---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-4437 5.15.0-179-generic #189-Ubuntu SMP Tue May 5 18:20:56 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: 5600.00 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 17G 62G 21% / 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 620 6391 3 8977 15026 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:ea:cf:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.220/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84982sec preferred_lft 84982sec inet6 fe80::f816:3eff:feea:cffc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:29:60:b5:7a:7f 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 5.15.0-179-generic (prd-ubuntu2204-docker-v1-8c-8g-4437) 05/28/26 _x86_64_ (4 CPU) 05:17:46 LINUX RESTART (4 CPU) 05:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:12 37.81 2.42 34.06 1.33 150.91 14830.71 3790.86 05:40:08 261.85 0.75 251.72 9.37 26.46 14761.49 65315.37 Average: 149.40 1.59 142.48 5.33 88.92 14796.23 34435.61 05:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:12 7522084 13698168 2249188 13.74 198664 5963980 2550404 14.64 1148380 7145548 140084 05:40:08 6530352 15366988 557464 3.40 325284 8280392 1119320 6.42 2067868 6977160 72 Average: 7026218 14532578 1403326 8.57 261974 7122186 1834862 10.53 1608124 7061354 70078 05:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:12 lo 0.72 0.72 0.21 0.21 0.00 0.00 0.00 0.00 05:30:12 ens3 190.96 148.58 1621.07 31.94 0.00 0.00 0.00 0.00 05:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:08 lo 12.94 12.94 1.22 1.22 0.00 0.00 0.00 0.00 05:40:08 ens3 94.61 89.56 292.03 224.84 0.00 0.00 0.00 0.00 05:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.81 6.81 0.72 0.72 0.00 0.00 0.00 0.00 Average: ens3 142.97 119.18 959.09 128.02 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 5.15.0-179-generic (prd-ubuntu2204-docker-v1-8c-8g-4437) 05/28/26 _x86_64_ (4 CPU) 05:17:46 LINUX RESTART (4 CPU) 05:20:12 CPU %user %nice %system %iowait %steal %idle 05:30:12 all 36.33 0.00 2.70 0.68 0.08 60.22 05:30:12 0 37.46 0.00 2.84 0.95 0.08 58.67 05:30:12 1 33.77 0.00 2.35 0.97 0.08 62.82 05:30:12 2 39.60 0.00 2.73 0.50 0.08 57.10 05:30:12 3 34.47 0.00 2.88 0.28 0.08 62.29 05:40:08 all 34.23 0.00 3.11 4.04 0.10 58.52 05:40:08 0 27.36 0.00 3.15 2.09 0.08 67.31 05:40:08 1 36.12 0.00 3.33 8.08 0.08 52.39 05:40:08 2 37.51 0.00 2.87 3.57 0.13 55.92 05:40:08 3 35.94 0.00 3.08 2.42 0.09 58.47 Average: all 35.28 0.00 2.90 2.35 0.09 59.38 Average: 0 32.43 0.00 2.99 1.52 0.08 62.98 Average: 1 34.94 0.00 2.84 4.51 0.08 57.63 Average: 2 38.56 0.00 2.80 2.03 0.10 56.51 Average: 3 35.20 0.00 2.98 1.35 0.08 60.39