---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-34658 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 nrip_save 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 18G 61G 23% / 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 687 11734 3 3567 14958 Swap: 1023 29 994 ---> 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:fe:a2:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80854sec preferred_lft 80854sec inet6 fe80::f816:3eff:fefe:a26e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:1c:f0:b1:e1:0a 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-34658) 01/13/26 _x86_64_ (4 CPU) 17:27:07 LINUX RESTART (4 CPU) 17:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:10 95.58 4.24 87.76 3.58 205.90 30910.20 11366.24 17:50:16 57.17 30.70 25.08 1.38 416.53 1660.63 1547.83 18:00:00 38.67 0.85 21.38 16.44 24.02 861.42 219317.56 18:10:33 8.42 0.10 7.88 0.44 3.60 194.40 137.53 18:20:04 5.27 0.16 4.90 0.21 3.01 131.19 48.31 18:30:01 8.80 0.39 8.01 0.39 6.37 249.03 206.89 18:40:33 2.81 0.08 2.73 0.00 1.52 45.38 0.00 18:50:33 11.61 0.50 10.57 0.54 12.89 622.97 368.43 Average: 28.51 4.64 21.06 2.81 84.52 4363.75 28199.84 17:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:10 1361720 5722992 10205832 62.33 250564 4002868 11852384 68.03 1965260 12370088 74632 17:50:16 6994320 9573224 6363788 38.87 250684 2364100 7085048 40.67 1734996 7110192 20488 18:00:00 11659224 14363896 1579316 9.65 258808 2481448 2887508 16.57 1790972 2433404 544 18:10:33 8635724 11362388 4579448 27.97 260808 2501448 5318480 30.53 1795248 5444428 240 18:20:04 12590604 15345004 598472 3.66 261692 2528324 1311684 7.53 1798736 1479432 13484 18:30:01 7271804 10043696 5897788 36.02 262832 2544676 6641016 38.12 1804220 6775512 68 18:40:33 6978812 9753140 6187796 37.79 263144 2546820 6864088 39.40 1805072 7078516 40 18:50:33 8429044 11337480 4604468 28.12 267352 2675636 5262864 30.21 1824224 5613772 220 Average: 7990156 10937728 5002114 30.55 259486 2705665 5902884 33.88 1814841 6038168 13714 17:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:10 lo 14.36 14.36 12.41 12.41 0.00 0.00 0.00 0.00 17:40:10 ens3 62.76 47.84 952.77 6.23 0.00 0.00 0.00 0.00 17:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:16 lo 43.13 43.13 20.15 20.15 0.00 0.00 0.00 0.00 17:50:16 ens3 1.51 1.43 0.32 0.29 0.00 0.00 0.00 0.00 17:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:00 lo 24.16 24.16 9.91 9.91 0.00 0.00 0.00 0.00 18:00:00 ens3 1.15 1.05 0.32 0.26 0.00 0.00 0.00 0.00 18:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:33 lo 19.31 19.31 10.25 10.25 0.00 0.00 0.00 0.00 18:10:33 ens3 0.64 0.58 0.14 0.12 0.00 0.00 0.00 0.00 18:10:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:04 lo 29.42 29.42 10.32 10.32 0.00 0.00 0.00 0.00 