---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8534 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 67G 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 755 9374 4 5859 14891 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:b6:d5:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83830sec preferred_lft 83830sec inet6 fe80::f816:3eff:feb6:d547/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:96:fa:16:9d:dd 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-8534) 02/07/26 _x86_64_ (4 CPU) 20:24:17 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:10 29.06 2.31 12.39 14.36 135.96 3759.16 242912.02 20:50:12 62.53 0.31 50.85 11.37 10.49 4046.59 12600.07 21:00:12 33.38 0.13 27.94 5.30 6.45 5000.09 15815.42 Average: 41.66 0.92 30.39 10.35 51.00 4268.06 90498.76 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:10 8958344 12717516 3237980 19.78 168004 3683580 3473288 19.94 779728 6209456 101596 20:50:12 8678188 13116308 2833176 17.30 203848 4272312 2982508 17.12 944936 6257924 22076 21:00:12 9748448 15380408 564364 3.45 238212 5366796 1108472 6.36 1335888 4728652 48 Average: 9128327 13738077 2211840 13.51 203355 4440896 2521423 14.47 1020184 5732011 41240 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:10 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 20:40:10 ens3 101.89 79.96 445.90 21.25 0.00 0.00 0.00 0.00 20:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:12 lo 5307.85 5307.85 5059.06 5059.06 0.00 0.00 0.00 0.00 20:50:12 ens3 98.29 72.62 247.48 21.80 0.00 0.00 0.00 0.00 20:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:12 lo 2459.75 2459.75 2337.86 2337.86 0.00 0.00 0.00 0.00 21:00:12 ens3 88.78 73.72 104.79 97.82 0.00 0.00 0.00 0.00 21:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2589.77 2589.77 2465.80 2465.80 0.00 0.00 0.00 0.00 Average: ens3 96.32 75.44 266.18 46.92 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-8534) 02/07/26 _x86_64_ (4 CPU) 20:24:17 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:10 all 69.62 0.00 2.39 0.09 0.12 27.78 20:40:10 0 70.37 0.00 2.40 0.11 0.11 27.01 20:40:10 1 69.04 0.00 2.26 0.11 0.12 28.48 20:40:10 2 69.95 0.00 2.26 0.05 0.12 27.62 20:40:10 3 69.13 0.00 2.65 0.08 0.12 28.02 20:50:12 all 60.88 0.00 4.13 0.21 0.11 34.66 20:50:12 0 60.49 0.00 4.29 0.33 0.11 34.78 20:50:12 1 62.42 0.00 4.27 0.15 0.11 33.05 20:50:12 2 60.98 0.00 3.81 0.22 0.11 34.88 20:50:12 3 59.64 0.00 4.16 0.14 0.11 35.95 21:00:12 all 47.97 0.00 2.66 0.20 0.09 49.08 21:00:12 0 45.86 0.00 2.57 0.22 0.09 51.26 21:00:12 1 49.24 0.00 2.70 0.11 0.08 47.87 21:00:12 2 47.47 0.00 2.67 0.39 0.09 49.39 21:00:12 3 49.31 0.00 2.72 0.09 0.09 47.79 Average: all 59.50 0.00 3.06 0.17 0.10 37.17 Average: 0 58.92 0.00 3.09 0.22 0.11 37.67 Average: 1 60.24 0.00 3.08 0.12 0.10 36.46 Average: 2 59.48 0.00 2.91 0.22 0.11 37.29 Average: 3 59.37 0.00 3.18 0.10 0.11 37.25