---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9438 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 659 9481 4 5848 14987 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:dd:c6:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84642sec preferred_lft 84642sec inet6 fe80::f816:3eff:fedd:c649/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:d6:40:b4:2f:af 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-9438) 02/11/26 _x86_64_ (4 CPU) 08:54:29 LINUX RESTART (4 CPU) 09:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:06 11.43 0.02 9.69 1.72 0.59 825.01 24651.58 09:20:13 38.93 0.19 34.66 4.08 5.80 7885.03 28322.17 Average: 25.19 0.10 22.18 2.90 3.20 4357.67 26488.25 09:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:06 9703864 13164272 2794540 17.07 125232 3466072 3021476 17.34 793776 5491980 224 09:20:13 7089328 12805972 3141420 19.19 165216 5577260 3452180 19.82 1681928 7099364 76460 Average: 8396596 12985122 2967980 18.13 145224 4521666 3236828 18.58 1237852 6295672 38342 09:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:06 lo 50.84 50.84 12.36 12.36 0.00 0.00 0.00 0.00 09:10:06 ens3 6.98 6.70 11.00 2.16 0.00 0.00 0.00 0.00 09:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:13 lo 2259.70 2259.70 2164.49 2164.49 0.00 0.00 0.00 0.00 09:20:13 ens3 50.40 37.58 454.29 8.20 0.00 0.00 0.00 0.00 09:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1156.10 1156.10 1089.23 1089.23 0.00 0.00 0.00 0.00 Average: ens3 28.70 22.15 232.81 5.18 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-9438) 02/11/26 _x86_64_ (4 CPU) 08:54:29 LINUX RESTART (4 CPU) 09:00:01 CPU %user %nice %system %iowait %steal %idle 09:10:06 all 22.68 0.00 0.88 0.09 0.09 76.26 09:10:06 0 23.00 0.00 0.96 0.19 0.09 75.76 09:10:06 1 22.37 0.00 0.92 0.07 0.09 76.55 09:10:06 2 22.28 0.00 0.81 0.07 0.09 76.75 09:10:06 3 23.07 0.00 0.84 0.03 0.09 75.98 09:20:13 all 50.89 0.00 2.61 0.24 0.10 46.16 09:20:13 0 51.58 0.00 2.91 0.31 0.10 45.09 09:20:13 1 51.35 0.00 2.91 0.30 0.11 45.33 09:20:13 2 50.06 0.00 2.09 0.11 0.10 47.63 09:20:13 3 50.55 0.00 2.54 0.22 0.10 46.60 Average: all 36.78 0.00 1.75 0.16 0.09 61.21 Average: 0 37.29 0.00 1.94 0.25 0.09 60.42 Average: 1 36.85 0.00 1.91 0.19 0.10 60.95 Average: 2 36.18 0.00 1.45 0.09 0.10 62.18 Average: 3 36.80 0.00 1.69 0.12 0.09 61.29