---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66150 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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: 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 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 692 8550 4 6745 14953 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:4c:3b:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84527sec preferred_lft 84527sec inet6 fe80::f816:3eff:fe4c:3b78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:b3:8d:79:4d:1a 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-66150) 10/21/26 _x86_64_ (4 CPU) 14:19:28 LINUX RESTART (4 CPU) 14:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:01 61.20 5.66 51.85 3.69 360.25 7733.38 16634.47 14:40:11 27.02 0.01 24.24 2.76 0.38 2318.68 12899.66 14:50:11 20.20 0.08 18.15 1.97 8.29 8457.69 5314.97 Average: 36.09 1.91 31.37 2.81 122.27 6148.38 11623.08 14:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:01 9614092 13398976 2557200 15.62 139960 3766048 2581316 14.82 660344 5713748 17116 14:40:11 8571388 12868640 3083856 18.83 160596 4218792 3110836 17.86 779840 6589260 115696 14:50:11 8737140 15292964 652952 3.99 184328 6377928 1169644 6.71 1595512 5501604 36824 Average: 8974207 13853527 2098003 12.81 161628 4787589 2287265 13.13 1011899 5934871 56545 14:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:01 lo 1505.58 1505.58 1430.28 1430.28 0.00 0.00 0.00 0.00 14:30:01 ens3 203.30 147.65 1633.62 22.21 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 14:40:11 lo 1308.16 1308.16 1247.66 1247.66 0.00 0.00 0.00 0.00 14:40:11 ens3 22.88 20.43 21.39 6.38 0.00 0.00 0.00 0.00 14:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:11 lo 756.60 756.60 7225.85 7225.85 0.00 0.00 0.00 0.00 14:50:11 ens3 42.18 34.59 117.38 34.21 0.00 0.00 0.00 0.00 14:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1190.74 1190.74 3290.00 3290.00 0.00 0.00 0.00 0.00 Average: ens3 89.07 67.29 587.54 20.85 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-66150) 10/21/26 _x86_64_ (4 CPU) 14:19:28 LINUX RESTART (4 CPU) 14:20:01 CPU %user %nice %system %iowait %steal %idle 14:30:01 all 58.96 0.00 2.97 0.48 0.03 37.55 14:30:01 0 60.69 0.00 3.04 0.56 0.03 35.69 14:30:01 1 57.46 0.00 2.62 0.69 0.03 39.20 14:30:01 2 60.50 0.00 3.09 0.43 0.03 35.95 14:30:01 3 57.21 0.00 3.14 0.25 0.03 39.37 14:40:11 all 65.11 0.00 2.54 0.31 0.04 32.00 14:40:11 0 64.15 0.00 2.85 0.46 0.04 32.51 14:40:11 1 63.19 0.00 2.35 0.33 0.04 34.08 14:40:11 2 67.83 0.00 2.63 0.28 0.05 29.21 14:40:11 3 65.26 0.00 2.34 0.16 0.04 32.20 14:50:11 all 42.36 0.00 1.85 0.29 0.05 55.45 14:50:11 0 42.79 0.00 1.63 0.32 0.05 55.21 14:50:11 1 36.01 0.00 1.79 0.29 0.05 61.87 14:50:11 2 44.49 0.00 1.76 0.24 0.05 53.47 14:50:11 3 46.16 0.00 2.25 0.30 0.04 51.25 Average: all 55.52 0.00 2.46 0.36 0.04 41.62 Average: 0 55.91 0.00 2.51 0.44 0.04 41.10 Average: 1 52.28 0.00 2.25 0.44 0.04 45.00 Average: 2 57.66 0.00 2.50 0.31 0.04 39.49 Average: 3 56.26 0.00 2.57 0.24 0.04 40.89