---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9356 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 635 9011 4 6342 15011 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:31:3b:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84176sec preferred_lft 84176sec inet6 fe80::f816:3eff:fe31:3b98/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:bc:22:bc:cf:e0 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-9356) 02/11/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 28.68 1.02 24.57 3.10 43.17 3295.42 7808.23 05:50:06 45.97 0.01 28.79 17.18 0.24 2625.40 248265.91 06:00:07 16.21 0.19 14.12 1.90 12.84 8448.92 39531.82 Average: 30.33 0.40 22.51 7.42 18.68 4786.58 99000.24 05:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9096980 12700212 3257300 19.89 137576 3585856 3265372 18.74 704024 6184088 195532 05:50:06 8678560 12721640 3233384 19.75 157360 3978356 3182376 18.27 812948 6447408 186360 06:00:07 9262116 15401168 545948 3.33 175260 5987332 1062324 6.10 1605760 4989520 10556 Average: 9012552 13607673 2345544 14.33 156732 4517181 2503357 14.37 1040911 5873672 130816 05:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1551.57 1551.57 1471.92 1471.92 0.00 0.00 0.00 0.00 05:40:01 ens3 76.23 54.87 336.86 14.77 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:06 lo 1364.44 1364.44 1299.12 1299.12 0.00 0.00 0.00 0.00 05:50:06 ens3 49.16 39.22 41.72 13.30 0.00 0.00 0.00 0.00 05:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:07 lo 249.70 249.70 6834.84 6834.84 0.00 0.00 0.00 0.00 06:00:07 ens3 90.72 98.37 119.95 1049.48 0.00 0.00 0.00 0.00 06:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1055.37 1055.37 3199.54 3199.54 0.00 0.00 0.00 0.00 Average: ens3 71.98 64.11 165.68 358.78 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-9356) 02/11/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:03 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 68.92 0.00 2.48 0.10 0.10 28.41 05:40:01 0 69.54 0.00 2.04 0.09 0.09 28.24 05:40:01 1 67.82 0.00 2.41 0.09 0.10 29.58 05:40:01 2 69.45 0.00 2.64 0.11 0.10 27.70 05:40:01 3 68.86 0.00 2.81 0.10 0.10 28.13 05:50:06 all 63.28 0.00 2.51 0.17 0.09 33.95 05:50:06 0 62.71 0.00 2.25 0.21 0.09 34.73 05:50:06 1 62.21 0.00 2.49 0.09 0.09 35.11 05:50:06 2 63.96 0.00 2.65 0.12 0.09 33.17 05:50:06 3 64.22 0.00 2.64 0.27 0.09 32.78 06:00:07 all 31.10 0.00 1.07 0.38 0.07 67.38 06:00:07 0 28.65 0.00 1.31 0.22 0.07 69.76 06:00:07 1 33.14 0.00 1.16 0.05 0.07 65.58 06:00:07 2 30.78 0.00 0.98 0.64 0.08 67.54 06:00:07 3 31.84 0.00 0.85 0.60 0.06 66.65 Average: all 54.41 0.00 2.02 0.22 0.09 43.27 Average: 0 53.61 0.00 1.87 0.17 0.09 44.26 Average: 1 54.37 0.00 2.02 0.08 0.09 43.44 Average: 2 54.70 0.00 2.09 0.29 0.09 42.83 Average: 3 54.95 0.00 2.10 0.32 0.08 42.54