---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11066 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: 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 13G 65G 16% / 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 654 8392 4 6942 14991 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:79:ec:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84071sec preferred_lft 84071sec inet6 fe80::f816:3eff:fe79:ec75/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:d1:50:08:b5:08 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-11066) 05/05/26 _x86_64_ (4 CPU) 08:44:28 LINUX RESTART (4 CPU) 08:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:04 29.39 1.02 25.24 3.13 41.81 3534.81 5421.71 09:10:19 46.95 0.02 29.84 17.09 0.36 2661.51 241859.83 09:20:12 13.36 0.32 11.55 1.49 12.14 9646.73 52781.15 Average: 30.09 0.45 22.32 7.33 18.03 5240.67 101137.36 08:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:04 9007340 12748888 3209116 19.60 142428 3709676 3327384 19.10 713452 6257932 196592 09:10:19 8806452 12860564 3094608 18.90 163608 3975012 3250296 18.66 832992 6304248 50924 09:20:12 8610188 15358404 588068 3.59 180444 6566968 1094752 6.28 1756808 5451708 21292 Average: 8807993 13655952 2297264 14.03 162160 4750552 2557477 14.68 1101084 6004629 89603 08:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:04 lo 1600.06 1600.06 1518.63 1518.63 0.00 0.00 0.00 0.00 09:00:04 ens3 71.92 54.85 322.96 15.48 0.00 0.00 0.00 0.00 09:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:19 lo 1488.54 1488.54 1418.30 1418.30 0.00 0.00 0.00 0.00 09:10:19 ens3 43.97 34.61 49.95 12.11 0.00 0.00 0.00 0.00 09:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:12 lo 2487.90 2487.90 9397.18 9397.18 0.00 0.00 0.00 0.00 09:20:12 ens3 46.06 48.99 134.58 532.59 0.00 0.00 0.00 0.00 09:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1853.06 1853.06 4065.38 4065.38 0.00 0.00 0.00 0.00 Average: ens3 53.97 46.07 168.64 183.73 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-11066) 05/05/26 _x86_64_ (4 CPU) 08:44:28 LINUX RESTART (4 CPU) 08:50:01 CPU %user %nice %system %iowait %steal %idle 09:00:04 all 68.40 0.00 2.51 0.05 0.09 28.95 09:00:04 0 66.83 0.00 2.36 0.06 0.09 30.66 09:00:04 1 68.45 0.00 2.71 0.05 0.09 28.70 09:00:04 2 69.23 0.00 2.61 0.04 0.09 28.03 09:00:04 3 69.09 0.00 2.37 0.07 0.09 28.39 09:10:19 all 64.63 0.00 2.57 0.07 0.09 32.64 09:10:19 0 64.25 0.00 2.76 0.10 0.09 32.81 09:10:19 1 66.51 0.00 2.54 0.07 0.09 30.79 09:10:19 2 64.69 0.00 2.51 0.08 0.09 32.64 09:10:19 3 63.07 0.00 2.47 0.04 0.09 34.32 09:20:12 all 37.68 0.00 1.40 0.19 0.08 60.66 09:20:12 0 36.27 0.00 1.12 0.01 0.07 62.52 09:20:12 1 32.16 0.00 1.54 0.35 0.08 65.87 09:20:12 2 39.68 0.00 1.52 0.31 0.09 58.41 09:20:12 3 42.62 0.00 1.40 0.08 0.08 55.82 Average: all 57.04 0.00 2.17 0.10 0.09 40.61 Average: 0 55.92 0.00 2.09 0.06 0.08 41.85 Average: 1 55.87 0.00 2.27 0.16 0.09 41.62 Average: 2 58.00 0.00 2.22 0.14 0.09 39.55 Average: 3 58.36 0.00 2.09 0.06 0.08 39.40