---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-491703 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 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 656 8734 4 6598 14990 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:4f:cd:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84304sec preferred_lft 84304sec inet6 fe80::f816:3eff:fe4f:cd58/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:61:30:02:b3:42 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-491703) 03/16/26 _x86_64_ (4 CPU) 11:05:56 LINUX RESTART (4 CPU) 11:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:02 24.26 0.32 20.70 3.25 216.43 2738.46 19089.45 11:30:06 29.67 0.01 26.64 3.02 0.17 2977.62 27598.05 11:40:06 14.23 0.10 12.93 1.21 8.59 8729.87 6143.01 Average: 22.73 0.14 20.10 2.49 74.58 4815.85 17629.12 11:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:02 9415832 13076740 2881008 17.60 139120 3641048 3024604 17.36 747328 5821104 33288 11:30:06 8777076 12814036 3140756 19.18 161464 3968668 3072676 17.64 858516 6312956 25148 11:40:06 9005824 15402560 545520 3.33 176416 6236240 1064536 6.11 1678772 5177896 32096 Average: 9066244 13764445 2189095 13.37 159000 4615319 2387272 13.70 1094872 5770652 30177 11:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:02 lo 1412.75 1412.75 1340.29 1340.29 0.00 0.00 0.00 0.00 11:20:02 ens3 37.77 30.67 106.21 8.57 0.00 0.00 0.00 0.00 11:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:06 lo 1402.95 1402.95 1336.98 1336.98 0.00 0.00 0.00 0.00 11:30:06 ens3 23.37 19.76 39.89 5.90 0.00 0.00 0.00 0.00 11:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:06 lo 2604.08 2604.08 9444.67 9444.67 0.00 0.00 0.00 0.00 11:40:06 ens3 34.72 29.25 103.58 32.71 0.00 0.00 0.00 0.00 11:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1806.57 1806.57 4040.64 4040.64 0.00 0.00 0.00 0.00 Average: ens3 31.92 26.53 83.08 15.72 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-491703) 03/16/26 _x86_64_ (4 CPU) 11:05:56 LINUX RESTART (4 CPU) 11:10:06 CPU %user %nice %system %iowait %steal %idle 11:20:02 all 66.14 0.00 2.29 2.67 0.11 28.79 11:20:02 0 64.65 0.00 2.22 4.75 0.11 28.28 11:20:02 1 65.80 0.00 2.57 2.57 0.12 28.94 11:20:02 2 67.93 0.00 2.30 3.04 0.11 26.63 11:20:02 3 66.17 0.00 2.08 0.34 0.11 31.30 11:30:06 all 58.67 0.00 2.47 3.47 0.12 35.27 11:30:06 0 59.56 0.00 2.70 6.51 0.13 31.10 11:30:06 1 59.36 0.00 2.56 1.96 0.12 36.00 11:30:06 2 58.11 0.00 2.36 2.27 0.13 37.14 11:30:06 3 57.64 0.00 2.26 3.13 0.12 36.85 11:40:06 all 37.97 0.00 1.46 2.27 0.09 58.22 11:40:06 0 39.69 0.00 1.52 2.26 0.09 56.44 11:40:06 1 37.01 0.00 1.62 1.81 0.09 59.47 11:40:06 2 37.85 0.00 1.14 1.92 0.08 59.01 11:40:06 3 37.34 0.00 1.55 3.07 0.09 57.95 Average: all 54.23 0.00 2.07 2.80 0.11 40.78 Average: 0 54.62 0.00 2.15 4.51 0.11 38.61 Average: 1 54.03 0.00 2.25 2.11 0.11 41.50 Average: 2 54.59 0.00 1.93 2.41 0.11 40.97 Average: 3 53.69 0.00 1.96 2.18 0.11 42.05