---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10897 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 11G 67G 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 632 10449 4 4907 15014 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:f0:26:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84699sec preferred_lft 84699sec inet6 fe80::f816:3eff:fef0:2621/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:88:39:22:ec:09 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-10897) 02/16/26 _x86_64_ (4 CPU) 00:25:30 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:06 6.82 0.32 6.04 0.46 213.37 1078.42 16038.39 00:50:06 12.02 0.53 10.68 0.81 19.52 1817.51 2866.16 Average: 9.41 0.42 8.35 0.63 116.84 1446.45 9479.33 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:06 8235628 11332896 4628988 28.27 116476 3142792 4773800 27.40 569440 7224444 1424 00:50:06 9095996 12907948 3050004 18.63 134972 3800752 3247428 18.64 749780 6149360 274352 Average: 8665812 12120422 3839496 23.45 125724 3471772 4010614 23.02 659610 6686902 137888 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:06 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 00:40:06 ens3 21.58 16.06 175.24 2.78 0.00 0.00 0.00 0.00 00:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:06 lo 329.94 329.94 313.87 313.87 0.00 0.00 0.00 0.00 00:50:06 ens3 37.03 26.39 410.06 4.48 0.00 0.00 0.00 0.00 00:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 164.60 164.60 156.48 156.48 0.00 0.00 0.00 0.00 Average: ens3 29.28 21.20 292.17 3.63 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-10897) 02/16/26 _x86_64_ (4 CPU) 00:25:30 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:06 all 47.57 0.00 0.68 0.06 0.09 51.60 00:40:06 0 45.54 0.00 0.62 0.05 0.09 53.71 00:40:06 1 51.26 0.00 0.71 0.09 0.09 47.85 00:40:06 2 44.80 0.00 0.77 0.06 0.10 54.27 00:40:06 3 48.70 0.00 0.62 0.02 0.08 50.57 00:50:06 all 60.01 0.00 1.19 0.04 0.12 38.64 00:50:06 0 84.53 0.00 1.44 0.06 0.14 13.84 00:50:06 1 53.78 0.00 1.23 0.03 0.10 44.86 00:50:06 2 50.61 0.00 0.89 0.03 0.12 48.35 00:50:06 3 51.07 0.00 1.20 0.04 0.13 47.56 Average: all 53.76 0.00 0.93 0.05 0.10 45.16 Average: 0 64.94 0.00 1.03 0.05 0.11 33.86 Average: 1 52.51 0.00 0.97 0.06 0.09 46.36 Average: 2 47.69 0.00 0.83 0.04 0.11 51.33 Average: 3 49.88 0.00 0.91 0.03 0.10 49.08