---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53167 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.86 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 66G 16% / 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 8978 4 6341 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:1f:c9:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84212sec preferred_lft 84212sec inet6 fe80::f816:3eff:fe1f:c9b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:f7:64:d2:93:e5 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53167) 03/26/26 _x86_64_ (4 CPU) 12:57:46 LINUX RESTART (4 CPU) 13:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:10 49.16 3.81 28.69 16.67 191.59 4720.82 241555.95 13:20:16 27.44 0.02 24.72 2.70 0.22 2322.10 9260.61 13:30:07 19.17 0.32 16.63 2.21 11.92 8332.76 41638.17 Average: 32.00 1.39 23.39 7.22 68.17 5100.19 97710.77 13:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:10 10082888 13530252 2428728 14.83 139360 3436572 2507848 14.40 670756 5230900 29796 13:20:16 8712076 12749520 3205700 19.58 158868 3965632 3284592 18.85 800048 6435852 198332 13:30:07 9240924 15374312 574240 3.51 180512 5971056 1112708 6.39 1561664 5075048 34488 Average: 9345296 13884695 2069556 12.64 159580 4457753 2301716 13.21 1010823 5580600 87539 13:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:10 lo 1845.00 1845.00 1753.14 1753.14 0.00 0.00 0.00 0.00 13:10:10 ens3 139.08 110.78 1005.05 24.01 0.00 0.00 0.00 0.00 13:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:16 lo 1231.94 1231.94 1173.46 1173.46 0.00 0.00 0.00 0.00 13:20:16 ens3 37.61 30.36 23.87 10.15 0.00 0.00 0.00 0.00 13:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:07 lo 544.71 544.71 7226.50 7226.50 0.00 0.00 0.00 0.00 13:30:07 ens3 38.17 31.90 115.60 19.60 0.00 0.00 0.00 0.00 13:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1211.54 1211.54 3356.13 3356.13 0.00 0.00 0.00 0.00 Average: ens3 71.78 57.81 382.68 17.90 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53167) 03/26/26 _x86_64_ (4 CPU) 12:57:46 LINUX RESTART (4 CPU) 13:00:07 CPU %user %nice %system %iowait %steal %idle 13:10:10 all 65.56 0.00 2.81 0.97 0.10 30.55 13:10:10 0 66.25 0.00 3.13 0.58 0.11 29.94 13:10:10 1 64.85 0.00 2.89 1.43 0.11 30.72 13:10:10 2 66.20 0.00 2.35 1.42 0.10 29.92 13:10:10 3 64.93 0.00 2.87 0.47 0.11 31.62 13:20:16 all 64.48 0.00 2.41 0.07 0.09 32.95 13:20:16 0 63.92 0.00 2.57 0.06 0.09 33.35 13:20:16 1 65.28 0.00 2.55 0.14 0.09 31.95 13:20:16 2 64.12 0.00 2.30 0.03 0.10 33.45 13:20:16 3 64.59 0.00 2.23 0.04 0.09 33.06 13:30:07 all 42.98 0.00 1.71 0.15 0.08 55.09 13:30:07 0 40.29 0.00 1.33 0.05 0.08 58.25 13:30:07 1 44.73 0.00 1.71 0.16 0.08 53.32 13:30:07 2 49.89 0.00 1.95 0.11 0.08 47.97 13:30:07 3 37.01 0.00 1.83 0.27 0.08 60.81 Average: all 57.76 0.00 2.31 0.40 0.09 39.44 Average: 0 56.91 0.00 2.35 0.23 0.09 40.42 Average: 1 58.36 0.00 2.39 0.58 0.09 38.58 Average: 2 60.14 0.00 2.20 0.52 0.09 37.05 Average: 3 55.63 0.00 2.31 0.26 0.09 41.70