---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25090 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 698 10538 4 4751 14947 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:cb:5e:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84514sec preferred_lft 84514sec inet6 fe80::f816:3eff:fecb:5e16/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:36:46:c6:d7:dd 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-25090) 03/01/26 _x86_64_ (4 CPU) 22:06:49 LINUX RESTART (4 CPU) 22:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:20:02 10.40 1.91 8.08 0.42 125.38 2077.25 674.72 22:30:02 15.67 0.86 13.45 1.36 28.39 2865.60 2934.11 Average: 13.03 1.38 10.76 0.89 76.91 2471.16 1803.65 22:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:20:02 11039440 14017940 1944844 11.88 118836 3012416 2235744 12.83 508248 4468104 30464 22:30:02 8961520 13071728 2881504 17.60 163300 4003104 3054584 17.53 771548 6187288 311540 Average: 10000480 13544834 2413174 14.74 141068 3507760 2645164 15.18 639898 5327696 171002 22:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:20:02 lo 0.60 0.60 0.06 0.06 0.00 0.00 0.00 0.00 22:20:02 ens3 70.42 56.21 621.01 11.25 0.00 0.00 0.00 0.00 22:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:02 lo 283.55 283.55 269.29 269.29 0.00 0.00 0.00 0.00 22:30:02 ens3 90.23 63.57 367.33 18.19 0.00 0.00 0.00 0.00 22:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 141.98 141.98 134.58 134.58 0.00 0.00 0.00 0.00 Average: ens3 80.32 59.89 494.26 14.72 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-25090) 03/01/26 _x86_64_ (4 CPU) 22:06:49 LINUX RESTART (4 CPU) 22:10:01 CPU %user %nice %system %iowait %steal %idle 22:20:02 all 30.62 0.00 1.00 0.06 0.05 68.27 22:20:02 0 31.18 0.00 1.02 0.02 0.05 67.73 22:20:02 1 31.21 0.00 0.91 0.05 0.05 67.78 22:20:02 2 30.58 0.00 1.17 0.09 0.05 68.13 22:20:02 3 29.49 0.00 0.91 0.07 0.06 69.46 22:30:02 all 71.35 0.00 2.40 0.04 0.09 26.13 22:30:02 0 71.81 0.00 2.40 0.04 0.09 25.66 22:30:02 1 70.24 0.00 2.47 0.04 0.08 27.17 22:30:02 2 70.32 0.00 2.27 0.04 0.09 27.29 22:30:02 3 73.02 0.00 2.45 0.05 0.09 24.40 Average: all 50.95 0.00 1.70 0.05 0.07 47.23 Average: 0 51.46 0.00 1.70 0.03 0.07 46.74 Average: 1 50.70 0.00 1.69 0.05 0.06 47.50 Average: 2 50.43 0.00 1.72 0.06 0.07 47.73 Average: 3 51.21 0.00 1.68 0.06 0.08 46.97