---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22534 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 667 8800 4 6521 14979 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:f3:32:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84292sec preferred_lft 84292sec inet6 fe80::f816:3eff:fef3:32dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:d2:bc:16:3f:13 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-22534) 02/26/26 _x86_64_ (4 CPU) 17:07:27 LINUX RESTART (4 CPU) 17:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:15 31.83 1.91 26.50 3.42 297.20 4410.61 18415.91 17:30:01 29.84 0.01 26.59 3.23 0.16 2263.88 21333.29 17:40:15 16.35 0.14 14.53 1.69 6.42 8260.62 3583.06 Average: 25.90 0.69 22.45 2.77 101.31 5025.35 14305.04 17:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:15 8635396 12213460 3744744 22.87 137692 3564128 3706056 21.27 741544 6603748 12204 17:30:01 8698692 12672436 3282132 20.05 158184 3910168 3204824 18.40 849040 6395292 45104 17:40:15 9051384 15367660 578960 3.54 180232 6152500 1103060 6.33 1664896 5138148 76 Average: 8795157 13417852 2535279 15.48 158703 4542265 2671313 15.33 1085160 6045729 19128 17:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:15 lo 1635.02 1635.02 1551.87 1551.87 0.00 0.00 0.00 0.00 17:20:15 ens3 94.63 66.24 516.40 16.29 0.00 0.00 0.00 0.00 17:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 lo 1283.25 1283.25 1221.97 1221.97 0.00 0.00 0.00 0.00 17:30:01 ens3 39.74 31.38 36.51 11.04 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:15 lo 438.42 438.42 6872.07 6872.07 0.00 0.00 0.00 0.00 17:40:15 ens3 63.30 65.75 111.30 566.65 0.00 0.00 0.00 0.00 17:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1112.28 1112.28 3259.56 3259.56 0.00 0.00 0.00 0.00 Average: ens3 66.07 54.73 221.99 202.35 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-22534) 02/26/26 _x86_64_ (4 CPU) 17:07:27 LINUX RESTART (4 CPU) 17:10:15 CPU %user %nice %system %iowait %steal %idle 17:20:15 all 69.01 0.00 2.65 0.68 0.12 27.53 17:20:15 0 70.50 0.00 2.40 0.61 0.13 26.36 17:20:15 1 68.00 0.00 2.86 0.47 0.12 28.54 17:20:15 2 69.73 0.00 3.03 1.17 0.13 25.94 17:20:15 3 67.81 0.00 2.31 0.48 0.12 29.28 17:30:01 all 60.45 0.00 2.49 1.77 0.12 35.17 17:30:01 0 61.12 0.00 2.37 0.64 0.12 35.76 17:30:01 1 59.56 0.00 2.68 3.18 0.12 34.46 17:30:01 2 61.10 0.00 2.52 2.20 0.12 34.07 17:30:01 3 60.03 0.00 2.39 1.08 0.12 36.38 17:40:15 all 36.88 0.00 1.34 1.16 0.08 60.55 17:40:15 0 31.53 0.00 1.23 2.55 0.08 64.61 17:40:15 1 43.36 0.00 1.84 0.24 0.08 54.47 17:40:15 2 40.46 0.00 1.05 0.10 0.08 58.32 17:40:15 3 32.16 0.00 1.25 1.74 0.08 64.77 Average: all 55.25 0.00 2.15 1.20 0.11 41.30 Average: 0 54.14 0.00 1.99 1.28 0.11 42.48 Average: 1 56.84 0.00 2.46 1.27 0.11 39.33 Average: 2 56.92 0.00 2.19 1.14 0.11 39.65 Average: 3 53.10 0.00 1.97 1.11 0.10 43.72