---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10020 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 13G 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 650 8559 4 6778 14996 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:8b:21:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84118sec preferred_lft 84118sec inet6 fe80::f816:3eff:fe8b:219f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:a5:b8:9f:cf:ae 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-10020) 02/13/26 _x86_64_ (4 CPU) 05:19:08 LINUX RESTART (4 CPU) 05:20:47 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:17 61.87 5.94 53.23 2.71 938.86 6250.95 20759.67 05:40:02 24.97 0.06 22.17 2.74 6.21 2326.18 5070.00 05:50:47 25.14 0.02 22.55 2.57 0.42 3997.29 21017.26 Average: 36.71 1.91 32.14 2.67 299.33 4167.71 15754.91 05:20:47 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:17 10094564 13632556 2327316 14.21 128764 3557576 2432700 13.96 766000 5160592 18736 05:40:02 8919252 12902940 3051808 18.64 151740 3938028 3048140 17.50 911276 6115232 8624 05:50:47 5050092 10085788 5864928 35.82 166096 4930236 5644668 32.40 1207800 9638700 29740 Average: 8021303 12207095 3748017 22.89 148867 4141947 3708503 21.29 961692 6971508 19033 05:20:47 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:17 lo 683.95 683.95 651.38 651.38 0.00 0.00 0.00 0.00 05:30:17 ens3 172.59 124.99 1581.63 23.08 0.00 0.00 0.00 0.00 05:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:02 lo 1308.45 1308.45 1239.83 1239.83 0.00 0.00 0.00 0.00 05:40:02 ens3 39.48 29.97 25.71 10.63 0.00 0.00 0.00 0.00 05:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:47 lo 994.83 994.83 3287.23 3287.23 0.00 0.00 0.00 0.00 05:50:47 ens3 37.62 29.72 38.52 10.45 0.00 0.00 0.00 0.00 05:50:47 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 998.32 998.32 1787.79 1787.79 0.00 0.00 0.00 0.00 Average: ens3 80.94 59.96 522.78 14.51 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-10020) 02/13/26 _x86_64_ (4 CPU) 05:19:08 LINUX RESTART (4 CPU) 05:20:47 CPU %user %nice %system %iowait %steal %idle 05:30:17 all 31.89 0.00 1.79 0.40 0.06 65.86 05:30:17 0 31.13 0.00 1.70 0.25 0.06 66.86 05:30:17 1 30.40 0.00 1.65 0.23 0.07 67.66 05:30:17 2 32.18 0.00 2.04 0.73 0.06 64.99 05:30:17 3 33.88 0.00 1.76 0.39 0.06 63.92 05:40:02 all 64.55 0.00 2.31 0.11 0.10 32.93 05:40:02 0 63.29 0.00 2.24 0.09 0.10 34.27 05:40:02 1 64.94 0.00 2.60 0.14 0.11 32.22 05:40:02 2 63.88 0.00 2.16 0.15 0.10 33.71 05:40:02 3 66.08 0.00 2.25 0.07 0.10 31.50 05:50:47 all 53.90 0.00 2.00 0.16 0.09 43.85 05:50:47 0 56.76 0.00 2.22 0.17 0.10 40.75 05:50:47 1 54.75 0.00 1.69 0.12 0.09 43.35 05:50:47 2 51.00 0.00 1.99 0.20 0.09 46.72 05:50:47 3 53.07 0.00 2.10 0.15 0.09 44.58 Average: all 50.39 0.00 2.03 0.22 0.09 47.27 Average: 0 50.76 0.00 2.06 0.17 0.09 46.92 Average: 1 50.36 0.00 1.97 0.16 0.09 47.42 Average: 2 49.22 0.00 2.06 0.35 0.09 48.28 Average: 3 51.21 0.00 2.04 0.20 0.08 46.46