---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7918 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 687 9570 4 5730 14959 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:c1:45:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84418sec preferred_lft 84418sec inet6 fe80::f816:3eff:fec1:4534/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:d2:8d:4c:d1:a1 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-7918) 02/05/26 _x86_64_ (4 CPU) 12:35:27 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:18 43.16 1.19 26.39 15.58 617.48 4503.27 247090.39 13:00:04 33.30 0.06 30.09 3.15 1.86 5941.24 13567.53 Average: 38.36 0.64 28.19 9.52 317.67 5203.57 133363.72 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:18 8800960 12860356 3094884 18.90 158184 3986440 3288116 18.87 950552 6190272 181520 13:00:04 7672716 12931928 3017472 18.43 183544 5097672 3507932 20.14 1206636 6993656 22988 Average: 8236838 12896142 3056178 18.67 170864 4542056 3398024 19.50 1078594 6591964 102254 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:18 lo 1015.63 1015.63 967.33 967.33 0.00 0.00 0.00 0.00 12:50:18 ens3 79.36 58.75 487.34 14.96 0.00 0.00 0.00 0.00 12:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:04 lo 1145.21 1145.21 1090.83 1090.83 0.00 0.00 0.00 0.00 13:00:04 ens3 58.83 44.61 234.85 13.19 0.00 0.00 0.00 0.00 13:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1078.74 1078.74 1027.47 1027.47 0.00 0.00 0.00 0.00 Average: ens3 69.36 51.87 364.38 14.10 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-7918) 02/05/26 _x86_64_ (4 CPU) 12:35:27 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:18 all 64.85 0.00 2.43 0.22 0.12 32.39 12:50:18 0 65.08 0.00 2.66 0.31 0.12 31.84 12:50:18 1 63.96 0.00 2.20 0.16 0.11 33.56 12:50:18 2 63.21 0.00 2.12 0.22 0.11 34.34 12:50:18 3 67.14 0.00 2.75 0.19 0.12 29.81 13:00:04 all 56.76 0.00 2.29 0.21 0.11 40.63 13:00:04 0 53.55 0.00 2.17 0.21 0.11 43.96 13:00:04 1 59.98 0.00 2.41 0.13 0.11 37.37 13:00:04 2 58.39 0.00 2.51 0.22 0.12 38.76 13:00:04 3 55.15 0.00 2.05 0.28 0.11 42.41 Average: all 60.91 0.00 2.36 0.21 0.11 36.40 Average: 0 59.45 0.00 2.42 0.26 0.11 37.75 Average: 1 62.02 0.00 2.30 0.15 0.11 35.42 Average: 2 60.86 0.00 2.31 0.22 0.12 36.50 Average: 3 61.30 0.00 2.41 0.23 0.11 35.95