---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8139 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 645 8792 4 6550 15000 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:1b:e8:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84041sec preferred_lft 84041sec inet6 fe80::f816:3eff:fe1b:e83f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:f8:22:da:e4:89 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-8139) 02/06/26 _x86_64_ (4 CPU) 05:21:26 LINUX RESTART (4 CPU) 05:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:06 30.20 2.87 24.26 3.07 160.21 3910.57 6814.25 05:50:01 33.72 0.00 30.10 3.61 0.08 2646.43 15818.79 06:00:06 12.88 0.15 11.29 1.44 6.98 8359.47 2519.45 Average: 25.54 1.01 21.83 2.70 55.78 4987.73 8347.93 05:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:06 9521516 13168640 2789064 17.03 137244 3636044 2964948 17.02 799148 5674480 29904 05:50:01 8758176 12910992 3042752 18.58 159628 4085732 3198972 18.36 926492 6270912 98072 06:00:06 8963388 15317940 627856 3.83 176864 6198656 1138932 6.54 1720912 5175672 16396 Average: 9081027 13799191 2153224 13.15 157912 4640144 2434284 13.97 1148851 5707021 48124 05:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:06 lo 1468.51 1468.51 1392.49 1392.49 0.00 0.00 0.00 0.00 05:40:06 ens3 105.19 82.56 689.59 19.35 0.00 0.00 0.00 0.00 05:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1485.23 1485.23 1414.36 1414.36 0.00 0.00 0.00 0.00 05:50:01 ens3 48.36 36.37 41.79 12.56 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:06 lo 244.62 244.62 6785.08 6785.08 0.00 0.00 0.00 0.00 06:00:06 ens3 87.63 97.79 118.57 1041.69 0.00 0.00 0.00 0.00 06:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1062.74 1062.74 3211.95 3211.95 0.00 0.00 0.00 0.00 Average: ens3 80.50 72.41 283.52 360.67 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-8139) 02/06/26 _x86_64_ (4 CPU) 05:21:26 LINUX RESTART (4 CPU) 05:30:06 CPU %user %nice %system %iowait %steal %idle 05:40:06 all 67.19 0.00 2.59 0.08 0.09 30.05 05:40:06 0 67.61 0.00 2.46 0.06 0.09 29.79 05:40:06 1 66.34 0.00 2.60 0.09 0.10 30.87 05:40:06 2 66.87 0.00 2.41 0.10 0.09 30.52 05:40:06 3 67.95 0.00 2.88 0.07 0.09 29.01 05:50:01 all 63.44 0.00 2.58 0.08 0.10 33.80 05:50:01 0 64.72 0.00 2.72 0.11 0.09 32.35 05:50:01 1 63.07 0.00 2.49 0.08 0.10 34.26 05:50:01 2 65.30 0.00 2.48 0.06 0.10 32.07 05:50:01 3 60.66 0.00 2.63 0.08 0.10 36.53 06:00:06 all 29.93 0.00 1.00 0.14 0.07 68.85 06:00:06 0 29.02 0.00 1.02 0.29 0.07 69.59 06:00:06 1 29.16 0.00 1.10 0.08 0.08 69.58 06:00:06 2 31.63 0.00 1.14 0.16 0.08 67.00 06:00:06 3 29.92 0.00 0.75 0.02 0.07 69.24 Average: all 53.41 0.00 2.05 0.10 0.09 44.35 Average: 0 53.68 0.00 2.06 0.15 0.09 44.02 Average: 1 52.73 0.00 2.06 0.08 0.09 45.03 Average: 2 54.50 0.00 2.01 0.11 0.09 43.30 Average: 3 52.73 0.00 2.08 0.06 0.08 45.05