---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23836 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 682 8911 4 6395 14964 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:5b:4b:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84040sec preferred_lft 84040sec inet6 fe80::f816:3eff:fe5b:4b02/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:2f:b5:71:7e: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-23836) 02/27/26 _x86_64_ (4 CPU) 13:12:18 LINUX RESTART (4 CPU) 13:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:05 24.74 0.02 22.00 2.71 0.54 2526.42 16594.95 13:40:07 25.14 0.00 22.46 2.68 0.00 2380.19 14898.27 13:50:01 27.71 0.14 12.27 15.30 7.15 8113.77 277992.28 Average: 25.85 0.05 18.94 6.85 2.54 4321.71 102306.67 13:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:05 8863012 12667920 3289240 20.09 146564 3762012 3369608 19.34 738344 6355416 39416 13:40:07 7708540 12305608 3647752 22.28 160252 4506860 3639156 20.89 995256 7222648 570792 13:50:01 9161744 15350024 597528 3.65 176108 6030344 1107344 6.36 1602444 5079296 364 Average: 8577765 13441184 2511507 15.34 160975 4766405 2705369 15.53 1112015 6219120 203524 13:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:05 lo 1468.32 1468.32 1394.03 1394.03 0.00 0.00 0.00 0.00 13:30:05 ens3 33.76 27.18 14.59 9.94 0.00 0.00 0.00 0.00 13:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:07 lo 1273.14 1273.14 1213.27 1213.27 0.00 0.00 0.00 0.00 13:40:07 ens3 42.11 31.28 40.67 10.44 0.00 0.00 0.00 0.00 13:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 250.34 250.34 6905.50 6905.50 0.00 0.00 0.00 0.00 13:50:01 ens3 67.14 79.18 108.27 1004.57 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 Average: lo 1001.00 1001.00 3152.72 3152.72 0.00 0.00 0.00 0.00 Average: ens3 47.57 45.71 54.24 338.41 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-23836) 02/27/26 _x86_64_ (4 CPU) 13:12:18 LINUX RESTART (4 CPU) 13:20:01 CPU %user %nice %system %iowait %steal %idle 13:30:05 all 56.93 0.00 2.20 4.21 0.11 36.56 13:30:05 0 56.22 0.00 2.31 8.17 0.10 33.20 13:30:05 1 55.12 0.00 2.01 1.41 0.11 41.34 13:30:05 2 57.49 0.00 2.15 3.64 0.11 36.61 13:30:05 3 58.87 0.00 2.32 3.60 0.11 35.10 13:40:07 all 46.44 0.00 2.07 9.82 0.09 41.58 13:40:07 0 44.41 0.00 1.98 2.97 0.09 50.55 13:40:07 1 48.66 0.00 2.19 8.14 0.09 40.92 13:40:07 2 46.48 0.00 1.98 20.43 0.09 31.02 13:40:07 3 46.21 0.00 2.14 7.77 0.09 43.79 13:50:01 all 27.92 0.00 1.06 4.35 0.07 66.60 13:50:01 0 34.63 0.00 1.13 8.55 0.08 55.62 13:50:01 1 21.67 0.00 0.88 3.97 0.07 73.42 13:50:01 2 25.94 0.00 1.52 3.13 0.08 69.33 13:50:01 3 29.44 0.00 0.71 1.76 0.07 68.02 Average: all 43.83 0.00 1.78 6.13 0.09 48.17 Average: 0 45.13 0.00 1.81 6.56 0.09 46.41 Average: 1 41.90 0.00 1.70 4.51 0.09 51.81 Average: 2 43.38 0.00 1.88 9.08 0.09 45.56 Average: 3 44.91 0.00 1.73 4.38 0.09 48.89