---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10023 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 739 9461 4 5788 14907 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:b3:f1:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84565sec preferred_lft 84565sec inet6 fe80::f816:3eff:feb3:f1b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:18:2c:2b:8b:d2 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-10023) 02/13/26 _x86_64_ (4 CPU) 06:26:28 LINUX RESTART (4 CPU) 06:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 31.34 3.24 25.74 2.36 771.95 5591.47 17125.59 06:50:15 32.91 0.07 29.34 3.50 1.91 5847.21 14345.75 Average: 32.14 1.62 27.58 2.94 377.84 5722.36 15702.86 06:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 8911116 13005964 2948900 18.01 160768 4015068 3093672 17.76 934244 6098684 178808 06:50:15 7159384 12474028 3474672 21.22 192624 5136592 3512132 20.16 1213836 7502080 28072 Average: 8035250 12739996 3211786 19.62 176696 4575830 3302902 18.96 1074040 6800382 103440 06:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 847.24 847.24 806.90 806.90 0.00 0.00 0.00 0.00 06:40:01 ens3 107.10 79.90 964.09 17.89 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 06:50:15 lo 1206.74 1206.74 1148.89 1148.89 0.00 0.00 0.00 0.00 06:50:15 ens3 60.95 43.92 212.96 13.47 0.00 0.00 0.00 0.00 06:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1031.24 1031.24 981.93 981.93 0.00 0.00 0.00 0.00 Average: ens3 83.48 61.49 579.66 15.63 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-10023) 02/13/26 _x86_64_ (4 CPU) 06:26:28 LINUX RESTART (4 CPU) 06:30:14 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 65.88 0.00 2.31 0.10 0.09 31.63 06:40:01 0 67.68 0.00 2.10 0.04 0.09 30.10 06:40:01 1 67.12 0.00 2.41 0.18 0.09 30.21 06:40:01 2 64.31 0.00 2.43 0.08 0.09 33.09 06:40:01 3 64.41 0.00 2.30 0.09 0.09 33.12 06:50:15 all 57.83 0.00 2.42 0.38 0.09 39.28 06:50:15 0 57.55 0.00 2.31 0.32 0.08 39.74 06:50:15 1 57.60 0.00 3.07 0.66 0.09 38.58 06:50:15 2 57.60 0.00 2.14 0.46 0.08 39.72 06:50:15 3 58.55 0.00 2.16 0.11 0.09 39.09 Average: all 61.76 0.00 2.36 0.24 0.09 35.54 Average: 0 62.50 0.00 2.20 0.18 0.09 35.03 Average: 1 62.25 0.00 2.75 0.42 0.09 34.49 Average: 2 60.88 0.00 2.28 0.27 0.09 36.48 Average: 3 61.42 0.00 2.23 0.10 0.09 36.17