---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-26442 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 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 708 12376 3 2903 14938 Swap: 1023 30 993 ---> 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:c1:43:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80034sec preferred_lft 80034sec inet6 fe80::f816:3eff:fec1:43d1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:f2:8c:c7:b5:a5 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::9cf2:8cff:fec7:b5a5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-26442) 06/10/26 _x86_64_ (4 CPU) 12:20:52 LINUX RESTART (4 CPU) 12:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:03 66.81 21.28 43.20 2.33 475.99 4381.50 2878.36 12:50:02 27.58 7.45 19.01 1.12 727.96 1452.24 1022.39 13:00:04 8.05 0.54 7.13 0.39 24.71 296.47 567.50 13:10:04 21.47 0.26 20.23 0.98 7.95 912.64 466.24 13:20:04 7.76 0.34 7.07 0.35 7.97 266.69 199.63 13:30:04 20.87 0.38 4.92 15.57 9.69 152.20 210898.95 13:40:04 7.92 0.34 7.21 0.36 12.33 268.21 150.92 13:50:04 5.13 0.26 4.69 0.18 8.85 165.44 113.53 14:00:04 9.88 0.96 8.54 0.38 28.32 598.45 201.87 Average: 19.49 3.53 13.55 2.41 144.69 943.45 24049.45 12:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:03 6224184 7289592 8653520 52.85 197340 1031800 9466448 54.34 934628 8813592 18736 12:50:02 9851120 11405232 4540268 27.73 208648 1507628 5338088 30.64 1083600 5051452 6260 13:00:04 7967176 9545844 6401660 39.10 209744 1531188 7185892 41.25 1094328 6922208 576 13:10:04 12318844 14076400 1873724 11.44 216216 1700052 2986228 17.14 1153216 2537312 13868 13:20:04 9479888 11269264 4679572 28.58 217460 1730592 5432180 31.18 1157984 5358908 428 13:30:04 9590248 11407596 4541024 27.73 220520 1755492 5274336 30.27 1168264 5234232 304 13:40:04 8219440 10079688 5868472 35.84 221404 1797504 6754852 38.77 1177180 6587108 344 13:50:04 9498596 11384984 4563952 27.87 222060 1822988 5372356 30.84 1182220 5321992 312 14:00:04 9221764 11253628 4695004 28.68 226320 1958136 5294752 30.39 1202812 5553416 540 Average: 9152362 10856914 5090800 31.09 215524 1648376 5900570 33.87 1128248 5708913 4596 12:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:03 lo 30.57 30.57 21.20 21.20 0.00 0.00 0.00 0.00 12:40:03 ens3 2.86 2.47 0.74 1.55 0.00 0.00 0.00 0.00 12:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:02 lo 49.67 49.67 21.12 21.12 0.00 0.00 0.00 0.00 12:50:02 ens3 1.67 1.56 0.43 0.38 0.00 0.00 0.00 0.00 12:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:04 lo 11.81 11.81 6.78 6.78 0.00 0.00 0.00 0.00 13:00:04 ens3 0.60 0.46 0.13 0.09 0.00 0.00 0.00 0.00 13:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:04 lo 12.40 12.40 6.33 6.33 0.00 0.00 0.00 0.00 13:10:04 ens3 1.09 0.94 0.29 0.24 0.00 0.00 0.00 0.00 13:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:04 lo 19.94 19.94 10.49 10.49 0.00 0.00 0.00 0.00 13:20:04 ens3 0.76 0.72 0.15 0.13 0.00 0.00 0.00 0.00 13:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:04 lo 28.46 