---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8237 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: 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 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 665 8743 4 6580 14981 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:19:17:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84171sec preferred_lft 84171sec inet6 fe80::f816:3eff:fe19:17ab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:73:16:13:71:97 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-8237) 02/06/26 _x86_64_ (4 CPU) 13:39:20 LINUX RESTART (4 CPU) 13:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:01 50.38 5.15 42.73 2.50 680.28 5724.18 8541.58 14:00:10 27.72 0.02 24.43 3.27 0.32 2205.59 12173.79 14:10:10 21.99 0.02 19.96 2.01 0.47 4059.05 4873.36 Average: 33.32 1.72 29.00 2.60 225.51 3985.87 8547.90 13:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:01 9968956 13435088 2525072 15.42 126016 3485448 2964736 17.02 720884 5327360 78440 14:00:10 9152692 12954192 3001936 18.33 148072 3766564 3053808 17.53 850036 5978356 29236 14:10:10 5302396 10058584 5893680 36.00 160440 4667988 5671704 32.56 1130680 9471032 48 Average: 8141348 12149288 3806896 23.25 144843 3973333 3896749 22.37 900533 6925583 35908 13:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:01 lo 753.66 753.66 716.59 716.59 0.00 0.00 0.00 0.00 13:50:01 ens3 128.25 94.16 1225.44 18.05 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:10 lo 1601.83 1601.83 1520.94 1520.94 0.00 0.00 0.00 0.00 14:00:10 ens3 37.49 29.89 16.19 10.89 0.00 0.00 0.00 0.00 14:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:10 lo 830.91 830.91 5213.95 5213.95 0.00 0.00 0.00 0.00 14:10:10 ens3 30.26 24.84 27.56 9.36 0.00 0.00 0.00 0.00 14:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1065.10 1065.10 2480.41 2480.41 0.00 0.00 0.00 0.00 Average: ens3 65.14 49.49 420.37 12.75 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-8237) 02/06/26 _x86_64_ (4 CPU) 13:39:20 LINUX RESTART (4 CPU) 13:40:03 CPU %user %nice %system %iowait %steal %idle 13:50:01 all 40.51 0.00 2.01 0.92 0.09 56.47 13:50:01 0 38.31 0.00 1.97 0.75 0.09 58.87 13:50:01 1 44.26 0.00 2.06 1.89 0.10 51.69 13:50:01 2 40.94 0.00 1.98 0.48 0.09 56.50 13:50:01 3 38.52 0.00 2.02 0.56 0.10 58.80 14:00:10 all 65.51 0.00 2.58 0.08 0.12 31.71 14:00:10 0 64.14 0.00 2.43 0.07 0.12 33.24 14:00:10 1 66.19 0.00 2.18 0.04 0.12 31.46 14:00:10 2 65.72 0.00 2.64 0.10 0.12 31.41 14:00:10 3 66.00 0.00 3.05 0.10 0.12 30.73 14:10:10 all 51.52 0.00 1.92 0.19 0.11 46.26 14:10:10 0 48.26 0.00 1.87 0.12 0.11 49.65 14:10:10 1 52.87 0.00 2.28 0.17 0.11 44.57 14:10:10 2 54.67 0.00 1.57 0.09 0.11 43.56 14:10:10 3 50.29 0.00 1.97 0.37 0.11 47.26 Average: all 52.59 0.00 2.17 0.39 0.11 44.74 Average: 0 50.32 0.00 2.09 0.31 0.11 47.17 Average: 1 54.51 0.00 2.17 0.70 0.11 42.52 Average: 2 53.85 0.00 2.07 0.22 0.11 43.76 Average: 3 51.68 0.00 2.35 0.34 0.11 45.52