---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7774 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 696 9245 4 6047 14949 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:9f:72:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84616sec preferred_lft 84616sec inet6 fe80::f816:3eff:fe9f:72c7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:67:74:71:77:d5 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-7774) 02/05/26 _x86_64_ (4 CPU) 01:06:49 LINUX RESTART (4 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:13 21.73 0.64 17.86 3.24 600.91 2480.92 31486.74 01:30:07 24.73 0.16 21.00 3.56 5.09 1930.33 31780.07 Average: 23.21 0.40 19.41 3.40 307.32 2209.62 31631.28 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:13 9290660 12903332 3055308 18.66 128852 3610424 3314612 19.03 864324 5826336 308 01:30:07 8867572 12920472 3034440 18.53 150356 3996228 3185056 18.28 1012516 6079860 33972 Average: 9079116 12911902 3044874 18.60 139604 3803326 3249834 18.65 938420 5953098 17140 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:13 lo 30.66 30.66 7.32 7.32 0.00 0.00 0.00 0.00 01:20:13 ens3 33.96 24.71 196.69 5.33 0.00 0.00 0.00 0.00 01:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:07 lo 1441.35 1441.35 1350.74 1350.74 0.00 0.00 0.00 0.00 01:30:07 ens3 49.17 38.18 254.71 10.51 0.00 0.00 0.00 0.00 01:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 725.77 725.77 669.28 669.28 0.00 0.00 0.00 0.00 Average: ens3 41.46 31.35 225.28 7.88 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-7774) 02/05/26 _x86_64_ (4 CPU) 01:06:49 LINUX RESTART (4 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:13 all 30.50 0.00 1.23 0.17 0.09 68.01 01:20:13 0 29.53 0.00 1.33 0.31 0.08 68.74 01:20:13 1 31.26 0.00 1.18 0.14 0.09 67.32 01:20:13 2 31.03 0.00 1.20 0.15 0.09 67.53 01:20:13 3 30.17 0.00 1.20 0.09 0.09 68.44 01:30:07 all 39.68 0.00 1.95 0.07 0.09 58.21 01:30:07 0 39.79 0.00 1.87 0.04 0.09 58.21 01:30:07 1 39.23 0.00 1.96 0.12 0.09 58.59 01:30:07 2 39.75 0.00 2.04 0.07 0.09 58.06 01:30:07 3 39.96 0.00 1.96 0.03 0.09 57.97 Average: all 35.02 0.00 1.59 0.12 0.09 63.18 Average: 0 34.58 0.00 1.60 0.18 0.09 63.56 Average: 1 35.19 0.00 1.56 0.13 0.09 63.02 Average: 2 35.33 0.00 1.61 0.11 0.09 62.86 Average: 3 34.99 0.00 1.57 0.06 0.09 63.28