---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-15990 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 60G 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 693 11286 3 4009 14948 Swap: 1023 1 1022 ---> 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:30:ea:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78831sec preferred_lft 78831sec inet6 fe80::f816:3eff:fe30:ea0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:a0:ef:cd:e1:5e 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-15990) 02/19/26 _x86_64_ (4 CPU) 10:17:05 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:01 100.89 4.34 77.36 19.18 790.05 34049.25 241328.52 10:40:01 74.18 24.03 47.61 2.53 387.57 5154.79 3476.58 10:50:01 19.29 3.77 14.67 0.85 77.10 406.54 1712.32 11:00:01 7.41 0.05 6.97 0.38 3.98 262.13 1290.71 11:10:01 14.90 0.06 14.21 0.63 0.88 642.51 1115.01 11:20:01 15.07 0.04 14.24 0.79 3.01 480.95 466.07 11:30:01 2.22 0.04 2.13 0.04 1.49 50.97 17.55 11:40:01 7.95 0.01 7.56 0.38 1.19 232.40 139.48 11:50:01 5.99 0.00 5.83 0.15 0.32 164.53 73.55 12:00:01 2.90 0.00 2.90 0.00 0.00 43.91 0.01 12:10:01 9.70 0.01 9.23 0.45 0.65 543.95 107.00 12:20:01 7.51 0.03 7.15 0.33 1.52 279.35 164.45 Average: 22.33 2.70 17.49 2.14 105.64 3525.93 20824.24 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:01 3823648 14431168 1494748 9.13 236120 10166332 2195764 12.60 2070628 9736404 352 10:40:01 978828 4095752 11837664 72.30 259000 2889476 13114752 75.28 2215036 12647960 1192 10:50:01 4406860 7251588 8681136 53.02 261152 2639812 9382304 53.85 2182256 9262952 664 11:00:01 5940940 8808032 7127332 43.53 261988 2661364 7975904 45.78 2188316 7733700 524 11:10:01 11946312 14939236 999144 6.10 267036 2781444 1734816 9.96 2238732 1715968 10524 11:20:01 8470384 11526836 4409520 26.93 269756 2842200 5136816 29.49 2244956 5174108 624 11:30:01 11933508 15005844 932340 5.69 270040 2857800 1671972 9.60 2246152 1720800 14284 11:40:01 6984340 10078224 5857208 35.77 270728 2878628 6636804 38.10 2248440 6645932 96 11:50:01 6838104 9953224 5982212 36.54 271108 2899476 6701076 38.46 2251480 6781536 72 12:00:01 6633760 9750304 6184880 37.77 271348 2900664 6861912 39.39 2251748 6979004 80 12:10:01 8081744 11320380 4615544 28.19 275156 3014068 5287772 30.35 2260952 5538928 56 12:20:01 7261856 10549096 5386588 32.90 276116 3061564 6060908 34.79 2280028 6339408 268 Average: 6941690 10642474 5292360 32.32 265796 3466069 6063400 34.80 2223227 6689725 2395 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:01 lo 1.85 1.85 1.73 1.73 0.00 0.00 0.00 0.00 10:30:01 ens3 124.82 92.62 2025.12 9.64 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 20.41 20.41 15.62 15.62 0.00 0.00 0.00 0.00 10:40:01 ens3 2.15 1.77 0.65 0.53 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 45.57 45.57 18.87 18.87 0.00 0.00 0.00 0.00 10:50:01 ens3 2.16 1.23 0.44 0.30 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 11:00:01 lo 16.19 16.19 8.70 8.70 0.00 0.00 0.00 0.00 11:00:01 ens3 0.81 0.51 0.14 0.10 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 11.99 11.99 5.93 5.93 0.00 0.00 0.00 0.00 11:10:01 ens3 1.44 1.16 0.34 1.34 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 19.28 19.28 9.85 9.85 0.00 0.00 0.00 0.00 11:20:01 ens3 1.37 0.84 0.30 0.20 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 11:30:01 lo 10.95 10.95 5.19 5.19 0.00 0.00 0.00 0.00 11:30:01 ens3 0.75 0.51 0.18 0.13 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 29.38 29.38 11.66 11.66 0.00 0.00 0.00 0.00 11:40:01 ens3 1.07 0.54 0.31 0.21 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 19.30 19.30 