---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7847 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 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 728 9512 4 5748 14918 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:69:e9:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84444sec preferred_lft 84444sec inet6 fe80::f816:3eff:fe69:e9c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:4b:71:38:69:d1 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-7847) 02/05/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 27.48 3.21 22.21 2.05 764.11 5072.98 10993.55 06:50:08 33.14 0.05 29.50 3.58 1.23 3127.45 23928.54 Average: 30.34 1.61 25.90 2.83 378.15 4088.69 17537.63 06:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9405688 13245308 2709944 16.55 156984 3781088 3052232 17.52 885076 5672312 29328 06:50:08 8195228 12591048 3359972 20.52 181320 4267516 3631828 20.85 1031416 6685584 28984 Average: 8800458 12918178 3034958 18.54 169152 4024302 3342030 19.18 958246 6178948 29156 06:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 614.33 614.33 585.08 585.08 0.00 0.00 0.00 0.00 06:40:01 ens3 108.73 84.64 907.29 17.14 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:08 lo 1528.29 1528.29 1455.90 1455.90 0.00 0.00 0.00 0.00 06:50:08 ens3 50.76 39.28 119.12 12.67 0.00 0.00 0.00 0.00 06:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1076.72 1076.72 1025.65 1025.65 0.00 0.00 0.00 0.00 Average: ens3 79.40 61.69 508.54 14.88 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-7847) 02/05/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:08 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 57.57 0.00 2.04 0.86 0.10 39.43 06:40:01 0 54.15 0.00 1.86 0.66 0.10 43.24 06:40:01 1 58.04 0.00 1.99 0.73 0.10 39.14 06:40:01 2 58.82 0.00 2.02 1.31 0.10 37.75 06:40:01 3 59.29 0.00 2.29 0.74 0.10 37.58 06:50:08 all 58.51 0.00 2.46 0.45 0.10 38.48 06:50:08 0 57.07 0.00 2.20 0.40 0.10 40.24 06:50:08 1 61.13 0.00 2.61 0.23 0.10 35.93 06:50:08 2 59.41 0.00 2.63 0.68 0.10 37.18 06:50:08 3 56.46 0.00 2.38 0.49 0.10 40.58 Average: all 58.05 0.00 2.25 0.65 0.10 38.95 Average: 0 55.63 0.00 2.03 0.53 0.10 41.72 Average: 1 59.60 0.00 2.30 0.48 0.10 37.52 Average: 2 59.12 0.00 2.33 0.99 0.10 37.46 Average: 3 57.86 0.00 2.33 0.61 0.10 39.10