---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23840 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 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 686 8783 4 6519 14960 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:11:ea:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84595sec preferred_lft 84595sec inet6 fe80::f816:3eff:fe11:ea42/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:1a:be:f0:ef:c8 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-23840) 02/27/26 _x86_64_ (4 CPU) 13:39:48 LINUX RESTART (4 CPU) 13:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:00 82.60 12.08 54.05 16.46 1714.47 10205.20 265532.03 14:00:00 28.60 0.03 25.31 3.26 0.40 2345.65 11338.27 Average: 55.61 6.06 39.69 9.86 857.73 6276.77 138478.56 13:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:00 10022708 13485732 2473160 15.11 134180 3465260 2636720 15.13 702136 5256536 35132 14:00:00 8819128 12828468 3126672 19.10 155680 3950532 3259948 18.71 847588 6291904 157204 Average: 9420918 13157100 2799916 17.10 144930 3707896 2948334 16.92 774862 5774220 96168 13:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:00 lo 1110.96 1110.96 1051.58 1051.58 0.00 0.00 0.00 0.00 13:50:00 ens3 198.88 142.40 1485.69 27.53 0.00 0.00 0.00 0.00 13:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:00 lo 1311.22 1311.22 1248.54 1248.54 0.00 0.00 0.00 0.00 14:00:00 ens3 46.30 36.45 28.18 13.23 0.00 0.00 0.00 0.00 14:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1211.05 1211.05 1150.03 1150.03 0.00 0.00 0.00 0.00 Average: ens3 122.62 89.44 757.19 20.38 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-23840) 02/27/26 _x86_64_ (4 CPU) 13:39:48 LINUX RESTART (4 CPU) 13:40:00 CPU %user %nice %system %iowait %steal %idle 13:50:00 all 45.34 0.00 2.23 0.58 0.07 51.78 13:50:00 0 43.63 0.00 1.96 1.23 0.08 53.10 13:50:00 1 44.28 0.00 2.28 0.24 0.07 53.14 13:50:00 2 49.80 0.00 2.32 0.60 0.07 47.21 13:50:00 3 43.64 0.00 2.34 0.25 0.08 53.68 14:00:00 all 64.71 0.00 2.37 0.10 0.09 32.72 14:00:00 0 65.18 0.00 2.71 0.18 0.10 31.83 14:00:00 1 67.67 0.00 2.26 0.05 0.09 29.93 14:00:00 2 63.81 0.00 2.45 0.10 0.09 33.55 14:00:00 3 62.19 0.00 2.08 0.06 0.09 35.57 Average: all 55.01 0.00 2.30 0.34 0.08 42.27 Average: 0 54.39 0.00 2.34 0.71 0.09 42.48 Average: 1 55.95 0.00 2.27 0.14 0.08 41.56 Average: 2 56.79 0.00 2.39 0.35 0.08 40.39 Average: 3 52.92 0.00 2.21 0.16 0.09 44.62