.50 0.00 0.33 0.09 0.04 98.04