18:20:04 ens3 0.66 0.48 0.19 0.14 0.00 0.00 0.00 0.00 18:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 lo 19.15 19.15 10.89 10.89 0.00 0.00 0.00 0.00 18:30:01 ens3 0.80 0.63 0.21 0.16 0.00 0.00 0.00 0.00 18:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:33 lo 14.73 14.73 7.83 7.83 0.00 0.00 0.00 0.00 18:40:33 ens3 0.56 0.49 0.16 0.12 0.00 0.00 0.00 0.00 18:40:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:33 lo 17.52 17.52 9.71 9.71 0.00 0.00 0.00 0.00 18:50:33 ens3 0.95 0.83 0.27 0.22 0.00 0.00 0.00 0.00 18:50:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.61 22.61 11.43 11.43 0.00 0.00 0.00 0.00 Average: ens3 8.69 6.72 120.30 0.95 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-34658) 01/13/26 _x86_64_ (4 CPU) 17:27:07 LINUX RESTART (4 CPU) 17:30:01 CPU %user %nice %system %iowait %steal %idle 17:40:10 all 55.07 0.00 2.45 0.48 0.10 41.91 17:40:10 0 54.31 0.00 2.37 0.50 0.10 42.73 17:40:10 1 57.34 0.00 2.61 0.18 0.09 39.77 17:40:10 2 54.61 0.00 2.52 0.86 0.10 41.91 17:40:10 3 54.00 0.00 2.30 0.37 0.11 43.22 17:50:16 all 42.09 0.00 1.67 0.17 0.10 55.96 17:50:16 0 41.64 0.00 1.61 0.15 0.11 56.49 17:50:16 1 42.26 0.00 1.54 0.18 0.10 55.91 17:50:16 2 41.76 0.00 1.75 0.18 0.11 56.19 17:50:16 3 42.70 0.00 1.78 0.19 0.10 55.23 18:00:00 all 31.47 0.00 1.19 0.11 0.09 67.15 18:00:00 0 31.56 0.00 1.12 0.12 0.09 67.12 18:00:00 1 30.05 0.00 1.21 0.17 0.09 68.48 18:00:00 2 32.60 0.00 1.20 0.12 0.09 65.99 18:00:00 3 31.66 0.00 1.22 0.03 0.09 67.00 18:10:33 all 14.49 0.00 0.59 0.03 0.08 84.81 18:10:33 0 14.32 0.00 0.54 0.03 0.07 85.04 18:10:33 1 14.15 0.00 0.63 0.02 0.08 85.12 18:10:33 2 14.36 0.00 0.61 0.06 0.08 84.89 18:10:33 3 15.14 0.00 0.58 0.01 0.08 84.19 18:20:04 all 8.62 0.00 0.51 0.02 0.08 90.77 18:20:04 0 8.07 0.00 0.46 0.05 0.08 91.35 18:20:04 1 8.76 0.00 0.56 0.00 0.08 90.60 18:20:04 2 9.05 0.00 0.47 0.02 0.08 90.38 18:20:04 3 8.61 0.00 0.56 0.01 0.08 90.74 18:30:01 all 15.79 0.00 0.54 0.03 0.08 83.55 18:30:01 0 15.19 0.00 0.58 0.01 0.08 84.14 18:30:01 1 16.28 0.00 0.54 0.04 0.08 83.06 18:30:01 2 15.63 0.00 0.57 0.06 0.09 83.65 18:30:01 3 16.05 0.00 0.48 0.02 0.08 83.37 18:40:33 all 2.52 0.00 0.20 0.01 0.08 97.18 18:40:33 0 2.51 0.00 0.17 0.01 0.07 97.23 18:40:33 1 2.59 0.00 0.22 0.03 0.08 97.09 18:40:33 2 2.45 0.00 0.20 0.01 0.08 97.25 18:40:33 3 2.54 0.00 0.22 0.00 0.08 97.16 18:50:33 all 18.47 0.00 0.69 0.04 0.09 80.72 18:50:33 0 18.61 0.00 0.70 0.04 0.08 80.57 18:50:33 1 18.10 0.00 0.80 0.09 0.09 80.92 18:50:33 2 18.17 0.00 0.61 0.04 0.09 81.10 18:50:33 3 18.98 0.00 0.65 0.01 0.09 80.27 Average: all 23.51 0.00 0.98 0.11 0.09 75.31 Average: 0 23.21 0.00 0.94 0.11 0.09 75.65 Average: 1 23.64 0.00 1.01 0.09 0.09 75.18 Average: 2 23.51 0.00 0.99 0.17 0.09 75.24 Average: 3 23.66 0.00 0.97 0.08 0.09 75.20