---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7662 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 689 9262 4 6036 14956 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:36:4c:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84730sec preferred_lft 84730sec inet6 fe80::f816:3eff:fe36:4ceb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:c1:4c:29:76:1d 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-7662) 02/04/26 _x86_64_ (4 CPU) 13:35:58 LINUX RESTART (4 CPU) 13:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:01 20.47 0.59 16.68 3.20 609.39 1834.17 58945.41 14:00:00 26.01 0.18 22.28 3.56 5.12 2403.02 29870.69 Average: 23.24 0.38 19.47 3.38 307.73 2118.15 44431.07 13:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:01 9345212 12995508 2962044 18.09 127940 3649460 3156884 18.12 845872 5783976 768 14:00:00 7494920 12971068 2978960 18.19 151172 5381724 2955984 16.97 1571604 6846268 1268216 Average: 8420066 12983288 2970502 18.14 139556 4515592 3056434 17.54 1208738 6315122 634492 13:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:01 lo 39.65 39.65 9.56 9.56 0.00 0.00 0.00 0.00 13:50:01 ens3 27.38 20.45 280.14 3.16 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:00 lo 1649.33 1649.33 1553.39 1553.39 0.00 0.00 0.00 0.00 14:00:00 ens3 42.86 33.46 337.10 6.94 0.00 0.00 0.00 0.00 14:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 843.21 843.21 780.26 780.26 0.00 0.00 0.00 0.00 Average: ens3 35.11 26.95 308.58 5.05 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-7662) 02/04/26 _x86_64_ (4 CPU) 13:35:58 LINUX RESTART (4 CPU) 13:40:00 CPU %user %nice %system %iowait %steal %idle 13:50:01 all 23.92 0.00 1.09 0.13 0.08 74.77 13:50:01 0 23.86 0.00 1.16 0.27 0.08 74.63 13:50:01 1 23.87 0.00 1.17 0.10 0.08 74.77 13:50:01 2 23.59 0.00 0.94 0.09 0.09 75.30 13:50:01 3 24.36 0.00 1.08 0.08 0.08 74.40 14:00:00 all 42.85 0.00 2.15 0.07 0.09 54.85 14:00:00 0 44.58 0.00 2.14 0.06 0.09 53.12 14:00:00 1 42.12 0.00 2.15 0.03 0.09 55.60 14:00:00 2 43.08 0.00 2.45 0.07 0.09 54.31 14:00:00 3 41.61 0.00 1.84 0.10 0.09 56.35 Average: all 33.36 0.00 1.62 0.10 0.09 64.84 Average: 0 34.19 0.00 1.65 0.17 0.09 63.90 Average: 1 32.97 0.00 1.66 0.07 0.09 65.22 Average: 2 33.30 0.00 1.69 0.08 0.09 64.84 Average: 3 32.97 0.00 1.46 0.09 0.08 65.40