---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-61629 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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: 5600.00 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 689 8467 4 6831 14956 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:76:e4:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84160sec preferred_lft 84160sec inet6 fe80::f816:3eff:fe76:e46f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:c3:e1:e6:7f:b5 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-61629) 10/03/26 _x86_64_ (4 CPU) 13:57:34 LINUX RESTART (4 CPU) 14:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:03 35.29 3.00 28.32 3.97 162.83 4804.36 6352.02 14:20:01 33.35 0.01 30.02 3.32 0.39 2571.43 14026.10 14:30:11 5.16 0.02 4.77 0.36 0.41 2850.16 3476.38 Average: 24.47 1.01 20.93 2.53 54.10 3403.78 7925.91 14:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:03 9199460 13001200 2954668 18.05 143412 3771412 3330692 19.12 718828 6057988 24572 14:20:01 7919004 12341048 3610588 22.05 166308 4327840 3664196 21.03 867520 7144476 210412 14:30:11 6608384 12794824 3151508 19.25 177292 6025928 3138292 18.01 1503172 7734700 1218112 Average: 7908949 12712357 3238921 19.78 162337 4708393 3377727 19.39 1029840 6979055 484365 14:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:03 lo 1555.88 1555.88 1478.29 1478.29 0.00 0.00 0.00 0.00 14:10:03 ens3 130.78 101.45 798.76 20.14 0.00 0.00 0.00 0.00 14:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 1506.04 1506.04 1436.30 1436.30 0.00 0.00 0.00 0.00 14:20:01 ens3 37.92 28.82 25.73 10.94 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:11 lo 2497.73 2497.73 9143.69 9143.69 0.00 0.00 0.00 0.00 14:30:11 ens3 19.45 15.09 97.42 4.07 0.00 0.00 0.00 0.00 14:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1857.46 1857.46 4053.33 4053.33 0.00 0.00 0.00 0.00 Average: ens3 62.38 48.19 305.51 11.66 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-61629) 10/03/26 _x86_64_ (4 CPU) 13:57:34 LINUX RESTART (4 CPU) 14:00:06 CPU %user %nice %system %iowait %steal %idle 14:10:03 all 67.51 0.00 3.03 0.17 0.03 29.27 14:10:03 0 66.61 0.00 2.96 0.13 0.02 30.27 14:10:03 1 67.64 0.00 3.23 0.22 0.02 28.89 14:10:03 2 68.25 0.00 3.09 0.23 0.04 28.40 14:10:03 3 67.52 0.00 2.84 0.10 0.02 29.52 14:20:01 all 61.35 0.00 2.78 0.11 0.02 35.75 14:20:01 0 60.39 0.00 2.72 0.13 0.02 36.74 14:20:01 1 61.82 0.00 2.90 0.08 0.02 35.18 14:20:01 2 62.34 0.00 2.73 0.11 0.02 34.80 14:20:01 3 60.84 0.00 2.77 0.12 0.02 36.25 14:30:11 all 31.67 0.00 1.38 0.05 0.02 66.88 14:30:11 0 25.43 0.00 1.54 0.05 0.01 72.96 14:30:11 1 31.99 0.00 1.59 0.02 0.02 66.38 14:30:11 2 34.04 0.00 1.33 0.05 0.02 64.56 14:30:11 3 35.24 0.00 1.04 0.09 0.02 63.61 Average: all 53.35 0.00 2.39 0.11 0.02 44.13 Average: 0 50.62 0.00 2.40 0.10 0.02 46.86 Average: 1 53.66 0.00 2.57 0.11 0.02 43.64 Average: 2 54.72 0.00 2.38 0.13 0.03 42.75 Average: 3 54.40 0.00 2.21 0.10 0.02 43.27