---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-25808 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 24% / 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 664 12512 4 2812 14981 Swap: 1023 53 970 ---> 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:11:cf:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79996sec preferred_lft 79996sec inet6 fe80::f816:3eff:fe11:cfcc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:5c:7f:e4:a8:3a 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::e45c:7fff:fee4:a83a/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-25808) 06/08/26 _x86_64_ (4 CPU) 06:35:20 LINUX RESTART (4 CPU) 06:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:50:11 85.28 5.46 75.49 4.34 749.88 24395.74 24897.57 07:00:11 54.27 26.30 26.47 1.49 1136.26 1773.74 913.12 07:10:01 8.25 0.44 7.39 0.43 20.35 263.74 283.76 07:20:02 17.07 0.30 16.05 0.71 12.77 727.13 323.83 07:30:27 14.54 0.28 13.65 0.61 12.30 414.85 277.24 07:40:01 22.26 0.49 5.44 16.32 15.71 147.92 219713.17 07:50:13 5.25 0.32 4.75 0.17 10.35 142.99 181.03 08:00:13 6.04 0.45 5.39 0.20 18.15 158.60 92.33 08:10:01 11.10 0.60 10.01 0.48 21.63 623.48 261.90 08:20:05 6.49 0.16 6.09 0.24 3.39 269.81 78.34 Average: 23.12 3.49 17.20 2.44 201.11 2929.88 23770.36 06:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:11 165108 1191572 14749176 90.08 181380 1020264 17252752 99.03 883924 14914860 384 07:00:11 4503480 6003688 9951872 60.78 148188 1542856 11156020 64.04 1015488 10490664 364 07:10:01 8204680 9732848 6224316 38.02 149568 1569452 7074160 40.61 1026732 6776084 380 07:20:02 12465452 14139236 1820616 11.12 155832 1706144 2923096 16.78 1081568 2498476 11896 07:30:27 9638776 11366116 4592112 28.05 158452 1757068 5402988 31.01 1089540 5313388 276 07:40:01 9638608 11389928 4568148 27.90 159980 1779500 5359920 30.77 1100076 5294696 416 07:50:13 8195580 9967508 5989884 36.58 160504 1799592 6821648 39.16 1105376 6728656 272 08:00:13 8154076 9951152 6006144 36.68 161212 1824020 6818456 39.14 1114868 6764204 252 08:10:01 11533004 13490336 2465740 15.06 165852 1976476 3583344 20.57 1134896 3362640 23600 08:20:05 8507744 10495256 5459088 33.34 167108 2005376 6160556 35.36 1148436 6367708 276 Average: 8100651 9772764 6182710 37.76 160808 1698075 7255294 41.65 1070090 6851138 3812 06:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:11 lo 18.34 18.34 16.79 16.79 0.00 0.00 0.00 0.00 06:50:11 ens3 53.24 36.28 908.39 3.65 0.00 0.00 0.00 0.00 06:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:11 lo 49.96 49.96 22.88 22.88 0.00 0.00 0.00 0.00 07:00:11 ens3 2.04 1.98 0.48 0.43 0.00 0.00 0.00 0.00 07:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 lo 23.09 23.09 10.50 10.50 0.00 0.00 0.00 0.00 07:10:01 ens3 0.82 0.57 0.17 0.13 0.00 0.00 0.00 0.00 07:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:02 lo 10.13 10.13 4.92 4.92 0.00 0.00 0.00 0.00 07:20:02 ens3 1.01 0.82 0.27 0.21 0.00 0.00 0.00 0.00 07:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:27 lo 20.51 20.51 10.94 10.94 0.00 0.00 0.00 0.00 07:30:27 ens3 0.81 0.67 0.16 0.13 0.00 0.00 0.00 0.00 07:30:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 23.65 23.65 8.88 8.88 0.00 0.00 0.00 0.00 07:40:01 ens3 0.69 0.50 0.16 0.12 