---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26011 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 12G 66G 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 676 9295 4 6017 14970 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:08:6a:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84508sec preferred_lft 84508sec inet6 fe80::f816:3eff:fe08:6aec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:6a:42:9e:40:01 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-26011) 03/03/26 _x86_64_ (4 CPU) 13:19:31 LINUX RESTART (4 CPU) 13:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:01 66.02 10.70 51.42 3.90 1592.43 6503.57 60148.56 13:40:14 8.72 0.02 7.27 1.43 0.84 657.74 25124.45 13:50:06 35.44 0.41 30.37 4.66 13.91 8233.71 4236.33 Average: 36.57 3.71 29.56 3.31 535.35 5089.73 29942.29 13:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:01 9614888 13092208 2866344 17.51 128468 3477536 3086044 17.71 726348 5645176 3944 13:40:14 9610828 13461224 2494824 15.24 143692 3807260 2713256 15.57 781000 5556424 202888 13:50:06 9607708 15412400 532960 3.26 174400 5642588 1050828 6.03 1657904 4574632 1576 Average: 9611141 13988611 1964709 12.00 148853 4309128 2283376 13.11 1055084 5258744 69469 13:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:01 lo 11.82 11.82 2.67 2.67 0.00 0.00 0.00 0.00 13:30:01 ens3 129.99 97.55 1072.07 20.00 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:14 lo 53.00 53.00 13.43 13.43 0.00 0.00 0.00 0.00 13:40:14 ens3 25.00 17.29 219.81 3.51 0.00 0.00 0.00 0.00 13:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:06 lo 2306.63 2306.63 2220.85 2220.85 0.00 0.00 0.00 0.00 13:50:06 ens3 111.26 111.54 267.41 938.10 0.00 0.00 0.00 0.00 13:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 778.35 778.35 733.75 733.75 0.00 0.00 0.00 0.00 Average: ens3 88.26 74.94 519.34 315.50 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-26011) 03/03/26 _x86_64_ (4 CPU) 13:19:31 LINUX RESTART (4 CPU) 13:20:00 CPU %user %nice %system %iowait %steal %idle 13:30:01 all 34.40 0.00 1.57 0.91 0.10 63.02 13:30:01 0 33.93 0.00 1.87 0.65 0.10 63.45 13:30:01 1 34.45 0.00 1.36 1.18 0.10 62.90 13:30:01 2 35.59 0.00 1.38 1.12 0.10 61.81 13:30:01 3 33.63 0.00 1.67 0.67 0.09 63.93 13:40:14 all 18.77 0.00 0.87 0.05 0.10 80.21 13:40:14 0 19.10 0.00 0.98 0.04 0.09 79.78 13:40:14 1 17.83 0.00 0.92 0.08 0.11 81.06 13:40:14 2 19.50 0.00 0.76 0.06 0.10 79.58 13:40:14 3 18.66 0.00 0.81 0.03 0.10 80.40 13:50:06 all 51.40 0.00 2.67 0.26 0.09 45.58 13:50:06 0 50.74 0.00 2.10 0.11 0.08 46.97 13:50:06 1 53.39 0.00 3.26 0.16 0.08 43.10 13:50:06 2 50.41 0.00 2.62 0.21 0.09 46.67 13:50:06 3 51.06 0.00 2.71 0.58 0.09 45.57 Average: all 34.68 0.00 1.69 0.41 0.10 63.12 Average: 0 34.42 0.00 1.65 0.27 0.09 63.58 Average: 1 35.04 0.00 1.84 0.47 0.10 62.55 Average: 2 34.99 0.00 1.58 0.46 0.10 62.87 Average: 3 34.27 0.00 1.72 0.42 0.10 63.50