---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7634 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 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 655 8652 4 6680 14991 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:3e:5a:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84650sec preferred_lft 84650sec inet6 fe80::f816:3eff:fe3e:5ac5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:f0:30:ff:48:1e 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-7634) 02/04/26 _x86_64_ (4 CPU) 08:19:39 LINUX RESTART (4 CPU) 08:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:27 72.13 10.96 57.31 3.86 1905.49 10328.93 59942.37 08:40:27 30.93 0.01 27.69 3.22 0.17 2522.37 29869.61 Average: 51.98 5.60 42.83 3.55 973.51 6510.39 45232.43 08:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:27 9313664 13005768 2951912 18.03 134684 3690156 3193468 18.33 846328 5840428 31452 08:40:27 8657504 12770692 3182920 19.44 157168 4053804 3203452 18.39 962028 6312436 25032 Average: 8985584 12888230 3067416 18.73 145926 3871980 3198460 18.36 904178 6076432 28242 08:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:27 lo 1421.34 1421.34 1348.28 1348.28 0.00 0.00 0.00 0.00 08:30:27 ens3 155.71 113.51 1297.08 21.02 0.00 0.00 0.00 0.00 08:30:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:27 lo 1339.95 1339.95 1275.89 1275.89 0.00 0.00 0.00 0.00 08:40:27 ens3 24.32 21.53 21.08 6.98 0.00 0.00 0.00 0.00 08:40:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1381.53 1381.53 1312.87 1312.87 0.00 0.00 0.00 0.00 Average: ens3 91.44 68.52 672.93 14.15 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-7634) 02/04/26 _x86_64_ (4 CPU) 08:19:39 LINUX RESTART (4 CPU) 08:20:00 CPU %user %nice %system %iowait %steal %idle 08:30:27 all 60.90 0.00 2.75 0.85 0.09 35.41 08:30:27 0 62.49 0.00 2.60 1.17 0.09 33.65 08:30:27 1 59.66 0.00 3.06 1.50 0.09 35.68 08:30:27 2 62.00 0.00 2.82 0.53 0.09 34.56 08:30:27 3 59.47 0.00 2.50 0.21 0.09 37.74 08:40:27 all 64.11 0.00 2.45 0.11 0.09 33.25 08:40:27 0 63.50 0.00 2.21 0.12 0.09 34.08 08:40:27 1 64.31 0.00 2.36 0.09 0.09 33.15 08:40:27 2 65.14 0.00 2.70 0.11 0.09 31.96 08:40:27 3 63.48 0.00 2.54 0.10 0.09 33.78 Average: all 62.47 0.00 2.60 0.49 0.09 34.35 Average: 0 62.98 0.00 2.41 0.66 0.09 33.86 Average: 1 61.94 0.00 2.72 0.81 0.09 34.44 Average: 2 63.53 0.00 2.76 0.32 0.09 33.29 Average: 3 61.43 0.00 2.52 0.16 0.09 35.80