---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28904 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: 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 15% / 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 684 9914 4 5390 14962 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:82:04:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84360sec preferred_lft 84360sec inet6 fe80::f816:3eff:fe82:4d4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:0f:f6:96:bc:bb 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-28904) 06/20/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:04 43.47 0.03 37.09 6.35 0.63 1618.08 128847.27 18:50:01 30.36 0.18 25.98 4.20 5.79 5231.63 27173.23 Average: 36.93 0.10 31.55 5.28 3.20 3420.43 78134.68 18:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:04 9526076 12968912 2990224 18.26 155604 3411720 3192736 18.33 675560 5782496 304 18:50:01 7508600 12571908 3379112 20.64 182320 4922180 3485748 20.01 1225648 7152444 249832 Average: 8517338 12770410 3184668 19.45 168962 4166950 3339242 19.17 950604 6467470 125068 18:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:04 lo 42.73 42.73 10.13 10.13 0.00 0.00 0.00 0.00 18:40:04 ens3 16.30 12.16 10.88 3.92 0.00 0.00 0.00 0.00 18:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1757.46 1757.46 1660.96 1660.96 0.00 0.00 0.00 0.00 18:50:01 ens3 78.70 58.67 479.43 14.26 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 898.00 898.00 833.53 833.53 0.00 0.00 0.00 0.00 Average: ens3 47.42 35.36 244.58 9.08 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-28904) 06/20/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:03 CPU %user %nice %system %iowait %steal %idle 18:40:04 all 25.10 0.00 1.05 0.26 0.08 73.52 18:40:04 0 25.59 0.00 1.15 0.57 0.08 72.61 18:40:04 1 24.26 0.00 1.02 0.24 0.08 74.41 18:40:04 2 25.62 0.00 1.10 0.09 0.08 73.11 18:40:04 3 24.91 0.00 0.91 0.17 0.08 73.94 18:50:01 all 44.14 0.00 2.30 0.12 0.09 53.34 18:50:01 0 42.85 0.00 2.34 0.05 0.09 54.66 18:50:01 1 44.35 0.00 2.42 0.20 0.09 52.94 18:50:01 2 44.69 0.00 2.33 0.11 0.09 52.78 18:50:01 3 44.70 0.00 2.11 0.12 0.09 52.98 Average: all 34.59 0.00 1.67 0.19 0.08 63.46 Average: 0 34.20 0.00 1.75 0.31 0.08 63.66 Average: 1 34.26 0.00 1.72 0.22 0.08 63.72 Average: 2 35.13 0.00 1.72 0.10 0.08 62.98 Average: 3 34.77 0.00 1.51 0.14 0.09 63.49