---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6819 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: 5600.00 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 750 9474 4 5765 14896 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:a7:29:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84113sec preferred_lft 84113sec inet6 fe80::f816:3eff:fea7:297c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:88:76:22:4e:f4 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-6819) 02/01/26 _x86_64_ (4 CPU) 20:25:42 LINUX RESTART (4 CPU) 20:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:11 18.73 2.52 14.77 1.44 347.31 4388.72 12155.56 20:50:26 59.41 0.31 48.37 10.73 10.30 3890.19 32718.74 21:00:04 32.03 0.14 26.59 5.30 6.71 5105.33 12563.06 Average: 37.04 0.99 30.16 5.89 121.07 4448.91 19367.89 20:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:11 9740668 13616028 2338832 14.28 171272 3781208 2660864 15.27 745592 5446732 286368 20:50:26 8857484 13222108 2727560 16.66 205144 4196888 2936488 16.86 888952 6134016 36180 21:00:04 9844924 15380424 564316 3.45 240160 5269628 1110348 6.37 1276076 4686932 216 Average: 9481025 14072853 1876903 11.46 205525 4415908 2235900 12.83 970207 5422560 107588 20:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:11 lo 1.44 1.44 0.15 0.15 0.00 0.00 0.00 0.00 20:40:11 ens3 108.25 84.65 594.72 22.02 0.00 0.00 0.00 0.00 20:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:26 lo 5685.72 5685.72 5419.86 5419.86 0.00 0.00 0.00 0.00 20:50:26 ens3 97.60 71.85 242.78 22.19 0.00 0.00 0.00 0.00 20:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:04 lo 2414.53 2414.53 2289.07 2289.07 0.00 0.00 0.00 0.00 21:00:04 ens3 99.66 91.91 115.25 150.49 0.00 0.00 0.00 0.00 21:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2739.42 2739.42 2606.86 2606.86 0.00 0.00 0.00 0.00 Average: ens3 101.80 82.59 318.41 63.64 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-6819) 02/01/26 _x86_64_ (4 CPU) 20:25:42 LINUX RESTART (4 CPU) 20:30:17 CPU %user %nice %system %iowait %steal %idle 20:40:11 all 69.59 0.00 2.43 0.10 0.09 27.80 20:40:11 0 70.01 0.00 2.49 0.08 0.08 27.33 20:40:11 1 67.45 0.00 2.24 0.03 0.09 30.19 20:40:11 2 70.81 0.00 2.57 0.15 0.09 26.38 20:40:11 3 70.07 0.00 2.41 0.13 0.09 27.30 20:50:26 all 60.69 0.00 4.32 0.14 0.09 34.76 20:50:26 0 58.73 0.00 4.02 0.11 0.09 37.05 20:50:26 1 61.56 0.00 4.53 0.13 0.09 33.69 20:50:26 2 61.50 0.00 4.38 0.24 0.09 33.78 20:50:26 3 60.98 0.00 4.35 0.08 0.09 34.50 21:00:04 all 49.15 0.00 2.76 0.16 0.08 47.85 21:00:04 0 50.95 0.00 2.91 0.05 0.09 46.00 21:00:04 1 52.37 0.00 3.04 0.11 0.08 44.39 21:00:04 2 45.74 0.00 2.81 0.24 0.08 51.13 21:00:04 3 47.52 0.00 2.30 0.22 0.09 49.87 Average: all 59.91 0.00 3.19 0.13 0.09 36.68 Average: 0 59.96 0.00 3.15 0.08 0.09 36.72 Average: 1 60.54 0.00 3.29 0.09 0.09 36.00 Average: 2 59.50 0.00 3.27 0.21 0.09 36.93 Average: 3 59.64 0.00 3.04 0.14 0.09 37.09