28.46 10.07 10.07 0.00 0.00 0.00 0.00 13:30:04 ens3 0.51 0.38 0.11 0.08 0.00 0.00 0.00 0.00 13:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:04 lo 19.12 19.12 10.86 10.86 0.00 0.00 0.00 0.00 13:40:04 ens3 0.79 0.59 0.17 0.13 0.00 0.00 0.00 0.00 13:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:04 lo 17.25 17.25 9.83 9.83 0.00 0.00 0.00 0.00 13:50:04 ens3 0.61 0.48 0.13 0.10 0.00 0.00 0.00 0.00 13:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:04 lo 20.32 20.32 9.83 9.83 0.00 0.00 0.00 0.00 14:00:04 ens3 1.04 0.94 0.31 0.25 0.00 0.00 0.00 0.00 14:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.27 23.27 11.83 11.83 0.00 0.00 0.00 0.00 Average: ens3 1.10 0.95 0.27 0.33 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-26442) 06/10/26 _x86_64_ (4 CPU) 12:20:52 LINUX RESTART (4 CPU) 12:30:03 CPU %user %nice %system %iowait %steal %idle 12:40:03 all 60.39 0.00 2.31 0.15 0.12 37.04 12:40:03 0 61.27 0.00 2.22 0.19 0.11 36.21 12:40:03 1 61.07 0.00 2.24 0.15 0.12 36.42 12:40:03 2 59.95 0.00 2.08 0.08 0.12 37.78 12:40:03 3 59.26 0.00 2.69 0.18 0.12 37.76 12:50:02 all 34.78 0.00 1.41 0.11 0.11 63.59 12:50:02 0 34.43 0.00 1.48 0.11 0.10 63.88 12:50:02 1 35.15 0.00 1.38 0.05 0.11 63.31 12:50:02 2 35.08 0.00 1.42 0.08 0.11 63.30 12:50:02 3 34.46 0.00 1.37 0.20 0.11 63.87 13:00:04 all 16.94 0.00 0.68 0.03 0.08 82.26 13:00:04 0 17.36 0.00 0.58 0.01 0.08 81.96 13:00:04 1 16.76 0.00 0.80 0.04 0.08 82.31 13:00:04 2 16.48 0.00 0.73 0.05 0.09 82.65 13:00:04 3 17.17 0.00 0.62 0.02 0.08 82.12 13:10:04 all 31.48 0.00 0.99 0.07 0.09 67.37 13:10:04 0 30.92 0.00 0.91 0.03 0.09 68.06 13:10:04 1 32.23 0.00 1.20 0.03 0.09 66.45 13:10:04 2 30.95 0.00 0.95 0.12 0.09 67.90 13:10:04 3 31.80 0.00 0.93 0.11 0.09 67.08 13:20:04 all 15.90 0.00 0.50 0.05 0.08 83.47 13:20:04 0 15.89 0.00 0.38 0.10 0.07 83.56 13:20:04 1 15.72 0.00 0.61 0.03 0.08 83.56 13:20:04 2 16.18 0.00 0.51 0.02 0.08 83.20 13:20:04 3 15.79 0.00 0.50 0.07 0.08 83.57 13:30:04 all 8.62 0.00 0.44 0.04 0.08 90.82 13:30:04 0 8.99 0.00 0.46 0.04 0.07 90.43 13:30:04 1 8.75 0.00 0.51 0.02 0.07 90.64 13:30:04 2 8.27 0.00 0.42 0.01 0.08 91.21 13:30:04 3 8.45 0.00 0.38 0.09 0.07 91.01 13:40:04 all 17.23 0.00 0.70 0.03 0.08 81.97 13:40:04 0 16.34 0.00 0.53 0.02 0.07 83.04 13:40:04 1 17.15 0.00 0.76 0.06 0.08 81.95 13:40:04 2 17.97 0.00 0.76 0.03 0.09 81.15 13:40:04 3 17.45 0.00 0.73 0.02 0.08 81.72 13:50:04 all 8.60 0.00 0.48 0.02 0.08 90.83 13:50:04 0 8.30 0.00 0.43 0.02 0.07 91.17 13:50:04 1 8.95 0.00 0.51 0.03 0.08 90.42 13:50:04 2 8.70 0.00 0.47 0.03 0.08 90.72 13:50:04 3 8.43 0.00 0.48 0.01 0.08 91.00 14:00:04 all 15.13 0.00 0.57 0.05 0.08 84.16 14:00:04 0 14.58 0.00 0.64 0.05 0.11 84.62 14:00:04 1 15.27 0.00 0.60 0.05 0.08 84.00 14:00:04 2 16.03 0.00 0.56 0.10 0.08 83.23 14:00:04 3 14.63 0.00 0.49 0.02 0.07 84.79 Average: all 23.21 0.00 0.90 0.06 0.09 75.74 Average: 0 23.11 0.00 0.85 0.06 0.09 75.89 Average: 1 23.43 0.00 0.96 0.05 0.09 75.48 Average: 2 23.28 0.00 0.88 0.06 0.09 75.69 Average: 3 23.04 0.00 0.91 0.08 0.09 75.89