---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-32638 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: 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 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 616 12590 3 2782 15029 Swap: 1023 121 902 ---> 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:40:2f:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79564sec preferred_lft 79564sec inet6 fe80::f816:3eff:fe40:2f86/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:35:b0:d3:48:ba 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::d835:b0ff:fed3:48ba/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-32638) 07/03/26 _x86_64_ (4 CPU) 12:40:49 LINUX RESTART (4 CPU) 12:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:09 60.80 15.64 42.67 2.48 362.37 4751.68 3721.34 13:10:09 32.45 8.73 22.35 1.37 774.57 1589.37 692.78 13:20:01 9.80 0.52 8.81 0.47 22.30 556.49 430.00 13:30:09 25.26 6.58 18.02 0.67 93.17 507.68 548.42 13:40:09 25.38 0.43 9.19 15.76 15.34 305.37 211855.39 13:50:01 4.76 0.33 4.25 0.19 7.74 135.92 54.38 14:00:00 6.08 0.33 5.56 0.19 10.22 195.64 85.12 14:10:06 5.56 0.12 5.23 0.21 7.25 135.50 116.94 14:20:01 12.05 0.92 10.70 0.42 28.01 587.73 119.71 14:30:09 6.87 0.32 6.29 0.27 9.08 275.91 248.42 Average: 18.97 3.42 13.36 2.20 133.38 909.00 21763.68 12:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:09 2547960 3480808 12463596 76.12 180068 929620 13477628 77.36 870864 12562288 168 13:10:09 5048368 6508540 9438956 57.65 197624 1437496 10691176 61.37 1016896 9919372 568 13:20:01 10728724 12300612 3650788 22.30 201724 1539936 4558900 26.17 1056984 4230672 232 13:30:09 12081568 13727096 2225384 13.59 205056 1610124 3090036 17.74 1096616 2833524 148 13:40:09 9675632 11369132 4581952 27.98 207264 1655840 5382288 30.89 1108988 5225644 340 13:50:01 9711668 11424992 4526120 27.64 207760 1675160 5292332 30.38 1112444 5192800 328 14:00:00 13667424 15423080 530152 3.24 208580 1716652 1701088 9.76 1120212 1236268 12076 14:10:06 13656640 15438344 514476 3.14 209464 1741812 1360096 7.81 1124976 1228128 22296 14:20:01 9480276 11376044 4575028 27.94 213864 1845992 5397136 30.98 1138456 5385700 268 14:30:09 9450456 11398572 4552684 27.81 214684 1897472 5719584 32.83 1159844 5390212 328 Average: 9604872 11244722 4705914 28.74 204609 1605010 5667026 32.53 1080628 5320461 3675 12:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:09 lo 31.41 31.41 22.44 22.44 0.00 0.00 0.00 0.00 13:00:09 ens3 2.02 1.78 0.57 0.49 0.00 0.00 0.00 0.00 13:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:09 lo 49.26 49.26 21.28 21.28 0.00 0.00 0.00 0.00 13:10:09 ens3 1.81 1.76 0.44 0.38 0.00 0.00 0.00 0.00 13:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 12.98 12.98 6.59 6.59 0.00 0.00 0.00 0.00 13:20:01 ens3 0.76 0.59 0.22 0.17 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:09 lo 8.84 8.84 4.31 4.31 0.00 0.00 0.00 0.00 13:30:09 ens3 1.34 1.83 0.17 1.34 0.00 0.00 0.00 0.00 13:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:09 lo 18.63 18.63 9.88 9.88 0.00 0.00 0.00 0.00 13:40:09 ens3 0.88 0.71 0.20 0.15 0.00 0.00 0.00 0.00 13:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 24.81 24.81 9.18 9.18 0.00 0.00 0.00 0.00 13:50:01 ens3 0.62 0.54 0.12 0.10 