---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54418 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 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 614 9853 4 5521 15032 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:a2:70:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84402sec preferred_lft 84402sec inet6 fe80::f816:3eff:fea2:7041/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:6e:e5:46:0b: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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-54418) 03/31/26 _x86_64_ (4 CPU) 06:28:29 LINUX RESTART (4 CPU) 06:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:18 25.20 3.49 20.21 1.50 176.76 5598.88 6297.36 06:50:18 32.46 0.05 28.93 3.48 1.32 3165.34 22623.10 07:00:18 17.74 0.30 15.34 2.10 12.02 5364.71 2111.84 Average: 25.13 1.28 21.49 2.36 63.49 4710.57 10340.02 06:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:18 9873028 13486260 2471040 15.09 152448 3557124 2694912 15.47 694332 5390600 22288 06:50:18 8807512 12981688 2971208 18.15 183836 4041560 3148988 18.08 847776 6249944 20820 07:00:18 10079456 15372012 575468 3.51 204688 5073288 1104560 6.34 912168 4823596 48 Average: 9586665 13946653 2005905 12.25 180324 4223991 2316153 13.29 818092 5488047 14385 06:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:18 lo 548.96 548.96 522.76 522.76 0.00 0.00 0.00 0.00 06:40:18 ens3 101.07 79.75 844.38 19.03 0.00 0.00 0.00 0.00 06:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:18 lo 1564.13 1564.13 1490.61 1490.61 0.00 0.00 0.00 0.00 06:50:18 ens3 37.08 30.53 118.83 10.84 0.00 0.00 0.00 0.00 06:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:18 lo 10.58 10.58 2.47 2.47 0.00 0.00 0.00 0.00 07:00:18 ens3 57.22 57.98 112.29 202.60 0.00 0.00 0.00 0.00 07:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 707.74 707.74 671.80 671.80 0.00 0.00 0.00 0.00 Average: ens3 65.16 56.11 359.02 77.43 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-54418) 03/31/26 _x86_64_ (4 CPU) 06:28:29 LINUX RESTART (4 CPU) 06:30:15 CPU %user %nice %system %iowait %steal %idle 06:40:18 all 55.11 0.00 1.88 0.08 0.10 42.84 06:40:18 0 53.15 0.00 1.87 0.09 0.09 44.80 06:40:18 1 56.37 0.00 1.74 0.07 0.10 41.73 06:40:18 2 54.86 0.00 2.10 0.09 0.10 42.85 06:40:18 3 56.07 0.00 1.81 0.06 0.10 41.96 06:50:18 all 58.61 0.00 2.43 0.05 0.11 38.80 06:50:18 0 59.44 0.00 2.48 0.05 0.11 37.92 06:50:18 1 56.95 0.00 2.45 0.07 0.10 40.42 06:50:18 2 59.99 0.00 2.39 0.05 0.11 37.46 06:50:18 3 58.06 0.00 2.39 0.04 0.10 39.40 07:00:18 all 38.20 0.00 1.22 0.04 0.07 60.47 07:00:18 0 40.61 0.00 1.52 0.08 0.07 57.71 07:00:18 1 40.29 0.00 1.17 0.04 0.07 58.43 07:00:18 2 36.80 0.00 1.09 0.01 0.08 62.03 07:00:18 3 35.11 0.00 1.09 0.03 0.07 63.71 Average: all 50.64 0.00 1.84 0.06 0.09 47.38 Average: 0 51.06 0.00 1.96 0.07 0.09 46.82 Average: 1 51.20 0.00 1.78 0.06 0.09 46.87 Average: 2 50.55 0.00 1.86 0.05 0.09 47.45 Average: 3 49.74 0.00 1.76 0.04 0.09 48.37