---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54548 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 716 10959 3 4313 14930 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:37:82:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79724sec preferred_lft 79724sec inet6 fe80::f816:3eff:fe37:8221/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:f6:35:12:d0:1f 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 inet6 fe80::6cf6:35ff:fe12:d01f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-54548) 03/31/26 _x86_64_ (4 CPU) 10:33:27 LINUX RESTART (4 CPU) 10:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 73.40 1.70 68.07 3.63 102.78 27319.35 11127.93 11:00:13 57.97 22.25 33.99 1.74 269.02 1764.77 2091.29 11:10:07 13.83 0.16 12.93 0.74 6.22 640.07 618.06 11:20:01 15.96 0.02 15.30 0.63 0.63 424.00 283.41 11:30:13 4.70 0.00 4.56 0.13 0.27 107.16 55.63 11:40:13 4.79 0.00 4.65 0.14 0.16 119.63 51.83 11:50:01 5.75 0.02 5.56 0.17 1.17 149.41 59.22 12:00:13 5.84 0.01 5.65 0.17 0.72 150.07 58.66 12:10:13 27.82 0.08 11.15 16.59 4.59 637.12 211925.87 12:20:00 5.28 0.02 5.08 0.17 0.65 164.68 64.94 Average: 21.52 2.47 16.63 2.41 39.04 3100.01 22663.50 10:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 166124 8748448 7172112 43.80 260160 8096032 9281232 53.27 2168724 13237956 2940 11:00:13 9211156 12494636 3441788 21.02 270384 2997296 5023292 28.83 2132076 4477724 9212 11:10:07 11900832 15296788 642048 3.92 275452 3104432 1376948 7.90 2173312 1734672 6428 11:20:01 7961080 11399588 4537584 27.71 278112 3144340 5319748 30.54 2179092 5672520 256 11:30:13 7812596 11262252 4674808 28.55 278844 3154756 5423720 31.13 2180188 5824864 180 11:40:13 7922760 11386084 4550892 27.79 279468 3167828 5336560 30.63 2181212 5714896 300 11:50:01 6423024 9903084 6032976 36.85 280072 3183948 6806012 39.07 2183488 7204640 320 12:00:13 6336772 9834444 6101564 37.27 280608 3201032 6870408 39.44 2186976 7281812 204 12:10:13 7624416 11265488 4671772 28.53 285380 3336808 5396104 30.97 2208680 5983680 456 12:20:00 6793044 10458652 5478152 33.46 286052 3360596 6119908 35.13 2220748 6791812 408 Average: 7215180 11204946 4730370 28.89 277453 3674707 5695393 32.69 2181450 6392458 2070 10:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 3.78 3.78 5.10 5.10 0.00 0.00 0.00 0.00 10:50:01 ens3 37.77 27.50 658.33 3.03 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:13 lo 45.20 45.20 24.43 24.43 0.00 0.00 0.00 0.00 11:00:13 ens3 2.28 2.26 0.51 0.46 0.00 0.00 0.00 0.00 11:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:07 lo 33.13 33.13 13.25 13.25 0.00 0.00 0.00 0.00 11:10:07 ens3 2.80 1.73 0.57 1.50 0.00 0.00 0.00 0.00 11:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 17.05 17.05 8.44 8.44 0.00 0.00 0.00 0.00 11:20:01 ens3 1.03 0.84 0.23 0.17 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:13 lo 11.29 11.29 6.29 6.29 0.00 0.00 0.00 0.00 11:30:13 ens3 0.63 0.41 0.12 0.08 0.00 0.00 0.00 0.00 11:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:13 lo 19.23 19.23 6.64 6.64 0.00 0.00 0.00 0.00 11:40:13 ens3 0.97 0.35 0.19 0.10 0.00 0.00 0.00 0.00 11:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 24.81 24.81 11.35 