---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32320 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 68G 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 690 10481 4 4817 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:dd:97:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84515sec preferred_lft 84515sec inet6 fe80::f816:3eff:fedd:975a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:5c:f0:e3:67:fc 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-32320) 07/02/26 _x86_64_ (4 CPU) 09:12:21 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:04 13.76 2.02 10.73 1.00 129.90 2997.17 2449.88 09:40:04 30.87 1.06 25.37 4.44 35.01 4476.38 11861.66 Average: 22.29 1.54 18.03 2.72 82.57 3734.94 7144.07 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:04 10255784 13686676 2272244 13.88 140472 3403720 2651980 15.22 579176 5150048 38956 09:40:04 10808888 15382592 568508 3.47 175396 4429060 1106956 6.35 898208 4167776 808 Average: 10532336 14534634 1420376 8.68 157934 3916390 1879468 10.79 738692 4658912 19882 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:04 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 09:30:04 ens3 104.54 80.96 585.25 19.57 0.00 0.00 0.00 0.00 09:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:04 lo 1715.54 1715.54 1632.51 1632.51 0.00 0.00 0.00 0.00 09:40:04 ens3 106.80 80.95 436.26 68.71 0.00 0.00 0.00 0.00 09:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 856.28 856.28 814.29 814.29 0.00 0.00 0.00 0.00 Average: ens3 105.67 80.95 510.94 44.08 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-32320) 07/02/26 _x86_64_ (4 CPU) 09:12:21 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:04 all 67.97 0.00 2.33 0.04 0.09 29.57 09:30:04 0 68.76 0.00 1.96 0.04 0.09 29.14 09:30:04 1 65.99 0.00 2.40 0.06 0.09 31.46 09:30:04 2 69.25 0.00 2.81 0.02 0.09 27.82 09:30:04 3 67.88 0.00 2.13 0.05 0.09 29.85 09:40:04 all 62.94 0.00 2.62 0.12 0.09 34.24 09:40:04 0 61.58 0.00 2.32 0.07 0.09 35.95 09:40:04 1 63.67 0.00 2.79 0.09 0.08 33.36 09:40:04 2 60.31 0.00 2.63 0.24 0.09 36.72 09:40:04 3 66.19 0.00 2.74 0.07 0.09 30.91 Average: all 65.46 0.00 2.47 0.08 0.09 31.90 Average: 0 65.18 0.00 2.14 0.06 0.09 32.54 Average: 1 64.83 0.00 2.59 0.08 0.09 32.41 Average: 2 64.79 0.00 2.72 0.13 0.09 32.26 Average: 3 67.04 0.00 2.43 0.06 0.09 30.38