---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-33310 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 17G 61G 22% / 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 689 12764 4 2535 14957 Swap: 1023 25 998 ---> 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:28:25:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82833sec preferred_lft 82833sec inet6 fe80::f816:3eff:fe28:2538/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:d6:b3:69:ce: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::a0d6:b3ff:fe69:ce3a/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-33310) 07/06/26 _x86_64_ (4 CPU) 05:46:21 LINUX RESTART (4 CPU) 05:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:00:01 96.49 3.77 88.42 4.30 146.32 31649.60 10830.69 06:10:05 52.68 26.24 24.95 1.50 814.79 1790.21 1088.79 06:20:05 14.34 4.09 9.65 0.60 76.37 376.30 611.45 06:30:01 7.51 0.62 6.64 0.25 15.97 510.36 506.63 06:40:05 6.95 0.49 6.24 0.21 13.22 190.09 865.16 Average: 35.40 7.08 26.96 1.36 214.40 6807.43 2749.90 05:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:01 2255664 5738120 10193236 62.26 254872 3174060 11856608 68.06 2068100 11429752 3108 06:10:05 3367396 5158908 10780692 65.84 262620 1642220 11488728 65.95 1214708 11327344 832 06:20:05 8040432 9869604 6075156 37.10 264076 1678364 6925264 39.75 1243804 6649824 344 06:30:01 9392084 11333756 4611604 28.17 268828 1783564 5366284 30.80 1278748 5278792 296 06:40:05 9077016 11045864 4899736 29.93 269864 1809608 5903348 33.89 1302908 5566520 276 Average: 6426518 8629250 7312085 44.66 264052 2017563 8308046 47.69 1421654 8050446 971 05:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:00:01 lo 13.57 13.57 12.34 12.34 0.00 0.00 0.00 0.00 06:00:01 ens3 39.01 28.59 666.38 3.48 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:05 lo 47.07 47.07 23.99 23.99 0.00 0.00 0.00 0.00 06:10:05 ens3 1.80 1.67 0.42 0.37 0.00 0.00 0.00 0.00 06:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:05 lo 25.52 25.52 11.81 11.81 0.00 0.00 0.00 0.00 06:20:05 ens3 1.32 1.17 0.20 1.04 0.00 0.00 0.00 0.00 06:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:01 lo 14.15 14.15 7.31 7.31 0.00 0.00 0.00 0.00 06:30:01 ens3 0.81 0.75 0.24 0.18 0.00 0.00 0.00 0.00 06:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:05 lo 16.80 16.80 6.86 6.86 0.00 0.00 0.00 0.00 06:40:05 ens3 0.83 0.59 0.20 0.15 0.00 0.00 0.00 0.00 06:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.49 23.49 12.48 12.48 0.00 0.00 0.00 0.00 Average: ens3 8.63 6.47 131.40 1.03 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-33310) 07/06/26 _x86_64_ (4 CPU) 05:46:21 LINUX RESTART (4 CPU) 05:50:12 CPU %user %nice %system %iowait %steal %idle 06:00:01 all 56.83 0.00 2.43 0.39 0.10 40.26 06:00:01 0 56.62 0.00 2.37 0.25 0.09 40.67 06:00:01 1 55.95 0.00 2.54 0.41 0.10 41.01 06:00:01 2 59.72 0.00 2.55 0.62 0.10 37.00 06:00:01 3 55.01 0.00 2.24 0.31 0.09 42.35 06:10:05 all 51.46 0.00 1.91 0.15 0.10 46.38 06:10:05 0 51.61 0.00 1.95 0.10 0.10 46.23 06:10:05 1 51.82 0.00 2.04 0.25 0.10 45.78 06:10:05 2 51.22 0.00 1.82 0.14 0.10 46.72 06:10:05 3 51.18 0.00 1.83 0.12 0.10 46.77 06:20:05 all 24.69 0.00 1.05 0.06 0.07 74.12 06:20:05 0 24.15 0.00 1.08 0.03 0.07 74.68 06:20:05 1 24.97 0.00 1.19 0.07 0.08 73.70 06:20:05 2 24.65 0.00 1.04 0.08 0.08 74.15 06:20:05 3 25.01 0.00 0.91 0.04 0.07 73.96 06:30:01 all 9.51 0.00 0.54 0.04 0.05 89.86 06:30:01 0 9.99 0.00 0.55 0.08 0.05 89.34 06:30:01 1 9.43 0.00 0.55 0.01 0.05 89.96 06:30:01 2 9.66 0.00 0.66 0.05 0.06 89.58 06:30:01 3 8.95 0.00 0.41 0.03 0.05 90.56 06:40:05 all 13.03 0.00 0.56 1.09 0.06 85.27 06:40:05 0 11.74 0.00 0.52 1.15 0.06 86.52 06:40:05 1 13.97 0.00 0.58 2.37 0.06 83.02 06:40:05 2 13.21 0.00 0.60 0.81 0.06 85.32 06:40:05 3 13.19 0.00 0.52 0.03 0.06 86.20 Average: all 31.02 0.00 1.29 0.35 0.08 67.26 Average: 0 30.75 0.00 1.29 0.32 0.08 67.56 Average: 1 31.15 0.00 1.37 0.62 0.08 66.78 Average: 2 31.61 0.00 1.33 0.34 0.08 66.65 Average: 3 30.58 0.00 1.18 0.11 0.08 68.06