---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-63259 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: 5600.02 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 11G 68G 13% / 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 1177 10392 4 4418 14468 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:3e:07:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80896sec preferred_lft 80896sec inet6 fe80::f816:3eff:fe3e:7be/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:75:47:56:46:f3 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-63259) 10/10/26 _x86_64_ (4 CPU) 02:24:24 LINUX RESTART (4 CPU) 02:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:02 18.35 0.06 16.46 1.83 6.25 2383.15 3900.08 02:50:02 2.15 0.00 2.15 0.00 0.00 25.97 0.00 03:00:02 1.69 0.00 1.69 0.00 0.00 19.83 0.00 03:10:02 1.86 0.00 1.86 0.00 0.00 21.85 0.00 03:20:02 2.19 0.00 2.19 0.00 0.01 25.63 0.00 03:30:02 2.08 0.00 2.08 0.00 0.00 24.99 0.00 03:40:02 1.95 0.00 1.95 0.00 0.00 23.27 0.00 03:50:01 1.37 0.00 1.37 0.00 0.00 15.91 0.00 Average: 3.96 0.01 3.72 0.23 0.78 317.64 487.62 02:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:02 8305052 12454612 3499340 21.37 145128 4105796 3472388 19.93 743284 6910372 204 02:50:02 8302292 12452608 3501376 21.38 145932 4105808 3472996 19.93 744076 6910584 192 03:00:02 8299772 12450828 3503176 21.40 146492 4105944 3473256 19.94 744652 6910972 220 03:10:02 8298264 12450032 3503972 21.40 147188 4105952 3473320 19.94 745348 6911028 220 03:20:02 8295520 12448224 3505796 21.41 148024 4106092 3473448 19.94 746184 6911340 204 03:30:02 8293756 12447244 3506724 21.42 148776 4106104 3473576 19.94 746900 6911604 208 03:40:02 8285440 12439684 3514420 21.46 149492 4106112 3481384 19.98 747652 6918144 184 03:50:01 8282420 12436988 3517076 21.48 149808 4106120 3481384 19.98 747964 6918492 236 Average: 8295314 12447528 3506485 21.42 147605 4105991 3475219 19.95 745758 6912817 208 02:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:02 lo 930.01 930.01 881.00 881.00 0.00 0.00 0.00 0.00 02:40:02 ens3 35.57 26.98 41.53 9.53 0.00 0.00 0.00 0.00 02:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:02 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 02:50:02 ens3 0.72 0.22 0.21 0.13 0.00 0.00 0.00 0.00 02:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:02 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:00:02 ens3 0.32 0.08 0.03 0.02 0.00 0.00 0.00 0.00 03:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:02 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:10:02 ens3 0.34 0.12 0.07 0.04 0.00 0.00 0.00 0.00 03:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:02 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:20:02 ens3 0.33 0.08 0.05 0.02 0.00 0.00 0.00 0.00 03:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:02 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:30:02 ens3 0.54 0.26 0.14 0.41 0.00 0.00 0.00 0.00 03:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:02 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:40:02 ens3 0.35 0.12 0.07 0.05 0.00 0.00 0.00 0.00 03:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:50:01 ens3 0.33 0.12 0.08 0.04 0.00 0.00 0.00 0.00 03:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 116.45 116.45 110.16 110.16 0.00 0.00 0.00 0.00 Average: ens3 4.81 3.50 5.27 1.28 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-63259) 10/10/26 _x86_64_ (4 CPU) 02:24:24 LINUX RESTART (4 CPU) 02:30:02 CPU %user %nice %system %iowait %steal %idle 02:40:02 all 50.77 0.00 1.90 0.05 0.03 47.25 02:40:02 0 52.66 0.00 1.93 0.06 0.04 45.30 02:40:02 1 49.35 0.00 1.75 0.05 0.03 48.81 02:40:02 2 49.55 0.00 2.01 0.03 0.03 48.38 02:40:02 3 51.50 0.00 1.89 0.07 0.03 46.51 02:50:02 all 0.17 0.00 0.09 0.01 0.00 99.72 02:50:02 0 0.06 0.00 0.05 0.01 0.00 99.89 02:50:02 1 0.36 0.00 0.10 0.01 0.00 99.53 02:50:02 2 0.09 0.00 0.08 0.03 0.00 99.79 02:50:02 3 0.18 0.00 0.13 0.01 0.00 99.68 03:00:02 all 0.36 0.00 0.08 0.01 0.00 99.54 03:00:02 0 0.08 0.00 0.07 0.02 0.01 99.82 03:00:02 1 1.14 0.00 0.11 0.01 0.01 98.74 03:00:02 2 0.10 0.00 0.06 0.01 0.00 99.84 03:00:02 3 0.12 0.00 0.10 0.01 0.00 99.77 03:10:02 all 0.18 0.00 0.10 0.01 0.01 99.70 03:10:02 0 0.08 0.00 0.10 0.02 0.01 99.80 03:10:02 1 0.44 0.00 0.11 0.00 0.01 99.44 03:10:02 2 0.07 0.00 0.10 0.02 0.00 99.81 03:10:02 3 0.12 0.00 0.11 0.00 0.01 99.76 03:20:02 all 0.19 0.00 0.10 0.01 0.01 99.69 03:20:02 0 0.08 0.00 0.07 0.00 0.00 99.84 03:20:02 1 0.51 0.00 0.18 0.01 0.01 99.29 03:20:02 2 0.08 0.00 0.05 0.02 0.01 99.84 03:20:02 3 0.11 0.00 0.08 0.01 0.01 99.79 03:30:02 all 0.22 0.00 0.11 0.01 0.01 99.66 03:30:02 0 0.13 0.00 0.14 0.01 0.01 99.72 03:30:02 1 0.35 0.00 0.16 0.00 0.01 99.47 03:30:02 2 0.29 0.00 0.08 0.03 0.01 99.59 03:30:02 3 0.09 0.00 0.07 0.01 0.00 99.84 03:40:02 all 0.27 0.00 0.09 0.01 0.01 99.62 03:40:02 0 0.21 0.00 0.11 0.00 0.01 99.68 03:40:02 1 0.19 0.00 0.09 0.00 0.01 99.71 03:40:02 2 0.52 0.00 0.13 0.01 0.01 99.33 03:40:02 3 0.19 0.00 0.05 0.03 0.00 99.74 03:50:01 all 0.09 0.00 0.09 0.01 0.01 99.81 03:50:01 0 0.10 0.00 0.12 0.00 0.01 99.77 03:50:01 1 0.07 0.00 0.08 0.01 0.01 99.83 03:50:01 2 0.10 0.00 0.09 0.00 0.01 99.80 03:50:01 3 0.09 0.00 0.08 0.01 0.00 99.82 Average: all 6.53 0.00 0.32 0.02 0.01 93.12 Average: 0 6.68 0.00 0.32 0.01 0.01 92.97 Average: 1 6.55 0.00 0.32 0.01 0.01 93.10 Average: 2 6.35 0.00 0.33 0.02 0.01 93.30 Average: 3 6.54 0.00 0.31 0.02 0.01 93.12