---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8233 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 66G 16% / 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 671 8743 4 6574 14975 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:b0:60:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84332sec preferred_lft 84332sec inet6 fe80::f816:3eff:feb0:60da/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:d8:a2:e5:86:14 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8233) 02/06/26 _x86_64_ (4 CPU) 13:27:10 LINUX RESTART (4 CPU) 13:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:18 73.13 5.31 52.44 15.37 666.87 5682.25 253828.94 13:50:00 23.51 0.01 20.85 2.64 0.21 2101.17 11191.55 14:00:00 20.84 0.02 18.84 1.97 0.47 4052.06 45661.43 Average: 39.64 1.83 31.02 6.79 229.00 3980.36 105926.76 13:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:18 10247804 13757840 2200188 13.44 132996 3506236 2310508 13.26 779084 4947172 17092 13:50:00 9476068 13374068 2581288 15.77 148060 3846088 2780592 15.96 888820 5583800 30208 14:00:00 7349144 13300752 2647112 16.17 164768 5811112 2730124 15.67 1577844 6935100 1109572 Average: 9024339 13477553 2476196 15.12 148608 4387812 2607075 14.96 1081916 5822024 385624 13:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:18 lo 1123.74 1123.74 1064.84 1064.84 0.00 0.00 0.00 0.00 13:40:18 ens3 124.95 87.32 1217.34 16.95 0.00 0.00 0.00 0.00 13:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:00 lo 1104.51 1104.51 1051.39 1051.39 0.00 0.00 0.00 0.00 13:50:00 ens3 24.85 21.39 18.09 7.10 0.00 0.00 0.00 0.00 13:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:00 lo 888.33 888.33 7455.75 7455.75 0.00 0.00 0.00 0.00 14:00:00 ens3 23.88 20.48 115.86 5.64 0.00 0.00 0.00 0.00 14:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1039.00 1039.00 3192.05 3192.05 0.00 0.00 0.00 0.00 Average: ens3 58.87 43.71 462.11 9.99 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8233) 02/06/26 _x86_64_ (4 CPU) 13:27:10 LINUX RESTART (4 CPU) 13:30:00 CPU %user %nice %system %iowait %steal %idle 13:40:18 all 48.18 0.00 2.19 0.62 0.09 48.92 13:40:18 0 48.78 0.00 2.30 0.56 0.10 48.27 13:40:18 1 47.30 0.00 2.32 1.09 0.09 49.21 13:40:18 2 48.79 0.00 1.98 0.52 0.09 48.62 13:40:18 3 47.84 0.00 2.17 0.31 0.09 49.59 13:50:00 all 67.89 0.00 2.35 0.14 0.12 29.50 13:50:00 0 68.81 0.00 2.42 0.17 0.12 28.47 13:50:00 1 66.61 0.00 2.22 0.14 0.12 30.91 13:50:00 2 66.98 0.00 2.27 0.13 0.12 30.51 13:50:00 3 69.17 0.00 2.48 0.11 0.12 28.12 14:00:00 all 48.49 0.00 1.85 0.18 0.11 49.38 14:00:00 0 49.61 0.00 1.61 0.10 0.11 48.57 14:00:00 1 46.65 0.00 2.01 0.23 0.11 51.00 14:00:00 2 50.59 0.00 2.06 0.05 0.11 47.19 14:00:00 3 47.10 0.00 1.73 0.32 0.11 50.73 Average: all 54.65 0.00 2.13 0.32 0.11 42.80 Average: 0 55.53 0.00 2.11 0.28 0.11 41.97 Average: 1 53.32 0.00 2.18 0.50 0.11 43.90 Average: 2 55.27 0.00 2.10 0.24 0.11 42.29 Average: 3 54.48 0.00 2.12 0.25 0.11 43.04