---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17180 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 659 8892 4 6437 14987 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:01:35:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84273sec preferred_lft 84273sec inet6 fe80::f816:3eff:fe01:3584/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:c1:fd:60:70:59 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-17180) 05/20/26 _x86_64_ (4 CPU) 16:07:30 LINUX RESTART (4 CPU) 16:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:20:05 35.65 3.03 28.41 4.21 163.54 4728.05 24479.97 16:30:01 27.61 0.02 24.82 2.77 0.25 2259.21 15978.80 16:40:06 18.66 0.31 16.34 2.00 11.64 8260.40 6101.79 Average: 27.30 1.12 23.18 2.99 58.66 5095.75 15510.55 16:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:20:05 10036920 13560312 2397412 14.64 137604 3516384 2465156 14.15 689648 5228128 13004 16:30:01 8747456 12883928 3070388 18.75 156752 4067528 3201752 18.38 821788 6376596 214188 16:40:06 9126200 15358348 588796 3.60 177592 6073400 1110292 6.37 1583892 5144808 828 Average: 9303525 13934196 2018865 12.33 157316 4552437 2259067 12.97 1031776 5583177 76007 16:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:20:05 lo 1566.14 1566.14 1487.16 1487.16 0.00 0.00 0.00 0.00 16:20:05 ens3 129.01 95.44 1036.69 19.58 0.00 0.00 0.00 0.00 16:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 lo 1204.39 1204.39 1147.26 1147.26 0.00 0.00 0.00 0.00 16:30:01 ens3 40.39 32.01 26.45 10.66 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:06 lo 677.05 677.05 7097.44 7097.44 0.00 0.00 0.00 0.00 16:40:06 ens3 56.77 53.96 117.81 361.46 0.00 0.00 0.00 0.00 16:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1148.59 1148.59 3255.01 3255.01 0.00 0.00 0.00 0.00 Average: ens3 75.51 60.57 394.79 131.21 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-17180) 05/20/26 _x86_64_ (4 CPU) 16:07:30 LINUX RESTART (4 CPU) 16:10:02 CPU %user %nice %system %iowait %steal %idle 16:20:05 all 59.08 0.00 2.42 0.14 0.08 38.28 16:20:05 0 59.78 0.00 2.50 0.12 0.08 37.52 16:20:05 1 58.85 0.00 2.50 0.24 0.09 38.32 16:20:05 2 58.01 0.00 2.44 0.07 0.09 39.39 16:20:05 3 59.67 0.00 2.23 0.15 0.08 37.87 16:30:01 all 67.77 0.00 2.39 0.06 0.12 29.67 16:30:01 0 68.78 0.00 2.29 0.06 0.11 28.75 16:30:01 1 67.71 0.00 2.39 0.09 0.12 29.70 16:30:01 2 68.13 0.00 2.66 0.05 0.12 29.05 16:30:01 3 66.45 0.00 2.21 0.06 0.12 31.17 16:40:06 all 41.66 0.00 1.61 0.13 0.09 56.51 16:40:06 0 39.01 0.00 1.57 0.05 0.09 59.28 16:40:06 1 38.18 0.00 1.64 0.18 0.09 59.91 16:40:06 2 45.41 0.00 1.61 0.09 0.09 52.81 16:40:06 3 44.07 0.00 1.61 0.20 0.09 54.04 Average: all 56.11 0.00 2.13 0.11 0.10 41.55 Average: 0 55.77 0.00 2.12 0.08 0.10 41.94 Average: 1 54.85 0.00 2.18 0.17 0.10 42.71 Average: 2 57.13 0.00 2.23 0.07 0.10 40.47 Average: 3 56.68 0.00 2.01 0.13 0.10 41.08