---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6256 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 13G 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 654 8739 4 6595 14991 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:8e:6f:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84001sec preferred_lft 84001sec inet6 fe80::f816:3eff:fe8e:6f59/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:c1:93:7f:aa:b2 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-6256) 09/09/26 _x86_64_ (4 CPU) 05:23:41 LINUX RESTART (4 CPU) 05:30:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 35.21 0.07 18.69 16.45 6.73 2053.40 255042.08 05:50:22 30.03 0.04 26.92 3.07 0.97 4253.25 25574.38 06:00:05 10.10 0.16 8.99 0.95 10.64 5756.81 39117.80 Average: 25.20 0.09 18.39 6.72 6.00 4029.78 104563.21 05:30:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 8418580 12407640 3547428 21.67 146636 3941304 3595372 20.64 747028 6785376 183652 05:50:22 7499432 12328772 3622084 22.12 162340 4728228 3594568 20.63 993408 7414412 344 06:00:05 8992924 15385644 560012 3.42 178812 6223684 1126932 6.47 1590420 5254208 232 Average: 8303645 13374019 2576508 15.74 162596 4964405 2772291 15.91 1110285 6484665 61409 05:30:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1371.61 1371.61 1300.59 1300.59 0.00 0.00 0.00 0.00 05:40:01 ens3 28.72 22.97 24.79 11.01 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:22 lo 1516.33 1516.33 1440.91 1440.91 0.00 0.00 0.00 0.00 05:50:22 ens3 26.78 22.29 37.48 11.20 0.00 0.00 0.00 0.00 05:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:05 lo 373.22 373.22 7046.74 7046.74 0.00 0.00 0.00 0.00 06:00:05 ens3 75.00 75.20 114.74 969.16 0.00 0.00 0.00 0.00 06:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1095.75 1095.75 3227.25 3227.25 0.00 0.00 0.00 0.00 Average: ens3 43.17 39.80 58.60 324.19 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-6256) 09/09/26 _x86_64_ (4 CPU) 05:23:41 LINUX RESTART (4 CPU) 05:30:22 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 59.38 0.00 2.31 0.08 0.03 38.21 05:40:01 0 59.19 0.00 2.21 0.05 0.02 38.53 05:40:01 1 60.55 0.00 2.22 0.05 0.02 37.17 05:40:01 2 59.48 0.00 2.66 0.09 0.03 37.74 05:40:01 3 58.31 0.00 2.13 0.12 0.03 39.41 05:50:22 all 56.60 0.00 2.54 0.13 0.02 40.71 05:50:22 0 54.02 0.00 2.42 0.20 0.02 43.34 05:50:22 1 55.62 0.00 2.48 0.12 0.03 41.76 05:50:22 2 58.30 0.00 2.87 0.06 0.03 38.75 05:50:22 3 58.48 0.00 2.40 0.13 0.03 38.97 06:00:05 all 23.45 0.00 0.90 0.12 0.01 75.52 06:00:05 0 19.70 0.00 1.04 0.01 0.02 79.23 06:00:05 1 19.37 0.00 0.67 0.17 0.01 79.77 06:00:05 2 26.86 0.00 0.83 0.21 0.01 72.09 06:00:05 3 27.89 0.00 1.06 0.08 0.01 70.96 Average: all 46.66 0.00 1.93 0.11 0.02 51.29 Average: 0 44.48 0.00 1.90 0.09 0.02 53.51 Average: 1 45.35 0.00 1.80 0.11 0.02 52.72 Average: 2 48.39 0.00 2.13 0.12 0.02 49.34 Average: 3 48.42 0.00 1.87 0.11 0.02 49.57