---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24485 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 720 9577 4 5690 14926 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:4d:cd:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84417sec preferred_lft 84417sec inet6 fe80::f816:3eff:fe4d:cd00/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:c9:81:b8:78:90 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-24485) 06/05/26 _x86_64_ (4 CPU) 12:28:43 LINUX RESTART (4 CPU) 12:30:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:02 25.48 3.63 20.55 1.30 187.78 5711.08 1391.28 12:50:01 49.95 0.05 32.66 17.24 1.44 3415.73 266179.42 13:00:01 22.64 0.30 19.75 2.60 11.78 5906.88 61569.85 Average: 32.74 1.31 24.35 7.09 66.11 5006.17 110506.62 12:30:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:02 9633248 13290772 2666040 16.28 151876 3598136 3032120 17.40 675404 5632952 60268 12:50:01 8854876 13086200 2866196 17.51 178556 4098612 3386620 19.44 835404 6221844 17876 13:00:01 9918416 15383356 562944 3.44 200420 5241476 1094140 6.28 924180 4969784 36 Average: 9468847 13920109 2031727 12.41 176951 4312741 2504293 14.37 811663 5608193 26060 12:30:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:02 lo 429.70 429.70 409.08 409.08 0.00 0.00 0.00 0.00 12:40:02 ens3 103.81 80.75 955.03 17.28 0.00 0.00 0.00 0.00 12:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:01 lo 1705.52 1705.52 1626.17 1626.17 0.00 0.00 0.00 0.00 12:50:01 ens3 51.12 37.30 139.56 11.68 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 78.57 78.57 66.78 66.78 0.00 0.00 0.00 0.00 13:00:01 ens3 69.28 62.08 115.18 186.24 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 740.13 740.13 702.76 702.76 0.00 0.00 0.00 0.00 Average: ens3 74.52 59.89 399.16 72.15 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-24485) 06/05/26 _x86_64_ (4 CPU) 12:28:43 LINUX RESTART (4 CPU) 12:30:16 CPU %user %nice %system %iowait %steal %idle 12:40:02 all 47.95 0.00 1.66 0.16 0.09 50.14 12:40:02 0 46.81 0.00 1.51 0.18 0.09 51.42 12:40:02 1 49.01 0.00 1.84 0.21 0.09 48.85 12:40:02 2 48.14 0.00 1.72 0.12 0.09 49.93 12:40:02 3 47.85 0.00 1.56 0.12 0.09 50.38 12:50:01 all 62.30 0.00 2.62 0.07 0.11 34.90 12:50:01 0 61.01 0.00 2.47 0.07 0.11 36.34 12:50:01 1 62.25 0.00 2.52 0.12 0.12 35.01 12:50:01 2 63.32 0.00 2.95 0.06 0.11 33.56 12:50:01 3 62.61 0.00 2.54 0.05 0.12 34.68 13:00:01 all 44.61 0.00 1.51 0.08 0.08 53.72 13:00:01 0 43.28 0.00 1.49 0.03 0.08 55.12 13:00:01 1 46.27 0.00 1.33 0.11 0.08 52.21 13:00:01 2 44.66 0.00 1.67 0.13 0.08 53.45 13:00:01 3 44.21 0.00 1.56 0.04 0.08 54.11 Average: all 51.64 0.00 1.93 0.10 0.09 46.24 Average: 0 50.39 0.00 1.82 0.09 0.09 47.60 Average: 1 52.53 0.00 1.90 0.14 0.09 45.34 Average: 2 52.06 0.00 2.12 0.10 0.09 45.63 Average: 3 51.58 0.00 1.89 0.07 0.09 46.37