---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42061 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 708 9502 4 5778 14937 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:d2:37:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84430sec preferred_lft 84430sec inet6 fe80::f816:3eff:fed2:377f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:61:8f:45:4b:e7 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42061) 08/28/26 _x86_64_ (4 CPU) 12:24:46 LINUX RESTART (4 CPU) 12:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:14 26.42 1.76 22.43 2.23 82.28 4445.49 13237.53 12:50:14 30.22 0.05 27.08 3.09 1.85 6117.41 19137.39 Average: 28.32 0.91 24.75 2.66 42.07 5281.45 16187.46 12:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:14 9501156 13362460 2592088 15.83 162180 3778072 2722940 15.63 728524 5683016 17592 12:50:14 7291900 12608448 3339584 20.40 191096 5130908 3418760 19.62 1037288 7531804 14828 Average: 8396528 12985454 2965836 18.11 176638 4454490 3070850 17.63 882906 6607410 16210 12:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:14 lo 1034.50 1034.50 985.59 985.59 0.00 0.00 0.00 0.00 12:40:14 ens3 64.22 48.83 372.25 15.96 0.00 0.00 0.00 0.00 12:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:14 lo 1321.44 1321.44 1259.59 1259.59 0.00 0.00 0.00 0.00 12:50:14 ens3 47.38 37.92 255.57 12.24 0.00 0.00 0.00 0.00 12:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1177.97 1177.97 1122.59 1122.59 0.00 0.00 0.00 0.00 Average: ens3 55.80 43.38 313.91 14.10 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42061) 08/28/26 _x86_64_ (4 CPU) 12:24:46 LINUX RESTART (4 CPU) 12:30:14 CPU %user %nice %system %iowait %steal %idle 12:40:14 all 64.76 0.00 2.46 0.08 0.03 32.68 12:40:14 0 65.29 0.00 3.01 0.09 0.03 31.57 12:40:14 1 64.18 0.00 2.42 0.11 0.03 33.25 12:40:14 2 65.49 0.00 2.15 0.03 0.03 32.32 12:40:14 3 64.07 0.00 2.24 0.10 0.03 33.57 12:50:14 all 56.31 0.00 2.61 0.09 0.02 40.97 12:50:14 0 54.55 0.00 2.75 0.07 0.02 42.62 12:50:14 1 57.66 0.00 2.30 0.06 0.02 39.95 12:50:14 2 55.25 0.00 2.60 0.14 0.02 41.99 12:50:14 3 57.78 0.00 2.78 0.09 0.03 39.32 Average: all 60.53 0.00 2.53 0.09 0.03 36.82 Average: 0 59.91 0.00 2.88 0.08 0.03 37.10 Average: 1 60.92 0.00 2.36 0.09 0.03 36.60 Average: 2 60.37 0.00 2.37 0.08 0.02 37.15 Average: 3 60.92 0.00 2.51 0.10 0.03 36.44