---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-109915 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 657 8804 4 6527 14989 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:d2:2c:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84543sec preferred_lft 84543sec inet6 fe80::f816:3eff:fed2:2cc2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:d5:ce:d8:0a:d6 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-109915) 03/06/26 _x86_64_ (4 CPU) 07:46:13 LINUX RESTART (4 CPU) 07:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:02 22.84 0.11 20.14 2.59 8.32 2260.87 3625.49 08:10:02 30.91 0.04 27.71 3.15 0.87 4619.00 15547.38 Average: 26.87 0.07 23.92 2.87 4.60 3439.35 9583.46 07:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:02 9007156 12691468 3265844 19.95 139440 3658032 3300996 18.95 715968 6250212 191916 08:10:02 7778128 12359908 3593220 21.95 162564 4492804 3481452 19.98 998220 7150472 4260 Average: 8392642 12525688 3429532 20.95 151002 4075418 3391224 19.47 857094 6700342 98088 07:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:02 lo 1380.03 1380.03 1308.44 1308.44 0.00 0.00 0.00 0.00 08:00:02 ens3 39.75 30.91 51.84 8.30 0.00 0.00 0.00 0.00 08:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:02 lo 1394.72 1394.72 1323.62 1323.62 0.00 0.00 0.00 0.00 08:10:02 ens3 31.05 25.31 45.42 7.59 0.00 0.00 0.00 0.00 08:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1387.37 1387.37 1316.03 1316.03 0.00 0.00 0.00 0.00 Average: ens3 35.40 28.11 48.63 7.94 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-109915) 03/06/26 _x86_64_ (4 CPU) 07:46:13 LINUX RESTART (4 CPU) 07:50:01 CPU %user %nice %system %iowait %steal %idle 08:00:02 all 68.58 0.00 2.34 0.04 0.10 28.94 08:00:02 0 70.46 0.00 2.23 0.05 0.09 27.18 08:00:02 1 69.48 0.00 2.52 0.03 0.10 27.88 08:00:02 2 67.96 0.00 2.52 0.05 0.10 29.38 08:00:02 3 66.43 0.00 2.08 0.05 0.10 31.35 08:10:02 all 59.72 0.00 2.36 0.09 0.09 37.74 08:10:02 0 58.83 0.00 2.33 0.14 0.09 38.61 08:10:02 1 58.44 0.00 2.31 0.04 0.09 39.13 08:10:02 2 63.71 0.00 2.27 0.03 0.09 33.90 08:10:02 3 57.90 0.00 2.55 0.13 0.09 39.34 Average: all 64.15 0.00 2.35 0.06 0.09 33.34 Average: 0 64.65 0.00 2.28 0.09 0.09 32.89 Average: 1 63.96 0.00 2.41 0.04 0.09 33.50 Average: 2 65.84 0.00 2.39 0.04 0.09 31.63 Average: 3 62.17 0.00 2.31 0.09 0.09 35.34