---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41412 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 65G 17% / 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 671 8050 4 7266 14973 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:a0:3b:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83846sec preferred_lft 83846sec inet6 fe80::f816:3eff:fea0:3b7f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:0c:59:d0:60:a9 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41412) 08/27/26 _x86_64_ (4 CPU) 07:53:48 LINUX RESTART (4 CPU) 08:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:06 28.00 1.00 23.93 3.08 43.90 3557.37 6495.73 08:20:16 34.10 0.02 30.52 3.57 0.54 2618.55 16998.99 08:30:16 5.05 0.03 4.80 0.23 0.61 2874.70 3394.02 Average: 22.45 0.35 19.81 2.30 14.96 3015.07 9002.97 08:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:06 8530628 12372708 3583488 21.89 145768 3804404 3591268 20.61 765744 6671200 3036 08:20:16 8541968 12864160 3088504 18.86 174904 4220352 3070676 17.63 902164 6483856 31268 08:30:16 6582696 12841924 3104604 18.96 181020 6089344 3100152 17.79 1564464 7714648 1214896 Average: 7885097 12692931 3258865 19.90 167231 4704700 3254032 18.68 1077457 6956568 416400 08:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:06 lo 1537.54 1537.54 1458.98 1458.98 0.00 0.00 0.00 0.00 08:10:06 ens3 78.58 60.61 504.63 16.10 0.00 0.00 0.00 0.00 08:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:16 lo 1534.17 1534.17 1462.07 1462.07 0.00 0.00 0.00 0.00 08:20:16 ens3 34.89 28.18 30.54 12.32 0.00 0.00 0.00 0.00 08:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:16 lo 2547.83 2547.83 9292.37 9292.37 0.00 0.00 0.00 0.00 08:30:16 ens3 14.24 11.42 94.05 3.63 0.00 0.00 0.00 0.00 08:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1871.30 1871.30 4056.68 4056.68 0.00 0.00 0.00 0.00 Average: ens3 42.54 33.39 208.95 10.69 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41412) 08/27/26 _x86_64_ (4 CPU) 07:53:48 LINUX RESTART (4 CPU) 08:00:06 CPU %user %nice %system %iowait %steal %idle 08:10:06 all 66.36 0.00 2.69 0.12 0.03 30.79 08:10:06 0 65.65 0.00 2.65 0.15 0.03 31.52 08:10:06 1 67.22 0.00 2.90 0.08 0.04 29.77 08:10:06 2 66.38 0.00 2.59 0.09 0.03 30.92 08:10:06 3 66.20 0.00 2.64 0.18 0.03 30.96 08:20:16 all 62.73 0.00 2.82 0.08 0.03 34.33 08:20:16 0 61.73 0.00 2.94 0.09 0.03 35.22 08:20:16 1 63.20 0.00 2.68 0.05 0.03 34.04 08:20:16 2 63.01 0.00 2.66 0.09 0.03 34.21 08:20:16 3 63.00 0.00 3.00 0.11 0.03 33.87 08:30:16 all 31.03 0.00 1.38 0.04 0.02 67.53 08:30:16 0 29.39 0.00 1.78 0.06 0.03 68.74 08:30:16 1 31.61 0.00 1.07 0.02 0.02 67.28 08:30:16 2 31.34 0.00 1.20 0.04 0.03 67.40 08:30:16 3 31.79 0.00 1.46 0.03 0.03 66.70 Average: all 53.42 0.00 2.30 0.08 0.03 44.17 Average: 0 52.32 0.00 2.46 0.10 0.03 45.10 Average: 1 54.05 0.00 2.22 0.05 0.03 43.65 Average: 2 53.62 0.00 2.15 0.07 0.03 44.12 Average: 3 53.71 0.00 2.37 0.11 0.03 43.79