---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22373 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: 5599.99 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 68G 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 685 10497 4 4806 14961 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:e3:54:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84357sec preferred_lft 84357sec inet6 fe80::f816:3eff:fee3:5430/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:2c:6a:cc:e0:d6 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-22373) 03/24/26 _x86_64_ (4 CPU) 21:26:38 LINUX RESTART (4 CPU) 21:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:40:01 10.27 1.96 7.91 0.40 125.89 2226.65 92.57 21:50:01 20.34 0.81 17.55 1.98 28.41 3569.32 1270.76 22:00:01 31.17 0.42 13.66 17.09 16.43 2072.71 237640.57 Average: 20.59 1.07 13.04 6.49 56.91 2622.89 79667.97 21:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:40:01 10722072 13799784 2162336 13.21 124440 3095740 2461004 14.13 523100 4769312 33604 21:50:01 8957044 13127620 2825540 17.26 170916 4051308 3023244 17.35 778988 6178976 95300 22:00:01 10775424 15339692 611228 3.73 180332 4414976 1112668 6.39 928296 4181548 14512 Average: 10151513 14089032 1866368 11.40 158563 3854008 2198972 12.62 743461 5043279 47805 21:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:40:01 lo 0.65 0.65 0.07 0.07 0.00 0.00 0.00 0.00 21:40:01 ens3 66.91 55.73 623.39 10.86 0.00 0.00 0.00 0.00 21:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:01 lo 776.79 776.79 739.92 739.92 0.00 0.00 0.00 0.00 21:50:01 ens3 59.11 48.62 359.90 12.44 0.00 0.00 0.00 0.00 21:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 lo 948.33 948.33 892.87 892.87 0.00 0.00 0.00 0.00 22:00:01 ens3 85.38 82.14 134.80 197.45 0.00 0.00 0.00 0.00 22:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 575.26 575.26 544.29 544.29 0.00 0.00 0.00 0.00 Average: ens3 70.47 62.17 372.70 73.58 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-22373) 03/24/26 _x86_64_ (4 CPU) 21:26:38 LINUX RESTART (4 CPU) 21:30:01 CPU %user %nice %system %iowait %steal %idle 21:40:01 all 35.46 0.00 1.07 0.05 0.06 63.36 21:40:01 0 35.29 0.00 1.27 0.07 0.06 63.32 21:40:01 1 35.70 0.00 1.05 0.02 0.05 63.17 21:40:01 2 35.74 0.00 0.92 0.02 0.06 63.26 21:40:01 3 35.10 0.00 1.06 0.08 0.06 63.71 21:50:01 all 71.77 0.00 2.49 0.05 0.09 25.62 21:50:01 0 69.87 0.00 2.52 0.05 0.09 27.48 21:50:01 1 71.50 0.00 2.25 0.03 0.09 26.13 21:50:01 2 72.72 0.00 2.59 0.05 0.09 24.56 21:50:01 3 72.99 0.00 2.58 0.06 0.08 24.29 22:00:01 all 30.96 0.00 1.48 0.09 0.07 67.40 22:00:01 0 28.00 0.00 1.42 0.04 0.06 70.47 22:00:01 1 34.15 0.00 1.74 0.19 0.07 63.85 22:00:01 2 30.40 0.00 1.43 0.11 0.06 67.99 22:00:01 3 31.28 0.00 1.32 0.04 0.07 67.29 Average: all 46.06 0.00 1.68 0.06 0.07 52.13 Average: 0 44.39 0.00 1.74 0.05 0.07 53.76 Average: 1 47.12 0.00 1.68 0.08 0.07 51.05 Average: 2 46.27 0.00 1.65 0.06 0.07 51.95 Average: 3 46.45 0.00 1.65 0.06 0.07 51.77