---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25609 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 12G 66G 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 664 8773 4 6550 14982 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:c6:2b:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84261sec preferred_lft 84261sec inet6 fe80::f816:3eff:fec6:2be4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:68:7f:b8:64:40 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-25609) 03/02/26 _x86_64_ (4 CPU) 17:28:29 LINUX RESTART (4 CPU) 17:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:17 26.32 4.02 20.62 1.68 573.49 4243.75 9945.81 17:50:17 25.34 0.08 22.45 2.81 7.31 2153.89 11110.55 18:00:01 33.79 0.16 30.13 3.50 6.88 9735.12 11255.53 Average: 28.41 1.45 24.31 2.65 201.01 5327.07 10758.79 17:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:17 10123344 13548820 2412604 14.74 124948 3451240 2659524 15.27 714536 5173600 116412 17:50:17 8776724 12699632 3257340 19.89 145980 3886720 3312864 19.02 871476 6315660 202888 18:00:01 9034340 15380936 567692 3.47 175856 6192568 1120844 6.43 1734712 5095144 29296 Average: 9311469 13876463 2079212 12.70 148928 4510176 2364411 13.57 1106908 5528135 116199 17:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:17 lo 614.51 614.51 585.26 585.26 0.00 0.00 0.00 0.00 17:40:17 ens3 104.56 80.43 1119.57 13.20 0.00 0.00 0.00 0.00 17:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:17 lo 1315.06 1315.06 1245.71 1245.71 0.00 0.00 0.00 0.00 17:50:17 ens3 25.22 22.01 18.22 7.43 0.00 0.00 0.00 0.00 17:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 lo 924.47 924.47 877.61 877.61 0.00 0.00 0.00 0.00 18:00:01 ens3 51.21 44.50 154.10 25.70 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 948.60 948.60 900.27 900.27 0.00 0.00 0.00 0.00 Average: ens3 60.81 49.30 439.33 15.33 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-25609) 03/02/26 _x86_64_ (4 CPU) 17:28:29 LINUX RESTART (4 CPU) 17:30:01 CPU %user %nice %system %iowait %steal %idle 17:40:17 all 24.27 0.00 1.25 0.48 0.07 73.94 17:40:17 0 24.05 0.00 1.23 0.05 0.07 74.60 17:40:17 1 23.60 0.00 1.32 0.24 0.08 74.77 17:40:17 2 23.70 0.00 1.20 1.51 0.06 73.53 17:40:17 3 25.74 0.00 1.24 0.10 0.06 72.86 17:50:17 all 59.59 0.00 2.31 1.73 0.11 36.25 17:50:17 0 60.22 0.00 2.61 2.01 0.11 35.05 17:50:17 1 59.73 0.00 2.16 1.24 0.11 36.75 17:50:17 2 60.31 0.00 2.15 1.40 0.12 36.01 17:50:17 3 58.09 0.00 2.33 2.27 0.11 37.20 18:00:01 all 56.40 0.00 2.37 0.55 0.11 40.57 18:00:01 0 58.37 0.00 2.31 0.22 0.10 39.00 18:00:01 1 55.82 0.00 2.18 0.66 0.12 41.22 18:00:01 2 55.67 0.00 2.42 1.12 0.10 40.69 18:00:01 3 55.74 0.00 2.58 0.22 0.10 41.36 Average: all 46.43 0.00 1.97 0.92 0.10 50.59 Average: 0 47.21 0.00 2.04 0.76 0.09 49.89 Average: 1 46.06 0.00 1.88 0.71 0.10 51.25 Average: 2 46.23 0.00 1.91 1.35 0.09 50.42 Average: 3 46.22 0.00 2.03 0.86 0.09 50.79