---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8542 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 658 9015 4 6315 14988 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:61:22:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84607sec preferred_lft 84607sec inet6 fe80::f816:3eff:fe61:22c6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:1c:d1:06:29:bf 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-8542) 02/07/26 _x86_64_ (4 CPU) 21:55:08 LINUX RESTART (4 CPU) 22:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:02 29.18 0.64 25.27 3.26 623.11 3159.65 25821.55 22:20:20 28.56 0.03 25.77 2.76 0.58 4353.74 11247.15 Average: 28.86 0.33 25.53 3.01 305.28 3769.29 18380.63 22:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:02 8704016 12639604 3316252 20.25 144416 3905832 3350204 19.23 897500 6371548 30488 22:20:20 5747944 10757068 5194448 31.73 159276 4918372 5029008 28.87 1198716 8961352 22592 Average: 7225980 11698336 4255350 25.99 151846 4412102 4189606 24.05 1048108 7666450 26540 22:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:02 lo 1199.38 1199.38 1135.79 1135.79 0.00 0.00 0.00 0.00 22:10:02 ens3 59.69 44.28 300.70 13.57 0.00 0.00 0.00 0.00 22:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:20 lo 1135.60 1135.60 1120.77 1120.77 0.00 0.00 0.00 0.00 22:20:20 ens3 39.87 29.37 42.48 13.22 0.00 0.00 0.00 0.00 22:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1166.82 1166.82 1128.12 1128.12 0.00 0.00 0.00 0.00 Average: ens3 49.57 36.67 168.87 13.39 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-8542) 02/07/26 _x86_64_ (4 CPU) 21:55:08 LINUX RESTART (4 CPU) 22:00:09 CPU %user %nice %system %iowait %steal %idle 22:10:02 all 66.97 0.00 2.50 0.19 0.11 30.23 22:10:02 0 65.63 0.00 2.76 0.17 0.12 31.32 22:10:02 1 69.14 0.00 2.49 0.15 0.11 28.11 22:10:02 2 65.39 0.00 2.24 0.30 0.11 31.95 22:10:02 3 67.73 0.00 2.50 0.13 0.11 29.52 22:20:20 all 55.33 0.00 2.22 0.17 0.10 42.17 22:20:20 0 55.00 0.00 2.00 0.10 0.10 42.80 22:20:20 1 53.13 0.00 2.05 0.19 0.11 44.52 22:20:20 2 60.48 0.00 2.72 0.13 0.10 36.56 22:20:20 3 52.71 0.00 2.14 0.25 0.10 44.80 Average: all 61.03 0.00 2.36 0.18 0.11 36.33 Average: 0 60.20 0.00 2.37 0.13 0.11 37.19 Average: 1 60.96 0.00 2.26 0.17 0.11 36.49 Average: 2 62.88 0.00 2.48 0.22 0.11 34.31 Average: 3 60.06 0.00 2.31 0.19 0.11 37.32