---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37264 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 8.3G 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 771 4817 4 2650 7170 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:1f:6e:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78656sec preferred_lft 78656sec inet6 fe80::f816:3eff:fe1f:6e40/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37264) 07/20/26 _x86_64_ (2 CPU) 00:42:25 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 1.56 0.01 1.54 0.01 0.05 18.74 432.67 01:10:06 1.29 0.00 1.29 0.00 0.00 15.43 0.00 01:20:01 14.02 0.01 1.36 12.65 0.16 16.20 110185.21 01:30:06 2.10 0.25 1.83 0.02 30.69 78.85 648.04 01:40:06 1.37 0.00 1.37 0.00 0.00 16.37 0.00 01:50:01 1.31 0.00 1.31 0.01 0.00 15.53 0.48 02:00:06 23.73 2.83 18.58 2.32 223.79 3492.65 687.91 02:10:06 1.17 0.00 1.16 0.02 0.00 14.83 1.20 02:20:01 1.44 0.00 1.42 0.02 0.00 124.32 1.12 02:30:06 1.76 0.00 1.69 0.07 0.00 426.49 1.86 02:40:06 1.39 0.00 1.35 0.04 0.00 62.80 1.37 02:50:06 2.08 0.04 1.66 0.38 1.08 50.39 1375.45 Average: 4.44 0.26 2.89 1.29 21.48 363.57 9356.05 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 6293384 7540260 280524 3.45 30664 1421884 528504 5.76 445880 1183656 200 01:10:06 6292712 7540092 280720 3.45 30832 1422216 528728 5.76 446188 1184156 192 01:20:01 6298756 7546704 274088 3.37 31016 1422596 528676 5.76 446672 1184688 276 01:30:06 6247040 7522276 298036 3.66 31376 1449156 729652 7.95 460616 1202848 124 01:40:06 6253612 7529484 290788 3.58 31544 1449612 756952 8.24 464292 1203344 248 01:50:01 6253112 7529500 290752 3.58 31724 1449940 756952 8.24 466348 1203852 172 02:00:06 5045220 7262832 503556 6.19 87752 2289236 949004 10.34 708992 2053612 200 02:10:06 4884628 7102780 663640 8.16 87884 2289640 1092796 11.90 852904 2054152 220 02:20:01 4829108 7079748 686712 8.44 88064 2321944 1150560 12.53 894408 2086636 120 02:30:06 4721692 7097668 666728 8.20 88252 2445404 1150072 12.53 893560 2210272 272 02:40:06 4664780 7055420 708724 8.71 88396 2459712 1154120 12.57 898352 2224604 260 02:50:06 4933872 7338420 433312 5.33 88860 2479916 845532 9.21 631256 2245104 212412 Average: 5559826 7345432 448132 5.51 59697 1908438 847629 9.23 634122 1669744 17891 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.56 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 1.15 0.06 9.61 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.50 0.08 0.25 0.05 0.00 0.00 0.00 0.00 01:30:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.79 0.37 3.22 0.06 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.53 0.21 0.13 0.58 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.32 0.06 0.10 0.05 0.00 0.00 0.00 0.00 02:00:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:06 ens3 95.73 74.58 778.69 13.13 0.00 0.00 0.00 0.00 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 30.53 28.02 480.45 1.85 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 80.23 77.92 1279.50 5.11 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 28.89 27.37 444.04 1.83 0.00 0.00 0.00 0.00 02:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:06 ens3 23.27 22.05 356.60 1.48 0.00 0.00 0.00 0.00 02:50:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 32.44 25.74 300.41 23.59 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 24.59 21.38 304.11 3.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37264) 07/20/26 _x86_64_ (2 CPU) 00:42:25 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 0.29 0.00 0.17 0.01 0.02 99.52 01:00:06 0 0.28 0.00 0.17 0.01 0.02 99.52 01:00:06 1 0.30 0.00 0.16 0.01 0.02 99.51 01:10:06 all 0.26 0.00 0.07 0.01 0.02 99.64 01:10:06 0 0.12 0.00 0.09 0.00 0.02 99.77 01:10:06 1 0.40 0.00 0.06 0.01 0.02 99.51 01:20:01 all 0.23 0.00 0.09 0.03 0.02 99.63 01:20:01 0 0.24 0.00 0.08 0.01 0.02 99.66 01:20:01 1 0.22 0.00 0.11 0.05 0.02 99.60 01:30:06 all 0.43 0.00 0.20 0.02 0.01 99.34 01:30:06 0 0.31 0.00 0.19 0.00 0.01 99.49 01:30:06 1 0.55 0.00 0.21 0.03 0.01 99.19 01:40:06 all 0.28 0.00 0.07 0.01 0.02 99.63 01:40:06 0 0.12 0.00 0.09 0.00 0.02 99.77 01:40:06 1 0.45 0.00 0.05 0.01 0.01 99.48 01:50:01 all 0.26 0.00 0.07 0.01 0.02 99.65 01:50:01 0 0.06 0.00 0.08 0.01 0.02 99.84 01:50:01 1 0.47 0.00 0.05 0.01 0.01 99.46 02:00:06 all 12.41 0.00 1.97 0.48 0.05 85.09 02:00:06 0 13.32 0.00 1.87 0.56 0.05 84.21 02:00:06 1 11.51 0.00 2.07 0.40 0.05 85.97 02:10:06 all 0.64 0.00 0.28 0.01 0.04 99.03 02:10:06 0 0.69 0.00 0.29 0.02 0.04 98.96 02:10:06 1 0.59 0.00 0.27 0.01 0.05 99.09 02:20:01 all 1.12 0.00 0.60 0.01 0.04 98.23 02:20:01 0 1.41 0.00 0.85 0.01 0.05 97.68 02:20:01 1 0.84 0.00 0.35 0.01 0.04 98.77 02:30:06 all 0.85 0.00 0.32 0.01 0.04 98.78 02:30:06 0 0.71 0.00 0.26 0.02 0.03 98.98 02:30:06 1 0.99 0.00 0.37 0.01 0.04 98.58 02:40:06 all 0.64 0.00 0.24 0.01 0.04 99.08 02:40:06 0 0.63 0.00 0.32 0.01 0.05 99.00 02:40:06 1 0.64 0.00 0.16 0.00 0.03 99.16 02:40:06 CPU %user %nice %system %iowait %steal %idle 02:50:06 all 2.25 0.00 0.39 0.02 0.04 97.29 02:50:06 0 2.55 0.00 0.46 0.03 0.06 96.90 02:50:06 1 1.96 0.00 0.33 0.01 0.03 97.67 Average: all 1.65 0.00 0.37 0.05 0.03 97.90 Average: 0 1.71 0.00 0.40 0.06 0.03 97.81 Average: 1 1.58 0.00 0.35 0.05 0.03 97.99