---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9490 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 675 9019 4 6294 14971 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:7e:75:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84341sec preferred_lft 84341sec inet6 fe80::f816:3eff:fe7e:7537/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:29:6c:b6:ab:ef 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-9490) 02/11/26 _x86_64_ (4 CPU) 11:36:17 LINUX RESTART (4 CPU) 11:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:08 23.32 0.11 20.67 2.53 9.85 2220.87 7035.97 12:00:08 27.01 0.01 24.12 2.88 0.13 2929.07 17762.59 12:10:04 18.49 0.12 16.62 1.75 12.03 8779.23 4707.75 Average: 22.95 0.08 20.48 2.39 7.33 4632.49 9845.89 11:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:08 8650860 12031972 3927180 23.99 132356 3378760 3935528 22.59 676104 6661600 2004 12:00:08 8870144 12637232 3319476 20.27 148792 3722604 3322048 19.07 762844 6339324 130280 12:10:04 9303652 15390108 559296 3.42 168516 5946208 1066600 6.12 1590616 4987080 11100 Average: 8941552 13353104 2601984 15.89 149888 4349191 2774725 15.93 1009855 5996001 47795 11:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:08 lo 1318.30 1318.30 1248.74 1248.74 0.00 0.00 0.00 0.00 11:50:08 ens3 30.19 26.39 50.31 8.38 0.00 0.00 0.00 0.00 11:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:08 lo 1778.96 1778.96 1696.09 1696.09 0.00 0.00 0.00 0.00 12:00:08 ens3 15.55 14.25 16.36 4.45 0.00 0.00 0.00 0.00 12:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:04 lo 465.48 465.48 7103.49 7103.49 0.00 0.00 0.00 0.00 12:10:04 ens3 38.05 30.50 106.80 33.77 0.00 0.00 0.00 0.00 12:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1189.29 1189.29 3339.90 3339.90 0.00 0.00 0.00 0.00 Average: ens3 27.91 23.70 57.71 15.49 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-9490) 02/11/26 _x86_64_ (4 CPU) 11:36:17 LINUX RESTART (4 CPU) 11:40:08 CPU %user %nice %system %iowait %steal %idle 11:50:08 all 68.00 0.00 2.21 0.08 0.11 29.61 11:50:08 0 68.06 0.00 2.12 0.06 0.11 29.66 11:50:08 1 69.83 0.00 2.44 0.14 0.10 27.48 11:50:08 2 66.92 0.00 2.29 0.08 0.11 30.60 11:50:08 3 67.18 0.00 1.99 0.03 0.10 30.70 12:00:08 all 48.59 0.00 2.20 11.03 0.11 38.08 12:00:08 0 47.59 0.00 2.25 18.00 0.12 32.04 12:00:08 1 49.72 0.00 2.21 8.87 0.11 39.09 12:00:08 2 48.12 0.00 2.21 5.61 0.11 43.95 12:00:08 3 48.93 0.00 2.11 11.62 0.11 37.23 12:10:04 all 38.30 0.00 1.44 4.26 0.10 55.91 12:10:04 0 34.96 0.00 1.12 4.33 0.09 59.50 12:10:04 1 39.86 0.00 1.51 1.80 0.10 56.73 12:10:04 2 34.28 0.00 1.57 6.63 0.10 57.42 12:10:04 3 44.09 0.00 1.55 4.28 0.10 49.99 Average: all 51.67 0.00 1.95 5.12 0.10 41.16 Average: 0 50.24 0.00 1.83 7.46 0.11 40.36 Average: 1 53.18 0.00 2.06 3.60 0.10 41.06 Average: 2 49.82 0.00 2.03 4.10 0.10 43.95 Average: 3 53.43 0.00 1.89 5.30 0.10 39.28