---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-26203 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 645 12430 4 2912 15000 Swap: 1023 61 962 ---> 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:36:68:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79454sec preferred_lft 79454sec inet6 fe80::f816:3eff:fe36:6811/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:46:0b:75:1e:cd 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::5446:bff:fe75:1ecd/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-26203) 06/09/26 _x86_64_ (4 CPU) 12:31:35 LINUX RESTART (4 CPU) 12:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:15 86.85 27.82 55.90 3.13 1162.78 5777.25 2440.44 13:00:01 19.76 2.05 16.90 0.81 56.05 428.61 479.24 13:10:15 27.73 0.41 11.75 15.57 19.13 610.31 204094.63 13:20:10 14.51 0.33 13.54 0.64 11.22 436.17 646.82 13:30:01 7.16 0.18 6.66 0.31 5.34 198.49 318.74 13:40:12 7.54 0.27 7.02 0.25 8.67 212.80 1258.58 13:50:15 3.77 0.15 3.46 0.17 5.81 66.02 815.38 14:00:01 7.87 0.37 7.13 0.37 12.19 259.41 370.57 14:10:15 5.16 0.18 4.82 0.15 4.88 155.03 50.89 14:20:15 10.60 1.01 9.23 0.36 32.31 602.03 321.00 Average: 19.10 3.27 13.62 2.21 131.74 874.53 21564.37 12:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:15 3993400 5537036 10407308 63.56 204464 1510964 11217744 64.39 1024236 10953612 76 13:00:01 5731892 7308336 8637636 52.76 206908 1541024 9388976 53.89 1066916 9183440 444 13:10:15 11549664 13252712 2697660 16.48 212348 1657088 3709128 21.29 1117320 3341748 5760 13:20:10 12086072 13850032 2100656 12.83 215288 1714896 2980676 17.11 1136368 2789684 256 13:30:01 9678100 11469472 4480084 27.36 216544 1741080 5336832 30.63 1140280 5185192 308 13:40:12 12618788 14441648 1509120 9.22 217256 1771784 2959596 16.99 1144800 2254164 616 13:50:15 9602500 11429952 4519216 27.60 217876 1775756 5313836 30.50 1147232 5234588 68 14:00:01 8200344 10068600 5880220 35.91 218920 1815520 6830840 39.21 1155828 6638980 288 14:10:15 9707896 11600744 4348808 26.56 219612 1839424 5242600 30.09 1159784 5130360 120 14:20:15 9334980 11371124 4578112 27.96 224160 1971952 5306484 30.46 1181532 5475544 84 Average: 9250364 11032966 4915882 30.02 215338 1733949 5828671 33.46 1127430 5618731 802 12:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:15 lo 33.63 33.63 24.78 24.78 0.00 0.00 0.00 0.00 12:50:15 ens3 2.58 2.49 0.68 1.28 0.00 0.00 0.00 0.00 12:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 46.91 46.91 19.10 19.10 0.00 0.00 0.00 0.00 13:00:01 ens3 2.25 1.62 0.58 0.65 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:15 lo 14.07 14.07 6.75 6.75 0.00 0.00 0.00 0.00 13:10:15 ens3 0.72 0.57 0.19 0.15 0.00 0.00 0.00 0.00 13:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:10 lo 8.77 8.77 4.39 4.39 0.00 0.00 0.00 0.00 13:20:10 ens3 0.66 0.61 0.13 0.11 0.00 0.00 0.00 0.00 13:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 12.57 12.57 5.92 5.92 0.00 0.00 0.00 0.00 13:30:01 ens3 0.71 0.60 0.18 0.14 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:12 lo 13.72 13.72 7.28 7.28 0.00 0.00 0.00 0.00 13:40:12 ens3 0.69 0.61 0.16 0.12 0.00 0.00 0.00 0.00 13:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:15 lo 24.14 24.14 