---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6341 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 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 691 8050 4 7246 14954 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:4a:38:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83512sec preferred_lft 83512sec inet6 fe80::f816:3eff:fe4a:3868/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:5a:5b:0c:54:5c 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-6341) 09/09/26 _x86_64_ (4 CPU) 12:51:25 LINUX RESTART (4 CPU) 13:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:01 20.69 0.03 18.40 2.26 0.28 1932.98 7041.85 13:20:26 30.64 0.04 27.44 3.17 0.95 4277.81 30625.77 13:30:26 8.69 0.01 7.80 0.87 0.51 6300.12 2167.99 Average: 20.15 0.03 18.01 2.11 0.58 4176.32 13531.16 13:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 8140248 12191464 3762812 22.98 149240 3995932 3719336 21.35 762620 7042692 190452 13:20:26 7134664 12036268 3914004 23.91 169256 4788900 3704832 21.27 1021156 7746736 1844 13:30:26 8338096 15338976 604928 3.69 185256 6804048 1144192 6.57 1789780 5689412 341376 Average: 7871003 13188903 2760581 16.86 167917 5196293 2856120 16.39 1191185 6826280 177891 13:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 lo 1677.23 1677.23 1593.15 1593.15 0.00 0.00 0.00 0.00 13:10:01 ens3 20.51 18.00 16.82 9.52 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:26 lo 1238.18 1238.18 1175.45 1175.45 0.00 0.00 0.00 0.00 13:20:26 ens3 22.53 19.61 22.86 10.56 0.00 0.00 0.00 0.00 13:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:26 lo 2529.87 2529.87 9288.18 9288.18 0.00 0.00 0.00 0.00 13:30:26 ens3 19.19 18.16 122.24 4.85 0.00 0.00 0.00 0.00 13:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1807.39 1807.39 3984.50 3984.50 0.00 0.00 0.00 0.00 Average: ens3 20.77 18.61 53.62 8.34 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-6341) 09/09/26 _x86_64_ (4 CPU) 12:51:25 LINUX RESTART (4 CPU) 13:00:04 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 58.95 0.00 2.44 0.06 0.03 38.53 13:10:01 0 59.58 0.00 2.30 0.05 0.03 38.04 13:10:01 1 57.90 0.00 2.61 0.07 0.03 39.39 13:10:01 2 58.34 0.00 2.30 0.02 0.03 39.31 13:10:01 3 59.98 0.00 2.54 0.09 0.03 37.37 13:20:26 all 54.57 0.00 2.53 0.30 0.04 42.56 13:20:26 0 53.04 0.00 2.92 0.18 0.04 43.83 13:20:26 1 55.22 0.00 2.12 0.39 0.03 42.24 13:20:26 2 55.03 0.00 2.61 0.31 0.04 42.02 13:20:26 3 55.02 0.00 2.48 0.32 0.04 42.14 13:30:26 all 31.92 0.00 1.38 0.13 0.03 66.54 13:30:26 0 29.53 0.00 1.25 0.05 0.04 69.14 13:30:26 1 38.34 0.00 1.24 0.11 0.03 60.29 13:30:26 2 24.52 0.00 1.86 0.24 0.03 73.34 13:30:26 3 35.29 0.00 1.18 0.12 0.04 63.38 Average: all 48.54 0.00 2.12 0.16 0.03 49.14 Average: 0 47.43 0.00 2.16 0.09 0.04 50.28 Average: 1 50.53 0.00 1.99 0.19 0.03 47.26 Average: 2 46.06 0.00 2.26 0.19 0.03 51.45 Average: 3 50.13 0.00 2.07 0.18 0.04 47.59