---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19123 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: 5600.00 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 10G 68G 13% / 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 656 10745 4 4587 14990 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:07:7b:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84861sec preferred_lft 84861sec inet6 fe80::f816:3eff:fe07:7ba8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:bf:cb:ba:4d:3c 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-19123) 02/19/26 _x86_64_ (4 CPU) 21:55:37 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:13 52.41 3.04 41.73 7.65 735.19 5118.47 20416.16 22:20:11 29.61 0.15 24.71 4.75 6.63 3288.81 4730.79 Average: 41.14 1.61 33.31 6.21 375.08 4214.12 12663.28 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:13 10287616 13908500 2048728 12.51 160928 3577888 2225128 12.77 767904 4898228 23556 22:20:11 11150000 15482616 469284 2.87 198380 4194900 998360 5.73 974840 3776656 64 Average: 10718808 14695558 1259006 7.69 179654 3886394 1611744 9.25 871372 4337442 11810 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:13 lo 4068.57 4068.57 3877.85 3877.85 0.00 0.00 0.00 0.00 22:10:13 ens3 179.78 132.23 1021.20 32.54 0.00 0.00 0.00 0.00 22:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:11 lo 2237.40 2237.40 2115.81 2115.81 0.00 0.00 0.00 0.00 22:20:11 ens3 133.78 123.48 129.29 176.34 0.00 0.00 0.00 0.00 22:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3163.47 3163.47 3006.91 3006.91 0.00 0.00 0.00 0.00 Average: ens3 157.05 127.90 580.35 103.62 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-19123) 02/19/26 _x86_64_ (4 CPU) 21:55:37 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:13 all 60.00 0.00 3.65 0.76 0.11 35.47 22:10:13 0 59.04 0.00 3.69 0.84 0.12 36.31 22:10:13 1 59.66 0.00 3.24 1.10 0.11 35.88 22:10:13 2 60.10 0.00 3.89 0.40 0.11 35.50 22:10:13 3 61.21 0.00 3.79 0.71 0.11 34.19 22:20:11 all 42.38 0.00 2.28 0.17 0.09 55.08 22:20:11 0 39.03 0.00 2.28 0.08 0.08 58.53 22:20:11 1 41.40 0.00 2.37 0.31 0.12 55.81 22:20:11 2 47.28 0.00 2.23 0.19 0.09 50.21 22:20:11 3 41.81 0.00 2.22 0.10 0.09 55.79 Average: all 51.28 0.00 2.97 0.47 0.10 45.18 Average: 0 49.14 0.00 2.99 0.46 0.10 47.31 Average: 1 50.62 0.00 2.81 0.71 0.11 45.75 Average: 2 53.75 0.00 3.07 0.30 0.10 42.79 Average: 3 51.61 0.00 3.01 0.41 0.10 44.87