---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47038 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 730 9329 4 5929 14915 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:fe:1d:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83964sec preferred_lft 83964sec inet6 fe80::f816:3eff:fefe:1dee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:7a:34:0f:3e:ea 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-47038) 09/03/26 _x86_64_ (4 CPU) 06:26:34 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 18.25 2.66 14.36 1.23 168.52 4404.26 15990.56 06:50:39 30.00 0.13 26.72 3.15 6.47 2735.97 19603.63 07:00:01 18.22 0.03 16.03 2.16 0.41 5404.27 3496.35 Average: 22.40 0.94 19.26 2.20 58.60 4125.64 13367.38 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9638176 13417384 2539084 15.51 152572 3727188 2881212 16.54 647284 5680804 51068 06:50:39 8561472 12995396 2956120 18.05 182436 4306204 3169352 18.19 814576 6531096 187120 07:00:01 7737904 13192748 2753540 16.82 201384 5254920 2921536 16.77 1040428 7068340 18084 Average: 8645851 13201843 2749581 16.79 178797 4429437 2990700 17.17 834096 6426747 85424 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 714.18 714.18 681.41 681.41 0.00 0.00 0.00 0.00 06:40:01 ens3 134.41 100.44 1148.80 16.38 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:39 lo 1949.63 1949.63 1859.84 1859.84 0.00 0.00 0.00 0.00 06:50:39 ens3 43.22 34.75 201.89 12.03 0.00 0.00 0.00 0.00 06:50:39 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 340.20 340.20 323.18 323.18 0.00 0.00 0.00 0.00 07:00:01 ens3 36.42 31.04 115.34 12.15 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1035.03 1035.03 986.98 986.98 0.00 0.00 0.00 0.00 Average: ens3 71.49 55.49 490.48 13.52 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-47038) 09/03/26 _x86_64_ (4 CPU) 06:26:34 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 33.09 0.00 1.52 0.14 0.01 65.23 06:40:01 0 32.55 0.00 1.70 0.11 0.02 65.63 06:40:01 1 33.06 0.00 1.21 0.09 0.01 65.61 06:40:01 2 34.85 0.00 1.84 0.12 0.02 63.18 06:40:01 3 31.92 0.00 1.35 0.26 0.01 66.47 06:50:39 all 54.38 0.00 2.64 0.24 0.03 42.71 06:50:39 0 53.70 0.00 2.71 0.23 0.03 43.32 06:50:39 1 53.99 0.00 2.40 0.27 0.03 43.30 06:50:39 2 55.45 0.00 2.75 0.22 0.03 41.56 06:50:39 3 54.38 0.00 2.71 0.22 0.04 42.65 07:00:01 all 55.46 0.00 2.10 0.12 0.04 42.29 07:00:01 0 57.21 0.00 1.89 0.04 0.03 40.83 07:00:01 1 54.29 0.00 2.23 0.18 0.04 43.27 07:00:01 2 55.41 0.00 2.36 0.19 0.04 42.01 07:00:01 3 54.92 0.00 1.93 0.05 0.04 43.06 Average: all 47.61 0.00 2.10 0.17 0.03 50.09 Average: 0 47.74 0.00 2.12 0.13 0.03 49.98 Average: 1 47.10 0.00 1.95 0.19 0.03 50.74 Average: 2 48.57 0.00 2.32 0.17 0.03 48.91 Average: 3 47.05 0.00 2.01 0.18 0.03 50.73