---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-34026 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: 5599.86 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 733 8720 3 6535 14913 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:8c:e7:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79923sec preferred_lft 79923sec inet6 fe80::f816:3eff:fe8c:e71c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:00:5e:e0:07:e9 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::8800:5eff:fee0:7e9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-34026) 07/08/26 _x86_64_ (4 CPU) 14:51:30 LINUX RESTART (4 CPU) 15:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:18 25.46 1.25 22.80 1.41 82.68 2596.58 1743.87 15:20:01 15.44 0.90 13.87 0.67 8.68 367.39 2416.36 15:30:19 46.28 19.04 25.84 1.40 160.03 1917.70 1852.66 15:40:20 42.49 18.60 22.55 1.34 150.15 1576.86 507.74 15:50:01 8.02 0.00 7.66 0.36 0.00 199.52 272.50 16:00:20 4.89 0.00 4.69 0.21 0.00 143.10 452.81 16:10:20 5.70 0.00 5.53 0.17 0.01 155.08 73.56 16:20:01 22.41 0.07 5.68 16.66 1.17 163.67 217358.37 16:30:20 9.07 0.00 8.65 0.42 0.03 541.85 112.69 Average: 20.02 4.49 13.07 2.46 45.26 857.80 24180.55 15:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:18 1585136 6516756 9411032 57.48 252036 4561336 10263224 58.91 2202028 11906276 260 15:20:01 1087880 5972368 9955804 60.81 253896 4513408 11174532 64.14 2252600 12353736 68 15:30:19 3951456 9290720 6637588 40.54 268008 4940540 7258728 41.67 2443348 9274308 208 15:40:20 3229296 8941820 6985724 42.67 278336 5294908 7730908 44.38 2592212 9847780 396 15:50:01 5577448 11309952 4619716 28.22 279216 5313900 5431000 31.17 2595432 7501000 288 16:00:20 4078356 9830328 6098620 37.25 279764 5332836 6813456 39.11 2597608 9001216 172 16:10:20 4020336 9791576 6137504 37.49 280324 5351528 6932776 39.79 2600980 9051524 116 16:20:01 5549736 11347164 4582804 27.99 281660 5376328 5377540 30.87 2608616 7520072 336 16:30:20 5225468 11149344 4779876 29.19 285632 5493124 5380380 30.88 2622564 7825948 160 Average: 3811679 9350003 6578741 40.18 273208 5130879 7373616 42.32 2501710 9364651 223 15:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:18 lo 16.35 16.35 9.79 9.79 0.00 0.00 0.00 0.00 15:10:18 ens3 1.07 0.94 0.31 0.26 0.00 0.00 0.00 0.00 15:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 34.02 34.02 14.28 14.28 0.00 0.00 0.00 0.00 15:20:01 ens3 0.92 0.83 0.18 0.16 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:19 lo 22.95 22.95 15.97 15.97 0.00 0.00 0.00 0.00 15:30:19 ens3 1.57 1.44 0.45 0.37 0.00 0.00 0.00 0.00 15:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:20 lo 29.39 29.39 15.61 15.61 0.00 0.00 0.00 0.00 15:40:20 ens3 1.36 1.34 0.34 0.30 0.00 0.00 0.00 0.00 15:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 26.49 26.49 10.83 10.83 0.00 0.00 0.00 0.00 15:50:01 ens3 1.07 1.16 0.24 1.16 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:20 lo 27.02 27.02 11.52 11.52 0.00 0.00 