---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8740 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 764 5008 4 2471 7176 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:76:4f:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80955sec preferred_lft 80955sec inet6 fe80::f816:3eff:fe76:4f87/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8740) 09/17/26 _x86_64_ (2 CPU) 00:35:04 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 15.53 0.04 1.32 14.18 1.44 25.87 106406.61 01:00:01 1.44 0.00 1.41 0.02 0.00 23.61 2.28 01:10:01 15.48 13.53 1.89 0.07 150.57 155.68 6.21 01:20:01 1.28 0.00 1.26 0.02 0.01 17.03 0.13 01:30:01 2.08 0.32 1.72 0.04 43.08 109.60 1.31 01:40:01 1.33 0.00 1.31 0.02 0.00 21.37 396.06 01:50:01 1.33 0.01 1.32 0.01 0.20 59.40 0.08 02:00:01 1.58 0.00 1.56 0.02 0.00 24.43 1.20 Average: 5.01 1.74 1.47 1.80 24.41 54.62 13343.31 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5132856 7329124 437204 5.38 87204 2270256 679700 7.40 619260 2041928 160 01:00:01 5139176 7337444 428856 5.27 87368 2272092 679856 7.40 619752 2043928 152 01:10:01 5030400 7319028 438216 5.39 90716 2350668 699220 7.62 638964 2125244 184 01:20:01 5037708 7327104 430120 5.29 90856 2351284 699380 7.62 639060 2126000 252 01:30:01 4990708 7320384 435732 5.36 91308 2390564 892920 9.73 657228 2155512 136 01:40:01 5003820 7335060 421048 5.18 91492 2391920 859016 9.36 614580 2157060 124 01:50:01 4922160 7266932 488972 6.01 91620 2405140 914668 9.96 679064 2170408 124 02:00:01 4967048 7313952 441844 5.43 91784 2407076 881188 9.60 645584 2172500 360 Average: 5027984 7318628 440249 5.41 90294 2354875 788244 8.59 639186 2124072 186 00:40:01 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 17.01 16.00 286.22 1.59 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 8.09 7.50 61.25 0.87 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 6.20 2.68 37.27 0.38 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 3.16 1.75 0.40 0.26 0.00 0.00 0.00 0.00 01:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 3.21 2.00 4.56 0.28 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 8.40 7.64 120.15 0.93 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 16.21 15.79 217.94 1.89 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 9.57 9.43 139.82 0.93 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.98 7.85 108.43 0.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8740) 09/17/26 _x86_64_ (2 CPU) 00:35:04 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 1.12 0.00 0.37 0.04 0.01 98.45 00:50:01 0 0.92 0.00 0.30 0.07 0.01 98.71 00:50:01 1 1.33 0.00 0.45 0.02 0.01 98.18 01:00:01 all 0.98 0.00 0.36 0.02 0.01 98.64 01:00:01 0 1.09 0.00 0.38 0.03 0.01 98.50 01:00:01 1 0.86 0.00 0.33 0.01 0.01 98.78 01:10:01 all 0.96 0.17 0.30 0.24 0.02 98.31 01:10:01 0 0.66 0.23 0.25 0.30 0.01 98.55 01:10:01 1 1.32 0.10 0.35 0.16 0.04 98.04 01:20:01 all 0.49 0.00 0.16 0.01 0.01 99.34 01:20:01 0 0.49 0.00 0.11 0.01 0.01 99.38 01:20:01 1 0.49 0.00 0.21 0.01 0.01 99.29 01:30:01 all 0.69 0.00 0.32 0.03 0.01 98.94 01:30:01 0 0.80 0.00 0.29 0.05 0.01 98.86 01:30:01 1 0.59 0.00 0.35 0.01 0.01 99.03 01:40:01 all 0.77 0.00 0.25 0.01 0.01 98.96 01:40:01 0 0.58 0.00 0.17 0.01 0.01 99.24 01:40:01 1 0.96 0.00 0.33 0.02 0.02 98.68 01:50:01 all 1.71 0.00 0.37 0.01 0.01 97.90 01:50:01 0 1.28 0.00 0.40 0.00 0.01 98.31 01:50:01 1 2.13 0.00 0.34 0.02 0.01 97.50 02:00:01 all 0.84 0.00 0.37 0.01 0.01 98.78 02:00:01 0 0.74 0.00 0.38 0.01 0.01 98.87 02:00:01 1 0.94 0.00 0.36 0.01 0.01 98.69 Average: all 0.94 0.02 0.31 0.04 0.01 98.67 Average: 0 0.82 0.03 0.28 0.06 0.01 98.80 Average: 1 1.07 0.01 0.34 0.03 0.01 98.53