---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19630 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 11G 68G 14% / 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 604 10668 4 4716 15042 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:90:b4:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84781sec preferred_lft 84781sec inet6 fe80::f816:3eff:fe90:b45c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:10:5b:42:84:19 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-19630) 02/21/26 _x86_64_ (4 CPU) 09:56:21 LINUX RESTART (4 CPU) 10:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 6.89 0.36 6.18 0.36 30.90 1219.55 708.24 10:20:09 13.25 0.53 11.88 0.84 19.12 1901.23 1758.79 Average: 10.09 0.44 9.05 0.60 24.98 1562.26 1236.41 10:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8515724 11452140 4510308 27.55 114552 2988252 4738852 27.20 501980 7011632 532 10:20:09 10328964 13685744 2273272 13.88 136744 3357316 2488124 14.28 671384 4985172 10204 Average: 9422344 12568942 3391790 20.72 125648 3172784 3613488 20.74 586682 5998402 5368 10:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.65 0.65 0.39 0.39 0.00 0.00 0.00 0.00 10:10:01 ens3 15.95 12.43 163.94 2.80 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:09 lo 285.08 285.08 271.15 271.15 0.00 0.00 0.00 0.00 10:20:09 ens3 28.88 21.20 383.92 3.27 0.00 0.00 0.00 0.00 10:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 143.65 143.65 136.52 136.52 0.00 0.00 0.00 0.00 Average: ens3 22.45 16.84 274.54 3.04 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-19630) 02/21/26 _x86_64_ (4 CPU) 09:56:21 LINUX RESTART (4 CPU) 10:00:00 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 48.74 0.00 0.81 0.07 0.08 50.30 10:10:01 0 57.95 0.00 1.05 0.02 0.08 40.90 10:10:01 1 45.46 0.00 0.66 0.07 0.09 53.72 10:10:01 2 48.63 0.00 0.70 0.13 0.08 50.46 10:10:01 3 42.94 0.00 0.82 0.07 0.08 56.08 10:20:09 all 50.12 0.00 1.09 0.09 0.09 48.61 10:20:09 0 61.35 0.00 1.13 0.05 0.10 37.37 10:20:09 1 37.08 0.00 1.10 0.09 0.10 61.63 10:20:09 2 61.93 0.00 1.09 0.17 0.09 36.71 10:20:09 3 40.15 0.00 1.02 0.05 0.08 58.70 Average: all 49.43 0.00 0.95 0.08 0.09 49.45 Average: 0 59.66 0.00 1.09 0.04 0.09 39.12 Average: 1 41.25 0.00 0.89 0.08 0.09 57.70 Average: 2 55.31 0.00 0.90 0.15 0.09 43.55 Average: 3 41.54 0.00 0.92 0.06 0.08 57.40