---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-112077 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 647 8846 4 6495 14999 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:81:7e:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84113sec preferred_lft 84113sec inet6 fe80::f816:3eff:fe81:7e51/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:e3:14:8f:53:e6 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-112077) 03/06/26 _x86_64_ (4 CPU) 08:37:32 LINUX RESTART (4 CPU) 08:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:11 23.80 3.00 18.89 1.92 162.98 3482.47 5942.24 09:00:01 40.39 0.02 23.51 16.86 0.38 2202.52 266635.43 09:10:11 21.21 0.02 19.23 1.96 0.34 4044.43 36628.60 Average: 28.35 1.02 20.51 6.81 54.98 3253.77 101483.55 08:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:11 10236004 13553040 2406748 14.70 131652 3325292 2632024 15.11 627784 5133308 28640 09:00:01 8997228 12719876 3236188 19.77 150156 3679084 3375668 19.38 750912 6210120 21684 09:10:11 5505440 10190600 5761368 35.19 162316 4589688 5462892 31.36 1027112 9353260 256 Average: 8246224 12154505 3801435 23.22 148041 3864688 3823528 21.95 801936 6898896 16860 08:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:11 lo 931.82 931.82 886.67 886.67 0.00 0.00 0.00 0.00 08:50:11 ens3 118.33 89.54 1078.37 16.85 0.00 0.00 0.00 0.00 08:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 1446.43 1446.43 1373.64 1373.64 0.00 0.00 0.00 0.00 09:00:01 ens3 38.33 32.46 19.74 11.41 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:11 lo 952.64 952.64 7297.45 7297.45 0.00 0.00 0.00 0.00 09:10:11 ens3 32.04 23.96 21.98 8.61 0.00 0.00 0.00 0.00 09:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1107.01 1107.01 3208.32 3208.32 0.00 0.00 0.00 0.00 Average: ens3 63.08 48.77 376.08 12.29 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-112077) 03/06/26 _x86_64_ (4 CPU) 08:37:32 LINUX RESTART (4 CPU) 08:40:04 CPU %user %nice %system %iowait %steal %idle 08:50:11 all 41.43 0.00 1.63 0.10 0.07 56.77 08:50:11 0 42.86 0.00 1.72 0.04 0.07 55.31 08:50:11 1 42.23 0.00 1.57 0.17 0.07 55.96 08:50:11 2 40.37 0.00 1.53 0.08 0.07 57.94 08:50:11 3 40.26 0.00 1.71 0.11 0.06 57.85 09:00:01 all 67.20 0.00 2.46 0.07 0.09 30.18 09:00:01 0 68.13 0.00 2.52 0.05 0.09 29.21 09:00:01 1 65.67 0.00 2.45 0.05 0.09 31.74 09:00:01 2 68.38 0.00 2.41 0.10 0.09 29.02 09:00:01 3 66.63 0.00 2.44 0.09 0.09 30.76 09:10:11 all 50.10 0.00 1.77 0.10 0.09 47.93 09:10:11 0 50.86 0.00 1.63 0.09 0.09 47.33 09:10:11 1 43.63 0.00 2.08 0.14 0.09 54.05 09:10:11 2 57.52 0.00 1.93 0.06 0.09 40.39 09:10:11 3 48.41 0.00 1.44 0.11 0.08 49.95 Average: all 52.77 0.00 1.95 0.09 0.08 45.11 Average: 0 53.81 0.00 1.95 0.06 0.08 44.10 Average: 1 50.36 0.00 2.03 0.12 0.08 47.41 Average: 2 55.30 0.00 1.96 0.08 0.08 42.58 Average: 3 51.62 0.00 1.86 0.10 0.08 46.34