---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7632 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 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 644 8849 4 6495 15002 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:b6:b0:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84656sec preferred_lft 84656sec inet6 fe80::f816:3eff:feb6:b067/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:97:6a:16:f2:ba 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-7632) 02/04/26 _x86_64_ (4 CPU) 08:18:37 LINUX RESTART (4 CPU) 08:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:00 38.65 4.16 31.12 3.37 590.72 5259.31 23280.32 08:40:00 32.93 0.01 29.45 3.47 0.13 2610.65 37052.12 Average: 35.79 2.08 30.28 3.42 295.43 3934.98 30166.22 08:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:00 8985796 12517620 3441728 21.02 131596 3533228 3508452 20.14 795988 6219852 13380 08:40:00 8681196 12667168 3288256 20.08 155044 3929268 3447480 19.79 918040 6362232 42416 Average: 8833496 12592394 3364992 20.55 143320 3731248 3477966 19.96 857014 6291042 27898 08:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:00 lo 1379.35 1379.35 1307.75 1307.75 0.00 0.00 0.00 0.00 08:30:00 ens3 107.58 82.68 957.23 15.32 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:00 lo 1391.07 1391.07 1324.25 1324.25 0.00 0.00 0.00 0.00 08:40:00 ens3 24.60 22.06 24.97 6.94 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1385.21 1385.21 1316.00 1316.00 0.00 0.00 0.00 0.00 Average: ens3 66.09 52.37 491.10 11.13 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-7632) 02/04/26 _x86_64_ (4 CPU) 08:18:37 LINUX RESTART (4 CPU) 08:20:00 CPU %user %nice %system %iowait %steal %idle 08:30:00 all 67.68 0.00 2.58 0.12 0.08 29.53 08:30:00 0 68.92 0.00 2.70 0.09 0.08 28.21 08:30:00 1 68.18 0.00 2.72 0.08 0.09 28.93 08:30:00 2 65.96 0.00 2.55 0.23 0.09 31.17 08:30:00 3 67.64 0.00 2.37 0.09 0.08 29.82 08:40:00 all 63.15 0.00 2.54 0.08 0.08 34.14 08:40:00 0 62.73 0.00 2.34 0.09 0.09 34.76 08:40:00 1 63.22 0.00 2.41 0.07 0.08 34.21 08:40:00 2 65.33 0.00 2.71 0.06 0.08 31.81 08:40:00 3 61.32 0.00 2.71 0.10 0.09 35.78 Average: all 65.41 0.00 2.56 0.10 0.08 31.84 Average: 0 65.82 0.00 2.52 0.09 0.08 31.48 Average: 1 65.70 0.00 2.57 0.07 0.09 31.57 Average: 2 65.65 0.00 2.63 0.15 0.08 31.49 Average: 3 64.48 0.00 2.54 0.10 0.08 32.80