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:00 lo 24.39 24.39 11.11 11.11 0.00 0.00 0.00 0.00 14:00:00 ens3 0.76 0.56 0.19 0.14 0.00 0.00 0.00 0.00 14:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:06 lo 17.69 17.69 10.37 10.37 0.00 0.00 0.00 0.00 14:10:06 ens3 0.59 0.49 0.13 0.10 0.00 0.00 0.00 0.00 14:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 11.01 11.01 6.56 6.56 0.00 0.00 0.00 0.00 14:20:01 ens3 0.76 0.60 0.21 0.16 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:09 lo 16.79 16.79 6.81 6.81 0.00 0.00 0.00 0.00 14:30:09 ens3 0.67 0.55 0.14 0.11 0.00 0.00 0.00 0.00 14:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.58 21.58 10.87 10.87 0.00 0.00 0.00 0.00 Average: ens3 1.02 0.94 0.24 0.32 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-32638) 07/03/26 _x86_64_ (4 CPU) 12:40:49 LINUX RESTART (4 CPU) 12:50:01 CPU %user %nice %system %iowait %steal %idle 13:00:09 all 61.18 0.00 2.29 0.15 0.12 36.26 13:00:09 0 61.71 0.00 2.22 0.16 0.12 35.79 13:00:09 1 61.92 0.00 2.32 0.20 0.12 35.44 13:00:09 2 60.18 0.00 2.52 0.12 0.12 37.06 13:00:09 3 60.92 0.00 2.10 0.11 0.12 36.76 13:10:09 all 40.44 0.00 1.64 0.16 0.10 57.66 13:10:09 0 40.31 0.00 1.56 0.18 0.10 57.85 13:10:09 1 40.34 0.00 1.62 0.09 0.10 57.86 13:10:09 2 41.00 0.00 1.67 0.20 0.10 57.04 13:10:09 3 40.12 0.00 1.71 0.19 0.10 57.88 13:20:01 all 16.13 0.00 0.68 0.16 0.07 82.95 13:20:01 0 16.04 0.00 0.59 0.28 0.07 83.02 13:20:01 1 16.33 0.00 0.80 0.04 0.07 82.75 13:20:01 2 16.06 0.00 0.76 0.23 0.07 82.88 13:20:01 3 16.10 0.00 0.58 0.10 0.07 83.15 13:30:09 all 23.97 0.00 0.83 0.13 0.07 75.00 13:30:09 0 24.09 0.00 0.81 0.15 0.07 74.88 13:30:09 1 24.27 0.00 0.97 0.08 0.08 74.60 13:30:09 2 23.46 0.00 0.79 0.23 0.08 75.45 13:30:09 3 24.06 0.00 0.74 0.06 0.07 75.07 13:40:09 all 18.68 0.00 0.58 0.07 0.08 80.59 13:40:09 0 19.01 0.00 0.51 0.04 0.09 80.36 13:40:09 1 18.14 0.00 0.62 0.13 0.07 81.05 13:40:09 2 19.37 0.00 0.65 0.08 0.08 79.82 13:40:09 3 18.21 0.00 0.54 0.03 0.07 81.14 13:50:01 all 9.04 0.00 0.43 0.03 0.06 90.44 13:50:01 0 8.90 0.00 0.48 0.03 0.06 90.54 13:50:01 1 9.54 0.00 0.46 0.01 0.06 89.93 13:50:01 2 9.02 0.00 0.41 0.08 0.06 90.43 13:50:01 3 8.70 0.00 0.36 0.02 0.05 90.87 14:00:00 all 11.03 0.00 0.56 0.03 0.08 88.30 14:00:00 0 11.18 0.00 0.42 0.01 0.07 88.32 14:00:00 1 11.06 0.00 0.70 0.05 0.07 88.11 14:00:00 2 11.31 0.00 0.56 0.03 0.07 88.03 14:00:00 3 10.57 0.00 0.58 0.02 0.10 88.74 14:10:06 all 10.39 0.00 0.44 0.18 0.06 88.93 14:10:06 0 10.52 0.00 0.45 0.39 0.05 88.58 14:10:06 1 10.23 0.00 0.45 0.04 0.06 89.22 14:10:06 2 10.56 0.00 0.44 0.25 0.06 88.68 14:10:06 3 10.25 0.00 0.41 0.05 0.06 89.23 14:20:01 all 14.20 0.00 0.56 0.05 0.06 85.12 14:20:01 0 13.88 0.00 0.62 0.06 0.06 85.37 14:20:01 1 13.96 0.00 0.51 0.02 0.06 85.45 14:20:01 2 14.16 0.00 0.49 0.10 0.06 85.18 14:20:01 3 14.80 0.00 0.60 0.04 0.07 84.48 14:30:09 all 13.35 0.00 0.58 0.04 0.06 85.98 14:30:09 0 13.32 0.00 0.57 0.00 0.06 86.05 14:30:09 1 13.58 0.00 0.50 0.06 0.06 85.80 14:30:09 2 12.57 0.00 0.58 0.05 0.06 86.74 14:30:09 3 13.93 0.00 0.66 0.02 0.06 85.33 Average: all 21.90 0.00 0.86 0.10 0.08 77.06 Average: 0 21.96 0.00 0.82 0.13 0.07 77.02 Average: 1 21.99 0.00 0.90 0.07 0.08 76.97 Average: 2 21.82 0.00 0.89 0.14 0.08 77.08 Average: 3 21.83 0.00 0.83 0.06 0.08 77.20