---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25629 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 681 10396 4 4911 14965 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:84:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83854sec preferred_lft 83854sec inet6 fe80::f816:3eff:fe4c:84c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:df:4e:4f:ef:d1 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-25629) 06/07/26 _x86_64_ (4 CPU) 09:10:21 LINUX RESTART (4 CPU) 09:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:08 2.14 0.01 2.13 0.01 0.04 36.57 0.56 09:40:08 14.50 2.03 11.37 1.10 130.58 3193.96 2977.24 09:50:08 44.32 1.07 24.71 18.54 35.23 4306.28 239226.38 Average: 20.33 1.04 12.74 6.55 55.31 2513.66 80790.09 09:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:08 12948604 15512904 459876 2.81 101652 2651124 988544 5.67 367100 2717332 88 09:40:08 10028560 13598332 2359356 14.41 143308 3534212 2702392 15.51 622580 5320240 26008 09:50:08 10715568 15385152 564492 3.45 174724 4524160 1103100 6.33 929940 4221508 232 Average: 11230911 14832129 1127908 6.89 139895 3569832 1598012 9.17 639873 4086360 8776 09:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:08 ens3 6.69 5.83 105.13 0.72 0.00 0.00 0.00 0.00 09:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:08 lo 1.35 1.35 0.14 0.14 0.00 0.00 0.00 0.00 09:40:08 ens3 108.46 83.30 585.85 26.93 0.00 0.00 0.00 0.00 09:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:08 lo 1627.37 1627.37 1544.20 1544.20 0.00 0.00 0.00 0.00 09:50:08 ens3 96.30 81.62 428.08 85.89 0.00 0.00 0.00 0.00 09:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 543.32 543.32 515.14 515.14 0.00 0.00 0.00 0.00 Average: ens3 70.52 56.94 373.15 37.87 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-25629) 06/07/26 _x86_64_ (4 CPU) 09:10:21 LINUX RESTART (4 CPU) 09:20:10 CPU %user %nice %system %iowait %steal %idle 09:30:08 all 0.16 0.00 0.04 0.01 0.02 99.76 09:30:08 0 0.08 0.00 0.06 0.00 0.02 99.84 09:30:08 1 0.26 0.00 0.03 0.01 0.02 99.69 09:30:08 2 0.24 0.00 0.07 0.00 0.02 99.67 09:30:08 3 0.05 0.00 0.02 0.04 0.03 99.86 09:40:08 all 70.70 0.00 2.23 0.05 0.08 26.94 09:40:08 0 70.44 0.00 2.26 0.03 0.08 27.18 09:40:08 1 74.28 0.00 2.25 0.08 0.08 23.31 09:40:08 2 68.01 0.00 2.14 0.05 0.08 29.72 09:40:08 3 70.06 0.00 2.27 0.04 0.08 27.55 09:50:08 all 57.90 0.00 2.44 0.11 0.08 39.47 09:50:08 0 54.37 0.00 2.16 0.14 0.08 43.25 09:50:08 1 60.08 0.00 2.82 0.11 0.08 36.91 09:50:08 2 58.43 0.00 2.36 0.13 0.08 39.00 09:50:08 3 58.71 0.00 2.44 0.04 0.08 38.74 Average: all 42.90 0.00 1.57 0.06 0.06 55.41 Average: 0 41.62 0.00 1.49 0.06 0.06 56.77 Average: 1 44.83 0.00 1.70 0.07 0.06 53.35 Average: 2 42.19 0.00 1.52 0.06 0.06 56.17 Average: 3 42.97 0.00 1.58 0.04 0.06 55.35