---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11633 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 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 641 8900 4 6447 15005 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:16:56:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83800sec preferred_lft 83800sec inet6 fe80::f816:3eff:fe16:56e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:49:a5:42:92:05 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-11633) 05/07/26 _x86_64_ (4 CPU) 05:23:20 LINUX RESTART (4 CPU) 05:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 22.45 0.42 19.32 2.71 19.09 2164.19 4806.40 05:50:07 33.89 0.00 30.37 3.51 0.12 2571.87 26623.79 06:00:22 11.23 0.31 9.74 1.18 11.43 7496.00 1330.56 Average: 22.47 0.24 19.77 2.46 10.14 4110.83 10920.93 05:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9742740 13469128 2488224 15.20 140132 3701520 2796096 16.05 716216 5525660 110392 05:50:07 9105420 13170728 2783400 17.00 162704 3991280 2889692 16.59 829572 6007240 28772 06:00:22 9123404 15365048 581984 3.55 181984 6077540 1100908 6.32 1587656 5125244 4 Average: 9323855 14001635 1951203 11.92 161607 4590113 2262232 12.99 1044481 5552715 46389 05:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1420.04 1420.04 1346.86 1346.86 0.00 0.00 0.00 0.00 05:40:01 ens3 51.10 40.63 53.93 13.40 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:07 lo 1486.84 1486.84 1416.98 1416.98 0.00 0.00 0.00 0.00 05:50:07 ens3 44.08 34.32 35.34 11.12 0.00 0.00 0.00 0.00 05:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:22 lo 239.55 239.55 6668.28 6668.28 0.00 0.00 0.00 0.00 06:00:22 ens3 47.23 49.66 103.55 362.84 0.00 0.00 0.00 0.00 06:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1041.56 1041.56 3177.10 3177.10 0.00 0.00 0.00 0.00 Average: ens3 47.44 41.59 64.56 131.28 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-11633) 05/07/26 _x86_64_ (4 CPU) 05:23:20 LINUX RESTART (4 CPU) 05:30:10 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 69.86 0.00 2.64 0.06 0.09 27.36 05:40:01 0 71.56 0.00 2.61 0.06 0.09 25.69 05:40:01 1 69.32 0.00 2.47 0.05 0.09 28.06 05:40:01 2 68.40 0.00 2.61 0.05 0.09 28.86 05:40:01 3 70.16 0.00 2.86 0.06 0.09 26.83 05:50:07 all 64.58 0.00 2.73 0.09 0.09 32.52 05:50:07 0 65.47 0.00 2.73 0.08 0.09 31.63 05:50:07 1 66.44 0.00 2.54 0.10 0.08 30.84 05:50:07 2 63.52 0.00 2.73 0.09 0.09 33.58 05:50:07 3 62.86 0.00 2.93 0.08 0.08 34.05 06:00:22 all 28.08 0.00 0.97 0.22 0.06 70.66 06:00:22 0 31.84 0.00 1.03 0.28 0.07 66.78 06:00:22 1 24.62 0.00 1.13 0.27 0.06 73.91 06:00:22 2 25.08 0.00 0.91 0.16 0.07 73.78 06:00:22 3 30.80 0.00 0.79 0.19 0.06 68.16 Average: all 53.87 0.00 2.10 0.12 0.08 43.83 Average: 0 56.00 0.00 2.11 0.14 0.08 41.67 Average: 1 53.13 0.00 2.04 0.14 0.08 44.61 Average: 2 52.02 0.00 2.07 0.10 0.08 45.73 Average: 3 54.33 0.00 2.18 0.11 0.08 43.30