---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7715 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 67G 15% / 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 716 9669 4 5603 14930 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:78:24:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83986sec preferred_lft 83986sec inet6 fe80::f816:3eff:fe78:246f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:a7:4a:a4:5b:f6 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-7715) 02/04/26 _x86_64_ (4 CPU) 20:25:27 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:18 14.32 2.26 11.03 1.04 133.43 3253.68 1519.81 20:50:00 57.37 0.34 47.26 9.76 11.23 4412.14 8601.61 21:00:01 36.76 0.14 30.26 6.36 6.47 5324.03 8408.22 Average: 35.74 0.93 29.17 5.64 51.53 4319.34 6109.92 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:18 10357616 13697052 2262140 13.82 153976 3299768 2587896 14.85 606712 5012044 99900 20:50:00 9164428 13295796 2655260 16.22 198916 3978436 2920948 16.77 804936 5907772 19584 21:00:01 9997660 15367840 579004 3.54 240508 5106596 1103580 6.33 1207008 4608484 372 Average: 9839901 14120229 1832135 11.19 197800 4128267 2204141 12.65 872885 5176100 39952 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:18 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 20:40:18 ens3 88.99 70.77 388.61 19.51 0.00 0.00 0.00 0.00 20:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:00 lo 5035.82 5035.82 4798.59 4798.59 0.00 0.00 0.00 0.00 20:50:00 ens3 100.37 73.16 312.04 21.42 0.00 0.00 0.00 0.00 20:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 2825.07 2825.07 2685.51 2685.51 0.00 0.00 0.00 0.00 21:00:01 ens3 93.98 78.73 131.23 82.33 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2572.72 2572.72 2448.99 2448.99 0.00 0.00 0.00 0.00 Average: ens3 94.34 74.20 277.96 41.09 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-7715) 02/04/26 _x86_64_ (4 CPU) 20:25:27 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:18 all 63.70 0.00 2.16 0.06 0.10 33.99 20:40:18 0 63.18 0.00 2.04 0.09 0.09 34.60 20:40:18 1 62.91 0.00 2.10 0.08 0.09 34.82 20:40:18 2 64.92 0.00 2.25 0.03 0.09 32.71 20:40:18 3 63.80 0.00 2.23 0.04 0.10 33.83 20:50:00 all 61.23 0.00 4.17 0.11 0.09 34.40 20:50:00 0 60.42 0.00 4.15 0.08 0.09 35.26 20:50:00 1 60.59 0.00 4.14 0.08 0.10 35.09 20:50:00 2 61.86 0.00 4.34 0.12 0.10 33.58 20:50:00 3 62.04 0.00 4.06 0.15 0.09 33.65 21:00:01 all 51.54 0.00 3.03 0.12 0.09 45.21 21:00:01 0 49.60 0.00 2.99 0.06 0.09 47.27 21:00:01 1 51.27 0.00 2.93 0.09 0.09 45.62 21:00:01 2 53.82 0.00 3.23 0.09 0.09 42.77 21:00:01 3 51.50 0.00 2.97 0.25 0.09 45.19 Average: all 58.84 0.00 3.10 0.10 0.09 37.87 Average: 0 57.75 0.00 3.04 0.08 0.09 39.04 Average: 1 58.27 0.00 3.04 0.08 0.09 38.51 Average: 2 60.22 0.00 3.25 0.08 0.09 36.35 Average: 3 59.13 0.00 3.07 0.15 0.09 37.56