---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-32059 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 18G 60G 24% / 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 725 12282 4 2981 14920 Swap: 1023 22 1001 ---> 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:d4:f7:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79607sec preferred_lft 79607sec inet6 fe80::f816:3eff:fed4:f7de/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:35:20:76:94:fa 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 inet6 fe80::8035:20ff:fe76:94fa/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32059) 07/01/26 _x86_64_ (4 CPU) 09:06:24 LINUX RESTART (4 CPU) 09:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:01 96.44 4.09 88.15 4.21 548.22 32194.96 18384.40 09:30:01 49.36 21.08 26.90 1.37 1028.65 1747.97 1112.23 09:40:01 19.43 6.00 12.61 0.82 115.12 465.18 1456.54 09:50:01 7.49 0.07 7.14 0.27 3.39 468.09 335.19 10:00:01 20.13 0.24 19.09 0.80 11.85 595.09 271.77 10:10:01 7.32 0.03 7.00 0.29 1.39 221.60 249.44 10:20:01 5.34 0.05 5.11 0.19 1.57 152.68 55.00 10:30:01 20.34 0.04 4.76 15.54 2.19 148.22 207895.07 10:40:01 5.56 0.00 5.36 0.20 0.32 165.51 49.29 10:50:01 12.08 0.44 11.10 0.55 10.12 691.39 219.89 Average: 24.35 3.20 18.73 2.42 172.30 3686.64 23009.25 09:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:01 2149220 5865176 10063296 61.46 265068 3395744 11244740 64.54 2261380 11338180 2080 09:30:01 4135044 5778080 10161936 62.06 269672 1518948 11150224 64.00 1066904 10748744 3008 09:40:01 7475620 9164356 6779004 41.40 271688 1562292 8302800 47.66 1111544 7389132 6536 09:50:01 10348752 12132700 3812928 23.29 275380 1648644 4581704 26.30 1141632 4491636 52 10:00:01 11089492 12966356 2980032 18.20 279200 1737624 3785540 21.73 1170576 3696152 588 10:10:01 9416864 11325204 4619904 28.22 279920 1768380 5337380 30.64 1172608 5387212 160 10:20:01 9415064 11344540 4600552 28.10 280356 1789080 5276108 30.28 1174092 5375092 332 10:30:01 7960228 9915676 6028752 36.82 280980 1814440 6765320 38.83 1181924 6831116 400 10:40:01 7766776 9745488 6198888 37.86 281492 1837204 6937092 39.82 1185500 7021608 324 10:50:01 9152652 11290036 4655240 28.43 285732 1986244 5288564 30.36 1204336 5607132 84 Average: 7890971 9952761 5990053 36.58 276949 1905860 6866947 39.42 1267050 6788600 1356 09:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:01 lo 11.74 11.74 11.58 11.58 0.00 0.00 0.00 0.00 09:20:01 ens3 80.74 60.83 1154.50 6.24 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 39.55 39.55 21.06 21.06 0.00 0.00 0.00 0.00 09:30:01 ens3 1.79 1.55 0.40 0.34 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 33.24 33.24 13.70 13.70 0.00 0.00 0.00 0.00 09:40:01 ens3 7.02 4.91 3.92 3.74 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 10.81 10.81 5.90 5.90 0.00 0.00 0.00 0.00 09:50:01 ens3 0.57 0.44 0.17 0.13 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 11.13 11.13 5.74 5.74 0.00 0.00 0.00 0.00 10:00:01 ens3 1.04 0.73 0.26 0.19 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 19.75 19.75 9.98 9.98 0.00 0.00 0.00 0.00 10:10:01 ens3 1.36 0.77 0.42 0.30 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 