---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17212 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 12G 67G 15% / 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 744 9410 4 5833 14902 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:45:c5:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84069sec preferred_lft 84069sec inet6 fe80::f816:3eff:fe45:c5ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:ee:1d:45:04:0b 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 ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-17212) 05/20/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:09 19.48 0.79 17.12 1.58 24.61 4816.29 8121.01 20:50:09 56.72 0.00 45.24 11.48 0.00 3020.63 16742.24 21:00:09 29.70 0.29 24.58 4.83 11.72 4641.78 6186.23 Average: 35.26 0.36 28.95 5.95 12.14 4161.03 10344.83 20:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:09 9037380 13294764 2657756 16.23 183572 4129088 2885148 16.56 780180 6101512 237824 20:50:09 8678312 13259936 2688896 16.42 212496 4392068 3000164 17.22 868988 6331340 115192 21:00:09 9765668 15372480 571532 3.49 242988 5332052 1111136 6.38 1234856 4800384 128 Average: 9160453 13975727 1972728 12.05 213019 4617736 2332149 13.39 961341 5744412 117715 20:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:09 lo 371.15 371.15 352.76 352.76 0.00 0.00 0.00 0.00 20:40:09 ens3 87.14 65.29 328.21 19.47 0.00 0.00 0.00 0.00 20:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:09 lo 5791.91 5791.91 5523.07 5523.07 0.00 0.00 0.00 0.00 20:50:09 ens3 77.60 56.41 27.00 19.96 0.00 0.00 0.00 0.00 20:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:09 lo 2202.07 2202.07 2083.44 2083.44 0.00 0.00 0.00 0.00 21:00:09 ens3 115.83 104.35 116.13 164.40 0.00 0.00 0.00 0.00 21:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2782.97 2782.97 2647.95 2647.95 0.00 0.00 0.00 0.00 Average: ens3 93.51 75.33 157.49 67.83 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-4g-17212) 05/20/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:05 CPU %user %nice %system %iowait %steal %idle 20:40:09 all 69.77 0.00 2.45 0.05 0.11 27.62 20:40:09 0 69.14 0.00 2.78 0.06 0.11 27.93 20:40:09 1 70.50 0.00 2.38 0.04 0.11 26.97 20:40:09 2 68.81 0.00 2.15 0.03 0.11 28.91 20:40:09 3 70.65 0.00 2.49 0.07 0.11 26.68 20:50:09 all 62.04 0.00 4.23 0.18 0.10 33.44 20:50:09 0 61.49 0.00 4.33 0.29 0.10 33.79 20:50:09 1 62.81 0.00 5.11 0.11 0.11 31.87 20:50:09 2 62.73 0.00 3.76 0.16 0.10 33.26 20:50:09 3 61.14 0.00 3.74 0.16 0.10 34.85 21:00:09 all 45.89 0.00 2.51 0.09 0.10 51.41 21:00:09 0 47.76 0.00 2.52 0.15 0.10 49.48 21:00:09 1 45.61 0.00 2.80 0.07 0.10 51.43 21:00:09 2 43.88 0.00 2.25 0.08 0.10 53.69 21:00:09 3 46.31 0.00 2.47 0.07 0.10 51.05 Average: all 59.26 0.00 3.06 0.11 0.10 37.47 Average: 0 59.48 0.00 3.21 0.16 0.10 37.05 Average: 1 59.67 0.00 3.43 0.07 0.10 36.73 Average: 2 58.50 0.00 2.72 0.09 0.10 38.59 Average: 3 59.40 0.00 2.90 0.10 0.10 37.50