---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7970 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 656 8647 4 6685 14990 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:f4:20:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84570sec preferred_lft 84570sec inet6 fe80::f816:3eff:fef4:20fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:58:51:7e:1b:c4 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-7970) 02/05/26 _x86_64_ (4 CPU) 16:52:19 LINUX RESTART (4 CPU) 17:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:00 25.14 0.01 22.12 3.01 0.19 2118.06 29224.95 17:20:00 21.64 0.03 19.63 1.99 0.48 4069.69 42783.29 Average: 23.39 0.02 20.87 2.50 0.33 3093.89 36004.18 17:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:00 9049068 12975872 2979484 18.20 146308 3894080 3050600 17.51 911380 6019608 31992 17:20:00 5292052 10156408 5795220 35.39 158988 4778468 5619488 32.26 1187988 9430716 32 Average: 7170560 11566140 4387352 26.80 152648 4336274 4335044 24.88 1049684 7725162 16012 17:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:00 lo 1385.81 1385.81 1314.98 1314.98 0.00 0.00 0.00 0.00 17:10:00 ens3 23.20 19.58 11.26 6.51 0.00 0.00 0.00 0.00 17:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:00 lo 794.00 794.00 5179.83 5179.83 0.00 0.00 0.00 0.00 17:20:00 ens3 19.94 16.92 23.20 5.48 0.00 0.00 0.00 0.00 17:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1089.90 1089.90 3247.42 3247.42 0.00 0.00 0.00 0.00 Average: ens3 21.57 18.25 17.23 5.99 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-7970) 02/05/26 _x86_64_ (4 CPU) 16:52:19 LINUX RESTART (4 CPU) 17:00:00 CPU %user %nice %system %iowait %steal %idle 17:10:00 all 63.91 0.00 2.50 0.51 0.15 32.92 17:10:00 0 63.48 0.00 2.49 0.26 0.14 33.62 17:10:00 1 64.04 0.00 2.34 1.07 0.14 32.42 17:10:00 2 64.85 0.00 2.46 0.41 0.15 32.13 17:10:00 3 63.28 0.00 2.71 0.33 0.17 33.52 17:20:00 all 51.61 0.00 1.91 0.28 0.12 46.08 17:20:00 0 55.61 0.00 1.80 0.06 0.12 42.41 17:20:00 1 48.58 0.00 1.75 0.59 0.12 48.97 17:20:00 2 48.47 0.00 2.27 0.20 0.13 48.93 17:20:00 3 53.76 0.00 1.82 0.28 0.12 44.02 Average: all 57.75 0.00 2.21 0.40 0.13 39.52 Average: 0 59.54 0.00 2.15 0.16 0.13 38.03 Average: 1 56.30 0.00 2.04 0.83 0.13 40.70 Average: 2 56.64 0.00 2.37 0.30 0.14 40.55 Average: 3 58.51 0.00 2.26 0.30 0.14 38.78