---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9713 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 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 670 9412 4 5906 14976 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:04:8e:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84752sec preferred_lft 84752sec inet6 fe80::f816:3eff:fe04:8ec0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:6f:41:75:b1:43 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-9713) 04/29/26 _x86_64_ (4 CPU) 23:28:02 LINUX RESTART (4 CPU) 23:30:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:40:01 28.81 2.27 23.18 3.36 350.97 4461.15 46696.94 23:50:27 21.57 0.16 18.34 3.07 4.56 1538.78 31484.25 Average: 25.04 1.17 20.66 3.21 170.56 2939.17 38774.14 23:30:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:40:01 9632884 13175028 2783600 17.00 127536 3537896 3073512 17.64 728216 5628544 1096 23:50:27 9341360 13215080 2740928 16.74 146664 3828696 2865352 16.45 850756 5771132 19380 Average: 9487122 13195054 2762264 16.87 137100 3683296 2969432 17.04 789486 5699838 10238 23:30:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:40:01 lo 25.05 25.05 5.69 5.69 0.00 0.00 0.00 0.00 23:40:01 ens3 33.93 26.54 236.87 6.08 0.00 0.00 0.00 0.00 23:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:27 lo 1297.25 1297.25 1207.83 1207.83 0.00 0.00 0.00 0.00 23:50:27 ens3 32.25 23.78 251.50 4.49 0.00 0.00 0.00 0.00 23:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 687.62 687.62 631.77 631.77 0.00 0.00 0.00 0.00 Average: ens3 33.06 25.10 244.49 5.25 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-9713) 04/29/26 _x86_64_ (4 CPU) 23:28:02 LINUX RESTART (4 CPU) 23:30:25 CPU %user %nice %system %iowait %steal %idle 23:40:01 all 39.09 0.00 1.34 0.34 0.09 59.14 23:40:01 0 38.22 0.00 1.40 0.24 0.09 60.05 23:40:01 1 38.18 0.00 1.33 0.26 0.08 60.15 23:40:01 2 39.75 0.00 1.24 0.59 0.09 58.33 23:40:01 3 40.22 0.00 1.40 0.26 0.09 58.04 23:50:27 all 29.51 0.00 1.51 0.14 0.08 68.76 23:50:27 0 28.82 0.00 1.57 0.06 0.08 69.47 23:50:27 1 30.33 0.00 1.26 0.07 0.09 68.25 23:50:27 2 30.10 0.00 1.71 0.09 0.08 68.01 23:50:27 3 28.77 0.00 1.48 0.35 0.09 69.30 Average: all 34.10 0.00 1.43 0.24 0.09 64.15 Average: 0 33.33 0.00 1.48 0.15 0.08 64.95 Average: 1 34.09 0.00 1.30 0.16 0.08 64.36 Average: 2 34.73 0.00 1.49 0.33 0.09 63.37 Average: 3 34.26 0.00 1.44 0.31 0.09 63.91