---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25082 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 11G 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 732 9764 4 5492 14914 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:57:f4:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84413sec preferred_lft 84413sec inet6 fe80::f816:3eff:fe57:f4cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:52:da:4f:87:9c 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-25082) 03/01/26 _x86_64_ (4 CPU) 21:18:30 LINUX RESTART (4 CPU) 21:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:30:18 29.18 3.40 23.96 1.83 173.83 5886.80 5397.98 21:40:18 30.70 0.04 26.24 4.41 1.16 3788.57 42043.45 21:50:01 24.71 0.14 21.79 2.78 6.68 6465.34 4561.72 Average: 28.24 1.22 24.02 3.00 62.15 5374.95 17339.35 21:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:30:18 9112948 12854376 3102252 18.95 153576 3676808 3367476 19.33 738360 6096324 181508 21:40:18 8008248 12225636 3727456 22.77 175860 4091244 3909324 22.44 856236 7041460 298560 21:50:01 10079200 15340312 606988 3.71 202780 5044988 1108348 6.36 922636 4811380 260 Average: 9066799 13473441 2478899 15.14 177405 4271013 2795049 16.04 839077 5983055 160109 21:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:30:18 lo 696.29 696.29 663.12 663.12 0.00 0.00 0.00 0.00 21:30:18 ens3 107.44 82.68 813.59 18.37 0.00 0.00 0.00 0.00 21:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:18 lo 1685.36 1685.36 1606.72 1606.72 0.00 0.00 0.00 0.00 21:40:18 ens3 33.54 26.13 129.63 7.88 0.00 0.00 0.00 0.00 21:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:01 lo 198.32 198.32 181.83 181.83 0.00 0.00 0.00 0.00 21:50:01 ens3 68.14 62.85 118.87 193.01 0.00 0.00 0.00 0.00 21:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 864.61 864.61 821.69 821.69 0.00 0.00 0.00 0.00 Average: ens3 70.08 57.41 360.64 71.44 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-25082) 03/01/26 _x86_64_ (4 CPU) 21:18:30 LINUX RESTART (4 CPU) 21:20:01 CPU %user %nice %system %iowait %steal %idle 21:30:18 all 60.21 0.00 2.17 1.97 0.11 35.53 21:30:18 0 59.45 0.00 2.12 0.11 0.10 38.22 21:30:18 1 59.32 0.00 2.17 0.11 0.11 38.30 21:30:18 2 61.96 0.00 2.07 7.44 0.12 28.40 21:30:18 3 60.11 0.00 2.33 0.24 0.11 37.21 21:40:18 all 44.54 0.00 2.12 10.98 0.10 42.27 21:40:18 0 44.75 0.00 2.13 10.54 0.10 42.48 21:40:18 1 45.79 0.00 2.17 10.96 0.10 40.98 21:40:18 2 44.40 0.00 2.18 12.94 0.10 40.38 21:40:18 3 43.21 0.00 2.00 9.46 0.10 45.23 21:50:01 all 51.36 0.00 1.71 0.49 0.10 46.35 21:50:01 0 54.67 0.00 1.93 0.89 0.10 42.40 21:50:01 1 49.28 0.00 1.23 0.19 0.10 49.21 21:50:01 2 55.06 0.00 2.23 0.50 0.10 42.10 21:50:01 3 46.42 0.00 1.44 0.36 0.10 51.68 Average: all 52.13 0.00 2.00 4.49 0.11 41.28 Average: 0 53.01 0.00 2.06 3.83 0.10 40.99 Average: 1 51.56 0.00 1.86 3.74 0.10 42.73 Average: 2 53.88 0.00 2.16 7.02 0.11 36.83 Average: 3 50.05 0.00 1.93 3.35 0.10 44.57