---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17066 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 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 687 10230 4 5071 14959 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:b0:55:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84489sec preferred_lft 84489sec inet6 fe80::f816:3eff:feb0:55a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:2d:6b:cf:f0:22 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-17066) 05/20/26 _x86_64_ (4 CPU) 09:11:05 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:15 15.55 2.19 12.24 1.12 134.02 3121.08 2436.70 09:40:01 32.64 0.81 27.38 4.46 27.69 4287.77 5652.15 Average: 23.90 1.51 19.63 2.75 82.11 3690.63 4006.42 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:15 9924888 13729644 2226932 13.60 147080 3761328 2469432 14.17 790688 5242336 57072 09:40:01 10522208 15355784 593880 3.63 175040 4692660 1122648 6.44 1061328 4282196 204 Average: 10223548 14542714 1410406 8.61 161060 4226994 1796040 10.31 926008 4762266 28638 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:15 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 09:30:15 ens3 90.72 69.48 433.65 19.87 0.00 0.00 0.00 0.00 09:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1650.87 1650.87 1569.12 1569.12 0.00 0.00 0.00 0.00 09:40:01 ens3 87.08 69.01 420.99 76.48 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 806.65 806.65 766.08 766.08 0.00 0.00 0.00 0.00 Average: ens3 88.95 69.25 427.47 47.51 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-17066) 05/20/26 _x86_64_ (4 CPU) 09:11:05 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:15 all 72.33 0.00 2.36 0.09 0.14 25.07 09:30:15 0 71.38 0.00 2.51 0.09 0.14 25.89 09:30:15 1 72.10 0.00 2.23 0.11 0.14 25.42 09:30:15 2 72.27 0.00 2.24 0.03 0.14 25.32 09:30:15 3 73.58 0.00 2.48 0.14 0.14 23.66 09:40:01 all 55.72 0.00 2.51 0.47 0.13 41.17 09:40:01 0 52.69 0.00 2.59 0.09 0.13 44.50 09:40:01 1 54.60 0.00 2.35 0.22 0.13 42.70 09:40:01 2 58.25 0.00 2.55 0.12 0.13 38.95 09:40:01 3 57.34 0.00 2.56 1.44 0.13 38.53 Average: all 64.22 0.00 2.44 0.28 0.13 32.93 Average: 0 62.25 0.00 2.55 0.09 0.13 34.98 Average: 1 63.56 0.00 2.29 0.16 0.13 33.86 Average: 2 65.42 0.00 2.39 0.07 0.14 31.98 Average: 3 65.66 0.00 2.52 0.78 0.13 30.92