---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-309 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 688 10480 4 4820 14958 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:4c:65:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83882sec preferred_lft 83882sec inet6 fe80::f816:3eff:fe4c:653c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:4e:e5:5b:31:ea 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-309) 07/29/26 _x86_64_ (4 CPU) 09:10:26 LINUX RESTART (4 CPU) 09:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 8.61 1.94 6.45 0.22 124.84 1642.71 812.01 09:40:05 10.51 0.45 9.01 1.05 17.48 2123.01 2776.96 09:50:05 27.52 0.56 22.73 4.24 22.04 3757.29 6105.44 Average: 15.55 0.98 12.73 1.84 54.57 2508.65 3235.48 09:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10962204 13972748 1990100 12.15 117660 3045720 2347984 13.48 487968 4579332 33368 09:40:05 9821320 13455400 2501604 15.28 147144 3578208 2782388 15.97 647352 5492172 30104 09:50:05 10804644 15380892 569780 3.48 174508 4432080 1094924 6.28 899596 4165684 232 Average: 10529389 14269680 1687161 10.30 146437 3685336 2075099 11.91 678305 4745729 21235 09:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 09:30:01 ens3 58.84 47.93 596.65 8.34 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:05 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 09:40:05 ens3 62.48 51.21 101.90 17.52 0.00 0.00 0.00 0.00 09:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:05 lo 1667.16 1667.16 1579.87 1579.87 0.00 0.00 0.00 0.00 09:50:05 ens3 98.52 83.12 408.09 106.15 0.00 0.00 0.00 0.00 09:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 556.33 556.33 526.68 526.68 0.00 0.00 0.00 0.00 Average: ens3 73.29 60.76 367.87 44.02 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-309) 07/29/26 _x86_64_ (4 CPU) 09:10:26 LINUX RESTART (4 CPU) 09:20:05 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 21.00 0.00 0.69 0.05 0.05 78.21 09:30:01 0 20.65 0.00 0.51 0.03 0.05 78.76 09:30:01 1 20.54 0.00 0.76 0.07 0.06 78.58 09:30:01 2 21.64 0.00 0.71 0.01 0.05 77.59 09:30:01 3 21.18 0.00 0.78 0.08 0.05 77.91 09:40:05 all 72.13 0.00 2.30 0.03 0.15 25.39 09:40:05 0 71.65 0.00 2.22 0.02 0.15 25.96 09:40:05 1 74.72 0.00 2.31 0.03 0.15 22.78 09:40:05 2 70.38 0.00 2.30 0.05 0.15 27.12 09:40:05 3 71.77 0.00 2.37 0.02 0.15 25.69 09:50:05 all 49.31 0.00 2.34 0.17 0.12 48.06 09:50:05 0 46.64 0.00 2.52 0.26 0.11 50.46 09:50:05 1 52.16 0.00 2.34 0.17 0.13 45.20 09:50:05 2 51.26 0.00 2.55 0.11 0.12 45.96 09:50:05 3 47.19 0.00 1.94 0.16 0.12 50.59 Average: all 47.56 0.00 1.78 0.08 0.11 50.47 Average: 0 46.39 0.00 1.75 0.10 0.10 51.64 Average: 1 49.24 0.00 1.80 0.09 0.11 48.75 Average: 2 47.81 0.00 1.85 0.06 0.11 50.18 Average: 3 46.81 0.00 1.70 0.09 0.11 51.30