---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9898 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 nrip_save 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 67G 15% / 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 660 9558 4 5770 14986 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:4b:8e:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84142sec preferred_lft 84142sec inet6 fe80::f816:3eff:fe4b:8ef7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:4f:a9:1d:e2:9c 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-9898) 04/30/26 _x86_64_ (4 CPU) 10:56:26 LINUX RESTART (4 CPU) 11:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:01 39.37 4.42 34.30 0.65 262.16 3426.95 1910.02 11:20:00 20.06 0.32 16.43 3.31 13.12 2447.42 84790.52 11:30:00 25.37 0.16 21.43 3.79 4.67 1899.70 25752.14 Average: 28.28 1.64 24.06 2.58 93.51 2592.13 37419.37 11:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:01 10996708 14100092 1863108 11.38 106936 3147816 2256840 12.95 573696 4439020 354664 11:20:00 9495792 12904128 3055644 18.66 126900 3406836 3166760 18.18 664664 5818224 980 11:30:00 9005888 12865556 3090580 18.88 147080 3809992 2975524 17.08 801816 6123480 81196 Average: 9832796 13289925 2669777 16.31 126972 3454881 2799708 16.07 680059 5460241 145613 11:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:01 lo 0.39 0.39 0.05 0.05 0.00 0.00 0.00 0.00 11:10:01 ens3 84.46 64.04 873.75 11.28 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:00 lo 32.11 32.11 7.39 7.39 0.00 0.00 0.00 0.00 11:20:00 ens3 15.97 13.29 40.25 4.26 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:00 lo 1514.09 1514.09 1421.66 1421.66 0.00 0.00 0.00 0.00 11:30:00 ens3 41.56 32.20 330.74 6.18 0.00 0.00 0.00 0.00 11:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 515.50 515.50 476.36 476.36 0.00 0.00 0.00 0.00 Average: ens3 47.38 36.55 415.57 7.25 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-9898) 04/30/26 _x86_64_ (4 CPU) 10:56:26 LINUX RESTART (4 CPU) 11:00:00 CPU %user %nice %system %iowait %steal %idle 11:10:01 all 10.35 0.00 0.66 0.30 0.03 88.66 11:10:01 0 9.48 0.00 0.76 0.13 0.03 89.61 11:10:01 1 12.53 0.00 0.60 0.09 0.03 86.76 11:10:01 2 11.00 0.00 0.70 0.13 0.03 88.13 11:10:01 3 8.40 0.00 0.58 0.84 0.02 90.15 11:20:00 all 32.46 0.00 1.10 0.12 0.08 66.24 11:20:00 0 32.24 0.00 0.93 0.13 0.08 66.61 11:20:00 1 31.98 0.00 1.17 0.08 0.08 66.68 11:20:00 2 32.18 0.00 0.95 0.08 0.08 66.71 11:20:00 3 33.43 0.00 1.34 0.20 0.08 64.95 11:30:00 all 38.41 0.00 1.89 0.08 0.08 59.54 11:30:00 0 38.74 0.00 1.85 0.14 0.08 59.18 11:30:00 1 40.01 0.00 1.85 0.04 0.09 58.01 11:30:00 2 38.43 0.00 1.71 0.07 0.08 59.71 11:30:00 3 36.45 0.00 2.14 0.05 0.08 61.28 Average: all 27.03 0.00 1.21 0.17 0.07 71.52 Average: 0 26.79 0.00 1.18 0.13 0.07 71.84 Average: 1 28.12 0.00 1.21 0.07 0.06 70.54 Average: 2 27.18 0.00 1.12 0.09 0.07 71.54 Average: 3 26.05 0.00 1.35 0.37 0.06 72.17