---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22101 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: 5600.00 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 766 5207 4 2259 7175 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:b3:37:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80417sec preferred_lft 80417sec inet6 fe80::f816:3eff:feb3:3780/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22101) 06/01/26 _x86_64_ (2 CPU) 01:47:49 LINUX RESTART (2 CPU) 01:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 14.40 0.03 1.45 12.92 1.43 17.60 112864.07 02:10:18 1.79 0.25 1.51 0.03 30.16 72.65 1.35 02:20:18 1.27 0.00 1.25 0.01 0.01 14.80 0.96 02:30:01 1.50 0.00 1.49 0.01 0.00 17.63 448.91 02:40:18 1.36 0.00 1.36 0.00 0.00 16.10 0.00 02:50:18 1.36 0.03 1.33 0.00 1.91 16.40 0.00 03:00:01 23.76 3.07 18.32 2.37 232.88 3505.00 708.07 03:10:18 1.27 0.00 1.27 0.00 0.00 15.30 0.00 03:20:18 1.32 0.00 1.32 0.00 0.00 15.97 0.00 Average: 5.22 0.37 3.20 1.66 28.94 399.06 12306.24 01:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6293724 7544704 275516 3.39 30608 1426184 527556 5.75 445492 1187272 124 02:10:18 6246636 7524512 295252 3.63 31020 1452328 723772 7.88 459928 1205064 128 02:20:18 6253656 7532076 287608 3.54 31216 1452656 723772 7.88 459940 1205588 208 02:30:01 6251932 7530900 288696 3.55 31404 1452984 726300 7.91 456984 1206104 184 02:40:18 6254452 7533940 285652 3.51 31592 1453312 727172 7.92 457352 1206620 160 02:50:18 6251240 7532176 287412 3.53 31748 1454592 730256 7.95 461428 1207640 136 03:00:01 5197584 7393976 373272 4.59 86644 2270564 829488 9.03 603740 2033240 160 03:10:18 5195832 7392708 374536 4.61 86772 2270920 829488 9.03 603624 2033724 160 03:20:18 5194824 7392188 375060 4.61 86904 2271276 829552 9.04 603744 2034212 176 Average: 5904431 7486353 315889 3.88 49768 1722757 738595 8.04 505804 1479940 160 01:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.23 0.12 0.25 0.04 0.00 0.00 0.00 0.00 02:10:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:18 ens3 0.77 0.27 3.09 0.03 0.00 0.00 0.00 0.00 02:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:18 ens3 0.28 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.23 0.05 0.04 0.02 0.00 0.00 0.00 0.00 02:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:18 ens3 0.31 0.04 0.07 0.03 0.00 0.00 0.00 0.00 02:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:18 ens3 0.97 0.42 0.84 0.57 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 70.36 45.62 324.87 11.25 0.00 0.00 0.00 0.00 03:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:18 ens3 2.03 0.27 0.25 0.03 0.00 0.00 0.00 0.00 03:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:18 ens3 0.99 0.18 0.11 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 8.35 5.08 35.58 1.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22101) 06/01/26 _x86_64_ (2 CPU) 01:47:49 LINUX RESTART (2 CPU) 01:50:18 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.19 0.03 0.03 99.44 02:00:01 0 0.29 0.00 0.19 0.03 0.03 99.46 02:00:01 1 0.31 0.00 0.20 0.03 0.03 99.43 02:10:18 all 0.38 0.00 0.11 0.02 0.03 99.46 02:10:18 0 0.24 0.00 0.08 0.01 0.03 99.64 02:10:18 1 0.51 0.00 0.14 0.04 0.03 99.28 02:20:18 all 0.25 0.00 0.08 0.01 0.03 99.63 02:20:18 0 0.45 0.00 0.05 0.01 0.03 99.46 02:20:18 1 0.05 0.00 0.10 0.01 0.04 99.80 02:30:01 all 0.24 0.00 0.17 0.01 0.03 99.55 02:30:01 0 0.29 0.00 0.16 0.01 0.03 99.50 02:30:01 1 0.19 0.00 0.17 0.01 0.04 99.59 02:40:18 all 0.28 0.00 0.08 0.01 0.03 99.61 02:40:18 0 0.16 0.00 0.07 0.01 0.03 99.74 02:40:18 1 0.39 0.00 0.08 0.01 0.03 99.49 02:50:18 all 0.29 0.00 0.08 0.01 0.03 99.60 02:50:18 0 0.10 0.00 0.10 0.01 0.03 99.77 02:50:18 1 0.49 0.00 0.06 0.00 0.02 99.42 03:00:01 all 12.19 0.00 1.87 0.54 0.06 85.35 03:00:01 0 14.65 0.00 2.01 0.69 0.05 82.59 03:00:01 1 9.73 0.00 1.73 0.38 0.06 88.10 03:10:18 all 0.42 0.00 0.14 0.01 0.06 99.37 03:10:18 0 0.42 0.00 0.17 0.00 0.07 99.33 03:10:18 1 0.43 0.00 0.11 0.01 0.05 99.41 03:20:18 all 0.40 0.00 0.14 0.01 0.06 99.40 03:20:18 0 0.54 0.00 0.11 0.01 0.05 99.29 03:20:18 1 0.25 0.00 0.16 0.01 0.07 99.51 Average: all 1.60 0.00 0.31 0.07 0.04 97.98 Average: 0 1.86 0.00 0.32 0.08 0.04 97.70 Average: 1 1.34 0.00 0.30 0.05 0.04 98.26