---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-13234 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 731 10779 3 4478 14915 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:03:72:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79962sec preferred_lft 79962sec inet6 fe80::f816:3eff:fe03:72fc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:0e:f5:54:de:da 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::840e:f5ff:fe54:deda/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-13234) 05/13/26 _x86_64_ (4 CPU) 11:30:59 LINUX RESTART (4 CPU) 11:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:44 71.73 20.63 48.14 2.96 290.84 4812.17 3382.84 12:00:17 27.62 0.13 11.09 16.40 3.41 270.81 219764.37 12:10:01 7.45 0.13 6.92 0.40 8.20 240.30 1729.15 12:20:17 19.37 0.04 18.43 0.91 1.42 843.18 1477.46 12:30:19 9.61 0.01 9.19 0.41 0.65 285.76 370.37 12:40:01 4.75 0.02 4.55 0.18 0.93 137.13 52.59 12:50:16 6.83 0.02 6.57 0.24 1.48 175.74 130.64 13:00:44 6.82 0.01 6.55 0.25 0.28 244.34 70.92 13:10:01 9.91 0.02 9.46 0.43 0.79 615.98 312.90 Average: 18.67 2.50 13.76 2.40 36.51 882.65 24178.52 11:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:44 780796 4045252 11886384 72.60 265780 2985808 13190760 75.71 2119544 12895748 560 12:00:17 3963340 7250784 8683144 53.03 267344 3007080 9387708 53.89 2144128 9674784 88 12:10:01 6381104 9692988 6243056 38.13 268344 3030532 6961388 39.96 2152740 7276220 312 12:20:17 10275100 13742308 2196308 13.41 274660 3179564 2951276 16.94 2192776 3355496 220 12:30:19 7787348 11296528 4640720 28.34 275964 3220236 5288736 30.36 2195632 5835984 232 12:40:01 7858800 11387276 4549784 27.79 276416 3239076 5213636 29.93 2197036 5749628 296 12:50:16 9791012 13361176 2577296 15.74 277032 3280144 3613044 20.74 2202504 3835656 20428 13:00:44 8003848 11598792 4338720 26.50 277952 3304004 5223016 29.98 2205300 5612520 160 13:10:01 7519024 11240124 4696992 28.69 281788 3425712 5339464 30.65 2220032 6069980 316 Average: 6928930 10401692 5534712 33.80 273920 3185795 6352114 36.46 2181077 6700668 2512 11:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:44 lo 32.41 32.41 21.80 21.80 0.00 0.00 0.00 0.00 11:50:44 ens3 2.76 2.23 0.72 1.57 0.00 0.00 0.00 0.00 11:50:44 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:17 lo 40.34 40.34 15.05 15.05 0.00 0.00 0.00 0.00 12:00:17 ens3 1.66 1.06 0.38 0.27 0.00 0.00 0.00 0.00 12:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 13.10 13.10 7.22 7.22 0.00 0.00 0.00 0.00 12:10:01 ens3 0.66 0.40 0.13 0.09 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:17 lo 12.44 12.44 6.10 6.10 0.00 0.00 0.00 0.00 12:20:17 ens3 1.10 0.86 0.26 0.28 0.00 0.00 0.00 0.00 12:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:19 lo 19.99 19.99 10.44 10.44 0.00 0.00 0.00 0.00 12:30:19 ens3 0.96 0.70 0.25 0.19 0.00 0.00 0.00 0.00 12:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 23.39 23.39 8.63 8.63 0.00 0.00 0.00 0.00 