0.00 0.00 16:00:20 ens3 0.64 0.54 0.17 0.14 0.00 0.00 0.00 0.00 16:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:20 lo 12.66 12.66 7.52 7.52 0.00 0.00 0.00 0.00 16:10:20 ens3 0.51 0.40 0.11 0.08 0.00 0.00 0.00 0.00 16:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 10.92 10.92 6.16 6.16 0.00 0.00 0.00 0.00 16:20:01 ens3 0.54 0.40 0.12 0.09 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:20 lo 20.67 20.67 9.97 9.97 0.00 0.00 0.00 0.00 16:30:20 ens3 0.99 0.99 0.30 0.24 0.00 0.00 0.00 0.00 16:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.28 22.28 11.32 11.32 0.00 0.00 0.00 0.00 Average: ens3 0.97 0.90 0.25 0.31 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-34026) 07/08/26 _x86_64_ (4 CPU) 14:51:30 LINUX RESTART (4 CPU) 15:00:17 CPU %user %nice %system %iowait %steal %idle 15:10:18 all 30.52 0.00 1.21 0.06 0.10 68.11 15:10:18 0 30.87 0.00 1.14 0.04 0.09 67.86 15:10:18 1 28.95 0.00 1.30 0.10 0.10 69.55 15:10:18 2 31.55 0.00 1.34 0.04 0.11 66.96 15:10:18 3 30.71 0.00 1.05 0.06 0.10 68.08 15:20:01 all 29.95 0.00 1.02 0.03 0.11 68.89 15:20:01 0 29.67 0.00 0.97 0.07 0.10 69.18 15:20:01 1 30.08 0.00 0.99 0.02 0.10 68.80 15:20:01 2 30.10 0.00 1.04 0.03 0.10 68.73 15:20:01 3 29.95 0.00 1.09 0.02 0.11 68.83 15:30:19 all 40.80 0.00 1.37 0.06 0.10 57.66 15:30:19 0 40.26 0.00 1.27 0.05 0.10 58.32 15:30:19 1 41.33 0.00 1.39 0.04 0.10 57.14 15:30:19 2 41.01 0.00 1.39 0.11 0.10 57.40 15:30:19 3 40.61 0.00 1.43 0.06 0.10 57.80 15:40:20 all 37.77 0.00 1.19 0.07 0.10 60.85 15:40:20 0 38.24 0.00 1.23 0.05 0.10 60.39 15:40:20 1 37.27 0.00 1.24 0.10 0.10 61.29 15:40:20 2 37.31 0.00 1.11 0.11 0.10 61.37 15:40:20 3 38.28 0.00 1.20 0.04 0.10 60.38 15:50:01 all 12.45 0.00 0.50 0.02 0.09 86.93 15:50:01 0 12.60 0.00 0.47 0.06 0.09 86.79 15:50:01 1 12.47 0.00 0.62 0.02 0.10 86.80 15:50:01 2 12.42 0.00 0.51 0.01 0.09 86.97 15:50:01 3 12.32 0.00 0.42 0.01 0.09 87.17 16:00:20 all 10.22 0.00 0.51 0.02 0.08 89.17 16:00:20 0 10.00 0.00 0.46 0.02 0.08 89.45 16:00:20 1 10.49 0.00 0.58 0.02 0.09 88.82 16:00:20 2 10.53 0.00 0.58 0.03 0.09 88.78 16:00:20 3 9.87 0.00 0.41 0.00 0.08 89.64 16:10:20 all 9.39 0.00 0.39 0.02 0.09 90.11 16:10:20 0 9.33 0.00 0.39 0.02 0.09 90.17 16:10:20 1 9.64 0.00 0.38 0.01 0.09 89.89 16:10:20 2 9.39 0.00 0.44 0.04 0.09 90.05 16:10:20 3 9.21 0.00 0.37 0.01 0.08 90.33 16:20:01 all 7.25 0.00 0.35 0.39 0.09 91.92 16:20:01 0 7.08 0.00 0.31 0.38 0.08 92.15 16:20:01 1 7.12 0.00 0.31 0.49 0.09 92.00 16:20:01 2 7.65 0.00 0.42 0.35 0.09 91.49 16:20:01 3 7.14 0.00 0.35 0.36 0.08 92.05 16:30:20 all 13.96 0.00 0.51 0.03 0.09 85.41 16:30:20 0 14.37 0.00 0.46 0.01 0.08 85.07 16:30:20 1 14.15 0.00 0.52 0.06 0.09 85.19 16:30:20 2 13.75 0.00 0.50 0.03 0.09 85.63 16:30:20 3 13.58 0.00 0.57 0.03 0.08 85.74 Average: all 21.42 0.00 0.79 0.08 0.09 77.62 Average: 0 21.43 0.00 0.75 0.07 0.09 77.66 Average: 1 21.33 0.00 0.82 0.09 0.10 77.66 Average: 2 21.57 0.00 0.82 0.08 0.10 77.43 Average: 3 21.35 0.00 0.77 0.06 0.09 77.73