10.13 10.13 0.00 0.00 0.00 0.00 11:50:01 ens3 0.73 0.53 0.15 0.11 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 12:00:01 lo 10.29 10.29 5.42 5.42 0.00 0.00 0.00 0.00 12:00:01 ens3 0.63 0.36 0.16 0.11 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 10.80 10.80 6.48 6.48 0.00 0.00 0.00 0.00 12:10:01 ens3 1.24 0.80 0.46 0.34 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 22.79 22.79 9.70 9.70 0.00 0.00 0.00 0.00 12:20:01 ens3 0.93 0.68 0.20 0.15 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.23 18.23 9.11 9.11 0.00 0.00 0.00 0.00 Average: ens3 11.51 8.46 169.04 1.10 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-15990) 02/19/26 _x86_64_ (4 CPU) 10:17:05 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:01 all 33.62 0.00 2.19 20.39 0.11 43.69 10:30:01 0 30.09 0.00 2.12 26.74 0.10 40.95 10:30:01 1 32.61 0.00 1.95 19.08 0.11 46.25 10:30:01 2 36.27 0.00 2.13 17.81 0.11 43.69 10:30:01 3 35.51 0.00 2.55 17.96 0.12 43.85 10:40:01 all 57.88 0.00 2.33 0.61 0.14 39.03 10:40:01 0 57.65 0.00 2.38 0.50 0.14 39.32 10:40:01 1 57.60 0.00 2.30 0.52 0.14 39.44 10:40:01 2 57.77 0.00 2.46 0.60 0.14 39.03 10:40:01 3 58.51 0.00 2.19 0.81 0.15 38.34 10:50:01 all 34.55 0.00 1.35 0.06 0.12 63.92 10:50:01 0 33.86 0.00 1.36 0.10 0.12 64.57 10:50:01 1 34.72 0.00 1.25 0.07 0.12 63.84 10:50:01 2 34.39 0.00 1.44 0.02 0.12 64.03 10:50:01 3 35.24 0.00 1.36 0.04 0.12 63.24 11:00:01 all 17.61 0.00 0.79 0.03 0.08 81.49 11:00:01 0 17.40 0.00 0.75 0.04 0.08 81.73 11:00:01 1 18.00 0.00 0.76 0.04 0.09 81.11 11:00:01 2 17.32 0.00 0.85 0.01 0.09 81.73 11:00:01 3 17.71 0.00 0.79 0.03 0.08 81.38 11:10:01 all 19.55 0.00 0.77 0.05 0.08 79.56 11:10:01 0 19.97 0.00 0.70 0.03 0.07 79.23 11:10:01 1 19.90 0.00 0.79 0.05 0.08 79.18 11:10:01 2 19.79 0.00 0.87 0.10 0.08 79.15 11:10:01 3 18.54 0.00 0.69 0.03 0.08 80.67 11:20:01 all 27.28 0.00 0.85 0.05 0.09 71.73 11:20:01 0 27.69 0.00 0.83 0.04 0.09 71.37 11:20:01 1 27.83 0.00 0.83 0.07 0.08 71.19 11:20:01 2 27.05 0.00 0.80 0.04 0.09 72.01 11:20:01 3 26.56 0.00 0.92 0.06 0.09 72.36 11:30:01 all 2.22 0.00 0.24 0.01 0.06 97.46 11:30:01 0 2.17 0.00 0.21 0.01 0.05 97.57 11:30:01 1 2.34 0.00 0.28 0.01 0.07 97.31 11:30:01 2 2.34 0.00 0.25 0.01 0.06 97.34 11:30:01 3 2.06 0.00 0.24 0.03 0.06 97.62 11:40:01 all 15.28 0.00 0.63 0.03 0.08 83.99 11:40:01 0 15.82 0.00 0.63 0.00 0.07 83.48 11:40:01 1 15.77 0.00 0.70 0.04 0.08 83.42 11:40:01 2 14.98 0.00 0.64 0.05 0.08 84.25 11:40:01 3 14.53 0.00 0.54 0.03 0.08 84.82 11:50:01 all 10.36 0.00 0.46 0.14 0.07 88.97 11:50:01 0 10.47 0.00 0.46 0.10 0.07 88.90 11:50:01 1 10.57 0.00 0.42 0.05 0.07 88.89 11:50:01 2 9.99 0.00 0.51 0.06 0.08 89.36 11:50:01 3 10.42 0.00 0.45 0.34 0.07 88.72 12:00:01 all 1.93 0.00 0.34 0.02 0.06 97.63 12:00:01 0 1.65 0.00 0.28 0.02 0.06 98.00 12:00:01 1 2.30 0.00 0.37 0.01 0.07 97.25 12:00:01 2 1.93 0.00 0.39 0.04 0.06 97.58 12:00:01 3 1.86 0.00 0.34 0.02 0.06 97.72 12:10:01 all 13.25 0.00 0.60 0.10 0.07 85.98 12:10:01 0 12.81 0.00 0.54 0.01 0.07 86.56 12:10:01 1 12.37 0.00 0.63 0.15 0.08 86.77 12:10:01 2 14.43 0.00 0.69 0.11 0.08 84.69 12:10:01 3 13.40 0.00 0.54 0.12 0.07 85.88 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:01 all 15.20 0.00 0.55 0.03 0.08 84.15 12:20:01 0 15.29 0.00 0.54 0.02 0.08 84.07 12:20:01 1 14.93 0.00 0.62 0.04 0.08 84.34 12:20:01 2 15.49 0.00 0.52 0.02 0.08 83.89 12:20:01 3 15.08 0.00 0.53 0.02 0.08 84.29 Average: all 20.71 0.00 0.92 1.79 0.09 76.49 Average: 0 20.39 0.00 0.90 2.29 0.08 76.34 Average: 1 20.72 0.00 0.91 1.67 0.09 76.61 Average: 2 20.96 0.00 0.96 1.57 0.09 76.42 Average: 3 20.77 0.00 0.93 1.62 0.09 76.59