---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-726 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 8.1G 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 768 5068 4 2399 7173 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:81:19:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79822sec preferred_lft 79822sec inet6 fe80::f816:3eff:fe81:1973/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-726) 09/06/26 _x86_64_ (2 CPU) 00:42:49 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.37 0.01 1.34 0.02 0.05 17.31 213.91 01:10:01 25.81 3.18 20.35 2.28 267.91 3567.94 824.12 01:20:01 1.25 0.00 1.24 0.01 0.01 21.55 0.37 01:30:01 1.60 0.00 1.58 0.02 0.00 23.92 0.25 01:40:01 1.31 0.00 1.29 0.02 0.00 128.96 0.13 01:50:01 1.21 0.00 1.18 0.03 0.00 16.80 0.25 02:00:01 1.45 0.00 1.40 0.05 0.00 19.81 0.51 02:10:01 1.31 0.00 1.28 0.03 0.00 25.97 403.13 02:20:01 1.36 0.00 1.33 0.02 0.20 51.90 0.25 02:30:01 1.72 0.00 1.67 0.05 0.00 27.00 0.72 Average: 3.84 0.32 3.27 0.25 26.82 390.10 144.35 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6291332 7538208 282268 3.47 30648 1423120 527484 5.75 449232 1183932 124 01:10:01 5128548 7352968 413316 5.08 87584 2297700 853412 9.30 626840 2059884 124 01:20:01 5114564 7341160 425096 5.23 87748 2299716 872556 9.50 638000 2062064 132 01:30:01 5108436 7336832 429356 5.28 87900 2301364 872628 9.50 638184 2063736 132 01:40:01 5070168 7333136 432848 5.32 88068 2335564 892556 9.72 656528 2098104 148 01:50:01 5069512 7333328 432668 5.32 88264 2336204 892484 9.72 656532 2098940 300 02:00:01 5058744 7323428 442508 5.44 88488 2336840 892608 9.72 656616 2099796 284 02:10:01 4988356 7256468 509404 6.26 88672 2340036 879760 9.58 644640 2103176 780 02:20:01 5030792 7309636 456092 5.61 88800 2350524 880828 9.59 645024 2113640 220 02:30:01 5048136 7329192 436504 5.37 89004 2352480 880872 9.59 645256 2115828 160 Average: 5190859 7345436 426006 5.24 82518 2237355 844519 9.20 625685 1999910 240 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.59 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 01:10:01 ens3 74.80 56.42 424.80 12.65 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 16.33 14.13 223.59 1.36 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 5.58 5.07 33.21 0.68 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 3.54 2.40 36.70 0.25 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 2.78 1.74 0.37 0.25 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 2.73 1.72 0.35 0.24 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 12.45 11.90 148.85 1.42 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 17.87 16.97 215.47 1.74 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 13.01 12.34 140.17 1.10 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 14.97 12.28 122.36 1.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-726) 09/06/26 _x86_64_ (2 CPU) 00:42:49 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.17 0.01 0.00 99.54 01:00:01 0 0.09 0.00 0.19 0.00 0.01 99.71 01:00:01 1 0.46 0.00 0.15 0.02 0.00 99.37 01:10:01 all 12.53 0.00 2.18 0.61 0.01 84.66 01:10:01 0 12.05 0.00 2.10 0.40 0.02 85.44 01:10:01 1 13.01 0.00 2.26 0.83 0.01 83.89 01:20:01 all 0.96 0.00 0.33 0.01 0.01 98.69 01:20:01 0 0.59 0.00 0.20 0.02 0.01 99.18 01:20:01 1 1.32 0.00 0.47 0.00 0.02 98.19 01:30:01 all 0.88 0.00 0.33 0.01 0.01 98.77 01:30:01 0 1.06 0.00 0.29 0.01 0.01 98.63 01:30:01 1 0.71 0.00 0.37 0.01 0.02 98.91 01:40:01 all 0.69 0.00 0.19 0.01 0.01 99.09 01:40:01 0 0.54 0.00 0.16 0.01 0.01 99.28 01:40:01 1 0.86 0.00 0.23 0.01 0.02 98.88 01:50:01 all 0.60 0.00 0.18 0.01 0.01 99.20 01:50:01 0 0.55 0.00 0.15 0.01 0.01 99.29 01:50:01 1 0.64 0.00 0.22 0.02 0.01 99.11 02:00:01 all 0.63 0.00 0.27 0.03 0.01 99.06 02:00:01 0 0.56 0.00 0.24 0.06 0.01 99.13 02:00:01 1 0.69 0.00 0.31 0.00 0.01 98.99 02:10:01 all 1.36 0.00 0.31 0.03 0.02 98.28 02:10:01 0 2.05 0.00 0.44 0.01 0.02 97.48 02:10:01 1 0.68 0.00 0.17 0.06 0.01 99.08 02:20:01 all 1.87 0.00 0.43 0.08 0.02 97.61 02:20:01 0 2.01 0.00 0.40 0.13 0.02 97.46 02:20:01 1 1.74 0.00 0.46 0.03 0.02 97.76 02:30:01 all 0.99 0.00 0.40 0.02 0.01 98.57 02:30:01 0 1.18 0.00 0.54 0.03 0.02 98.23 02:30:01 1 0.81 0.00 0.27 0.00 0.01 98.91 Average: all 2.09 0.00 0.48 0.08 0.01 97.33 Average: 0 2.07 0.00 0.47 0.07 0.01 97.38 Average: 1 2.11 0.00 0.49 0.10 0.01 97.28