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:13 lo 18.72 18.72 8.50 8.50 0.00 0.00 0.00 0.00 07:50:13 ens3 0.56 0.37 0.13 0.09 0.00 0.00 0.00 0.00 07:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:13 lo 17.98 17.98 10.04 10.04 0.00 0.00 0.00 0.00 08:00:13 ens3 0.98 0.62 0.28 0.21 0.00 0.00 0.00 0.00 08:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 18.15 18.15 10.15 10.15 0.00 0.00 0.00 0.00 08:10:01 ens3 1.13 0.81 0.34 0.26 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:05 lo 29.37 29.37 12.23 12.23 0.00 0.00 0.00 0.00 08:20:05 ens3 0.88 0.65 0.19 0.15 0.00 0.00 0.00 0.00 08:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.97 22.97 11.60 11.60 0.00 0.00 0.00 0.00 Average: ens3 6.30 4.38 92.49 0.54 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-25808) 06/08/26 _x86_64_ (4 CPU) 06:35:20 LINUX RESTART (4 CPU) 06:40:01 CPU %user %nice %system %iowait %steal %idle 06:50:11 all 56.91 0.00 2.53 0.37 0.10 40.09 06:50:11 0 56.50 0.00 2.63 0.35 0.10 40.42 06:50:11 1 56.69 0.00 2.30 0.36 0.11 40.54 06:50:11 2 58.59 0.00 2.67 0.44 0.10 38.20 06:50:11 3 55.87 0.00 2.54 0.31 0.10 41.18 07:00:11 all 50.97 0.00 1.88 0.18 0.11 46.86 07:00:11 0 50.71 0.00 1.85 0.16 0.11 47.16 07:00:11 1 51.17 0.00 1.84 0.18 0.11 46.70 07:00:11 2 50.99 0.00 1.82 0.14 0.12 46.93 07:00:11 3 51.01 0.00 2.01 0.22 0.11 46.64 07:10:01 all 18.60 0.00 0.92 0.02 0.09 80.36 07:10:01 0 19.19 0.00 0.87 0.01 0.08 79.84 07:10:01 1 17.85 0.00 0.83 0.04 0.09 81.20 07:10:01 2 18.21 0.00 0.99 0.02 0.09 80.69 07:10:01 3 19.17 0.00 1.01 0.03 0.09 79.71 07:20:02 all 24.03 0.00 0.88 0.05 0.08 74.96 07:20:02 0 23.90 0.00 0.88 0.05 0.08 75.09 07:20:02 1 23.51 0.00 0.82 0.04 0.08 75.55 07:20:02 2 24.38 0.00 0.89 0.07 0.09 74.58 07:20:02 3 24.32 0.00 0.92 0.05 0.08 74.63 07:30:27 all 22.59 0.00 0.79 0.04 0.08 76.50 07:30:27 0 22.28 0.00 0.76 0.03 0.08 76.85 07:30:27 1 22.71 0.00 0.95 0.07 0.08 76.20 07:30:27 2 23.20 0.00 0.76 0.04 0.09 75.91 07:30:27 3 22.17 0.00 0.71 0.02 0.08 77.03 07:40:01 all 8.78 0.00 0.49 0.04 0.07 90.61 07:40:01 0 9.14 0.00 0.51 0.02 0.07 90.26 07:40:01 1 8.60 0.00 0.50 0.01 0.08 90.82 07:40:01 2 8.97 0.00 0.53 0.09 0.07 90.33 07:40:01 3 8.39 0.00 0.45 0.04 0.07 91.05 07:50:13 all 9.35 0.00 0.42 0.02 0.08 90.14 07:50:13 0 9.40 0.00 0.40 0.01 0.07 90.13 07:50:13 1 9.46 0.00 0.46 0.04 0.08 89.96 07:50:13 2 9.10 0.00 0.43 0.00 0.08 90.38 07:50:13 3 9.44 0.00 0.38 0.02 0.07 90.08 08:00:13 all 10.03 0.00 0.43 0.02 0.08 89.44 08:00:13 0 9.97 0.00 0.41 0.01 0.08 89.53 08:00:13 1 10.18 0.00 0.44 0.04 0.08 89.26 08:00:13 2 10.17 0.00 0.48 0.02 0.08 89.24 08:00:13 3 9.79 0.00 0.41 0.01 0.08 89.71 08:10:01 all 17.05 0.00 0.70 0.04 0.08 82.13 08:10:01 0 17.99 0.00 0.81 0.02 0.08 81.09 08:10:01 1 16.97 0.00 0.61 0.08 0.08 82.26 08:10:01 2 16.14 0.00 0.77 0.03 0.08 82.98 08:10:01 3 17.09 0.00 0.61 0.04 0.08 82.19 08:20:05 all 13.35 0.00 0.60 0.02 0.07 85.95 08:20:05 0 13.41 0.00 0.56 0.00 0.07 85.96 08:20:05 1 13.13 0.00 0.69 0.02 0.08 86.08 08:20:05 2 13.42 0.00 0.52 0.03 0.08 85.95 08:20:05 3 13.44 0.00 0.63 0.03 0.07 85.82 Average: all 23.25 0.00 0.97 0.08 0.09 75.61 Average: 0 23.33 0.00 0.97 0.07 0.08 75.55 Average: 1 23.12 0.00 0.95 0.09 0.09 75.76 Average: 2 23.40 0.00 0.99 0.09 0.09 75.43 Average: 3 23.15 0.00 0.97 0.08 0.08 75.72