28.42 28.42 10.05 10.05 0.00 0.00 0.00 0.00 10:20:01 ens3 0.76 0.44 0.18 0.12 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 14.95 14.95 7.72 7.72 0.00 0.00 0.00 0.00 10:30:01 ens3 0.62 0.46 0.15 0.11 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 16.32 16.32 10.11 10.11 0.00 0.00 0.00 0.00 10:40:01 ens3 0.66 0.50 0.13 0.10 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 18.85 18.85 10.20 10.20 0.00 0.00 0.00 0.00 10:50:01 ens3 0.97 0.83 0.25 0.20 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.48 20.48 10.60 10.60 0.00 0.00 0.00 0.00 Average: ens3 9.56 7.15 116.10 1.15 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32059) 07/01/26 _x86_64_ (4 CPU) 09:06:24 LINUX RESTART (4 CPU) 09:10:00 CPU %user %nice %system %iowait %steal %idle 09:20:01 all 56.12 0.00 2.52 0.77 0.12 40.47 09:20:01 0 57.21 0.00 2.64 0.73 0.12 39.31 09:20:01 1 56.80 0.00 2.69 0.74 0.12 39.66 09:20:01 2 55.45 0.00 2.48 0.71 0.12 41.24 09:20:01 3 55.03 0.00 2.28 0.90 0.11 41.67 09:30:01 all 47.65 0.00 1.80 0.18 0.12 50.24 09:30:01 0 47.75 0.00 1.69 0.19 0.12 50.26 09:30:01 1 47.27 0.00 1.90 0.16 0.12 50.55 09:30:01 2 47.16 0.00 1.87 0.13 0.13 50.72 09:30:01 3 48.43 0.00 1.76 0.27 0.12 49.43 09:40:01 all 32.07 0.00 1.35 0.07 0.10 66.40 09:40:01 0 32.11 0.00 1.27 0.06 0.10 66.46 09:40:01 1 31.80 0.00 1.44 0.09 0.11 66.56 09:40:01 2 31.78 0.00 1.53 0.07 0.10 66.52 09:40:01 3 32.60 0.00 1.15 0.07 0.10 66.08 09:50:01 all 9.05 0.00 0.51 0.03 0.07 90.34 09:50:01 0 9.64 0.00 0.53 0.03 0.07 89.74 09:50:01 1 9.35 0.00 0.53 0.05 0.08 89.99 09:50:01 2 9.00 0.00 0.55 0.02 0.07 90.35 09:50:01 3 8.21 0.00 0.43 0.01 0.07 91.28 10:00:01 all 28.51 0.00 0.95 0.05 0.09 70.40 10:00:01 0 28.85 0.00 0.97 0.09 0.09 70.00 10:00:01 1 28.81 0.00 0.91 0.03 0.09 70.17 10:00:01 2 28.55 0.00 1.01 0.03 0.09 70.32 10:00:01 3 27.85 0.00 0.91 0.05 0.09 71.09 10:10:01 all 14.77 0.00 0.61 0.03 0.08 84.52 10:10:01 0 14.56 0.00 0.57 0.03 0.08 84.77 10:10:01 1 14.80 0.00 0.61 0.02 0.08 84.49 10:10:01 2 14.79 0.00 0.65 0.04 0.08 84.45 10:10:01 3 14.92 0.00 0.60 0.03 0.08 84.38 10:20:01 all 8.88 0.00 0.47 0.02 0.07 90.57 10:20:01 0 8.91 0.00 0.43 0.01 0.07 90.59 10:20:01 1 9.14 0.00 0.50 0.05 0.07 90.24 10:20:01 2 8.42 0.00 0.50 0.01 0.07 91.01 10:20:01 3 9.05 0.00 0.44 0.01 0.07 90.44 10:30:01 all 9.82 0.00 0.51 0.02 0.07 89.57 10:30:01 0 9.60 0.00 0.46 0.05 0.07 89.82 10:30:01 1 9.63 0.00 0.56 0.02 0.07 89.72 10:30:01 2 10.25 0.00 0.55 0.01 0.08 89.12 10:30:01 3 9.80 0.00 0.48 0.02 0.07 89.64 10:40:01 all 10.02 0.00 0.54 0.03 0.08 89.33 10:40:01 0 9.60 0.00 0.55 0.02 0.07 89.75 10:40:01 1 10.31 0.00 0.53 0.03 0.08 89.05 10:40:01 2 10.21 0.00 0.53 0.02 0.08 89.17 10:40:01 3 9.97 0.00 0.55 0.03 0.07 89.37 10:50:01 all 20.03 0.00 0.76 0.04 0.08 79.08 10:50:01 0 20.52 0.00 0.76 0.03 0.08 78.61 10:50:01 1 19.74 0.00 0.82 0.04 0.08 79.32 10:50:01 2 19.88 0.00 0.69 0.08 0.08 79.27 10:50:01 3 19.98 0.00 0.79 0.02 0.08 79.14 Average: all 23.68 0.00 1.00 0.12 0.09 75.11 Average: 0 23.86 0.00 0.99 0.12 0.09 74.94 Average: 1 23.74 0.00 1.05 0.12 0.09 75.00 Average: 2 23.53 0.00 1.03 0.11 0.09 75.23 Average: 3 23.57 0.00 0.94 0.14 0.09 75.27