---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8200 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 13G 66G 16% / 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 681 8577 4 6729 14964 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:06:87:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84151sec preferred_lft 84151sec inet6 fe80::f816:3eff:fe06:871a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:47:db:da:22:6c 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-8200) 09/14/26 _x86_64_ (4 CPU) 13:55:30 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:15 21.61 0.11 18.94 2.56 8.22 2288.11 3589.17 14:20:15 32.50 0.03 29.25 3.23 0.60 4475.77 11008.25 14:30:01 9.60 0.19 8.53 0.89 11.17 6384.24 3284.18 Average: 21.33 0.11 18.98 2.24 6.64 4351.54 5962.45 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:15 8582064 12355220 3601040 21.99 141784 3739396 3611540 20.73 714044 6676308 2020 14:20:15 7678872 12489592 3461772 21.14 166612 4704368 3343876 19.19 1005784 7231088 1344 14:30:01 8818812 15349404 596520 3.64 181900 6353452 1140664 6.55 1657360 5349524 728 Average: 8359916 13398072 2553111 15.59 163432 4932405 2698693 15.49 1125729 6418973 1364 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:15 lo 1320.00 1320.00 1251.75 1251.75 0.00 0.00 0.00 0.00 14:10:15 ens3 48.90 37.47 47.74 12.87 0.00 0.00 0.00 0.00 14:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:15 lo 1425.30 1425.30 1357.03 1357.03 0.00 0.00 0.00 0.00 14:20:15 ens3 48.27 34.21 34.22 19.15 0.00 0.00 0.00 0.00 14:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 2596.07 2596.07 9503.44 9503.44 0.00 0.00 0.00 0.00 14:30:01 ens3 37.83 39.14 103.48 380.13 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1770.78 1770.78 3974.85 3974.85 0.00 0.00 0.00 0.00 Average: ens3 45.08 36.93 61.39 134.60 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-8200) 09/14/26 _x86_64_ (4 CPU) 13:55:30 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:15 all 66.21 0.00 2.47 0.11 0.03 31.18 14:10:15 0 62.56 0.00 2.22 0.20 0.03 34.99 14:10:15 1 67.06 0.00 2.72 0.05 0.03 30.14 14:10:15 2 67.61 0.00 2.59 0.11 0.03 29.66 14:10:15 3 67.60 0.00 2.35 0.08 0.03 29.94 14:20:15 all 60.82 0.00 2.78 0.13 0.03 36.24 14:20:15 0 59.53 0.00 2.81 0.13 0.03 37.51 14:20:15 1 61.28 0.00 2.98 0.15 0.03 35.56 14:20:15 2 61.73 0.00 2.45 0.18 0.03 35.61 14:20:15 3 60.73 0.00 2.90 0.08 0.03 36.26 14:30:01 all 28.58 0.00 1.37 0.11 0.03 69.91 14:30:01 0 25.04 0.00 1.61 0.02 0.03 73.30 14:30:01 1 32.37 0.00 1.29 0.11 0.03 66.20 14:30:01 2 19.37 0.00 1.56 0.26 0.03 78.78 14:30:01 3 37.55 0.00 1.02 0.03 0.03 61.37 Average: all 52.13 0.00 2.21 0.12 0.03 45.51 Average: 0 49.28 0.00 2.21 0.12 0.03 48.36 Average: 1 53.80 0.00 2.34 0.10 0.03 43.73 Average: 2 49.92 0.00 2.21 0.18 0.03 47.66 Average: 3 55.51 0.00 2.10 0.06 0.03 42.30