---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13778 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 676 8863 4 6449 14969 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:9a:8e:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.149/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84446sec preferred_lft 84446sec inet6 fe80::f816:3eff:fe9a:8ef5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:70:a7:8c:fe:09 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-13778) 02/18/26 _x86_64_ (4 CPU) 12:08:52 LINUX RESTART (4 CPU) 12:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:15 41.55 3.83 34.25 3.47 192.33 5576.19 17996.24 12:30:01 27.24 0.01 24.56 2.67 0.19 2294.12 27710.67 12:40:15 15.31 0.03 14.03 1.25 0.48 7784.04 10670.76 Average: 27.94 1.29 24.20 2.45 64.34 5260.11 18662.20 12:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:15 9787720 13200344 2757816 16.84 134528 3410860 2872296 16.49 666148 5547148 32120 12:30:01 8251316 12251804 3702600 22.61 153952 3938220 3678252 21.11 794384 6907532 215268 12:40:15 6474404 12680196 3266712 19.95 173492 6051376 3233228 18.56 1601776 7793944 247576 Average: 8171147 12710781 3242376 19.80 153991 4466819 3261259 18.72 1020769 6749541 164988 12:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:15 lo 1641.15 1641.15 1557.02 1557.02 0.00 0.00 0.00 0.00 12:20:15 ens3 105.72 80.75 1056.91 14.95 0.00 0.00 0.00 0.00 12:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 1307.67 1307.67 1245.09 1245.09 0.00 0.00 0.00 0.00 12:30:01 ens3 20.32 18.86 19.90 6.11 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:15 lo 553.12 553.12 6987.28 6987.28 0.00 0.00 0.00 0.00 12:40:15 ens3 29.00 21.91 98.54 6.68 0.00 0.00 0.00 0.00 12:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1161.54 1161.54 3307.06 3307.06 0.00 0.00 0.00 0.00 Average: ens3 51.75 40.53 392.38 9.25 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-13778) 02/18/26 _x86_64_ (4 CPU) 12:08:52 LINUX RESTART (4 CPU) 12:10:15 CPU %user %nice %system %iowait %steal %idle 12:20:15 all 67.06 0.00 2.74 0.38 0.14 29.68 12:20:15 0 67.11 0.00 2.37 0.15 0.16 30.21 12:20:15 1 66.11 0.00 2.82 0.50 0.13 30.43 12:20:15 2 66.62 0.00 2.57 0.46 0.13 30.23 12:20:15 3 68.39 0.00 3.21 0.39 0.13 27.88 12:30:01 all 65.99 0.00 2.43 0.30 0.13 31.14 12:30:01 0 67.57 0.00 2.71 0.51 0.13 29.09 12:30:01 1 64.26 0.00 2.47 0.29 0.13 32.85 12:30:01 2 67.05 0.00 2.51 0.20 0.15 30.09 12:30:01 3 65.09 0.00 2.04 0.20 0.13 32.54 12:40:15 all 43.27 0.00 1.73 1.38 0.13 53.49 12:40:15 0 45.98 0.00 1.65 2.18 0.13 50.07 12:40:15 1 38.60 0.00 1.69 1.03 0.12 58.56 12:40:15 2 53.81 0.00 2.22 1.27 0.14 42.56 12:40:15 3 34.76 0.00 1.35 1.06 0.11 62.72 Average: all 58.58 0.00 2.30 0.69 0.13 38.29 Average: 0 60.04 0.00 2.23 0.96 0.14 36.63 Average: 1 56.11 0.00 2.32 0.61 0.13 40.83 Average: 2 62.38 0.00 2.43 0.65 0.14 34.39 Average: 3 55.82 0.00 2.19 0.56 0.12 41.31