---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-918 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 742 9555 4 5691 14903 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:7f:34:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84258sec preferred_lft 84258sec inet6 fe80::f816:3eff:fe7f:34eb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:33:03:14:6d:ac 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-918) 07/31/26 _x86_64_ (4 CPU) 15:48:26 LINUX RESTART (4 CPU) 15:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:13 29.46 3.54 24.33 1.59 182.72 5843.53 2989.65 16:10:01 29.30 0.03 25.77 3.50 1.22 2575.02 24189.03 16:20:13 25.71 0.03 22.76 2.91 0.99 6661.53 8842.79 Average: 28.13 1.21 24.27 2.66 61.90 5055.52 11886.31 15:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:13 8729100 12579644 3376424 20.62 152664 3781576 3586608 20.59 715380 6501324 191988 16:10:01 9081480 13066536 2887564 17.64 166844 3886916 3167752 18.18 769068 6071304 24140 16:20:13 9918004 15376360 570684 3.49 199752 5234800 1069628 6.14 917668 4986724 150728 Average: 9242861 13674180 2278224 13.91 173087 4301097 2607996 14.97 800705 5853117 122285 15:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:13 lo 457.11 457.11 435.05 435.05 0.00 0.00 0.00 0.00 16:00:13 ens3 114.31 88.17 930.43 17.59 0.00 0.00 0.00 0.00 16:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 2971.98 2971.98 2835.66 2835.66 0.00 0.00 0.00 0.00 16:10:01 ens3 39.13 30.28 138.56 8.88 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:13 lo 399.02 399.02 379.68 379.68 0.00 0.00 0.00 0.00 16:20:13 ens3 44.64 35.78 105.22 11.58 0.00 0.00 0.00 0.00 16:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1257.24 1257.24 1198.86 1198.86 0.00 0.00 0.00 0.00 Average: ens3 66.17 51.52 392.32 12.71 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-918) 07/31/26 _x86_64_ (4 CPU) 15:48:26 LINUX RESTART (4 CPU) 15:50:09 CPU %user %nice %system %iowait %steal %idle 16:00:13 all 49.03 0.00 1.75 0.48 0.10 48.65 16:00:13 0 47.86 0.00 1.47 0.78 0.10 49.79 16:00:13 1 51.47 0.00 1.95 0.42 0.10 46.07 16:00:13 2 47.36 0.00 1.74 0.31 0.09 50.50 16:00:13 3 49.42 0.00 1.84 0.41 0.10 48.23 16:10:01 all 52.26 0.00 2.83 6.44 0.12 38.35 16:10:01 0 51.39 0.00 3.53 4.39 0.13 40.56 16:10:01 1 54.33 0.00 2.93 3.68 0.12 38.94 16:10:01 2 52.43 0.00 2.59 12.32 0.12 32.55 16:10:01 3 50.92 0.00 2.28 5.36 0.11 41.33 16:20:13 all 53.30 0.00 1.95 2.82 0.11 41.83 16:20:13 0 48.42 0.00 1.80 5.40 0.12 44.26 16:20:13 1 55.97 0.00 1.99 1.77 0.10 40.16 16:20:13 2 56.31 0.00 2.19 2.27 0.11 39.12 16:20:13 3 52.50 0.00 1.82 1.83 0.10 43.74 Average: all 51.53 0.00 2.17 3.21 0.11 42.99 Average: 0 49.20 0.00 2.25 3.52 0.11 44.92 Average: 1 53.93 0.00 2.28 1.94 0.11 41.75 Average: 2 52.04 0.00 2.17 4.88 0.11 40.81 Average: 3 50.95 0.00 1.98 2.50 0.10 44.46