---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15013 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 15% / 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 666 9193 4 6130 14980 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:94:9e:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84767sec preferred_lft 84767sec inet6 fe80::f816:3eff:fe94:9e0c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:39:f0:97:f2:4f 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-15013) 02/19/26 _x86_64_ (4 CPU) 04:18:00 LINUX RESTART (4 CPU) 04:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:30:01 30.71 2.70 24.33 3.68 747.65 4899.15 48072.11 04:40:08 21.69 0.16 18.39 3.13 4.81 1566.18 29256.96 Average: 26.15 1.41 21.33 3.40 372.38 3215.37 38566.94 04:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:30:01 9374084 13119076 2837976 17.33 131868 3732588 3159248 18.13 860276 5747032 68 04:40:08 9172956 13246692 2707740 16.54 149892 4021384 2933380 16.84 983372 5805196 22096 Average: 9273520 13182884 2772858 16.94 140880 3876986 3046314 17.49 921824 5776114 11082 04:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:30:01 lo 26.35 26.35 6.12 6.12 0.00 0.00 0.00 0.00 04:30:01 ens3 46.97 32.93 536.35 6.57 0.00 0.00 0.00 0.00 04:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:08 lo 1367.65 1367.65 1277.64 1277.64 0.00 0.00 0.00 0.00 04:40:08 ens3 34.70 24.43 256.79 4.69 0.00 0.00 0.00 0.00 04:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 703.95 703.95 648.48 648.48 0.00 0.00 0.00 0.00 Average: ens3 40.77 28.64 395.12 5.62 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-15013) 02/19/26 _x86_64_ (4 CPU) 04:18:00 LINUX RESTART (4 CPU) 04:20:07 CPU %user %nice %system %iowait %steal %idle 04:30:01 all 39.06 0.00 1.41 0.22 0.08 59.22 04:30:01 0 37.88 0.00 1.35 0.27 0.09 60.42 04:30:01 1 39.79 0.00 1.31 0.21 0.08 58.61 04:30:01 2 38.97 0.00 1.32 0.17 0.08 59.46 04:30:01 3 39.62 0.00 1.67 0.23 0.08 58.39 04:40:08 all 30.64 0.00 1.63 0.07 0.09 67.57 04:40:08 0 30.76 0.00 1.63 0.05 0.09 67.48 04:40:08 1 31.01 0.00 1.68 0.07 0.09 67.15 04:40:08 2 31.47 0.00 1.51 0.10 0.09 66.83 04:40:08 3 29.33 0.00 1.72 0.04 0.09 68.82 Average: all 34.81 0.00 1.52 0.14 0.09 63.44 Average: 0 34.28 0.00 1.49 0.16 0.09 63.98 Average: 1 35.36 0.00 1.50 0.14 0.09 62.92 Average: 2 35.18 0.00 1.41 0.14 0.09 63.18 Average: 3 34.42 0.00 1.70 0.13 0.09 63.66