---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47161 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 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 683 9056 4 6248 14962 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:d2:14:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84239sec preferred_lft 84239sec inet6 fe80::f816:3eff:fed2:142f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:f3:37:6c:f4:c5 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-47161) 09/03/26 _x86_64_ (4 CPU) 11:45:05 LINUX RESTART (4 CPU) 11:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:01 27.56 2.65 21.56 3.35 172.95 4202.89 58959.65 12:10:06 19.51 0.15 16.76 2.60 4.99 1637.14 22615.56 12:20:06 24.20 0.31 20.87 3.02 15.04 7084.59 7049.76 Average: 23.73 1.03 19.71 2.99 63.77 4299.75 29421.92 11:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:01 9561936 13343056 2613400 15.96 139712 3748668 3190116 18.31 703232 5706408 33004 12:10:06 8833724 12960120 2992676 18.28 158388 4048444 3201716 18.38 821956 6280960 12880 12:20:06 9294468 15339964 604332 3.69 181868 5862244 1148424 6.59 1617520 4927576 11672 Average: 9230043 13881047 2070136 12.64 159989 4553119 2513419 14.43 1047569 5638315 19185 11:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:01 lo 18.54 18.54 4.01 4.01 0.00 0.00 0.00 0.00 12:00:01 ens3 91.58 67.20 827.05 11.42 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:06 lo 1036.11 1036.11 955.65 955.65 0.00 0.00 0.00 0.00 12:10:06 ens3 38.27 29.07 249.66 6.22 0.00 0.00 0.00 0.00 12:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:06 lo 1450.08 1450.08 1400.92 1400.92 0.00 0.00 0.00 0.00 12:20:06 ens3 111.94 114.47 275.67 933.93 0.00 0.00 0.00 0.00 12:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 838.26 838.26 790.00 790.00 0.00 0.00 0.00 0.00 Average: ens3 80.42 70.12 448.89 317.18 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-47161) 09/03/26 _x86_64_ (4 CPU) 11:45:05 LINUX RESTART (4 CPU) 11:50:06 CPU %user %nice %system %iowait %steal %idle 12:00:01 all 38.26 0.00 1.67 0.20 0.02 59.85 12:00:01 0 38.78 0.00 1.80 0.10 0.02 59.30 12:00:01 1 40.03 0.00 1.85 0.24 0.02 57.87 12:00:01 2 36.57 0.00 1.52 0.18 0.02 61.71 12:00:01 3 37.68 0.00 1.51 0.27 0.02 60.53 12:10:06 all 24.38 0.00 1.59 0.11 0.03 73.90 12:10:06 0 23.64 0.00 1.62 0.08 0.03 74.63 12:10:06 1 24.94 0.00 1.73 0.06 0.02 73.25 12:10:06 2 24.47 0.00 1.69 0.25 0.03 73.56 12:10:06 3 24.45 0.00 1.31 0.07 0.03 74.14 12:20:06 all 36.50 0.00 2.17 0.14 0.02 61.17 12:20:06 0 33.87 0.00 2.03 0.07 0.02 64.00 12:20:06 1 35.53 0.00 1.86 0.14 0.03 62.44 12:20:06 2 34.87 0.00 2.42 0.05 0.03 62.65 12:20:06 3 41.74 0.00 2.36 0.30 0.02 55.58 Average: all 33.00 0.00 1.81 0.15 0.02 65.02 Average: 0 32.05 0.00 1.82 0.08 0.02 66.03 Average: 1 33.45 0.00 1.81 0.14 0.02 64.57 Average: 2 31.93 0.00 1.87 0.16 0.03 66.02 Average: 3 34.58 0.00 1.72 0.21 0.02 63.46