---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28413 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: 5599.86 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 692 10474 4 4822 14954 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:7c:d2:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84695sec preferred_lft 84695sec inet6 fe80::f816:3eff:fe7c:d215/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:20:3b:89:38:b2 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-28413) 06/18/26 _x86_64_ (4 CPU) 15:26:30 LINUX RESTART (4 CPU) 15:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 13.67 2.01 10.75 0.91 128.61 2897.02 1825.69 15:50:08 43.57 0.87 25.38 17.32 29.91 4179.63 237619.00 Average: 28.85 1.43 18.18 9.24 78.51 3548.07 121514.23 15:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10614528 13972320 1987576 12.14 133288 3344748 2340648 13.44 560436 4816564 29096 15:50:08 8681076 13227236 2723212 16.63 172336 4404420 2844808 16.33 891264 6307736 61792 Average: 9647802 13599778 2355394 14.39 152812 3874584 2592728 14.88 725850 5562150 45444 15:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 15:40:01 ens3 94.12 76.62 643.20 18.97 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:08 lo 1669.88 1669.88 1592.05 1592.05 0.00 0.00 0.00 0.00 15:50:08 ens3 87.59 64.85 424.86 18.13 0.00 0.00 0.00 0.00 15:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 848.19 848.19 808.18 808.18 0.00 0.00 0.00 0.00 Average: ens3 90.80 70.65 532.37 18.55 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-28413) 06/18/26 _x86_64_ (4 CPU) 15:26:30 LINUX RESTART (4 CPU) 15:30:11 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 56.16 0.00 1.87 0.05 0.07 41.84 15:40:01 0 55.01 0.00 1.65 0.03 0.07 43.24 15:40:01 1 57.04 0.00 2.06 0.10 0.07 40.73 15:40:01 2 56.37 0.00 1.90 0.04 0.07 41.61 15:40:01 3 56.22 0.00 1.88 0.04 0.07 41.80 15:50:08 all 69.00 0.00 2.70 0.08 0.08 28.14 15:50:08 0 67.89 0.00 2.58 0.12 0.08 29.34 15:50:08 1 68.17 0.00 2.35 0.07 0.08 29.32 15:50:08 2 69.14 0.00 3.16 0.05 0.08 27.58 15:50:08 3 70.81 0.00 2.71 0.07 0.08 26.33 Average: all 62.67 0.00 2.29 0.06 0.08 34.89 Average: 0 61.55 0.00 2.12 0.07 0.08 36.18 Average: 1 62.69 0.00 2.21 0.08 0.08 34.94 Average: 2 62.85 0.00 2.54 0.04 0.08 34.49 Average: 3 63.62 0.00 2.30 0.05 0.08 33.95