---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8206 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 636 8825 4 6527 15010 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:5e:08:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84243sec preferred_lft 84243sec inet6 fe80::f816:3eff:fe5e:834/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:b7:d1:d6:6e:1a 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-8206) 02/06/26 _x86_64_ (4 CPU) 11:25:18 LINUX RESTART (4 CPU) 11:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:08 33.14 3.33 26.55 3.26 560.09 4189.17 6900.44 11:50:08 34.16 0.01 30.50 3.65 0.15 2650.93 9782.53 12:00:01 12.49 0.13 11.11 1.24 6.59 8263.84 2197.19 Average: 26.68 1.17 22.78 2.73 191.11 5017.43 6313.50 11:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:08 8749024 12304928 3653788 22.32 134992 3551312 3720076 21.35 806428 6436444 12992 11:50:08 8372680 12391868 3563172 21.76 158556 3956040 3650716 20.96 931308 6652212 43764 12:00:01 9065168 15388552 558644 3.41 174832 6170812 1102956 6.33 1740700 5047292 4 Average: 8728957 13361783 2591868 15.83 156127 4559388 2824583 16.21 1159479 6045316 18920 11:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:08 lo 1470.21 1470.21 1394.79 1394.79 0.00 0.00 0.00 0.00 11:40:08 ens3 115.66 88.67 919.62 20.25 0.00 0.00 0.00 0.00 11:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:08 lo 1415.46 1415.46 1348.02 1348.02 0.00 0.00 0.00 0.00 11:50:08 ens3 49.64 38.40 32.01 12.93 0.00 0.00 0.00 0.00 11:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 248.84 248.84 6925.86 6925.86 0.00 0.00 0.00 0.00 12:00:01 ens3 77.81 88.36 113.07 1032.46 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1049.88 1049.88 3199.97 3199.97 0.00 0.00 0.00 0.00 Average: ens3 81.18 71.80 358.05 351.02 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-8206) 02/06/26 _x86_64_ (4 CPU) 11:25:18 LINUX RESTART (4 CPU) 11:30:01 CPU %user %nice %system %iowait %steal %idle 11:40:08 all 67.52 0.00 2.55 0.11 0.09 29.73 11:40:08 0 68.65 0.00 2.25 0.05 0.09 28.95 11:40:08 1 67.21 0.00 2.46 0.07 0.09 30.16 11:40:08 2 66.25 0.00 2.60 0.09 0.09 30.97 11:40:08 3 67.97 0.00 2.88 0.22 0.09 28.84 11:50:08 all 62.80 0.00 2.54 0.30 0.10 34.27 11:50:08 0 60.61 0.00 2.36 0.45 0.10 36.46 11:50:08 1 64.37 0.00 2.47 0.09 0.11 32.96 11:50:08 2 62.79 0.00 2.88 0.18 0.10 34.06 11:50:08 3 63.42 0.00 2.44 0.46 0.10 33.57 12:00:01 all 31.07 0.00 0.98 0.29 0.07 67.58 12:00:01 0 27.53 0.00 0.93 0.07 0.07 71.41 12:00:01 1 37.04 0.00 1.09 0.14 0.07 61.65 12:00:01 2 30.99 0.00 0.97 0.12 0.07 67.85 12:00:01 3 28.72 0.00 0.94 0.85 0.07 69.42 Average: all 53.93 0.00 2.03 0.23 0.09 43.72 Average: 0 52.41 0.00 1.85 0.19 0.09 45.46 Average: 1 56.32 0.00 2.01 0.10 0.09 41.48 Average: 2 53.48 0.00 2.15 0.13 0.09 44.16 Average: 3 53.51 0.00 2.10 0.51 0.09 43.80