12:40:01 ens3 0.63 0.45 0.15 0.11 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:16 lo 23.78 23.78 10.82 10.82 0.00 0.00 0.00 0.00 12:50:16 ens3 0.68 0.52 0.13 0.10 0.00 0.00 0.00 0.00 12:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:44 lo 17.61 17.61 11.12 11.12 0.00 0.00 0.00 0.00 13:00:44 ens3 0.73 0.54 0.18 0.14 0.00 0.00 0.00 0.00 13:00:44 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 19.14 19.14 9.68 9.68 0.00 0.00 0.00 0.00 13:10:01 ens3 0.93 0.88 0.26 0.22 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.46 22.46 11.29 11.29 0.00 0.00 0.00 0.00 Average: ens3 1.13 0.86 0.28 0.34 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-13234) 05/13/26 _x86_64_ (4 CPU) 11:30:59 LINUX RESTART (4 CPU) 11:40:01 CPU %user %nice %system %iowait %steal %idle 11:50:44 all 63.88 0.00 2.29 0.11 0.12 33.60 11:50:44 0 63.58 0.00 2.26 0.04 0.12 33.99 11:50:44 1 62.84 0.00 2.48 0.07 0.12 34.49 11:50:44 2 63.83 0.00 2.17 0.20 0.12 33.69 11:50:44 3 65.27 0.00 2.26 0.11 0.12 32.24 12:00:17 all 21.95 0.00 0.88 0.04 0.11 77.01 12:00:17 0 21.57 0.00 0.82 0.03 0.11 77.47 12:00:17 1 22.15 0.00 0.94 0.05 0.11 76.76 12:00:17 2 21.76 0.00 0.87 0.07 0.11 77.19 12:00:17 3 22.34 0.00 0.90 0.02 0.11 76.63 12:10:01 all 16.52 0.00 0.65 0.03 0.10 82.71 12:10:01 0 16.74 0.00 0.67 0.04 0.09 82.45 12:10:01 1 16.64 0.00 0.66 0.01 0.09 82.60 12:10:01 2 16.29 0.00 0.66 0.03 0.10 82.92 12:10:01 3 16.40 0.00 0.60 0.02 0.10 82.89 12:20:17 all 27.54 0.00 0.90 0.07 0.09 71.40 12:20:17 0 27.55 0.00 0.83 0.08 0.09 71.45 12:20:17 1 26.79 0.00 0.95 0.08 0.09 72.08 12:20:17 2 27.10 0.00 0.83 0.07 0.10 71.90 12:20:17 3 28.71 0.00 0.99 0.04 0.09 70.17 12:30:19 all 18.15 0.00 0.66 0.04 0.10 81.06 12:30:19 0 18.38 0.00 0.58 0.05 0.09 80.90 12:30:19 1 18.05 0.00 0.67 0.00 0.09 81.18 12:30:19 2 17.85 0.00 0.73 0.06 0.10 81.26 12:30:19 3 18.34 0.00 0.64 0.03 0.09 80.90 12:40:01 all 8.70 0.00 0.44 0.06 0.07 90.73 12:40:01 0 8.45 0.00 0.44 0.04 0.06 91.01 12:40:01 1 8.79 0.00 0.43 0.00 0.07 90.71 12:40:01 2 9.03 0.00 0.47 0.10 0.07 90.34 12:40:01 3 8.54 0.00 0.44 0.10 0.07 90.85 12:50:16 all 13.20 0.00 0.57 0.02 0.08 86.13 12:50:16 0 12.95 0.00 0.54 0.03 0.07 86.42 12:50:16 1 13.78 0.00 0.50 0.03 0.08 85.61 12:50:16 2 12.83 0.00 0.70 0.02 0.09 86.36 12:50:16 3 13.24 0.00 0.54 0.02 0.08 86.12 13:00:44 all 11.78 0.00 0.57 0.03 0.08 87.54 13:00:44 0 11.18 0.00 0.50 0.04 0.07 88.22 13:00:44 1 12.36 0.00 0.64 0.03 0.09 86.88 13:00:44 2 11.97 0.00 0.57 0.03 0.08 87.36 13:00:44 3 11.62 0.00 0.57 0.02 0.08 87.71 13:10:01 all 15.63 0.00 0.53 0.03 0.09 83.71 13:10:01 0 16.81 0.00 0.56 0.01 0.09 82.54 13:10:01 1 15.59 0.00 0.54 0.04 0.08 83.74 13:10:01 2 15.07 0.00 0.48 0.02 0.09 84.34 13:10:01 3 15.07 0.00 0.54 0.07 0.09 84.24 Average: all 22.30 0.00 0.85 0.05 0.09 76.71 Average: 0 22.27 0.00 0.81 0.04 0.09 76.79 Average: 1 22.25 0.00 0.88 0.04 0.09 76.74 Average: 2 22.13 0.00 0.84 0.07 0.10 76.86 Average: 3 22.56 0.00 0.84 0.05 0.09 76.45