11.35 0.00 0.00 0.00 0.00 11:50:01 ens3 0.91 0.55 0.21 0.14 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:13 lo 17.40 17.40 10.30 10.30 0.00 0.00 0.00 0.00 12:00:13 ens3 0.85 0.54 0.21 0.15 0.00 0.00 0.00 0.00 12:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:13 lo 12.87 12.87 7.74 7.74 0.00 0.00 0.00 0.00 12:10:13 ens3 1.40 0.84 0.36 0.26 0.00 0.00 0.00 0.00 12:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:00 lo 30.80 30.80 12.09 12.09 0.00 0.00 0.00 0.00 12:20:00 ens3 0.99 0.66 0.23 0.17 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.58 21.58 10.59 10.59 0.00 0.00 0.00 0.00 Average: ens3 4.90 3.52 64.87 0.60 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-54548) 03/31/26 _x86_64_ (4 CPU) 10:33:27 LINUX RESTART (4 CPU) 10:40:13 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 34.07 0.00 1.63 17.29 0.09 46.92 10:50:01 0 32.82 0.00 1.54 18.99 0.09 46.56 10:50:01 1 36.73 0.00 1.93 15.39 0.10 45.85 10:50:01 2 33.01 0.00 1.59 18.77 0.09 46.54 10:50:01 3 33.72 0.00 1.46 16.00 0.09 48.73 11:00:13 all 62.16 0.00 2.37 0.11 0.14 35.22 11:00:13 0 63.34 0.00 2.31 0.08 0.14 34.13 11:00:13 1 61.83 0.00 2.27 0.07 0.14 35.69 11:00:13 2 60.96 0.00 2.45 0.17 0.14 36.28 11:00:13 3 62.53 0.00 2.45 0.11 0.14 34.77 11:10:07 all 26.40 0.00 1.24 0.07 0.10 72.19 11:10:07 0 26.04 0.00 1.15 0.13 0.10 72.59 11:10:07 1 25.87 0.00 1.27 0.05 0.10 72.71 11:10:07 2 27.07 0.00 1.28 0.08 0.10 71.47 11:10:07 3 26.63 0.00 1.24 0.02 0.10 72.01 11:20:01 all 25.96 0.00 0.85 0.19 0.08 72.92 11:20:01 0 25.68 0.00 0.84 0.13 0.08 73.27 11:20:01 1 25.88 0.00 0.90 0.12 0.09 73.02 11:20:01 2 25.78 0.00 0.87 0.14 0.08 73.13 11:20:01 3 26.51 0.00 0.81 0.35 0.08 72.25 11:30:13 all 7.90 0.00 0.36 0.03 0.06 91.65 11:30:13 0 8.12 0.00 0.39 0.02 0.06 91.41 11:30:13 1 7.43 0.00 0.38 0.03 0.06 92.10 11:30:13 2 7.95 0.00 0.29 0.02 0.07 91.67 11:30:13 3 8.09 0.00 0.37 0.04 0.06 91.44 11:40:13 all 7.91 0.00 0.42 0.02 0.06 91.59 11:40:13 0 7.61 0.00 0.42 0.02 0.05 91.89 11:40:13 1 8.37 0.00 0.47 0.02 0.06 91.08 11:40:13 2 7.73 0.00 0.43 0.02 0.07 91.75 11:40:13 3 7.95 0.00 0.36 0.01 0.06 91.62 11:50:01 all 10.54 0.00 0.41 0.02 0.07 88.97 11:50:01 0 10.51 0.00 0.43 0.03 0.06 88.96 11:50:01 1 10.95 0.00 0.39 0.02 0.07 88.57 11:50:01 2 10.58 0.00 0.49 0.02 0.07 88.84 11:50:01 3 10.10 0.00 0.34 0.01 0.06 89.50 12:00:13 all 9.88 0.00 0.40 0.02 0.07 89.62 12:00:13 0 10.04 0.00 0.36 0.02 0.07 89.51 12:00:13 1 9.61 0.00 0.47 0.01 0.08 89.83 12:00:13 2 9.87 0.00 0.46 0.01 0.07 89.59 12:00:13 3 10.02 0.00 0.32 0.04 0.06 89.56 12:10:13 all 19.44 0.00 0.76 0.06 0.08 79.66 12:10:13 0 18.83 0.00 0.71 0.13 0.08 80.25 12:10:13 1 19.38 0.00 0.77 0.03 0.09 79.74 12:10:13 2 19.72 0.00 0.79 0.02 0.08 79.39 12:10:13 3 19.83 0.00 0.78 0.06 0.07 79.27 12:20:00 all 11.38 0.00 0.56 0.02 0.08 87.97 12:20:00 0 11.57 0.00 0.54 0.03 0.08 87.78 12:20:00 1 11.56 0.00 0.57 0.01 0.08 87.78 12:20:00 2 11.50 0.00 0.53 0.01 0.07 87.89 12:20:00 3 10.88 0.00 0.59 0.03 0.07 88.43 Average: all 21.60 0.00 0.90 1.75 0.08 75.66 Average: 0 21.50 0.00 0.87 1.92 0.08 75.63 Average: 1 21.81 0.00 0.94 1.55 0.09 75.62 Average: 2 21.45 0.00 0.92 1.89 0.08 75.66 Average: 3 21.67 0.00 0.87 1.64 0.08 75.74