---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27610 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 11G 67G 14% / 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 669 10231 4 5088 14977 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:3e:92:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83978sec preferred_lft 83978sec inet6 fe80::f816:3eff:fe3e:9233/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:40:f5:57:79:68 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-27610) 06/15/26 _x86_64_ (4 CPU) 14:55:30 LINUX RESTART (4 CPU) 15:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:19 4.73 0.25 4.20 0.28 202.37 724.17 154.61 15:20:06 2.69 0.07 2.60 0.02 6.64 147.48 1.27 15:30:01 23.13 0.52 8.60 14.01 19.29 1730.26 241674.14 Average: 10.15 0.28 5.13 4.73 78.06 868.58 79908.58 15:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:19 10497144 13650580 2312008 14.12 115092 3196572 2598604 14.92 544504 4990684 7536 15:20:06 9270508 12460220 3502072 21.39 116784 3228932 3607936 20.71 555256 6180164 7748 15:30:01 8472832 12231584 3726964 22.76 135576 3745452 3856792 22.14 707584 6804968 110616 Average: 9413495 12780795 3180348 19.42 122484 3390319 3354444 19.25 602448 5991939 41967 15:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:19 lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 15:10:19 ens3 40.00 25.13 75.48 3.29 0.00 0.00 0.00 0.00 15:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:06 lo 0.49 0.49 0.37 0.37 0.00 0.00 0.00 0.00 15:20:06 ens3 3.54 3.00 19.75 0.54 0.00 0.00 0.00 0.00 15:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 lo 168.29 168.29 160.06 160.06 0.00 0.00 0.00 0.00 15:30:01 ens3 40.53 30.11 456.06 4.41 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 55.85 55.85 53.02 53.02 0.00 0.00 0.00 0.00 Average: ens3 28.29 19.56 183.06 2.76 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-27610) 06/15/26 _x86_64_ (4 CPU) 14:55:30 LINUX RESTART (4 CPU) 15:00:01 CPU %user %nice %system %iowait %steal %idle 15:10:19 all 29.85 0.00 0.54 0.07 0.06 69.47 15:10:19 0 26.12 0.00 0.58 0.01 0.06 73.23 15:10:19 1 33.27 0.00 0.41 0.02 0.06 66.24 15:10:19 2 28.03 0.00 0.60 0.14 0.06 71.17 15:10:19 3 32.00 0.00 0.56 0.11 0.07 67.26 15:20:06 all 11.21 0.00 0.17 0.02 0.04 88.56 15:20:06 0 8.45 0.00 0.18 0.00 0.04 91.33 15:20:06 1 17.11 0.00 0.20 0.02 0.04 82.64 15:20:06 2 9.88 0.00 0.12 0.05 0.03 89.91 15:20:06 3 9.41 0.00 0.18 0.01 0.03 90.37 15:30:01 all 55.62 0.00 0.89 0.04 0.09 43.36 15:30:01 0 43.81 0.00 1.03 0.03 0.08 55.05 15:30:01 1 49.13 0.00 0.89 0.03 0.09 49.86 15:30:01 2 54.57 0.00 0.69 0.04 0.09 44.61 15:30:01 3 74.98 0.00 0.94 0.07 0.11 23.91 Average: all 32.28 0.00 0.53 0.05 0.06 67.08 Average: 0 26.19 0.00 0.60 0.01 0.06 73.14 Average: 1 33.23 0.00 0.50 0.02 0.06 66.18 Average: 2 30.88 0.00 0.47 0.08 0.06 68.51 Average: 3 38.84 0.00 0.56 0.07 0.07 60.46