---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7475 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 744 9297 4 5946 14902 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:a9:70:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84014sec preferred_lft 84014sec inet6 fe80::f816:3eff:fea9:705e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:96:d3:e0:19:31 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-7475) 02/03/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:06 14.75 1.77 11.85 1.13 120.11 3886.36 8336.05 20:50:06 61.06 0.31 48.91 11.84 10.52 3925.88 12444.79 21:00:06 30.45 0.14 25.39 4.93 6.52 5005.61 6694.61 Average: 35.42 0.74 28.71 5.97 45.72 4272.62 9158.47 20:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:06 9427372 13492148 2462288 15.04 172884 3964508 2838732 16.29 879152 5626864 253672 20:50:06 8621220 13178924 2770356 16.92 205532 4384368 3324904 19.08 1023900 6226828 46632 21:00:06 9648144 15370556 574448 3.51 242700 5451112 1115416 6.40 1409288 4748608 312 Average: 9232245 14013876 1935697 11.82 207039 4599996 2426351 13.93 1104113 5534100 100205 20:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:06 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 20:40:06 ens3 75.55 60.78 140.30 19.28 0.00 0.00 0.00 0.00 20:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:06 lo 5729.49 5729.49 5460.71 5460.71 0.00 0.00 0.00 0.00 20:50:06 ens3 103.62 72.78 247.31 22.21 0.00 0.00 0.00 0.00 20:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:06 lo 2152.10 2152.10 2038.53 2038.53 0.00 0.00 0.00 0.00 21:00:06 ens3 100.58 90.64 135.65 145.27 0.00 0.00 0.00 0.00 21:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2627.66 2627.66 2499.79 2499.79 0.00 0.00 0.00 0.00 Average: ens3 93.25 74.73 174.42 62.26 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-7475) 02/03/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:06 CPU %user %nice %system %iowait %steal %idle 20:40:06 all 69.99 0.00 2.40 0.17 0.09 27.34 20:40:06 0 70.09 0.00 2.48 0.11 0.09 27.23 20:40:06 1 70.81 0.00 2.31 0.27 0.10 26.51 20:40:06 2 69.50 0.00 2.40 0.23 0.09 27.78 20:40:06 3 69.58 0.00 2.42 0.07 0.10 27.84 20:50:06 all 60.56 0.00 4.19 0.10 0.09 35.06 20:50:06 0 59.93 0.00 4.33 0.11 0.09 35.54 20:50:06 1 60.90 0.00 3.88 0.08 0.09 35.05 20:50:06 2 60.70 0.00 4.32 0.10 0.09 34.78 20:50:06 3 60.70 0.00 4.22 0.12 0.09 34.87 21:00:06 all 45.50 0.00 2.51 0.11 0.08 51.79 21:00:06 0 44.68 0.00 2.77 0.14 0.08 52.33 21:00:06 1 45.21 0.00 2.43 0.14 0.08 52.14 21:00:06 2 45.41 0.00 2.44 0.12 0.08 51.96 21:00:06 3 46.70 0.00 2.41 0.07 0.08 50.74 Average: all 58.68 0.00 3.03 0.13 0.09 38.07 Average: 0 58.22 0.00 3.19 0.12 0.09 38.37 Average: 1 58.97 0.00 2.87 0.16 0.09 37.90 Average: 2 58.53 0.00 3.05 0.15 0.09 38.18 Average: 3 59.00 0.00 3.02 0.09 0.09 37.81