---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6782 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 647 9532 4 5809 14998 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:6f:3f:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.126/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80918sec preferred_lft 80918sec inet6 fe80::f816:3eff:fe6f:3fa2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:a9:82:fc:46:d1 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-6782) 04/22/26 _x86_64_ (4 CPU) 16:14:51 LINUX RESTART (4 CPU) 16:20:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:26 14.10 0.01 1.39 12.70 0.19 16.37 242019.24 16:40:08 1.10 0.00 1.10 0.00 0.00 12.95 0.00 16:50:08 1.10 0.00 1.10 0.00 0.00 12.87 0.00 17:00:01 1.04 0.00 1.04 0.00 0.00 12.51 0.00 17:10:08 1.16 0.00 1.16 0.00 0.00 13.15 0.00 17:20:08 1.22 0.00 1.22 0.00 0.00 14.01 0.00 17:30:01 1.19 0.06 1.13 0.00 2.75 18.10 0.00 17:40:08 71.80 4.61 64.72 2.46 272.41 10314.95 9907.22 Average: 11.74 0.59 9.23 1.91 34.95 1321.90 31731.90 16:20:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:26 13779752 15530028 488624 2.98 54148 1922976 1135764 6.52 197524 2161448 20 16:40:08 13778492 15529068 489676 2.99 54452 1922984 1135748 6.52 197828 2162648 40 16:50:08 13776508 15527444 491268 3.00 54820 1922984 1135748 6.52 198180 2163224 40 17:00:01 13774996 15526320 492256 3.01 55164 1923008 1135812 6.52 198548 2168060 200 17:10:08 13773988 15525668 492904 3.01 55508 1923012 1135812 6.52 198892 2167984 36 17:20:08 13772984 15525184 493408 3.01 55884 1923152 1135876 6.52 199260 2168104 40 17:30:01 13758872 15516892 501548 3.06 56256 1928588 1139012 6.54 200060 2182200 472 17:40:08 8171664 12898012 3057640 18.67 135132 4682856 3035804 17.43 1125416 6650672 11604 Average: 13073407 15197327 813416 4.97 65170 2268695 1373697 7.89 314464 2728042 1556 16:20:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:30:26 ens3 0.21 0.08 0.04 0.02 0.00 0.00 0.00 0.00 16:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:40:08 ens3 0.27 0.11 0.07 0.03 0.00 0.00 0.00 0.00 16:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:50:08 ens3 0.17 0.09 0.04 0.02 0.00 0.00 0.00 0.00 16:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:00:01 ens3 0.47 0.59 0.08 0.50 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:10:08 ens3 0.18 0.08 0.04 0.02 0.00 0.00 0.00 0.00 17:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:20:08 ens3 0.18 0.08 0.04 0.02 0.00 0.00 0.00 0.00 17:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:30:01 ens3 6.16 3.37 9.40 0.70 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:08 lo 739.25 739.25 704.04 704.04 0.00 0.00 0.00 0.00 17:40:08 ens3 149.81 112.32 1317.52 23.33 0.00 0.00 0.00 0.00 17:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 93.93 93.93 89.38 89.38 0.00 0.00 0.00 0.00 Average: ens3 19.96 14.81 168.46 3.12 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-6782) 04/22/26 _x86_64_ (4 CPU) 16:14:51 LINUX RESTART (4 CPU) 16:20:24 CPU %user %nice %system %iowait %steal %idle 16:30:26 all 0.15 0.00 0.04 0.05 0.01 99.75 16:30:26 0 0.03 0.00 0.04 0.00 0.01 99.92 16:30:26 1 0.05 0.00 0.06 0.13 0.01 99.75 16:30:26 2 0.51 0.00 0.04 0.02 0.01 99.42 16:30:26 3 0.01 0.00 0.03 0.04 0.00 99.91 16:40:08 all 0.15 0.00 0.03 0.01 0.01 99.80 16:40:08 0 0.04 0.00 0.03 0.04 0.01 99.88 16:40:08 1 0.03 0.00 0.03 0.01 0.01 99.93 16:40:08 2 0.52 0.00 0.04 0.00 0.01 99.43 16:40:08 3 0.02 0.00 0.02 0.00 0.01 99.96 16:50:08 all 0.03 0.00 0.04 0.03 0.01 99.89 16:50:08 0 0.02 0.00 0.03 0.02 0.01 99.92 16:50:08 1 0.05 0.00 0.07 0.00 0.02 99.87 16:50:08 2 0.04 0.00 0.04 0.01 0.01 99.90 16:50:08 3 0.02 0.00 0.02 0.09 0.01 99.88 17:00:01 all 0.11 0.00 0.04 0.01 0.01 99.83 17:00:01 0 0.07 0.00 0.02 0.00 0.01 99.90 17:00:01 1 0.06 0.00 0.06 0.00 0.02 99.86 17:00:01 2 0.30 0.00 0.03 0.00 0.01 99.66 17:00:01 3 0.02 0.00 0.03 0.04 0.01 99.91 17:10:08 all 0.25 0.00 0.03 0.01 0.01 99.70 17:10:08 0 0.01 0.00 0.02 0.00 0.01 99.96 17:10:08 1 0.96 0.00 0.06 0.01 0.02 98.94 17:10:08 2 0.02 0.00 0.03 0.00 0.01 99.94 17:10:08 3 0.00 0.00 0.02 0.01 0.01 99.96 17:20:08 all 0.31 0.00 0.04 0.01 0.01 99.64 17:20:08 0 0.03 0.00 0.03 0.00 0.01 99.93 17:20:08 1 1.14 0.00 0.05 0.01 0.01 98.79 17:20:08 2 0.04 0.00 0.05 0.01 0.02 99.88 17:20:08 3 0.01 0.00 0.02 0.00 0.01 99.96 17:30:01 all 0.21 0.00 0.04 0.01 0.01 99.73 17:30:01 0 0.07 0.00 0.03 0.00 0.01 99.89 17:30:01 1 0.68 0.00 0.05 0.01 0.01 99.25 17:30:01 2 0.05 0.00 0.04 0.02 0.01 99.88 17:30:01 3 0.06 0.00 0.03 0.01 0.01 99.90 17:40:08 all 48.53 0.00 2.14 0.66 0.10 48.57 17:40:08 0 48.20 0.00 1.99 0.15 0.10 49.56 17:40:08 1 50.14 0.00 1.93 0.49 0.10 47.34 17:40:08 2 48.69 0.00 2.38 0.97 0.10 47.86 17:40:08 3 47.08 0.00 2.27 1.03 0.10 49.52 Average: all 6.29 0.00 0.30 0.10 0.02 93.28 Average: 0 6.16 0.00 0.28 0.03 0.02 93.52 Average: 1 6.71 0.00 0.29 0.08 0.03 92.89 Average: 2 6.34 0.00 0.33 0.13 0.02 93.17 Average: 3 5.97 0.00 0.31 0.15 0.02 93.55