8.14 8.14 0.00 0.00 0.00 0.00 13:50:15 ens3 0.42 0.30 0.08 0.06 0.00 0.00 0.00 0.00 13:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 19.51 19.51 11.15 11.15 0.00 0.00 0.00 0.00 14:00:01 ens3 0.85 0.67 0.20 0.16 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:15 lo 17.02 17.02 9.62 9.62 0.00 0.00 0.00 0.00 14:10:15 ens3 0.71 0.48 0.14 0.10 0.00 0.00 0.00 0.00 14:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:15 lo 20.37 20.37 9.78 9.78 0.00 0.00 0.00 0.00 14:20:15 ens3 1.39 0.88 0.38 0.28 0.00 0.00 0.00 0.00 14:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.00 21.00 10.66 10.66 0.00 0.00 0.00 0.00 Average: ens3 1.09 0.88 0.27 0.30 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-26203) 06/09/26 _x86_64_ (4 CPU) 12:31:35 LINUX RESTART (4 CPU) 12:40:15 CPU %user %nice %system %iowait %steal %idle 12:50:15 all 67.44 0.00 2.44 0.90 0.11 29.12 12:50:15 0 65.78 0.00 2.60 1.00 0.11 30.51 12:50:15 1 67.66 0.00 2.54 1.04 0.11 28.66 12:50:15 2 68.16 0.00 2.18 0.59 0.11 28.95 12:50:15 3 68.14 0.00 2.44 0.96 0.11 28.35 13:00:01 all 33.47 0.00 1.45 0.05 0.11 64.93 13:00:01 0 33.50 0.00 1.34 0.07 0.11 64.99 13:00:01 1 33.63 0.00 1.52 0.04 0.11 64.71 13:00:01 2 33.56 0.00 1.42 0.05 0.11 64.86 13:00:01 3 33.19 0.00 1.51 0.03 0.11 65.16 13:10:15 all 18.74 0.00 0.85 0.10 0.09 80.22 13:10:15 0 18.46 0.00 0.82 0.01 0.09 80.62 13:10:15 1 19.13 0.00 0.98 0.07 0.09 79.73 13:10:15 2 18.71 0.00 0.78 0.18 0.09 80.23 13:10:15 3 18.64 0.00 0.84 0.14 0.08 80.30 13:20:10 all 20.94 0.00 0.73 0.05 0.08 78.20 13:20:10 0 21.37 0.00 0.77 0.03 0.08 77.76 13:20:10 1 21.16 0.00 0.82 0.05 0.09 77.88 13:20:10 2 20.57 0.00 0.61 0.08 0.08 78.65 13:20:10 3 20.67 0.00 0.70 0.04 0.08 78.51 13:30:01 all 11.83 0.00 0.41 0.03 0.08 87.65 13:30:01 0 11.47 0.00 0.41 0.04 0.08 88.00 13:30:01 1 12.20 0.00 0.46 0.02 0.09 87.23 13:30:01 2 11.60 0.00 0.39 0.07 0.09 87.86 13:30:01 3 12.05 0.00 0.37 0.01 0.07 87.50 13:40:12 all 9.33 0.00 0.35 0.02 0.08 90.22 13:40:12 0 9.43 0.00 0.32 0.03 0.07 90.16 13:40:12 1 9.13 0.00 0.26 0.02 0.08 90.50 13:40:12 2 9.38 0.00 0.43 0.03 0.08 90.08 13:40:12 3 9.39 0.00 0.38 0.01 0.07 90.15 13:50:15 all 6.19 0.00 0.34 0.02 0.08 93.37 13:50:15 0 5.89 0.00 0.33 0.01 0.07 93.70 13:50:15 1 6.41 0.00 0.37 0.02 0.08 93.11 13:50:15 2 6.42 0.00 0.34 0.02 0.08 93.14 13:50:15 3 6.05 0.00 0.31 0.03 0.07 93.55 14:00:01 all 17.32 0.00 0.68 0.03 0.09 81.88 14:00:01 0 17.00 0.00 0.75 0.03 0.09 82.13 14:00:01 1 17.58 0.00 0.67 0.02 0.09 81.63 14:00:01 2 17.80 0.00 0.67 0.04 0.10 81.39 14:00:01 3 16.90 0.00 0.64 0.02 0.09 82.36 14:10:15 all 8.39 0.00 0.49 0.03 0.08 91.01 14:10:15 0 7.68 0.00 0.48 0.06 0.08 91.70 14:10:15 1 8.73 0.00 0.49 0.01 0.08 90.69 14:10:15 2 8.64 0.00 0.59 0.06 0.08 90.62 14:10:15 3 8.50 0.00 0.39 0.00 0.07 91.04 14:20:15 all 15.08 0.00 0.56 0.05 0.08 84.23 14:20:15 0 14.78 0.00 0.63 0.08 0.08 84.44 14:20:15 1 15.02 0.00 0.57 0.05 0.08 84.28 14:20:15 2 15.27 0.00 0.48 0.04 0.09 84.12 14:20:15 3 15.24 0.00 0.55 0.04 0.09 84.08 Average: all 20.80 0.00 0.83 0.13 0.09 78.16 Average: 0 20.46 0.00 0.84 0.13 0.09 78.48 Average: 1 21.00 0.00 0.87 0.13 0.09 77.91 Average: 2 20.94 0.00 0.79 0.12 0.09 78.07 Average: 3 20.81 0.00 0.81 0.13 0.08 78.17